Test Engineer Advisor - Herndon, VA - TS/SCI with poly

Seize your opportunity to make a personal impact as a Test Engineer Principal supporting our client’s mission.  GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.

At GDIT, people are our differentiators. As a Test Engineer Principal you will help ensure today is safe and tomorrow is smarter. Our work depends on Test Engineer Advisor joining our team to design, develop tests and testing requirements for our client’s systems, software, and related technologies to detect issues and ensure high quality.

GDIT is seeking a highly skilled and experienced Test Engineer Principal to join a classified government project. The ideal candidate will be an expert in testing complex, mission-critical systems, with a strong background in cybersecurity, cross-domain solutions, and waveform messaging. The candidate will be responsible for designing, developing, and executing comprehensive test plans to ensure the reliability, security, and performance of our systems.

Responsibilities:

• Develop and implement test strategies, plans, and procedures for highly complex systems in a classified environment.
• Conduct end-to-end testing of cross-domain solutions (CDS) to ensure secure data transfer and compliance with strict security policies.
• Perform rigorous cybersecurity testing, including vulnerability scanning, penetration testing, and security control validation.
• Test waveform messaging systems and signal processing applications to verify data integrity, latency, and performance.
• Automate test cases and develop test harnesses to improve efficiency and repeatability.
• Collaborate with software developers, systems engineers, and project managers to identify and resolve issues.
• Document test results, generate reports, and provide clear and concise feedback on system readiness.
• Maintain an expert understanding of IC regulations and security protocols.

Required Skills:

• Active TS/SCI with CI Poly clearance
• Bachelor's degree in Computer Science, Electrical Engineering, or a related field  (or equivalent experience).
• 8+ years of professional experience in software or systems testing.
• Demonstrated expertise in testing cross-domain solutions (CDS) and an understanding of their architecture and security requirements.
• Extensive experience with cybersecurity testing tools and methodologies.
• Solid background in testing waveform messaging systems and signal processing applications.
• Proficiency in test automation frameworks and scripting languages (e.g., Python, Bash).
• Experience with testing tools such as JIRA, Git, and various network analysis tools.
• Experience in an agile development environment.
• Strong analytical skills and a meticulous attention to detail.
• Excellent communication and technical writing skills.

Preferred Skills:

• Experience with hardware-in-the-loop (HIL) testing.
• Knowledge of specific waveform protocols and their transport layers.
• Certifications such as CISSP, Security+, or relevant vendor-specific certifications.

GDIT IS YOUR PLACE:
● 401K with company match
● Comprehensive health and wellness packages
● Internal mobility team dedicated to helping you own your career
● Professional growth opportunities including paid education and certifications
● Cutting-edge technology you can learn from
● Rest and recharge with paid vacation and holidays.