Sentinel STPA-Sec Systems Engineer​/Principal Systems Engineer

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact peoples’ 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.

Northrop Grumman Defense Systems is seeking to hire a System‑Theoretic Process Analysis for Security (STPA‑Sec) Engineer (Level 2 or Level 3) to join the Sentinel Mission Defense Team (MDT) at Roy, UT. The position integrates traditional Systems Engineering skills with holistic system analysis to identify potential security, safety, and availability features using STPA, NIST, ISO, MBSE, and other industry frameworks.

Relocation assistance may be available.

Secret.

Yes, 10 % of the time.

• Combine traditional Systems Engineering principles with a holistic system‑analysis approach to uncover potential security, safety, and availability features using the STPA handbook guidelines and MBSE workspace.
• Generate structured requirements, decomposition strategies, and mitigations within STPA principles.
• Understand and decompose systems to identify causal scenarios; construct control structures and identify unsafe control actions.
• Assess and analyze threats, vulnerabilities, and risk for identified mission‑critical functions and critical components.
• Lead and execute completion of Statement of Work requirements, Program Milestone Exit Criteria, and program maturity commitments.
• Lead in a variety of working groups and customer meetings; ensure communication of risk environment with stakeholders.
• Take initiative to act without prompting from supervisors.
• Support MDT with other duties as assigned.

• Level 2 Basic Qualifications:
  • Bachelor’s degree in STEM + 2 years of experience, or Master’s degree + no experience.
  • US Citizen; able to obtain DoD Secret Clearance.
  • Successfully screened for Enhanced Security Clearances within reasonable time.
  • 1 year applying Systems Security Engineering principles to U.S. Government Defense Programs.
  • 1 year communicating technical approaches and findings.
  • 1 year applying safety thinking to complex systems.
  • 1 year applying analytical methodologies to data.
  • 1 year performing against schedule.
• Level 3 Basic Qualifications:
  • Bachelor’s degree in STEM + 5 years of experience, or Master’s degree + 3 years of experience, or Ph.D. + 1 year of experience.
  • US Citizen; able to obtain DoD Secret Clearance.
  • Successfully screened for Enhanced Security Clearances within reasonable time.
  • 2 years applying Systems Security Engineering principles.
  • 2 years communicating technical approaches and findings.
  • 2 years applying safety thinking to complex systems.
  • 2 years applying analytical methodologies to data.
  • 2 years performing against schedule.
• Preferred Qualifications:
  • Active Top‑Secret clearance with SAP Access.
  • Direct experience with ICBM Systems.
  • Experience applying Program Protection principles to U.S. Government Defense Programs.
  • Applied knowledge of SSE principles across security measures (cybersecurity, counterfeit awareness, anti‑tamper, HW/SW assurance, OPSEC).
  • Experience developing Systems Security Engineering requirements for hardware and software assurance.
  • Experience with risk management and driving risk mitigations to closure.
  • Experience assessing and analyzing threats, vulnerabilities, and risk for mission‑critical functions and components.
  • Direct experience with MBSE concepts and tools (CAMEO, DOORS).

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

Primary Level: $79,300 – $118,900.
Secondary Level: $98,400 – $147,600.
Base salary is determined by scope, responsibilities, and candidate credentials. Additional compensation may include overtime, shift differential, discretionary bonuses, and, for certain positions, long‑term incentives.

Northrop Grumman is an Equal Opportunity Employer, making hiring decisions regardless of 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 Northrop Grumman EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.