Software System Test Engineer

TSC; Arlington (VA); On-site; USD 120,000 - 150,000; Full time

Job summary

TSC is seeking a Software System Test Engineer to join our Product Solutions team in Arlington, VA (also in Aurora, CO; Huntsville, AL; Bedminster, NJ). You will develop and execute test strategies for embedded software, collaborate across software/hardware teams, and drive quality from development through release.

The ideal candidate has 5–7 years in software/system testing, strong Python/Bash scripting, Linux experience, and the ability to obtain DoD clearance.

Qualifications

• BS in Computer Science, Computer Engineering, or related technical field.
• 5-7 years of professional software/system testing experience, embedded systems preferred.
• Strong in developing and executing system test cases for embedded software.
• Experience with Linux-based embedded systems and network testing.
• Solid understanding of IP networking fundamentals and protocol testing.
• Proficient in Python and Bash scripting for test automation.
• Proficient in Git and CI workflows.
• U.S. Citizenship is required and ability to obtain DoD Secret Clearance.

Responsibilities

• Develop and maintain automated and manual test frameworks for embedded software.
• Collaborate with software and hardware teams to define test requirements and strategies.
• Perform integration, regression, and performance testing across platforms.
• Analyze results, identify root causes, and drive resolution with developers.
• Mentor junior test engineers and provide technical guidance.
• Document test plans, procedures, and results for internal and customer deliverables.
• Support software release management by validating deliverables and quality.
• Utilize Python and Bash for test automation and data analysis.

Skills

Embedded testing

Python

Bash scripting

Git

CI workflows

Linux

Networking basics

Test automation

Education

BS in Computer Science or Computer Engineering

Tools

Git

CI/CD

Automation frameworks

Job description

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.

Required Qualifications

• 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.

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.