Sentinel - Systems​/Principal Systems Engineer

Role Summary

Systems Engineer or Principal Systems Engineer for the Sentinel (GBSD) program. The position is located in Roy, UT or Huntsville, AL and supports the Air Force’s sustainment, development, production, and deployment of ICBM ground and airborne launch control systems.

Relocation assistance may be available.

Secret clearance required for start. Must be a US citizen with an active DoD Secret clearance investigation within the last 6 years.

Travel up to 10% of time.

• Model‑Based Systems Engineering (MBSE), development of requirements and multiple system engineering models.
• Coordinate and collaborate with System Engineering and Command & Launch Segment System Engineering teams.
• Support system, segment, element, and unit‑level trade studies.
• Define high‑level functional and performance requirements, verification methods, and perform analysis, decomposition, and derivation of requirements; allocate lower‑level requirements to architectural elements and track them through design, verification, integration, and operational validation.
• Lead the creation, maturation, and presentation of comprehensive technical charts for milestone meetings, demonstrating team readiness.
• Identify required contractual deliverables and non‑contractual documentation, driving updates to closure.
• Coordinate and collaborate with diverse engineering design teams to manage the technical baseline.

• Bachelor of Science in a STEM discipline and 2 years of relevant experience (or 0 years with a master’s degree).
• US citizen with an active DoD Secret clearance and investigative date within the last 6 years.
• Successful security clearance screening for Enhanced Security Clearances.
• 1+ year experience developing or reviewing requirements in DOORS or a similar tool.
• 1+ year experience in ICBM (MMIII or Sentinel) or complex aerospace/defense systems.

• Bachelor’s degree in STEM with 5 years of experience; or 3 years of experience with a Master’s degree; or 1 year of experience with a PhD. Management experience can be considered in lieu of a degree.
• US citizen with an active DoD Secret clearance and investigation within the last 6 years.
• Successful security clearance screening for Enhanced Security Clearances.
• 2 years experience developing or reviewing requirements in DOORS or a similar tool.
• 2 years experience in ICBM (MMIII or Sentinel) or complex aerospace/defense systems.

• Understanding of the Systems Engineering V‑Model.
• Experience with requirements management tools such as DOORS.
• Experience with SysML or UPDM modeling languages.
• Proficiency with DoDAF, UAF, or other modeling frameworks.
• Experience modeling with Cameo Enterprise Architecture, Magic Draw (No Magic, Inc.) or other architecture modeling tools.
• Experience using tools to model large systems with multiple developers.
• Experience in software and/or hardware design.
• Experience in documenting Interface Control Documents, Interface Requirement Specifications, and Interface Description Documents.
• Experience in the military aerospace development environment.
• Experience with weapon systems.
• Experience exporting documentation from a model‑based environment.
• Experience with Agile Development.
• Experience with ICBM weapon system sustainment engineering and integration.
• Experience with complex system development on large programs.

• Medical, Dental & Vision coverage.
• 401(k).
• Educational Assistance.
• Life Insurance.
• Employee Assistance Programs & Work/Life Solutions.
• Paid Time Off.
• Health & Wellness Resources.
• Employee Discounts.

Primary Level: $79,300 – $131,400.
Secondary Level: $98,400 – $163,200.

9/80 schedule: 9‑hour days Monday‑Thursday, every other Friday off.

Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit  U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.