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Northrop Grumman Defense Systems is seeking an Environments Capability Lead Sr. Principal Systems Engineer (level 4) to join its team. This position is in Roy UT, Bellevue NE, Huntsville AL or Manhattan Beach, CA and will support the Sentinel program. Northrop Grumman supports the Air Force’s sustainment, development, production and deployment of hardware and system modifications for Intercontinental Ballistic Missile (ICBM) Ground and Airborne Launch Control Systems, Launch Facilities and associated infrastructure.
What you will get to do:
The Environments Capability Lead Sr. Principal Systems Engineer (level 4) will join the Command Systems team leading activities including requirements definition / allocation, functional decomposition, interface definition, verification & validation, and requirements traceability across the ground segment of the Sentinel Weapon System.
Specific duties to include, but are not limited to the following:
- Lead a small team of systems engineers to develop systems engineering artifacts for the various communications networks across the Sentinel ground system in a model-based environment.
- Work with both technical teams and stakeholders to develop and mature architecture content of large programs design.
- Help develop and incorporate the appropriate requirements for the system and ensure that they are properly represented in the model.
- Develop systems architecture using Cameo Enterprise Architecture (behavioral, structural, analytical).
- Contribute to system requirements development, management, and analysis.
- Develop unifying model techniques, procedures, and processes (for model development, tool integration, and team integration).
The selected engineer will be self-driven, able to tackle challenges, solve problems with minimal oversight and make recommendations for solutions/process improvement to leadership exhibiting strong written and verbal communication skills.
Basic Qualifications:
- Bachelor’s degree in STEM with 8 Years of related experience; 6 Years with Masters; 4 Years with PhD
- Must be a U.S. Citizen with an active U.S. Government DoD Secret security clearance at time of application with an investigation completed within the last 6 years, current and within scope.
- Must have the ability to obtain Special Access Program (SAP) approval within a reasonable period, as determined by the company to meet its business needs.
- 2+ years of experience with requirements management/analysis/allocations
- 2+ years of experience with Model-Based Engineering / Model-Based Systems Engineering (MBE/MBSE) practices, languages and/or tools such as Cameo, Rhapsody or MagicDraw
- 2+ years of experience with one or more of the following: Command & Control (C2), physical security, cybersecurity, Nuclear Command, Control, and Communications (NC3) systems/processes, communications systems, facility design, military aerospace development (e.g. Sentinel, Minute Man III, B-2, B-21 delivery systems)
Preferred Qualifications:
- Active DoD Top Secret Clearance
- Demonstrated understanding of the Systems Engineering Vee Model
- 3+ years of experience in model-based systems engineering; thread-based system decomposition, requirements engineering, system modeling in SysML
- Experience in documenting Interface Control Documents, Interface Requirement Specifications, and Interface Description Documents
- Understanding of Object-Oriented Systems Engineering Methodology and systems thinking
- Excellent collaboration skills and experience working across product, design, and systems engineering teams with various stakeholder communities
- Proven experience leading Reliability, Availability, Maintainability, and Cost (RAM-C) engineering efforts for distributed systems, including defining Failure Mode, Effects, and Criticality Analysis (FMECA) and Level of Repair Analysis (LORA)
- Advanced expertise in Human Factors Engineering (HFE) compliance, specifically regarding user-interface design, workload modeling, and situational awareness for operators in launch control or command facilities
- Direct experience authoring and enforcing Program Protection Plans (PPP), identifying Critical Program Information (CPI), and implementing anti-tamper and supply chain risk mitigations
- Experience with ICBM weapon system engineering and integration
- Experience with complex system development on large programs
As a full-time employee of Northrop Grumman, you are eligible for our robust benefits package including:
- Medical, Dental & Vision coverage
- 401k
- Educational Assistance
- Life Insurance
- Employee Assistance Programs & Work/Life Solutions
- Paid Time Off
- Health & Wellness Resources
- Employee Discounts
This position’s standard work schedule is 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off.
#SentinelSystems
Primary Level Salary Range: $122,800.00 - $184,200.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.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 http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.Skills Required
- Bachelor's degree in STEM with 8 years related experience (6 years with Master's; 4 years with PhD)
- Must be a U.S. Citizen with an active U.S. Government DoD Secret security clearance (investigation within last 6 years, current and within scope)
- Ability to obtain Special Access Program (SAP) approval within a reasonable period
- 2+ years experience with requirements management, analysis, and allocations
- 2+ years experience with Model-Based Engineering / Model-Based Systems Engineering (MBE/MBSE) practices, languages and/or tools such as Cameo, Rhapsody or MagicDraw
- 2+ years experience with one or more of: Command & Control (C2), physical security, cybersecurity, NC3 systems/processes, communications systems, facility design, or military aerospace development
- Active DoD Top Secret clearance
- 3+ years experience in model-based systems engineering, thread-based decomposition, and SysML system modeling
- Experience documenting Interface Control Documents, Interface Requirement Specifications, and Interface Description Documents
- Demonstrated understanding of the Systems Engineering Vee Model
- Understanding of Object-Oriented Systems Engineering Methodology and systems thinking
- Proven experience leading Reliability, Availability, Maintainability, and Cost (RAM-C) efforts, including FMECA and Level of Repair Analysis (LORA)
- Advanced expertise in Human Factors Engineering (HFE) compliance for operator interfaces and workload modeling
- Experience authoring and enforcing Program Protection Plans (PPP), identifying Critical Program Information (CPI), and implementing anti-tamper and supply chain risk mitigations
- Experience with ICBM weapon system engineering and integration
- Experience with complex system development on large programs
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.



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