Software System Test Engineer with Security Clearance

TSC’s Product Solutions organization is seeking a Software System Test Engineer to join our engineering team in Aurora, CO; Huntsville, AL; Arlington, VA; or Bedminster, NJ. The ideal candidate will have a strong background in software testing, a passion for problem-solving, and the ability to work collaboratively. Responsibilities

• Develop and maintain automated and manual test frameworks for embedded software.
• Collaborate with software and hardware engineering teams to define test requirements and strategies.
• Perform integration, regression, and performance testing across multiple platforms and environments.
• Analyze test results, identify root causes of issues, and drive resolution with development teams.
• Mentor junior test engineers and provide technical guidance throughout the testing lifecycle.
• Document test plans, procedures, and results for internal and customer deliverables.
• Support software release management by validating deliverables and ensuring quality standards.
• Utilize scripting tools (Python, Bash) for test automation and data analysis.

• Bachelor of Science (BS) in Computer Science, Computer Engineering, or related technical field.
• 5-7 years of professional experience in software/system testing, preferably for embedded systems.
• Strong proficiency in developing and executing system test cases for embedded software.
• Experience with Linux-based embedded systems and network communication testing.
• Solid understanding of IP networking fundamentals and protocol testing/debugging.
• Proficient in test automation using scripting languages (Python, Bash).
• Proficient in Git source control and CI workflows.
• U.S. Citizenship is required.
• Ability to obtain and maintain a DoD Secret Clearance.

Preferred Qualifications

• Experience with automated builds, test execution, artifact management, and deployment pipelines.
• Experience with hardware-in-the-loop (HIL) and system integration testing.
• Experience testing radar, SIGINT, EW, autopilot, PNT/guidance, or unmanned systems.
• Experience with RF signal chain testing (mixing, filtering, up/down conversion). TSC Benefits and Application Information TSC offers a stable work environment, competitive compensation, and a comprehensive benefits package.
• Employee Ownership (ESOP): As an employee-owned company, every employee contributes to, and benefits from, our success through our ESOP retirement plan. This fosters a culture of collective responsibility, transparency, and long-term commitment.
• Other Benefits: 401(k) plan, Flexible Work Schedules, Tuition Reimbursement, Co-Sponsored Health Plan, and Paid Leave.

Applying to TSC: Only those candidates invited for an interview will be contacted. Employment at TSC is contingent upon the successful completion of a comprehensive background check, security investigation, and drug screening. This contractor and subcontractor shall abide by the requirements of 41 CFR 60–1.4(a), 60–300.5(a) and 60–741.5(a).

These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities, and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity, national origin, or for inquiring about, discussing, or disclosing information about compensation.

Moreover, these regulations require that covered prime contractors and subcontractors take affirmative action to employ and advance in employment individuals without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

About Us Headquartered in Arlington, Virginia, TSC is an employee-owned company that has been providing high-quality technical services and solutions for our customers’ for over 50 years.   Our diverse portfolio includes providing; Airborne Sensors and Intelligence, Surveillance, and Reconnaissance (ISR); Electronic Warfare Systems; Air and Missile Defense; Space Systems, and Intelligence and Information Systems.   TSC offers a professional working environment, a competitive salary, and an excellent benefits package.  Come and join our team!