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# Principal/Senior Principal Systems Test Engineer

- **Company:** Northrop Grumman
- **Location:** San Diego, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Systems Engineering, Internet Control Message Protocol, SAP (Applications), Software Engineering, System Testing, Transmission Control Protocol (TCP), Wireshark, Reliability of Systems, SC Clearance, Integration Tests
- **Published:** August 9, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/principal-senior-principal-systems-test-engineer-san-diego-ca-usa-58871133

## About the Role

seek opportunities for process improvement * Present test integration and results to program and test leadership at reviews * Utilize Wireshark/TCP/ICMP/Netstat to evaluate systems * Report, track, and troubleshoot Air and Ground system discrepancies Tasks * BS in a STEM discipline with 5 years of related experience, OR MS with 3 years, OR PhD with 1 year (Principal) * BS in a STEM discipline with 9 years of related experience, OR MS with 7 years, OR PhD with 4 years (Senior Principal) * Active US Government Secret clearance (or within VIAs) and ability to obtain SAP clearance and Top Secret clearance * Extensive experience in Test Program Execution * Experience with hot bench and lab operations; system/test, software development and/or systems engineering * Understanding of software development lifecycle and agile methodologies Key requirements * flexible work arrangements * 9/80 schedule with every other Friday off * learning opportunities * exposure to a wide variety of
projects and customers * friendly team environment * health insurance coverage

## Description

Experteer Overview In this role you drive end-to-end system validation for the Triton program, ensuring first-time quality and rigorous engineering discipline. You'll work within a multidisciplinary team to improve user experience through robust testing and analysis. You'll balance independent delivery with cross-functional collaboration, applying formal test methods in a fast-paced defense environment. Your work directly impacts mission readiness and system reliability, with opportunities to shape testing practices and process improvements. This role offers a chance to contribute to high-impact programs in a supportive, mission-driven culture. Compensation / Benefits * Develop and execute automated and manual test cases to verify system functional requirements * Create robust nominal and off-nominal test cases aimed at improving user experience * Work independently to meet deadlines across multiple projects * Support weekends, multiple shifts, and off hours as needed * Proactively seek opportunities for process improvement * Present test integration and results to program and test leadership at reviews * Utilize Wireshark/TCP/ICMP/Netstat to evaluate systems * Report, track, and troubleshoot Air and Ground system discrepancies Tasks * BS in a STEM discipline with 5 years of related experience, OR MS with 3 years, OR PhD with 1 year (Principal) * BS in a STEM discipline with 9 years of related experience, OR MS with 7 years, OR PhD with 4 years (Senior Principal) * Active US Government Secret clearance (or within VIAs) and ability to obtain SAP clearance and Top Secret clearance * Extensive experience in Test Program Execution * Experience with hot bench and lab operations; system/test, software development and/or systems engineering * Understanding of software development lifecycle and agile methodologies Key requirements * flexible work arrangements * 9/80 schedule with every other Friday off * learning opportunities * exposure to a wide variety of projects and customers * friendly team environment * health insurance coverage


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