Sr. Principal Systems Engineer - Co-CLS SW Sustainment Integration Lead

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon.

We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Please note that this opportunity is contingent on program funding. Start dates are determined after funding confirmation.

Northrop Grumman Aeronautics Systems has an opening for Senior Principal Systems Engineer - Co-CLS Software Sustainment Integration Lead to join our team of qualified, diverse individuals within our Systems Engineering organization. This role is located in Rancho Bernardo, CA.

In this role as the Co‑CLS Software Sustainment Integration Lead, you will provide technical leadership for software sustainment integration activities on the RQ‑4 FMS program. You'll lead a team of integrators executing requirements tracing, RVT development and execution, and FMS SIL integration, while driving closure of software defects and managing the GHED backlog in coordination with CLS, software, and customer stakeholders.

Success in this role will require proficiency with data analysis and debugging
, including interpreting logs, telemetry, or test results. Additionally, success will require conveying strong written and verbal communication skills, including the ability to convey complex technical status and recommendations to leadership and stakeholders. You will need to work collaboratively across multi‑disciplinary teams in a fast‑paced sustainment environment.

• Lead a team of integrators performing software sustainment integration, verification, and field‑driven investigations for the RQ‑4 FMS program.
• Perform requirements tracing for defects
  , ensuring issues are clearly linked to system/segment requirements, design elements, and verification artifacts.
• Develop regression verification tests (RVTs) to validate defect fixes and prevent regression across software baselines.
• Perform debugging and execution of RVTs
  , including test planning, setup, execution, data review, and documentation of results.
• Support and coordinate integration activities within the FMS System Integration Lab (SIL), including integration of new software drops, configuration management, and test readiness.
• Groom and manage the GHED backlog by assessing priority, clarifying problem statements, and coordinating with software, CLS, and program leadership to ensure timely disposition.
• Provide clear, data‑driven technical recommendations and status to program management and customer stakeholders.
• Develop and maintain integration plans, test procedures, and technical documentation in support of audits, reviews, and configuration control.
• Mentor junior engineers and promote best practices in integration, test, and defect management.

• Must have a Bachelors of Science degree in a STEM field and at least 8 years of relevant military / professional experience, OR a Master's Degree in a STEM field and at least 6 years of relevant military / professional experience, OR a PhD and at least 4 years of relevant military / professional experience
• Experience leading small technical teams or acting as a technical…