Software test engineer jobs in Johnson City, TN

SimVentions, consistently voted one Virginia's Best Places to Work, is looking for an experienced professional to join our team! As a Red Team Penetration Tester IV, you will be responsible for leading and executing complex penetration testing events and conducting offensive cybersecurity operations for the U.S. Government and DoD systems. You will work collaboratively with Blue Team and Cybersecurity professionals to enhance overall cyber posture. ** Position is contingent upon award of contract, anticipated in December of 2025. ** Clearance: An ACTIVE Top Secret/SCI eligible clearance (IT Level I Tier 5 / Special-Sensitive Position) is required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance. Requirements: In-depth understanding of computer security, military system specifications, and DoD cybersecurity policies Strong ability to communicate clearly and succinctly in written and oral presentations Must possess one or more of the following DoD 8570.01-M CSSP Auditor certifications: CEH CySA+ CISA GSNA CFR PenTest+ Must possess Offensive Security Certified Professional (OSCP) certification Must possess one or more of the following certifications: Offensive Security Certified Expert (OSCE) Offensive Security Exploitation Expert (OSEE) Offensive Security Wireless Professional (OSWP) Responsibilities: Develop, modify, and utilize offensive security tools such as Metasploit, NMAP, Kali Linux, and Cobalt Strike Mimic threat actor behavior using TTPs aligned with frameworks like MITRE ATT&CK Conduct assessments across multiple operating systems including Linux, Windows, and mac OS Perform exploit development and identify zero-day or previously unknown vulnerabilities Analyze, identify, and remediate gaps in offensive tools and development techniques Perform development with at least two scripting or programming languages (Python, C++, Java, Rust, Assembly, C#, etc.) in support of exploit development Preferred Skills and Experience: Ten (10) years of full-time professional experience conducting penetration testing and/or offensive Cyber operations including demonstrated experience in each of the following areas: Developing and utilizing penetration tools such as Metasploit, NMAP, Kali Linux, Cobalt Strike Mimicking threat behavior and adversary emulation Utilizing various operating systems (Linux, Windows, MAC OS) Utilizing Active Directory Performing exploit development Identifying gaps in tools and development techniques Performing development with at least two scripting or programming languages (python, C++, Java, Rust, Assembly, C#, etc.) Education: Bachelor of Science in Information Systems, Bachelor of Science in Information Technology, Bachelor of Science in Computer Science, or Bachelor of Science in Computer Engineering Compensation: Compensation at SimVentions is determined by a number of factors, including, but not limited to, the candidate's experience, education, training, security clearance, work location, skills, knowledge, and competencies, as well as alignment with our corporate compensation plan and contract specific requirements. The projected annual compensation range for this position is $120,000 - $180,000 (USD). This estimate reflects the standard salary range for this position and is just one component of the total compensation package that SimVentions offers. Benefits: At SimVentions, we're committed to supporting the total well-being of our employees and their families. Our benefit offerings include comprehensive health and welfare plans to serve a variety of needs. We offer: Medical, dental, vision, and prescription drug coverage Employee Stock Ownership Plan (ESOP) Competitive 401(k) programs Retirement and Financial Counselors Health Savings and Health Reimbursement Accounts Flexible Spending Accounts Life insurance, short- & long-term disability Continuing Education Assistance Paid Time Off, Paid Holidays, Paid Leave (e.g., Maternity, Paternity, Jury Duty, Bereavement, Military) Third Party Employee Assistance Program that offers emotional and lifestyle well-being services, to include free counseling Supplemental Benefit Program Why Work for SimVentions?: SimVentions is about more than just being a place to work with other growth-orientated technically exceptional experts. It's also a fun place to work. Our family-friendly atmosphere encourages our employee-owners to imagine, create, explore, discover, and do great things together. Support Our Warfighters SimVentions is a proud supporter of the U.S. military, and we take pride in our ability to provide relevant, game-changing solutions to our armed men and women around the world. Drive Customer Success We deliver innovative products and solutions that go beyond the expected. This means you can expect to work with a team that will allow you to grow, have a voice, and make an impact. Get Involved in Giving Back We believe a well-rounded company starts with well-rounded employees, which is why we offer diverse service opportunities for our team throughout the year. Build Innovative Technology SimVentions takes pride in its innovative and cutting-edge technology, so you can be sure that whatever project you work on, you will be having a direct impact on our customer's success. Work with Brilliant People We don't just hire the smartest people; we seek experienced, creative individuals who are passionate about their work and thrive in our unique culture. Create Meaningful Solutions We are trusted partners with our customers and are provided challenging and meaningful requirements to help them solve. Employees who join SimVentions will enjoy additional perks like: Employee Ownership: Work with the best and help build YOUR company! Family focus: Work for a team that recognizes the importance of family time. Culture: Add to our culture of technical excellence and collaboration. Dress code: Business casual, we like to be comfortable while we work. Resources: Excellent facilities, tools, and training opportunities to grow in your field. Open communication: Work in an environment where your voice matters. Corporate Fellowship: Opportunities to participate in company sports teams and employee-led interest groups for personal and professional development. Employee Appreciation: Multiple corporate events throughout the year, including Holiday Events, Company Picnic, Imagineering Day, and more. Founding Partner of the FredNats Baseball team: Equitable distribution of tickets for every home game to be enjoyed by our employee-owners and their families from our private suite. Food: We have a lot of food around here! FTAC