Cyber Software Test Engineer
Peraton
Herndon, VA · Posted October 26, 2026
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Where Herndon, VA ranks
Where Herndon, VA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #2Best cities for pay after cost of living in Virginia$161k · of 15
- #3Best cities for pay after cost of living in the Southeast$161k · of 33
- #3Best all-round cities for AI careers in the Mid-Atlantic86 / 100 · of 37
- #4Best cities for pay after cost of living in the Mid-Atlantic$161k · of 37
- #4Best cities for software and engineering jobs in the Mid-Atlantic441 openings · of 68
- #4Best all-round cities for mid-career professionals in the Mid-Atlantic76 / 100 · of 37
Rankings about security jobs
- Best cities for security jobs #1 San Francisco (316 openings)
- Best cities for security pay after cost of living #1 San Mateo ($241k)
- Most requested AI skills in security jobs #1 AI tools in daily work (10.8%)
- Employers with the most security jobs #1 Amazon (318 roles)
How AI is used in this kind of work
Among computer occupations, all other, AI is already used for a large share of the tasks. Measured exposure for computer occupations, all other: 31% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Peraton has filed 3 layoff notices in the last twelve months, covering 133 workers, most recently October 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
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About the job
Peraton Overview
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.
Responsibilities
Cyber Software Test Engineer
Peraton’s Space & Intelligence Sector is looking for an experienced Automated Software Test Engineer to design, implement, and maintain automated testing frameworks that ensure the quality and reliability of our software products. The ideal candidate has a strong background in automated test development, continuous integration workflows, and modern testing tools.
This role will support ongoing development efforts by creating scalable test solutions, improving test coverage, and contributing to overall software quality throughout the SDLC. This position is 100% onsite working in our Herndon SCIF.
Responsibilities:
Develop, maintain, and enhance automated test scripts for functional, regression, integration, and performance testing.
Design and implement scalable automated test frameworks and harnesses.
Collaborate closely with developers to identify testing needs and ensure comprehensive test coverage.
Integrate automated tests into CI/CD pipelines (e.g., Jenkins, GitLab CI, Azure DevOps).
Analyze test results, troubleshoot failures, and document defects with clear and actionable detail.
Support manual testing when needed and help define overall QA best practices.
Contribute to requirement reviews, design discussions, and sprint planning when necessary.
Qualifications
Required Qualifications:
Bachelor’s degree with 8 years of relevant experience OR a Master’s degree with 6 years of relevant experience; An additional 4 years of experience considered in lieu of a degree requirement
Active TS/SCI clearance with poloygraph
Extensive experience with automated software testing
Experience with automated test tools such as Robot Framework, Selenium, JMeter, SoapUI, or Junit.
Experience documenting test plans/procedures.
Experience maintaining and enhancing existing automated software testing scripts
Experience in an Agile software development environment utilizing Python
Strong analytical, debugging, and problem‑solving skills.
Preferred Qualifications
Software development experience in a virtual environment like AWS
Experience working with developers to ensure test coverage and quality gates.
Experience with Jenkins, and Gitlab
Target Salary Range $112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
Benefits Statement
Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.
Application Statements The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate’s own.
EEO EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.