Software Test Engineer (Active TS/SCI Clearance with FS Polygraph)

J&T Business Consulting; New York (NY); On-site; USD 110,000 - 133,000; Full time

Job summary

J&T Business Consulting in Columbia, MD is seeking an experienced Software Test Engineer (Level 2) with active TS/SCI clearance to support full-life cycle software testing for mission-critical systems. You will design test plans, develop automated test suites in Python, execute I&T, performance, and security tests on Linux and Windows, and collaborate with development teams to resolve defects.

The role requires a CS degree with several years of experience or an advanced degree with experience,

Qualifications

• Bachelor’s degree in Computer Science or related field 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 related field 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).

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 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.

Skills

Software Test Engineering

Team collaboration

Education

Bachelor's degree in Computer Science

Master's degree in Computer Science

10 years of experience without a degree

Tools

Python

Automation frameworks

Job description

Software Test Engineer (Active TS/SCI Clearance with FS Polygraph)

Columbia, United States | Posted on 09/18/2026

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-life cycle 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

• 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.