Software Test Engineer; TS​/SCI Clearance FS Polygraph

Columbia, United States | Posted on 10/16/2026

Position: Software Test Engineer – Level 2

Location: Columbia, MD

Employment Type: Full-Time

Clearance Requirement: Active TS/SCI with Polygraph

Salary Range: $110,000 – $133,000 / year (dependent on experience, education, and skill set)

About the Role

Seeking experienced Software Test Engineers (Level
2) to support full-lifecycle software testing, automated test framework development, and system integration for mission-critical systems in Columbia, MD.

In this role, you will design, develop, and maintain comprehensive test plans, automated test suites, and dedicated test environments. You will execute integration, acceptance, performance, and security testing across Linux and Windows operating environments, validate complex data and user interfaces, and collaborate closely with development teams to identify, track, and resolve software problem reports.

Key Responsibilities

Design, build, execute, and maintain test plans, test cases, automated test suites, and testing workflows.

Provision, configure, and maintain dedicated test environments and automated software testing infrastructure.

Perform Integration & Testing (I&T) and Acceptance Testing activities to ensure adherence to functional and design requirements.

Develop automated test scripts and capabilities using Python.

Execute performance, load, stress, interface, and security testing, leveraging code coverage tools to ensure software quality.

Configure, troubleshoot, and maintain Linux (UNIX) and Windows operating systems, test applications, and connected network devices.

Document detailed test results, log software discrepancy reports, and track issue remediations through full verification.

Support hardware problem dispatch and troubleshooting workflows within test lab environments.

Required Qualifications & Experience

Security Clearance: Active TS/SCI with a current Polygraph.

Experience &

Education:

Bachelor’s degree in Computer Science or a related discipline from an accredited institution plus at least 6 years of Software Test Engineering experience on programs of similar scope and complexity, OR

Master’s degree in Computer Science or a related discipline plus at least 4 years of Software Test Engineering experience (Master's degree substituting for 2 years of experience), OR

10 years of relevant Software Test Engineering experience without a degree (4 additional years substituting for the degree).

Test Domains: Demonstrated experience in at least four (4) of the following areas:

Performance, load, and stress testing

Data interface testing

Security testing

Code coverage tools and analysis

Systems integration testing

Operating Systems & Environment: Hands-on experience installing, configuring, managing, and troubleshooting software on Linux and Windows platforms.

Benefits & Compensation

This position offers a comprehensive benefits package designed to support employees both personally and professionally:

Comprehensive Health, Dental, and Vision Insurance

Basic Life and Disability Insurance

Paid Time Off (PTO) and Paid Holidays

401(k) Retirement Plan with Company Match

Tuition Reimbursement for ongoing education and professional development

An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected under federal, state, or local law.