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Test Systems Engineer Security Clearance

Job in Saint Louis, St. Louis city, Missouri, 63101, USA
Listing for: Peraton
Full Time position
Listed on 2026-06-13
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 86000 - 138000 USD Yearly USD 86000.00 138000.00 YEAR
Job Description & How to Apply Below
Position: Test Systems Engineer with Security Clearance
About Peraton 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 solve the most daunting challenges that our customers face. Visit  to learn how we're keeping people around the world safe and secure. Program Overview Engineering modernization and integration practices to include Digital Engineering and Agile at Scale for all of NGA, NSG, and ASG.

About

The Role Overall Assignment

Description:

Mid-level Test Systems Engineers perform Application, System and Integration Testing across the National System of Geospatial-intelligence (NSG), Allied System of Geospatial-intelligence (ASG) and Federal Agencies to ensure timely and accurate GEOINT.

Duties include:

* Performs test and evaluation across the National System of Geospatial-intelligence (NSG), Allied System of Geospatial-intelligence (ASG) and Federal Agencies.

* Performs testing of applications and application programming interfaces (APIs) in Dev Ops pipelines utilizing quality assurance measures established by the government and industry best practices.
* Performs independent integration testing on the system software or hardware to determine the system's compliance with specified requirements.
* Plans and executes manual tests, and automated test scripts using scripting and programming languages.
* Supports technical investigations for defects discovered during test activities.
Qualifications

Required:

* Bachelor's degree or higher in Engineering, Computer Science, Information Technology, Management Information Systems, or related STEM degree program, or 6+ years of experience as a Test Systems Engineer.

* 6+ years of test management and defect tracking tools.
* Experience with traditional, Agile, and Dev Ops development practices and associated testing strategies.

* TS/SCI clearance adjudication or ability to obtain SCI and pass a polygraph

Desired:
* Master's degree in Computer Science, Information Technology, Management Information Systems, or related STEM degree program.
* Experience with three or more of the following; JMeterand, Jenkins, Docker, Postman, Swagger, Nexus, Apigee or Git Hub/Git Lab (or equivalent software packages), Java, Bash, Curl, XML, JSON, SQL, Python, Java script, and AWS and C2S.
* Working knowledge of Model Based Systems Engineering, processes, tools and languages.

* Working knowledge of Software Development Frameworks.
Details Target Salary Range: $86,000 - $138,000. 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  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.

EEO:

Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
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