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Top 50 Senior Linux Systems Administrator Skills

Below we've compiled a list of the most important skills for a Senior Linux Systems Administrator. We ranked the top skills based on the percentage of Senior Linux Systems Administrator resumes they appeared on. For example, 7.2% of Senior Linux Systems Administrator resumes contained Veritas as a skill. Let's find out what skills a Senior Linux Systems Administrator actually needs in order to be successful in the workplace.

These are the most important skills for a Senior Linux Systems Administrator:

1. Veritas

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high Demand
Here's how Veritas is used in Senior Linux Systems Administrator jobs:
  • Worked with VERITAS Cluster, MC/Service Guard, Oracle RAC clusters using UCS and Fabric connections.
  • Involved in upgrading VERITAS volume manager from 4.0 to 5.0 in the cluster environment.
  • Installed and configured VERITAS Net Backup and TSM on Red Hat Enterprise Linux.
  • Upgraded over 35 servers with VERITAS Volume Manager from 3.x to 4.0..
  • Migrated VERITAS Disk Groups using Deport and Import Techniques.
  • Implemented RAID 0-5 solutions with VERITAS Volume Manager.
  • Configure and administrate database cluster using VERITAS cluster.
  • Installed VERITAS Volume Manager and configured RAID 0, RAID 1, RAID 0+1 and RAID 5.
  • Installed and upgraded Veritas Storage Foundation software from 3.5, 4.1, and 5.0 to 6.0 and applied 6.0.5 patching.
  • Administered high-availability clusters, including Veritas (VCS, VxVM), and Microsoft Cluster Server.
  • Implemented HA using Redhat Cluster and VERITAS Cluster Server 5.0 for WebLogic agent.
  • Used SMF system utilities Installed and configured VERITAS volume manager.
  • Worked on setting up Veritas clustering.
  • Worked on Disaster recovery of Solaris servers using Sun DiskSuite and Veritas Storage foundation.
  • Installed and configured highly available systems utilizing Veritas Clustering and Veritas Volume Manager technologies.
  • Worked on Veritas Netbackup 6.5 which includes installation, creating policies, configuration and upgrading servers.
  • Perform routine backup and disaster recovery of 30TB data via Veritas NetBackup and Overland tape Library.
  • Experience in configuring Red Hat Cluster Suite, Veritas Cluster Serverand HP Service Guard.
  • Install, configured and maintained Veritas Cluster Server and Redhat Cluster Server.
  • Work on projects for Veritas clusters and Hacmp clusters upgrade.

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1 Veritas Jobs

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2. Web Application

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high Demand
Here's how Web Application is used in Senior Linux Systems Administrator jobs:
  • Experience working on web applications like Apache, HTTP headers Load balancing, DNS, DHCP.
  • Support developers for Java based Web Applications.
  • Participated in future planning and release schedules Developed/Deployed customer facing LAMP web applications complete with MySQL back-end usable for metrics.
  • Used Puppet to manage Web Applications, Config Files, Data Base, Commands, Users Mount Points, Packages.
  • Provision server build out within Hyper-V & OVM Responsible for handling HP Site Scope for Managing Web applications.
  • Gained a great knowledge in implementation, management, and configuration of large scale/high traffic web applications.

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3. Web Servers

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high Demand
Here's how Web Servers is used in Senior Linux Systems Administrator jobs:
  • Monitored and service issue resolution of LAMP stacks web servers, both shared and VPS.
  • Created scripts in Python to automate log rotation of multiple logs from web servers.
  • Configured and set up Apache Web servers and Samba server.

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1 Web Servers Jobs

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4. File System

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high Demand
Here's how File System is used in Senior Linux Systems Administrator jobs:
  • Created/maintained File System in Linux environment.
  • Configured NIC Bonding on the servers, created File systems, extended the Logical Volume space as per the business requirements.
  • Configured and maintained Samba Server, NFS Server, NIS Server and clients, DNS clients and AutoFs File systems.
  • Post build configurations, checks, updating, security checks, file systems, permissions and packages.
  • Engineered, deployed and managed Red Hat Clusters with GFS2 file systems for use with MarkLogic.
  • Managed File Systems, Server Performance, User Creation and File Access permissions.
  • Check system logs for monitoring, trace files, and file System maintenance.
  • Monitor and ensure adequate security for hosts and tightened file system access control.
  • Created User, Groups and File Systems as per database requirements.
  • Administered the File Systems and troubleshooting NFS issues.
  • Contributed technical skills to provide solutions for different categories of issues like booting problems/user login problems/performance issues/network file system problems.
  • Experience in VERITAS Volume manager (VxVM 4.1, 5.0) Creating new file systems, mounting and unmounting file systems.
  • Configure and manage disks partitioning and managed file systems (LVM, fdisk, parted, etc).
  • Installed and configured Efficiently managed Disk and File system through Veritas Volume Manager.
  • File system Tuning and growing using Veritas File System (VxFS).
  • Created file system using newfs and mounted it.
  • Configured multipath and performed manual failover of file systems across servers.
  • Worked on group/user administration, startup and shutdown scripts, crontabs, file system maintenance and backup scripting and automation.
  • Configured and maintained Red Hat LINUX and Solaris Jumpstart servers in conjunction with daily file system maintenance.
  • Worked on Veritas volume manager , Veritas clustering and Veritas file system.

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4 File System Jobs

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5. Solaris

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high Demand
Here's how Solaris is used in Senior Linux Systems Administrator jobs:
  • Maintain and Deploy Sun Solaris systems to provide optimum functionality for daily operations.
  • Performed data management using native Solaris utilities for archiving and compression.
  • Provided support and monitored the performance of UNIX/Linux/Solaris Environment.
  • Perform System Tuning for all Oracle and Engineering Servers running Solaris 8, 9, and 10.
  • Applied recommended OS Patches, Kernel upgrades using Solaris Live Upgrade on Production and development servers.
  • Involved in administration of Linux and UNIX Servers Sun Solaris with SUN Cluster in 24/7 environment.
  • Replaced physical Solaris servers, creating a more secure, supportable platform for future developments.
  • Worked on Firewall implementation & Load balance between various Linux and Solaris servers.
  • Installed, managed Verities Volume Manager 5 (VxVM) on Solaris 10.
  • Configured TCP/IP for Solaris 9 and 10 systems.
  • Configured Solaris IPMP and Linux Bonding.
  • Supported Oracle RAC (Real Application Cluster ) Servers running on Linux with GFS and Solaris with SFRAC.
  • Installed, managed, supported and upgraded licenses for Solaris, HP, and Wintel servers.
  • Create automated Jumpstart environment for Solaris standard builds for WEB, APP and DB servers.
  • Created local and global zones on Solaris 10 environment using sparce/whole root, native/branded zones.
  • Created Solaris 10 containers and LDOMs.
  • Experience with Sun Sparc servers, Solaris containers/zones, LDOMs, Sun e25K, and Intel based servers.
  • Installed and configured Red Hat Enterprise Linux, Solaris operating system using kickstart, Jumpstart.
  • Administered Zones on Solaris 10, Solaris zones (containers) using utilities Zonecfg, Zoneadm etc.
  • Installed Solaris 10 using jumpstart, flar image on both physcial servers and LDOMs.

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5 Solaris Jobs

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6. Red Hat

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high Demand
Here's how Red Hat is used in Senior Linux Systems Administrator jobs:
  • Worked with our Cisco UCS team members in junction with Red Hat Inc and Cisco to solve the problem.
  • Implemented in Red Hat Cluster Suite and Global File system, Red Hat Network Satellite Server.
  • Performed Disaster Recovery in RHEL servers which consists of LVM based FS and Red Hat Clustering.
  • Deployed and configured virtual Red Hat server infrastructure for Centers for Medicare and Medicaid Services projects.
  • Managed and operated Red Hat based Servers across multiple data centers.
  • Lead administrator for the state projects based on Red Hat Linux.
  • Power path upgrade on Red hat Linux servers.
  • Configured and maintain Red Hat Satellite Server.
  • Installed Red Hat Enterprise Linux 5/6 and Solaris 10 Operating System on servers and Blades over the network.
  • Involved in applying Patches, Installing patch bundles on Solaris, AIX and Red hat Linux.
  • Support Oracle Solaris, Red Hat Linux, and Windows servers in a data center environment.
  • Involved in installing Puppet client on Red hat & Solaris servers for Automation purpose.
  • Performed various test with QA team related to ext4 filesystems in Red hat Linux.
  • Configured root disk for its clustered file system on RED HAT LINUX5.X.
  • Migrated environment from Virtual Iron to Red Hat Virtualization platform.
  • Provide support for Solaris and Red Hat OS installs.
  • Kick start the Red Hat Linux RHEL 6 on HP Power edge servers and Cisco UCS servers.
  • Performed automated installations of Operating System using kick start for Red Hat Enterprise Linux 5/6 and Jumpstart for Solaris 9/10 Linux.
  • Lead Linux Administrator Installed, configured and patched Red Hat Linux and Solaris servers as needed.
  • Configured Solaris, HP-UX and Red hat Linux Servers using jumpstart, Ignite and kickstart.

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26 Red Hat Jobs

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7. Linux

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high Demand
Here's how Linux is used in Senior Linux Systems Administrator jobs:
  • Designed policies and standards regarding implementation, security and configuration of all Linux servers.
  • Deployed Puppet for configuration management to existing Linux infrastructure.
  • Designed and implemented a central software management solution to manage both desktops and servers running the Linux operating system.
  • Integrated the Linux servers into Active directory to provide users with single sign on and single password management capability.
  • Maintained system patches and updates for all Linux servers using custom built packages and internally maintained Yum server.
  • Installed and configured Disk and file system management using Logical Volume Manager (LVM) for LINUX systems.
  • Converted the customer service center from Windows desktops to a centrally managed Linux based thin client configuration.
  • Created and configured DNS, Setup NFS and NIS in SUN and Linux Environment based Server.
  • Migrated Linux/Unix Servers from one data center to other data center with minimal downtime.
  • Configure, deploy, and troubleshoot: RedHat and CentOS Linux systems.
  • Implemented network based authentication using LDAP and Kerberos by integrating Linux authentication with Windows based Active Directory Servers.
  • Monitor system backups and restore files as needed Perform fault isolation for all Sun/Linux systems to prevent re-occurrences of problematic processes.
  • Configure and maintain backup environment for Git all client and internal Linux servers.
  • Installed Patches/Packages on and Solaris Servers and RPM packages on Linux Servers.
  • Manage over 100 Linux servers SCRIPTING utilizing LEMP stack.
  • Configure all Solaris/Linux servers to authenticate to Windows Active Directory using Kerberos and LDAP.
  • Maintained existing VMWare instances Configure and troubleshoot: RedHat and CentOS Linux systems and MySQL servers.
  • Configured VMware and installed several Linux and Windows Operating Systems according to the client needs.
  • Worked on load balancers for both windows an Linux environments.
  • Installed and configured VMware ESXi server created VMs and deployed Linux and Windows OS on VMware based VMs.

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51 Linux Jobs

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8. Vmware

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high Demand
Here's how Vmware is used in Senior Linux Systems Administrator jobs:
  • Implemented VMWare server environment for development and testing systems.
  • Maintained customer's virtual Linux server environments to include virtual VMware ESX as well as Virtual Center.
  • Red Hat 6.1 System Administration Provisioning VMware and NetApp environment for virtual instances.
  • Deployed VMware servers on demand and maintained and tweaked several virtual servers.
  • Performed Vmware ESX4 installations/patching and Dell M1000e blade installations and firmware patching.
  • Managed both physical and virtual servers (VMware ESX).
  • Experience in configuring VMware Cluster with HA and DRS enabled.
  • Assisted in P2V conversions of Windows/Linux servers using VMware converters.
  • Used VMware for testing various applications on different operating systems.
  • Worked on Installation and configuration of VMWare ESX servers.
  • Configure Linux guests in a VMware ESX environment.
  • Experience with VMWare 3.5 and 4.0.
  • Worked on installing and configuring VMware/ESX Servers for virtualizations.
  • Understand server virtualization technology such as VMware.
  • Installed and monitored VMware Virtual environments with ESX 3.x, ESX i servers & Virtual Center 2.X.
  • Experienced on configuring and installing VMware (Virtualization).
  • Monitored daily operation of VMware servers (e.g.
  • Implemented Virtualization using VMware, Hyper-V.
  • Managed and Configured VMware/ESXi Linux systems including virtual networking, switching, and storage.
  • Supported VMware Storage vMotion function and Linux iSCSI for cluster function of particular applications.

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2 Vmware Jobs

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9. Unix

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high Demand
Here's how Unix is used in Senior Linux Systems Administrator jobs:
  • Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.
  • Support Red Hat Linux 6, HP-Unix, in a VM environment, there are a few standalone system.
  • Provided Unix support for load testing at Sun Micro's ETC running on a SunFire 15k and SunFire 6900.
  • Worked as a UNIX system administrator in Web Hosting Group which is 24*7 production support to stock market.
  • Installed, upgraded, deployed, troubleshot, and maintained UNIX and Linux workstations/servers and VM's.
  • Provide documentation and assistance to other administrators within and across Unix groups on methods and procedures.
  • Provided Unix experience for installing the Agile application on customer Unix systems and internal Unix systems.
  • Provide 24 X 7 on-call UNIX and Linux support on a rotating schedule basis.
  • Supported Samba and CIFS configurations for the data sharing between Windows and Unix/Linux systems.
  • Authored and presented an Intro to Unix class for windows oriented QA engineers.
  • Assist with overall technology strategy and operational standards for the Unix domains.
  • Installed, moved, updated and configured UNIX and Windows license servers.
  • Worked on server consolidation and migration from UNIX to LINUX.
  • Conducted day to day UNIX/Linux system maintenance and problem solving.
  • Analyze and resolve performance problems on various UNIX systems.
  • Implemented Server based UNIX security policies.
  • Imported and managed multiple corporate applications into Subversion (SVN) Developed and maintained UNIX scripts for build and release tasks.
  • Involved in standardizing Splunk forwarder deployment, configuration and maintenance across UNIX and Windows platforms.
  • Formatted data into required format using UNIX Shell Scripts, SED and Awk.
  • Performed LUN provisioning/zoning with Unisphere for VMAX/VNX/VPLEX Maintained complete UNIX inventory and on call scheduling.

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9 Unix Jobs

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10. SAN

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high Demand
Here's how SAN is used in Senior Linux Systems Administrator jobs:
  • Configure, install, repair, and troubleshoot issues related to hardware performance on servers, SAN environment, or network.
  • Allocated SAN Storage to Application Cluster (Oracle RAC) and configured the same.
  • Set up Sun servers for SAN-through-FCP boot as against booting from internal hard disks.
  • Worked with San Engineers to add storage to servers without requiring any downtime.
  • Provide support for storage arrays, SAN, and Fiber switches.
  • Work remotely in San Antonio as an L2 Linux Administrator.
  • Performed SAN storage, Linux, UNIX, disk management.
  • Managed Perforce server between HQ and San Jose office.
  • Installed and configured HBA card in SAN storage.
  • Worked on double disk failure and SAN migrations.
  • Involved in up Network/SAN based migration activities.
  • Set up SAN storage using EMC and NetApp sans.
  • Experience with HP SAN products.
  • Collaborated with Storage team & manage SAN storage presented to Linux servers (LVM, multipath, device-mapper).
  • Installed, configured, and maintained services such as Apache, MySQL, and Exim across thousands of servers.
  • Worked on SAN, NAS and DAS storages with HBA card configuration and different level of RAID configuration.
  • Worked closely with database admins in managing space needs in SAN environment with Veritas.
  • Configured and implemented host bus adapters (HBAs) for SAN storage devices.
  • Worked with MPxIO, EMC PowerPath configuration for SAN redundancy.
  • Assist with SAN storage, using IBM XIV GEN3, work closely with creating LUNs, Pools, Snap shots.

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1 SAN Jobs

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11. Rhel

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high Demand
Here's how Rhel is used in Senior Linux Systems Administrator jobs:
  • Managed Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on Linux (RHEL) systems.
  • Create, extend, reduce and administration of Logical Volume Manager (LVM) in RHEL environment.
  • Configured link aggregation using Bonding in RHEL6 and Teaming in RHEL7 for fail over and redundancy.
  • Worked on Administration, maintenance and support of Red Hat Enterprise Linux (RHEL) servers.
  • Configured the GPFS clusters to keep the high availability applications running on RHEL 5.5 servers.
  • Installed, configured and managed RHEL and CentOS 4/5 based Linux servers.
  • Worked on RHEL5.6 - 5.8 patching activities.
  • Installed and configured of SAMBA, squid, FTP Server, SMTP Server, RAID and LVM on RHEL.
  • Install, manage, and support Linux (RHEL, CentOS) servers.
  • Installed RHEL 5 and RHEL 6 and updated the versions within the release.
  • Upgraded RHEL 5 to RHEL 6 for DEV/UAT/PROD servers.
  • Involved in Disaster recovery exercises for RHEL and Solaris servers and performed Disaster Recovery tests.
  • Work with the production IT support team to standardize the provisioning and decommissioning process for RHEL/CentOS servers.
  • Provide RHEL/CentOS administration and tools to insure the integrity and continuous function of 24/7 datacenter environments.
  • Build Redhat Enterprise Linux 7 (RHEL7) server and configure for customized application.
  • Installed HBA cards and upgraded Firmware in VMware ESX and RHEL.
  • Installed RHEL Kickstart for compute farm server install and maintenance.
  • Installed VMWare ESX5+ to perform virtualization of RHEL/SUSE/OEL servers.
  • Resized the volumes online in RHEL AS 4.0..
  • Deployed RHEL 5.5 and RHEL 6.1 Linux VMs using VMware vSphere client.

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14 Rhel Jobs

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12. Disk

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high Demand
Here's how Disk is used in Senior Linux Systems Administrator jobs:
  • Performed capacity analysis, monitored and controlled disk space usage on systems.
  • Configured Logical storage Manager (LSM) for root disk encapsulation and implemented root disk mirroring for fault tolerance.
  • Created and maintained user profiles, security access rights, disk space and process monitoring.
  • Experience in Disk mirroring and RAID implementation using VERITAS Volume Manager and Linux Volume Manager.
  • Experience in adding and configuring devices like hard disks and backup devices etc.
  • Added, Removed physical disks, Mirrored Volume Groups and Logical Volumes.
  • General troubleshooting and installing, disk maintenance, configuration, etc.
  • Add new disk on Virtual Machine per request using Redhat-Rhev manager.
  • Added and configured hardware devices like hard disks, network interfaces.
  • Installed & configured internal disks as well as Storage arrays.
  • Manage disk and file usage.
  • Configured and managed virtual disks using RAID (0, 1, 5) levels.
  • Used VxVM to add disk, create new disk groups/volumes, resize, deport and import disk groups between servers.
  • Monitor server resources utilization, switches utilization, NetApp storage usage and users disk quotas.
  • Set up Linux servers for iSCSI LUN boot instead of using local hard disks.
  • Experience in working with adding new Disks to the VM from the Hostgroup.
  • Performed troubleshooting on filesystem failure, network failure and disk failures etc.
  • Created and Managed Meta devices using Solstice Disksuite and Volume Manager.
  • Replace the failed hot-swappable disk in SVM and VXVM.
  • Installed/replaced disks and configured RAID storage.

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13. OS

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high Demand
Here's how OS is used in Senior Linux Systems Administrator jobs:
  • Designed and implemented application release policy and procedures for both internal applications and OS patching.
  • Implemented replicated databases located at multiple hosting facilities.
  • Optimize system operation and improve performance where possible
  • Replaced failed hardware, diagnose network connectivity issues and controlled access to files/directories via DAC, MAC and ACL permissions.
  • Worked closely with networking team to create rules between ECR, DMZ, isolated and trusted Network.
  • Add swap space to OS as needed using Linux utilities with no downtime required.
  • Deploy new LINUX hardware by installing and configuring OS through Kick Start.
  • Migrated the existing UFS data to VxFS for best possible IO performance.
  • Managed and Cross Trained Technical Support Team, teaching personnel Linux standards.
  • Diagnosed and resolved several (BigBrother) monitoring alerts issues.
  • Created strategic designs and supported web hosting programs.
  • Installed and upgraded OS and new software.
  • Diagnosed and resolved netbackup related issues.
  • Participated migration cutover meeting's, Build and deploy Linux hardware Nodes to host several KVM templates.
  • Managed several server logs through log management tools like rsyslog for security and troubleshooting purposes.
  • Worked closely with Oracle DBA to clean up OEM, Avamar and Net backups.
  • Oversee and manage Postgres database servers with replication to maintain 24x7 operations.
  • Perform regular security monitoring to identify any possible intrusion Working knowledge on Symantec NetBackup.
  • Migrated monitoring system from Groundworks to Zenoss for monitoring and alerting on all systems.
  • Design and PHP manage custom hosting configurations including load balancing between multiple application and database SOFTWARE servers.

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12 OS Jobs

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14. Virtual Machines

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high Demand
Here's how Virtual Machines is used in Senior Linux Systems Administrator jobs:
  • Implement and configure Azure virtual networks, gateways, tunnels, virtual machines as well as other cloud services.
  • Experience in creation of environments on virtual machines to be handed over to development and QA teams.
  • Generated and Supported CentOS and Ubuntu KVM virtual machines.
  • Deploy virtual machines using templates and cloning.
  • Migrated Physical Machines to Virtual Machines (P2V) and Virtual Machines to Virtual Machines (V2V) using VMware converter.
  • Create, clone Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
  • Worked on IO configurations for virtual machines ESX hosts, enabling and disabling VMDirect path.
  • Involved in live migration of Virtual Machines and Virtual machines files using the VMotion.
  • Worked on creating Virtual machines using VMware Experience with working on Solaris Zones/Containers.

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10 Virtual Machines Jobs

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15. DNS

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average Demand
Here's how DNS is used in Senior Linux Systems Administrator jobs:
  • Resolved a wide variety of issues, including DNS, email, MySQL, Apache and web page development.
  • Maintained an Open VMS Clustered network, DNS, AdvFS, LSM and RAID Technologies and individual user accounts.
  • Replaced current DNS architecture with redundant servers dedicated to serving DNS requests for internal and external hosts.
  • Deploy puppet to completely provision and manage AWS EC2 instances, volumes, DNS, and S3.
  • Configure system to use DNS or NIS depending on which is currently running on the system.
  • Performed the administration of the DNS and zone configuration provided 24X7 on-call troubleshooting and problem resolution.
  • Worked on making DNS entries to establish connection from server to DB2 database.
  • Manage and maintain Bind DNS Master and Slave servers and DHCP servers.
  • Design and implement a DNS/DHCP solution to replace current aging system.
  • Designed and built a global internal DNS infrastructure with BIND.
  • Configured BIND in DHCP & DNS configurations.
  • Performed TCP/IP, DNS and DHCP administration.
  • Maintain Infoblox architecture, provide DNS and IPAM best-practices to users, and troubleshoot problems when needed.
  • Migrated 1200+ DNS zones from Bind into split-horizon DNS in Infoblox using shell scripts and IBCLI.
  • Implemented TCP/IP network based on DHCP, DNS on Linux 5.2 & Sun Solaris 8.
  • Network configuration and hostnames, IP address, netmasks, security configuration, DNS, SNMP.

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22 DNS Jobs

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16. NFS

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average Demand
Here's how NFS is used in Senior Linux Systems Administrator jobs:
  • Experience with installation and maintenance of NFS, FTP and Samba for file sharing.
  • Configure DNS, NFS, FTP, remote access, and security management.
  • Network File System (NFS) server and client configuration.
  • Implement NFS, Samba, FTP, DNS, and DHCP, on Red Hat Linux Servers.
  • Configured and managed NFS, SSH, DNS, VFTPD, NTP and SQUID servers.
  • Configure and maintained FTP, DNS, NFS and DHCP servers.
  • Administer DHCP, DNS, and NFS services in Linux.
  • Manage NFS and NAS mounting that included adding new mounts, resolving mounting issues on Solaris and RedHat Linux platforms.
  • Configured and maintained NFS, NIS, and Jumpstart servers in conjunction with daily file system maintenance.
  • Used VERITAS Cluster Server 4.1 to create high available environments for NFS, WebLogic and Sendmail agents.
  • Created Filesystems from local storage as well as NFS partitions for application portability.
  • Support network services DNS bind, DHCP, NFS, NIS, CUPS, F5 SSL-VPN, 802.1Q Vlan and firewall.
  • Configure and maintain WU-FTP, Squid, Apache, DNS, NIS, NFS, and Sendmail.
  • Experienced in configuring SSH, DNS, NFS, sendmail, ftp.
  • Experience with NIS, NFS, BIND, Sendmail SNMP, TFTP, Iptables.

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1 NFS Jobs

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17. Puppet

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average Demand
Here's how Puppet is used in Senior Linux Systems Administrator jobs:
  • Installed and manage Puppet for centralized systems management.
  • Managed Puppet infrastructure through major version upgrades.
  • Developed puppet manifests by using Ruby.
  • Integrated the Puppet Master with GIT to control the version changes and created a clone GIT master to track the changes.
  • Worked on installing and configuring an automation tool Puppet, along with creating manifests and pushing them to servers using modules.
  • Planned for, tested, and then managed the upgrade of our puppet infrastructure from 0.25.4 to 2.6.6.
  • Introduced Puppet to speed server deployment/provisioning times from 2+ hours per VM to ~15 minutes.
  • Used Puppet Master to keep in sync configuration on hosts running agents.
  • Experience installing Puppet agents and pushing Manifests/Modules to 500+ Puppet clients.
  • Deployed Puppet across 1500 servers to automate complex system administration tasks.
  • Automated version control developer codes and deployed through tools like Chef/puppet.
  • Created manifests for OpenStack deployments and bug fixes with Puppet.
  • Configured Puppet master server and client for server automation.
  • Used Puppet tool for managing system configurations.
  • Involved in knowledge transfer to vendors and provided them network support as required Implemented Puppet to keep system configurations in sync.
  • Configure new nodes to enterprise setting Tested Puppet Enterprise in lab environment and successfully set up node communication.
  • Tuned pre-existing Puppet environment for performance, reducing initial run-times from 90 minutes to 10 minutes.
  • Involved in server automation using Puppet for Linux and Solaris servers.
  • Refactored Puppet code to leverage new features.
  • Experience in designing and configuring open source management tools Puppet, Chef and CFEngine in Devops Environment.

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5 Puppet Jobs

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18. Tomcat

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average Demand
Here's how Tomcat is used in Senior Linux Systems Administrator jobs:
  • Managed Apache/Tomcat for Web hosting Applications.
  • Established procedure to improve performance of critical department servers running Oracle, Natural, SAP, Tomcat and IBM Maestro.
  • Involved in supporting Apache, Apache Tomcat and generated SSL keys for renewing SSL certs on web servers.
  • Support of Applications like Apache Tomcat and Java based applications running on Linux machines for multiple clients.
  • Experience with installation of Tomcat and Apache Web Servers on Red Hat Production Servers.
  • Experience supporting middle ware servers running Apache, Tomcat and Java applications.
  • Installed and Setup Web Servers (Apache and Tomcat).
  • Worked with ATT in Production to resolve Apache tomcat problem.
  • Deployed the archives to Tomcat Application Servers.
  • Created Tomcat and Apache user groups.
  • Deploy Apache/Tomcat applications using Ansible.
  • Upgraded Apache and Tomcat in NPE servers to latest version, configured and tested successfully.
  • Recompiled APR openssl and tomcat native to resolve certificate issues.
  • Used ansible for configure tomcat servers and maintain.

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19. Cloud

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average Demand
Here's how Cloud is used in Senior Linux Systems Administrator jobs:
  • Implemented and maintained Monitoring and alerting of production and corporate servers/storage with Cloud Watch.
  • Develop strategies for client/server implementations including utilizing the use of virtual and cloud solutions.
  • Worked on projects to automate customer private cloud provisioning and configuration.
  • Developed automation framework for Application Deployments to the cloud environments.
  • Performed key role in successful development, deployment and operations of U.S. General Services Administration Cloud Infrastructure.
  • Maintained SMTP servers making sure mails from the servers in the cloud are processed successfully.
  • Worked for DevOps Platform team responsible for specialization areas related to Chef for Cloud Automation.
  • Assisted customers with Access Control Records for cloud verification to Azure portal.
  • Utilized cloud and automated infrastructure tools such as Maven and Selenium.
  • Provided OS and infrastructure services for managed virtual private cloud solutions.
  • Experience with Cloud service and collaborate with java team.
  • Worked on S3 buckets to store AMI's and Logs on the cloud.
  • Used splunk to monitoring/metric collection for applications in a cloud based environment.
  • Implemented multi-tier application provisioning in OpenStack cloud, integrating it with Puppet.
  • Experienced in Amazon EC2 setting up instances, virtual private cloud (VPCs), and security groups.
  • Build VMs via Red Hat Cloud Forms as per the requirement and troubleshoot them for any errors.
  • Worked closely with engineers to define and implement the platform for our cloud streaming platform.
  • Worked on creating cloud formation templates for dev, test, staging and production.
  • Trained in Cloudera Hadoop and worked on building a PROTO type HDFS cluster of 15 nodes.
  • Support internal VMWare ESXi Cloud Computing Initiative.

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4 Cloud Jobs

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20. Kernel

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average Demand
Here's how Kernel is used in Senior Linux Systems Administrator jobs:
  • Can easily identify booting related issues including kernel panics.
  • Configured Kernel Parameters for application/databases to meet organizational needs.
  • Configure Kernel Parameters as per Application specific requirements.
  • Write C, FORTRAN, JAVA code to either test or put into production the added KERNEL functionality.
  • General knowledge of Windows Kernel Debug, Linux CLI, Windows Batch Scripting and Python Scripting.
  • Install Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
  • Customize and cross compile Linux kernel for the hardware which they use in the product.
  • Configured the Kernel parameters and updated the Kernel for MySQL Database.
  • Work with Database administrators to tune kernel for Oracle installations.
  • Modified the Linux Kernel (2.4) to control swap.
  • Performed Kernel upgrades on Linux Machines.
  • Perform kernel tuning as required.
  • Apply O/S and kernel patches.
  • Installed Fedora core 2 having kernel 2.6.
  • Resolved several kernel, booting, package and user related issues in a timely manner.

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3 Kernel Jobs

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21. Setup

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average Demand
Here's how Setup is used in Senior Linux Systems Administrator jobs:
  • Performed security setup, networking, system backup and patching for both AWS, and on premise environments.
  • Created and executed scripts for changing user password; setup new users or delete old users.
  • Watch and monitor the health of server/desktop systems that setup Ganglia to see clusters' performance.
  • Installed and setup RTM (Real Time Monitoring) LSF services via Alerts.
  • Documented all setup procedures and System related Policies (SOP's).
  • Worked on Recovery from failed restore, post deployment VM Setup.
  • Work on Adobe CQ5 application setup and CQ cluster setup.
  • Configure and setup Linux server samba protocol.
  • Performed SMTP, IMAP setup as required.
  • Configured Spacewalk 2.0 for different environments, setup config management for patch management.
  • Used of Cisco UCS(2.0) Setup and managed disk spaces and file systems using LVM.
  • Maintained version control setup of configuration files, auto mount maps, software repos etc.
  • Worked on several configurations such as rsyslog client/server setup for multiple servers.
  • Worked on setup of systems rsyslog remote logging on central log server.
  • Used Build Tool Gradle for setup of Build Jobs in Jenkins.
  • Configured and setup LDOMS from the scratch on T-series harware.
  • Worked on User admin setup, maintaining account, Monitor system performance using Nagios & Tivoli.
  • Resize Luns, create new mounts, deploy software patches and Setup Spacewalk server for maintaining Config management on all servers.

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22. LVM

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average Demand
Here's how LVM is used in Senior Linux Systems Administrator jobs:
  • Used the LVM extensively, created, modified, deleted Volume Groups, Logical Volumes and File systems.
  • Configured volume groups, extend volume groups/LVM/file system, exported and imported volume group for hardware.
  • Configure Storage, Disk Management, Logical Volume Management (LVM) and Logical Partitioning.
  • Performed volume management tasks like mirroring using SVM, VERITAS Volume Manager 4.x/5.x and LVM.
  • Experience in creating file systems on LVM, VxVM on RedHat Linux and HPUX.
  • Configured logical volumes using logical volume manager (LVM) and also configured mirroring.
  • Install and configure Logical Volume Manager - LVM and RAID.
  • Handled SuSe clusters using HP Service Guard (HPC) and LVM's in SUSE Linux.
  • Create or extend LVM/Veritas file systems for new storage requests.
  • Well versed with SVM {Solaris} and LVM {Linux}.
  • Experience working with HP LVM and Redhat LVM.
  • Configured and managed LVM on Linux using tools like lvextend, lvcreate, resize2fs etc.
  • Maintain LVM best practices - ext3, ext4, xfs, multipath, striping, resizing.

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23. Kickstart

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average Demand
Here's how Kickstart is used in Senior Linux Systems Administrator jobs:
  • Performed automated installations of Operating System using kickstart for Linux.
  • Managed Kickstart environment (plus PXE) and stand up servers very quickly on an as-needed basis.
  • Configured Kickstart that makes standard base line all Linux servers in an Enterprise.
  • Managed LINUX/UNIX OS installations utilizing HPSA, Kickstart and Ignite-UX.
  • Performed OS provisioning using kickstart through BMC Blade Logic.
  • Utilize kickstart for systems builds and consistent deployment.
  • Configure, and automate the deployment of Linux and VMware infrastructure through our existing Kickstart infrastructure.
  • Configured and installed AIX, and Redhat Linux Servers using NIM, Kickstart.
  • Configured kickstart server and updating/applying patches to the servers using Redhat Satellite server.
  • Provided provisioning PXE, Kickstart, cobbler and cfEngine package management.
  • Red hat Linux Kickstart Installation Sun Solaris Jump Start Installation.
  • Net backup management server builds using jumpstart and kickstart.
  • Installed OS using kickstart as well as Jumpstart.
  • Configured and maintained Linux Kickstart/Solaris Jumpstart servers for automating Linux/Unix installations.
  • Automated installation of Linux servers using Kickstart and Installation of Solaris using Flash, live upgrades and Jumpstart Servers.
  • Implemented the Jumpstartin Solaris servers and Kickstartin Linux Servers to automate the server builds for multiple profiles.
  • Implemented Jumpstart on Solaris and Kickstart for redhat environments.
  • Implemented puppet ,Nagios, Splunk, Chef and DevOps tools Performed OS provisioning using kickstart through BMC Blade Logic.
  • Used Jumpstart/JET for Server builds along with Flars, ISOs RHEL 4-6 server builds using Kickstart on standalone and VMware environment.

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8 Kickstart Jobs

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24. Centos

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average Demand
Here's how Centos is used in Senior Linux Systems Administrator jobs:
  • Monitored and responded to Linux/CentOS computer system problems in production operations environment and for non-production engineering groups.
  • Created users, manage user permissions, maintain User & File System quota on Red Hat Linux, CentOS and OEL.
  • Worked with multiple Linux platforms such as Red Hat, CentOS, Fedora and Ubuntu.
  • Install, configure Rocks Cluster, CentOS Linux cluster and responding to servers outages.
  • Maintain and maintenance all the customers classified RHEL/ CentOS Linux systems.
  • Experienced on Installing, Configuring and Upgrading of RedHat Linux 5/6, Centos 5/6 operating systems.
  • Configure and Automate CentOS Linux install by Cobbler and responding to Accenture VM servers.
  • Perform support for Centos and RedHat based servers.
  • Installed KVM hypervisor in Redhat/Fedora/CentOS Linux operating system.
  • Upgraded Clear-Case from 4.2 to 6.x running on Linux (Centos & Redhat).
  • Red Hat and Centos Linux Administration, DevOps supporting Dev and QA team.
  • Installed and supported Linux systems on Centos and Redhat OS platforms.

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25. Nagios

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average Demand
Here's how Nagios is used in Senior Linux Systems Administrator jobs:
  • Integrated NAGIOS XI to NAGIOS ticketing manager to make auto ticketing.
  • Experienced in working and configuring Nagios, for monitoring different available servers.
  • Redesigned and redeployed the Nagios implementation.
  • Created and managed several custom Nagios plug-ins to monitor the custom services on our servers.
  • Research and implement systems and network monitoring tools (Nagios, Cacti).
  • Installed and configured the Nagios 3 monitoring system from scratch.
  • Migrate the monitoring tools from Nagios to HP monitoring.
  • Implemented Puppet, Chef, Nagios tools.
  • Install and configure Nagios monitoring tool.
  • Deployed monitoring system, Nagios OMD.
  • Managed and optimize the CI (Continuous Integration) tools like Jenkins Implemented Nagios monitoring solution for mission critical servers.
  • Worked on installing and managing different automation and monitoring tools like Nagios, Splunk and Puppet.
  • Monitored and tested alerts in Nagios & Zabbix monitoring tools.
  • Monitored hardware uptime, issues via Nagios monitoring.
  • Created technical documentation for MySQL systems administrators as well as sales tools for the business Nagios development and account management teams.
  • Automated the Wordpress and MySQL container deployment in Docker using Python and monitoring of these containers using uptime robot and Nagios.
  • Worked on Integrating Nagios with other monitoring/alert solutions (splunk, pingdom, pager duty) Server wizard.
  • Supported internal NIS, SSH, SNMP, NTP, Postfix, Nagios, Splunk, and SQL,
  • Experience using enterprise management and monitoring tools; Vmware vCenter configuration manager, Solarwinds, Zabbix, Nagios.

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26. EMC

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average Demand
Here's how EMC is used in Senior Linux Systems Administrator jobs:
  • Supported 60+ EMC storage StorNext file systems with nearly 5 PB of data comprised of 120 servers running RedHat Advanced Server.
  • Developed and implemented a unique tape-backup solution for the GFS2 file systems using shell scripts and EMC LUN snapshot technology.
  • Installed and configured BMC Patrol, NET-SNMP, PowerPath and EMC Solutions Enabler, SYMCLI on Linux/UNIX hosts.
  • Experience in EMC Symmetric, Clarion and Brocade Fiber Switches.
  • Supported the EMC bin file updates for new storage requirements.
  • Experienced in storage management: LVM, EMC PowerPath for SAN CX-300, IBM NAS 5500.
  • Created large volumes using LVM from the EMC LUN's.
  • Experience working EMC SAN Storage arrays like EMC Clariion and configured RAID groups and created LUN's on them.
  • Reduced site load-time during peak traffic from ~20 seconds to ~5 seconds by implementing Memcached.
  • Worked with EMC SAN to acquire storage and setting up Veritas/LVM file-systems.
  • Managed integrated infrastructure stacks based on VMware, Cisco, EMC solutions.
  • Installed Configured EMC disk devices on HP and Solaris Servers.
  • Assisted in configuring and deploying Oracle 8i, 9i and 10g RAC using EMC and XP SANs.
  • Connected and worked with EMC Celera & Symetrix and Hitachi NAS & SAN storage devices over HBA fiber.
  • Experience in migrations of Solaris and Linux servers from EMC DMX to VMAX arrays using Veritas and SVM.
  • Experience working on EMC Symmetrix/Clarrion, Hitachi Data System (HDS), HP and IBM Storage.
  • Limited san experience on EMC Clarion and VNX arrays Familiar with ITIL procedures
  • Configured Storage Area Network (SAN), EMC CLARiiON, EMC Symmetric DMX, VMware.
  • Experience managing multipathing using Linux and Solaris Native and also EMC Powerpath on SAN devices.
  • Worked closely with KVM development team to optimize environments and Memcached troubleshoot bugs.

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27. AIX

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average Demand
Here's how AIX is used in Senior Linux Systems Administrator jobs:
  • Support AIX servers on various platforms which run administrative university applications.
  • Involved in working in the AIX environment and was responsible for installing & Configuration of HACMP: High Availability Cluster Multi-Processing.
  • Design, implement, and administer HACMP solutions for business critical applications based on AIX, including multiple UDB Database systems.
  • Provide system and network administration as a first echelon support on AIX, HP-UX and Linux systems.
  • Performed Disk management with the help of LVM (Logical Volume Manager) in Linux and AIX.
  • Experienced in increasing the file system, create Mirroring, striping on AIX.
  • Created and maintained some 1200+ Linux servers and 500+ AIX servers.
  • Set up and maintain Content Manager OnDemand 7.1 on AIX/Linux servers.
  • Maintained around 1000+ Linux servers and 200+ AIX servers.
  • Installed and configured LPAR's with AIX 6.1 and 7.1 on p6 and p7 servers.
  • Migrated numerous LPAR's from AIX 5.3 to AIX 6.1, and AIX 7.1.
  • Upgraded AIX 5.3 servers to TL 11.
  • Involved in life-cycle project to decommission Aix server and rebuilt with new hardware specifications.
  • Performed Migration and upgradation from AIX 5.3 to AIX 6.1and AIX 7.1.
  • Decommissioned several un-used Servers (AIX and Linux).
  • Installed Java on Linux and Aix servers.
  • Installed, upgraded and configured Solaris 10/9/8, RHEL 6 /5.x, AIX.
  • Worked on various unix environments like Linux, HP-Unix, Solaris, AIX servers.
  • Performed P2V migrations of Solaris 9, 10 and AIX 5.3, 6.1 to vblock using VMWARE Converter.
  • Configured, updated and failover testing of Aix hacmp, Rhel Hpux M/C service guard, and clusters.

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1 AIX Jobs

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28. NIS

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average Demand
Here's how NIS is used in Senior Linux Systems Administrator jobs:
  • Project involved day to day server administration, maintenance and periodic system upgrades to ensure high availability and minimum downtime.
  • Patch and Package administration for installation of patches as per company policy and installation of packaged application.
  • Administered Active Directory and Group Policy via Quest cross-platform Enterprise Administration.
  • Monitored all areas of supporting and administering Linux Virtual Infrastructures.
  • Provide solid mentoring and guidance to other systems administrators.
  • Developed shell scripts for performing various administration tasks.
  • Administered the TSM Server, used to back up more than 290 TB of all vital production data.
  • Promoted to Senior Linux Administrator, oversaw growth of Linux footprint from 40 servers to 220+.
  • Administer Solstice DiskSuite to Add/Delete storage for all Sun Systems.
  • Experience in User and group administration, management and archiving.
  • Develop and document administrative processes, procedures, and scripts.
  • Configured NIS Master and Slave servers and NIS clients.
  • Shell Programming for day to day system administration.
  • End User Management & Administration.
  • Support local and remote demonstrations/shows Provide systems support to developers, testers, end-users, and junior systems administrators.
  • Implemented and administered VMware ESX 5.5 for running the Windows 2003/2008 Servers on development and test servers.
  • Lead Administrator of transition team that took over maintenance of the chevrolet.com, buick.com, and several other GM websites.
  • Installed and administered CI tools like Jenkins, , Perforce and Artifactory.
  • Worked on Installation/Configuration/Administrated VMware ESXi 5.1/5.5 & 6.0 and migrated existing servers into VMware Infrastructure.
  • Created DRS and Custom roles for users and Administrators High availability, Clustering, VMotion, Storage Vmotion.

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29. YUM

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average Demand
Here's how YUM is used in Senior Linux Systems Administrator jobs:
  • Deployed an internal Yum repository to significantly reduce dependencies on external OS packages and increase full-environment-build stability
  • Configured and used yum repository for packages and patches installation in Red Hat Enterprise Linux environment.
  • Worked on upgrades without downtime using yum and as well as setting servers locally for upgrades.
  • Applied patches and packages on Linux servers using rpm RedHat Package Manager and yum tools.
  • Perform server updates, patching, upgrade and package installations using RPM and YUM.
  • Installed SUN patches and YUM updates on a monthly and quarterly basis.
  • Handled RPM and YUM package installations, patch and other server management.
  • Used both apt and yum repositories to install and update packages.
  • Installed and configured the RPM packages using the YUM Software manager.
  • Performed patching of RHEL using yum, up2date and Blade Logic.
  • Performed package management, system updates using yum and rpm.
  • Install and update software packages using rpm and yum.
  • Install and update various programs using yum.
  • Installed and removed packages using yum.
  • Updated sudoers list for admin rights and updated new Yum Repository on production servers for updating and patching packages and applications.
  • Post build configurations, checks, security , file systems, permissions and Package/Patches, YUM/RPM repository management on Linux servers.
  • Leverage Linux tools that include Yellowdog update modifier (Yum) for OS and Applications software updates and install packages.
  • Set up repositories for Redhat, implemented YUM, SSH and other security tools.
  • Performed Kernel tuning with the sysctl and installed packages with yum and rpm.
  • Configured and maintained Network Multipathing in Solaris and Linux Configured yum repository server for installing packages from a satellite server.

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7 YUM Jobs

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30. Bash

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low Demand
Here's how Bash is used in Senior Linux Systems Administrator jobs:
  • Implemented rapid-provisioning and life-cycle management for Ubuntu Linux using Amazon EC2, Chef, and custom Ruby/Bash scripts.
  • Created Bash, shell & python scripts for various Systems Administration tasks to automate repeated processes.
  • Create and edit custom bash scripts used for various internal purposes.
  • Automated build process with Continuous Integration Tool Jenkins, Bash.
  • Worked on Test Deployment scripts using Python, BASH.
  • Shell, Bash or equivalent scripting and automation.
  • Task automation and reporting generally through Bash scripting.
  • Create bash script files to automate tasks.
  • Experienced Python and Bash script writer.
  • Used Supermicro servers, Force10 switches, Linux CentOS, CDN technologies, and bash scripting.
  • Developed Korn and Bash shell-scripts to automate routine activities and Worked in running some SystemTap scripts.
  • Developed and Coordinated deployment methodologies (Bash, Puppet & Ansible).
  • Developed scripts for efficiency and automation using BASH and Powershell.
  • Automated tasks using bash, korn shell scripts.
  • Configure and maintain Nagios BASH monitoring, including writing custom checks.

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2 Bash Jobs

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31. Mysql

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low Demand
Here's how Mysql is used in Senior Linux Systems Administrator jobs:
  • Worked with Developer to implement and support Linux based App using Apache front end and MySQL and PHP database.
  • Managed in providing support and administration for LAMP (Linux, Apache, MySQL, PHP).
  • Deployed MYSQL clusters using Red Hat cluster Suite for supporting internal applications built on the LAMP stack.
  • Involved in supporting and configuring applications on Oracle and MySQL database Environments.
  • Experience in migrating Oracle, MYSQL data using Double take products.
  • Supported UNIX, Linux servers running Oracle and MySQL databases.
  • Experience with running SQL queries on Oracle and MySQL.
  • Experience with SQL databases; MySQL.
  • Maintained Volumes and File systems using VxVM / VxFS for Oracle, DB2, Sybase MySQL databases.
  • Set up mount points on Solaris servers for Oracle database and installed MySQL server.
  • Assisted the DB team in running MySQL commands during migrations and rosters updation.
  • Maintained the mysql and oracle databases for the projects.
  • Led MySQL database sharding project.
  • Upgraded Zabbix 2.2 to 2.4 and backed up MySQL database using application called Percona for the process.
  • Implemented centralized logging using rsyslog logging to a central mysql database with a custom web front-end.
  • Deployed centralized syslog archiving to multi-tiered storage (MySQL database and local disk array) with rsyslog.

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32. Jboss

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low Demand
Here's how Jboss is used in Senior Linux Systems Administrator jobs:
  • Created containers and deployed applications in JBOSS on different containers.
  • Configured application servers (JBOSS) to deploy the code.
  • Performed application installation and management on Linux servers for applications like JBoss.
  • Installed and configured Jboss Application servers for DEV, QA, PROD and GDHA(backup) systems.
  • Worked on the administration of the Web Logic 9, JBoss 4.2.2 servers including installation and deployments.
  • Maintained Apache web servers, Tomcat and JBoss Application Servers in clustered environments.
  • Red hat JBoss, Oracle Enterprise Database and MySQL Database Server requirements.
  • Installed/Configured Websphere and JBoss Application Servers.
  • Experience with Apache/JBOSS Application support for asp, .NET & java based hosted internal & external websites.

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33. Perl

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low Demand
Here's how Perl is used in Senior Linux Systems Administrator jobs:
  • Exercise Cardinal's ingrown Perl library structure to develop utilities to help improve overall performance of the environment.
  • Perform unit testing and develop robust and concise code to handle complicated business solutions in Perl/Python.
  • Shell scripting, Perl & Python scripting for Linux/Unix Systems Administration and related tasks.
  • Debug and improve inbound and outbound order processing units developed in Perl.
  • Use bash and some Perl scripting for several program applications
  • Debugged and Fixed issues with Perl/PHP scripts.
  • Limited Bash shell and Perl scripting.
  • Explore SWIG tool to expose the SDK interface in different languages like C++, C#, Perl and Java.
  • Implemented mass automated system deployment/administration with Systemimager, custom Perl/Ruby scripts, and Puppet.
  • Experience in Developing KORN, BASH, PERL, Python shell scripts to automate cron jobs and system maintenance.
  • Involved in developing custom scripts using Python, Perl & Shell (bash, ksh) to automate jobs.
  • Performed QA testing ; wrote test scripts in Python/Unix Perl script code to monitor File System.
  • Perform Perl, ksh, Bash scripts to perform various administrative tasks, system performance monitoring.
  • Utilize and debugged scripts and applications using curl, Perl, ksh/bash, and java.
  • Worked on Shell and Perl scripting to automate some of the processes for the team.
  • Experience with sysadmin tools such as shell scripting, Perl.and Webmin.
  • Experience with UNIX Shell scripting (shell, bash and perl).
  • Developed Network information management system using php and perl.
  • Extended SISuite (systemimager) software with various custom Perl modules to achieve greater server provisioning speed and automation.
  • Installed and managed apache, MySQL, PHP, Perl modules on Redhat Linux servers.

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4 Perl Jobs

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34. Vsphere

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low Demand
Here's how Vsphere is used in Senior Linux Systems Administrator jobs:
  • Involved in integrated vSphere hypervisor with OpenStack.
  • Involved in building vCenter on Windows environment and managed vSphere clients and performed administration using vCenter Power CLI.
  • Administered VMware environment: ESXi, vSphere and vCenter.
  • Experience with VMware Virtualization using ESX hypervisor of VSphere.
  • Cloned servers using vSphere (VMware) Crated Repo servers and built and managed Redhat Satellite server.
  • Experience in Servers consolidation and virtualization using VMware converter, VMware ESX4.x/5.x, VMware Vsphere Client.

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5 Vsphere Jobs

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35. Ldap

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low Demand
Here's how Ldap is used in Senior Linux Systems Administrator jobs:
  • Provide method for converting proprietary directory services (IMS) to a standard LDAP schema for send mail and anti-virus solution.
  • Configure and administration of LDAP, NFS, FTP, SAMBA servers in Red Hat Enterprise Linux.
  • Experience in installation and configuration of Apache, BEA WebLogic, LDAP, and mail servers.
  • Created a web page for internal recognition using WordPress on a Linux server with LDAP connection.
  • Maintain and administer LDAP directory servers connected to various applications such as calendar and e-mail.
  • Installed and configured LDAP servers to authenticate between Linux, Apple and Windows environments.
  • Configured multiple server tools such as Apache, MySQL, OpenLDAP and PXE.
  • Worked with LDAP support in order to resolve user management issues.
  • Configured and solid understanding of LDAP and LAMP stack projects.
  • Configured Red Hat Linux 6 machine as an LDAP client.
  • Managed and supported LDAP environment running on Unix OS.
  • Involved in configuration of NIS, NIS+ and LDAP.
  • Experienced managing user accounts with LDAP.
  • Developed tools, policies, and implementation technique for sudo role separation through LDAP.
  • Worked on Configured NFS and Open LDAP services in RedHat Linux and Solaris systems.
  • Experience working on LDAP user accounts and configuring ldap on client machines.
  • Used my previous experience with ldap and other various central authentication methods to implement centralized authentication within aws.

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2 Ldap Jobs

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36. Websphere

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low Demand
Here's how Websphere is used in Senior Linux Systems Administrator jobs:
  • Involved in configuring the WebSphere load balancing utilizing WebSphere Workload Management (WLM) including horizontal scaling and vertical scaling.
  • Implemented and maintained ESB environment by using IBM WebSphere MQ for daily cross shores data transmission.
  • Helped development team deploy the WAR and EAR packages to the different WebSphere platforms.
  • Created nodes, clusters and JVM as per requirement in WebSphere.
  • Installed and configure WebSphere Application Server on UNIX and Linux systems.
  • Perform trouble shooting on Web and Database application like WebSphere, WebLogic DB2, Informix and oracle.
  • Experience on Configuring and supporting IBM WebSphere Application server andtomcat web server.
  • Supported Apache/Tomcat, Oracle Web Logic, and IBM MQ Websphere applications.
  • Worked on getting the websphere applications renewals from godaddy website.
  • Installed and administered websphere application server as well maintained applications like apache, weblogic.

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37. Cron Jobs

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low Demand
Here's how Cron Jobs is used in Senior Linux Systems Administrator jobs:
  • Implement and maintenance RAID array storage systems by fine tuning Bash/SH scripts and adding cron jobs to better system performance tuning.
  • Performed storage management with SAN/NAS and migrated the manual jobs to self-executing cron jobs on Physical/Virtual Servers.
  • Performed all system administration tasks like cron jobs, installing packages, and patches.
  • Scheduled cron jobs for job automation.
  • Scheduled cron jobs for job automation Worked with OpenStack, Git, ELK stack in various environments.
  • Scheduled cron jobs for job automation Configured new service group and resources for new application in Veritas Cluster Servers.

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38. Suse

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low Demand
Here's how Suse is used in Senior Linux Systems Administrator jobs:
  • Upgraded SuSE 10x to SuSE 11x.
  • Experience with CENTOS and SUSE Linux.
  • Performed automated installations of Operating systems SUSE Linux using autoyast.
  • Administered and supported distributions of Linux, including Linux Enterprise Desktop, SUSE Linux Enterprise Server, and RedHat and Solaris.
  • Provided 24/7 on call supports in debugging and fixing issues related to Redhat and SuSE Linux.
  • Involved in creating Redhat and SUSE VM Templates and performed VM cloning activities on ESX Clusters.
  • Involved in Installing and configuring Centos & SUSE 11 & 12 servers on HP x86 servers.
  • Supported multiple client websites running on SUSE Linux 8, DEBIAN 3.1 and Redhat ES2.
  • Monitor Performance on Solaris 8/9/10, Red Hat Enterprise Linux 4/5 and SUSE Linux
  • Involved in supporting Servers running in Solaris (9/10/11) & Linux (Red Hat 5/6 & SUSE).
  • Tested the J2 product on Sun Solaris and Linux SuSE as well as Sun Solaris.
  • Installed & configured Guest operating system like windows, Redhat 5.x and SUSE Linux 11.x/10.x/9.x , on VMwareESX 4.0.

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39. RPM

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low Demand
Here's how RPM is used in Senior Linux Systems Administrator jobs:
  • Created RPM-building environment for improved time-to-deploy speed.
  • Applied appropriate support packages and Vulnerability patching on Linux boxes to maintain system integrity using RPM.
  • Used RHN Satellite exporter command to channel all the packages and deploying rpm packages.
  • Applied appropriate support packages/patches to maintain system integrity using RPM.
  • Converted application deployments to use rpm packages.
  • Used RPMs to install, update, verify, query and erase packages from Linux Servers.
  • Created and rebuilt RPMs for deployment.
  • Implemented RPM packaging for all the main software deliverables, via both spec files and Engineering Maven integration.

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13 RPM Jobs

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40. AWS

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low Demand
Here's how AWS is used in Senior Linux Systems Administrator jobs:
  • Used AWS S3 and EC2 for managing storage, launching virtual servers, configuration of security & networking.
  • Experience working on AWS Cloud Images and involved in supporting AWS VPC environment.
  • Implemented a Continuous Delivery pipeline with Docker, and GitHub and AWS.
  • Managed in-house development and staging servers, and migrated to AWS.
  • Implemented Migration from VMWARE to AWS using VMDK Import tools.
  • Worked on Asgard for deployment of server to AWS cloud.
  • Worked and managed AWS Cloud; managed application in cloud.
  • Experience with launch and deployment on AWS EC2 instances.
  • Experienced in Cloud automation using AWS Cloud Formation templates.
  • Created Buckets in AWS and stored files.
  • Worked AWS Command line Interface.
  • Experience using cloud providers and API's for Amazon (AWS) with Cloud Sigma (EU).
  • Experience working in AWS Cloud Environment like EC2 & EBS.
  • Monitor the UAT/Production Environments for any down time issues Responsible for distributed applications across hybrid AWS and physical data centers.
  • Implemented automations tool puppet and worked with Chef Management tool and AWS and DevOps.
  • Operated cloud infrastructure services arena with both AWS and Rackspace.
  • Cloud management for local and Amazon AWS virtual systems infrastructure.
  • Experience with migration to Amazon web Services AWS from Datacenter.
  • Worked on AWS CLI, AWS webservers, AWS Route 53, AWS S3, Glacier, AWS SDK.
  • Deployed and monitored scalable infrastructure on Amazon Web Services (AWS) & configuration management using Ansible.

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41. SSH

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low Demand
Here's how SSH is used in Senior Linux Systems Administrator jobs:
  • Configured the systems for TCP/IP Networking with the existing LAN, Setting up SSH and SCP.
  • Install and configuration of Web hosting administration HTTP, FTP, SSH, & RSH.
  • Resolve OpenSSH issues preventing users and application ID's from accessing the servers.
  • Implemented SUDO, SSH and other security tools and security compliance.
  • Install and configure SSH to enable secure access to the servers.
  • Manage PGP and SSH keys for internal and external customers.
  • Installed and Configured SSH Gate for Remote and Secured Connection.
  • Install and configure OpenSSH onto Solaris and RedHat Linux 2.6 servers.
  • Worked on Implemented SUDO, SSH and other security tools and implemented SOX (Sarbanes Oxley) security compliance.
  • Configured SSH server for password less authentication, secured and restricted ssh logins to local network using iptables/firewalld and tcpwrappers.

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42. VMS

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low Demand
Here's how VMS is used in Senior Linux Systems Administrator jobs:
  • Performed evaluation and deployment of NetBackup 4.5GA solution for Windows, Linux, and OpenVMS systems.
  • Performed system health check using utilities such as TOPAS, NMON, VMSTAT, IOSTAT, etc.
  • Even had to take care of some VAX/VMS machines.
  • Used thin and lazy thick technologies to increase space in VMs.
  • Create, Manage VMs using templates, snapshot and cloning.
  • Worked on KVM, installing, configuring Linux VMs.
  • Experience in creating VMware templates and cloning VMs.
  • Performed Vmotion using the VCenter 5.0 on the ESX machines for migrating the VMs online.
  • Performed performance analysis using tools like prstat, mpstat, iostat, sar, vmstat, truss, Dtrace.

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43. Production Environment

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low Demand
Here's how Production Environment is used in Senior Linux Systems Administrator jobs:
  • Administer backup in a production environment by utilizing legato to monitor and manage enterprise data management processes.
  • Experience in application development and support in Production environment and cross-platform web-based applications troubleshooting.
  • Involved in transitioning J2EE applications from quality assurance to production environment on Linux environments.
  • Investigated and mended ongoing NIC issue resulting in reduced downtime within production environment.
  • Maintained fully automated configurations on development and production environment's using Puppet.
  • Configured networking and diagnosed network connectivity issues in production environment.
  • Engineered network re-architecture for PCI-DSS compliance in production environment.
  • Perform production environment installs and upgrades.
  • Set up Application, Database & Web servers for the Production Environment and on all other stages like Development and QA.
  • Supported AOL's 24x7 billing production environment (Legacy, OBI, BRR) and resolve production incidents with minimal disruption.
  • Manage HP blade enclosures, blade server including firmware updates when required in production environment.
  • Support Integration, development, test, CI, Staging and Production environments.
  • Involved in supporting and troubleshooting the issues in High availability, Production Environment.
  • Configured, deploy, and hosted Apache web server in a production environment.
  • Performed deployment updates to QA, Stress, Integration and Production environments.
  • Install and maintain security patches on Lab and Production environment.
  • Deployed and maintained fully automated production environment of several hundred servers using CFengine and development / research branch using Puppet.
  • Utilized Puppet to automate single-command provisioning for development and production environments for an operation tools startup.
  • Managed change requests on Dev / Production environment and familiar with Remedy Change management.
  • Introduced VMWare ESXi into the administrative and production environments for cost- and space-saving server consolidation.

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44. Configuration Management

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low Demand
Here's how Configuration Management is used in Senior Linux Systems Administrator jobs:
  • Experience in administration & configuration management of Puppet on Linux and puppet enterprise management from the console.
  • Performed the automation using Chef Configuration management and managing the infrastructure environment with Puppet.
  • Led team responsible for configuration management; introduced Puppet as configuration management solution.
  • Perform configuration management in coordination with security guidelines.
  • Implemented configuration management tool Puppet Enterprise.
  • Managed servers using Puppet configuration management.
  • Provided support, incident, change and configuration management for developers, end users, and customers.
  • Deployed Puppet, Puppet Dashboard, and PuppetDB for configuration management to existing infrastructure.
  • Worked with configuration management tools like puppet to configure UNIX and windows Systems.
  • Change and Configuration Management CCM.
  • Deployed Puppet for configuration management to existing infrastructure Used Puppet, Ansible to assist in building automation policies.
  • Worked on Puppet, Nagios, Spectrum, Cacti monitoring, configuration management softwares.

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45. Python

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low Demand
Here's how Python is used in Senior Linux Systems Administrator jobs:
  • Build release of Cloud based products containing Linux and Windows environments, using Python Scripting.
  • Used Python 3.0 for generating IP access frequency lists in different data logs.
  • Implemented Python scripts for active monitoring of applications and to raise automated tickets.
  • Utilized their python scripts and test platforms/interfaces (equivalent to LabView).
  • Experience in using Python wrappers / modules for various API.
  • Automated processes with custom built Python & Shell scripts.
  • Designed and developed components using Python, C++.
  • Experience in creating instances in AWS EC2 using Python Boto - 3 Library.
  • Performed QA testing ; wrote test scripts in Python/Unix Involves in weblogic stand alone and cluster solution with OHS.

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46. HA

demand arrow
low Demand
Here's how HA is used in Senior Linux Systems Administrator jobs:
  • Performed installations and configurations in RedHat 7.
  • Performed Mechanization Puppet and Chef.
  • Administer Samba to authenticate to Active Directory so all users have access to their home directories on Windows Clients.
  • Maintained systems that had to meet various state and federal guidelines (HIPAA, UMAX, CJIN).
  • Promoted from Chat Technician within 6 months, provided front line support for web hosting clients worldwide.
  • Provide reliable method of testing new projects and hardware configurations for planned upgrades to services and projects.
  • Provide recommendations for software and new technologies that would improve or enhance current and future projects.
  • Bring devices online and ensure old updates are processed and that the device is secure.
  • Experience in ITIL with Incident, Problem, Change, User support management.
  • Fix the networking issues globally that keep devices from becoming operational.
  • Included management of hardware and planning resources on the SAN.
  • Worked on opening/closing change controls in the BMC remedy.
  • Implemented ESX DRS and HA in three separate environments.
  • Scheduled downtime for production servers before implementing or executing any changes to production, Test & Dev servers.
  • Performed OS upgrades(Kernel Upgrades to SUSE 11/12 and Redhat 6.5) for critical servers under production.
  • Instituted an internal training program to increase and share knowledge amongst team members.
  • Worked on Dell M1000E Chasis/Blade Servers, half and full height models.
  • Have a working knowledge on using the Microsoft one note for documentation.
  • Have written DZDO rules for the unix servers.
  • Have worked on Centrify versions like 4.4.2-310, 5.0.2-409,5.1.3-482 and 5.2.3-429.

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47. Hp-Ux

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low Demand
Here's how Hp-Ux is used in Senior Linux Systems Administrator jobs:
  • Served as subject matter expert for different business accounts running Unix AIX or HP-UX operating systems.
  • Installed & configured HP-UX 10.23/11.00 with administration and troubleshooting.
  • Build Linux and HP-UX VMs as well as standalone system as needed.
  • Performed automated installations of Operating systems using Jumpstart, Flash Archive for Solaris and ignite for HP-UX.
  • Performed automated installations of Operating System using Jumpstart for Solaris, kickstart for Red Hat EnterpriseLinux and Ignite for HP-UX.

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48. ZFS

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low Demand
Here's how ZFS is used in Senior Linux Systems Administrator jobs:
  • Configure and manage SAN, ZFS, and other storage appliance, and Red Hat Storage.
  • Create and maintain Backup solution with Oracle ZFS on SuperMicro hardware.
  • Exported ZFS from local zones to local zones.
  • Migrated from UFS to ZFS file system.
  • Patched RHEL servers using patch cluster, yum repositories, and breaking root mirrors, created ABEs for ZFS 10.
  • Created Ext4 file system in Red Hat Enterprise Linux and Zeta byte file system (ZFS) in Solaris 10.
  • Installed and configured Solaris 10 servers with zones and containers on SUN M5000 & T2000 servers with SUN ZFS.
  • Worked on Solaris zones/containers, good understating of ZFS/SVCADM.
  • Created Zettabyte file system (ZFS) in Solaris 10.
  • Created zpool and zfs filesystems.
  • Installed and configured Solaris servers using Jumpstart, configured/maintained Zones, LDOMs, ZFS pools on Sun Solaris 10 Servers.
  • Support Veritas and ZFS filesystems Design and document REST/HTTP, SOAP APIs, including JSON data formats and API versioning strategy.

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49. CPU

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low Demand
Here's how CPU is used in Senior Linux Systems Administrator jobs:
  • Increased Memory/Paging/CPU for requested servers.
  • Maintained and monitoring System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
  • Modify the CPU and RAM settings on all Linux virtual machines per customer requirements in the JIRA task.
  • Used various commands to check the Performance of the system, load balances on the CPU and memory.
  • Handled Performance Monitoring in File system CPU, Memory and Process in all the UNIX Servers.
  • Managed Swap Space, Disk utilization and CPU utilization.
  • Replaced faulty - Disk, Power supply, CPU Fan, HBA cards.
  • Used Puppet for automations and scheduling automated jobs, Back end distributed Managed Swap Space, Disk utilization and CPU utilization.
  • space usage, CPU, memory).

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50. System Performance

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low Demand
Here's how System Performance is used in Senior Linux Systems Administrator jobs:
  • Streamlined data process and detected potential risk to enhance system performance and security.
  • Monitor backup processes and errors to ensure overall system performance and stability.
  • Implement and maintenance Backup/Storage solution by conferencing better system performance tuning.
  • Handled Kernel Tuning to provide operating system performance.
  • Worked on Analyze system performance, client to server traffic and server to server traffic.
  • Evaluated services levels of system performance on regular basis.
  • Experienced in troubleshooting, monitoring, system performance tuning and providing 24/7 technical support for multiple datacenters
  • Experience working on User admin groups, maintaining account and monitoring system performance using Nagios.
  • Monitor system performance using top, sar, iotop, iostat to ensure production jobs completed.

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Senior Linux Systems Administrator Jobs

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20 Most Common Skills For A Senior Linux Systems Administrator

Veritas

11.5%

Web Application

10.7%

Web Servers

6.6%

File System

6.1%

Solaris

5.3%

Red Hat

5.3%

Linux

4.9%

Vmware

4.9%

Unix

4.2%

SAN

4.2%

Rhel

4.1%

Disk

4.1%

OS

4.1%

Virtual Machines

4.0%

DNS

3.9%

NFS

3.7%

Puppet

3.6%

Tomcat

3.2%

Cloud

2.9%

Kernel

2.8%
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Typical Skill-Sets Required For A Senior Linux Systems Administrator

Rank Skill
1 Veritas 7.2%
2 Web Application 6.7%
3 Web Servers 4.1%
4 File System 3.8%
5 Solaris 3.3%
6 Red Hat 3.3%
7 Linux 3.1%
8 Vmware 3.0%
9 Unix 2.6%
10 SAN 2.6%
11 Rhel 2.6%
12 Disk 2.6%
13 OS 2.5%
14 Virtual Machines 2.5%
15 DNS 2.4%
16 NFS 2.3%
17 Puppet 2.2%
18 Tomcat 2.0%
19 Cloud 1.8%
20 Kernel 1.8%
21 Setup 1.8%
22 LVM 1.7%
23 Kickstart 1.7%
24 Centos 1.6%
25 Nagios 1.6%
26 EMC 1.6%
27 AIX 1.5%
28 NIS 1.5%
29 YUM 1.4%
30 Bash 1.4%
31 Mysql 1.4%
32 Jboss 1.4%
33 Perl 1.4%
34 Vsphere 1.3%
35 Ldap 1.2%
36 Websphere 1.2%
37 Cron Jobs 1.2%
38 Suse 1.2%
39 RPM 1.2%
40 AWS 1.2%
41 SSH 1.0%
42 VMS 1.0%
43 Production Environment 0.9%
44 Configuration Management 0.9%
45 Python 0.9%
46 HA 0.9%
47 Hp-Ux 0.8%
48 ZFS 0.8%
49 CPU 0.8%
50 System Performance 0.8%
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21,028 Senior Linux Systems Administrator Jobs

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