Software Test & Evaluation Engineer

Leidos has a new and exciting opportunity for a Software Test & Evaluation Engineerin our Intel Sector.  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Join us and make a difference in National Security!  

Job Summary:

Seeking an experienced software test engineer to develop and conduct tests of software systems to evaluate compliance with specifications, requirements, and cybersecurity standards. The candidate will be able to analyze test results, identify defects/vulnerabilities, and report findings to support acceptance, risk mitigation, and mission assurance.

Job Responsibilities/Qualifications:

• Mission Focus: Work directly with government customer as well as a team of software engineers and systems engineers to integrate testing into the software development lifecycle (SDLC) within classified DoD programs. Execute functional, performance, regression, security, and integration testing; document defects and verify test resolutions.
• Technical Proficiency: Demonstrated experience in planning and executing test cases, scripts, and procedures for complex software systems. Proven track record with software testing, and quality assurance. Strong understanding of cybersecurity principles, secure software testing practices and DoD standards (RMF, NIST). Candidate will analyze reports, test results, including risk assessments, compliance evaluations and recommendations for software improvements or acceptance. Proficient with test tools such as Selenium and JUnit. Knowledge of embedded systems architectures and test experience using embedded systems
• Qualifications: Bachelor's degree in technical discipline plus eight (8) years of relevant software testing experience.
• Programming background in C/C++ and Python.
• Experience with Git, GitLab, and Jenkins.
• Experience working in an Agile environment, Agile Development/Agile Process Experience.
• Demonstrated experience developing or specifying standards, methods, or procedures to determine product quality or release readiness.
• Demonstrated experience using automated testing tools.
• Security Clearance: Must possess an active TS/SCI with Polygraph to be considered for this role.
• Desirable Skills: Experience with automated testing frameworks. Familiarity with software development methodologies (e.g., Agile, DevSecOps), and testing within the DoD environment.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today!

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If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

September 29, 2026

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.