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Etl consultant skills for your resume and career

Updated January 8, 2025

5 min read

Quoted expert

Michael Munger

Below we've compiled a list of the most critical etl consultant skills. We ranked the top skills for etl consultants based on the percentage of resumes they appeared on. For example, 6.3% of etl consultant resumes contained data flow as a skill. Continue reading to find out what skills an etl consultant needs to be successful in the workplace.

15 etl consultant skills for your resume and career

1. Data Flow

Here's how etl consultants use data flow:

Involved in User Acceptance Testing to check data flow and load is expected according to the user requirements.
Prepare Process flow documentation for Project as supporting document where high level of data flow is defined.

2. Informatica Powercenter

Here's how etl consultants use informatica powercenter:

Automated Informatica PowerCenter objects deployment process using Shell and Perl Scripts.
Implemented Change Requests in Informatica PowerCenter across all regions (DEV, TST, STG and PRD).

3. Unix

UNIX is a computer operating system that was first created in the 1960s and has been constantly updated since then. The operating system refers to the set of programs that enable a machine to function. It is a multi-user, multi-tasking device that works on computers, laptops, and servers. UNIX systems also have a graphical user interface (GUI), similar to Microsoft Windows, that makes it simple to use.

Here's how etl consultants use unix:

Design and develop programs using Ab-Initio, SQL, Shell Scripting, Java, oracle, SAS on UNIX environment.
Scheduled daily and weekly jobs using Unix shell script and Control M and provided production support.

4. Extract Data

Here's how etl consultants use extract data:

Used DataStage as an ETL tool to extract data from heterogeneous sources systems, loaded the data into the ORACLE database.
Create ETL code to extract data from MQ message queue and load into data warehouse through multiple data layers.

5. PL/SQL

Here's how etl consultants use pl/sql:

Worked on data conversions and data loads using PL/SQL; created measure objects, aggregations, and stored in MOLAP mode.
Created Cursors, functions stored procedures, packages, triggers, views, materialized views using PL/SQL programming.

6. Data Warehouse

Data warehouse, often abbreviated as either DW or DWH is a system used in computing for data analysis as well reporting. The DW is also considered to be an integral component of business intelligence as they also provide storage facilities for both real-time and historical data. ETL and ELT are the two driving forces behind a data warehouse system.

Here's how etl consultants use data warehouse:

Created the Enterprise Data Warehouse Data Migration ETL design document utilizing WebSphere DataStage and QualityStage.
Designed Data warehouse target tables by using Dimensional Modeling Techniques.

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7. SQL Server

Here's how etl consultants use sql server:

Used the SSIS Import/Export, migrated the Database such as Oracle and Access database, flat files to SQL server 2008.
Converted complex SQL server stored procedures to NETEZZA to run and compare the run times as proof of concept of NETEZZA.

8. Repository

Here's how etl consultants use repository:

Used DataStage Manager for importing metadata into repository and also used for importing and exporting jobs into different projects.
Used DataStage Manager for importing metadata in to repository using OCI plugin.

9. Toad

Toad is software that manages non-relational and relational databases that database analysts, developers, and database administrators use. Toad helps in minimizing the cuts in delivery timelines of projects. It also helps in maximizing the investment made by users in the field of data technology by automating all the processes.

Here's how etl consultants use toad:

Maintained database activities regularly using Toad and also trouble-shouted several issues with Toad.
Used Toad extensively for query optimization.

10. Windows XP

Here's how etl consultants use windows xp:

Experience in usage of Operating Systems such as UNIX, WINDOWS XP/NT/2000/98/95.
Prepared a production monitoring and support handbook Environment: Informatica power center 6.1/7.1, Oracle, windows XP, MS office Suite

11. Source Systems

Here's how etl consultants use source systems:

Performed the data validation in the target and the source systems and made sure that there were no data quality issues.
Worked on knowledge acquisition tasks to capture and document information on various source systems and logical/physical models for Enterprise DW.

12. DB2

The DB2, known as the Relational Database Management System, is a type of procedure developed by IBM to run and operate software applications such as Windows, Unix, and the Linux System. This type of system is designed mainly for IBM but was innovated to run in various operating systems. The main feature of the DB2 is to handle and manage a big chunk of data while allowing the users to enter the database engine without any problem.

Here's how etl consultants use db2:

Staged in a DB2 database for delivery to downstream systems on the mainframe for further processing.
Involved in writing the DB2 SQL queries make the performance in the query level.

13. Extraction

Here's how etl consultants use extraction:

Performed Data validations based on transformations, lineage and extraction.
Used ORACLE connector, Enterprise, sequential file stage for extraction, transformation and loading of the data.

14. Test Cases

Here's how etl consultants use test cases:

Involved in writing test cases and unit testing; worked with QA team to resolve any QA or UAT issues.
Created effective test data and unit test cases to ensure the successful execution of the data loading processes.

15. Teradata

Here's how etl consultants use teradata:

Implemented various Teradata Manager Alerts.
Implemented Teradata column partition change to align base tables in DTS database to reporting needs in the DTS database.

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Michael Munger

Director of Undergraduate Studies, Director, PPE Program, Duke University

Political Science students should take at least one Computer Science class, be able to run a spreadsheet with skill, and be able to write crisp prose that gets to the point.

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List of etl consultant skills to add to your resume

The most important skills for an etl consultant resume and required skills for an etl consultant to have include:

Data Flow
Informatica Powercenter
Unix
Extract Data
PL/SQL
Data Warehouse
SQL Server
Repository
Toad
Windows XP
Source Systems
DB2
Extraction
Test Cases
Teradata
Aggregator
Business Rules

Data Quality
UAT
DataStage
Metadata
Source Data
XML
Informatica Mappings
Data Analysis
Oracle 10G
Ssis
QA
BI
Business Analysts
Schema
Fact Tables
Load Data
Data Models

SQL Loader
Oracle Sql
Source Qualifier
Production Environment
Business Logic
DEV
EDW
Oracle 11G
Data Marts
Data Warehousing
Debuggers
Mainframe
User Acceptance
Sequence Generator
Linux
Technical Specifications

Updated January 8, 2025

Zippia Team

Editorial Staff

The Zippia Research Team has spent countless hours reviewing resumes, job postings, and government data to determine what goes into getting a job in each phase of life. Professional writers and data scientists comprise the Zippia Research Team.

Updated January 8, 2025

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