Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world’s biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today.
Northrop Grumman Defense Systems is seeking a Principal / Sr Principal System Engineer (T03/T04 levels). This position is located in Roy, Utah and supports the Sentinel program.
This role may offer a competitive relocation assistance package.
What You’ll Get To Do:
The selected candidate will join a team modeling high level Reliability, Availability, Maintainability, Cost (RAM-C) processes across multiple campuses. This role will focus Operating and Support (O&S) modeling to support affordable system design over its lifespan. O&S Model uses DoD Cost Assessment and Program Evaluation (CAPE) framework combining a variety of data sources. This role will support Requirement vs Cost (RvC) and Cost as an Independent Variable (CAIV) analysis for design reviews and major program events.
This position may also include other product support related modeling efforts to include Availability, Reliability Centered Maintenance (RCM), and Life Cycle Cost (LCC).
An ideal candidate will have experience with:
Modeling large systems and experience finding useful data and trends in large data sets
A candidate with maintenance or logistical background will be able to more easily communicate with stakeholders
Position will be working to mature a model and must be comfortable with pathfinding or blank page development activities
Experience with cost estimating models similar to ACEIT or SEER is preferred
Basic Qualifications
This requisition may be filled at either the Principal Engineer (T-03 level) or Sr Principal Engineer (T-04 level).
Required for Both Levels:
Must be a US Citizen with an active U.S. Government Secret Clearance, at time of application, current and within scope, with an investigation date within the last 6 years
Must have the ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time, as determined by the company to meet its business needs
Proficiency with Cost estimating tools (ACEIT, SEER, ReliaSoft, or similar) - 3 years of experience
Proficiency with Cost As an Independent Variable (CAIV) or Requirement vs Cost (RvC) modeling - 1 year of experience
Demonstrated technical expertise in the areas of cost specific modeling or modeling, simulation, and analysis (MS&A) - 3 years of experience
Experience utilizing base year dollars and understanding of inflation / Net Present Value (NPV) - 1 year
Knowledge of Agile development practices
Principal Systems Engineer (T-03 level):
Bachelor's degree in a STEM (Science, Technology, Engineering or Mathematics) discipline with a minimum 5 years of related experience; 3 years with a Master’s; or 1 years with a PhD
Bachelor's degree in a STEM (Science, Technology, Engineering or Mathematics) discipline with a minimum 8 years of related experience; 6 years with a Master’s; or 4 years with a PhD
Preferred Qualification
Active Top Secret Clearance
Proficiency with data handling scripting (SQL, Azure, PowerBI or similar) - 1 year of experience
Proficiency with engineering scripting (Python, C++/C#, Matlab, VBA or similar) - 1 year of experience
Experience with cost estimating ACAT 1 programs
Expertise with Systems Engineering (SE) (Systems engineering V, systems integration, VV&A, or similar)
Experience defining confidence bounds and quantifying sources of error in models
Experience with Agile Release Train (ART) or Scaled Agile Framework (SAFe)
Experience with the Atlassian Tool Suite (Jira / Confluence)
Advanced use of standard Microsoft Office products to include development tools
Strong interest to interact with a wide variety of skills across multiple engineering domains. These engineering domains include: Systems Safety, Reliability, Availability, Maintainability, Integrated Logistics Support, Product Support, Digital Integration, and Sustainment Cost Modeling
Experience with pathfinding / blank page development efforts
INCOSE certifications
Knowledge of DoD CAPE guide, Title 10 U.S.C. Chapter 323, or DoDI 5000.73
Capable of working with minimal direction, independently determines and develops technical objectives of assignments, and presents work upon completion for high level review
Position Benefits
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
https://www.northropgrumman.com/who-we-are/total-rewards-benefits/
This position’s standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off.
This role may offer a competitive relocation assistance package.
#Sentinelsystems
Primary Level Salary Range: $98,400.00 - $147,600.00Secondary 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
- U.S. Citizen with an active U.S. Government Secret Clearance current and within scope (investigation within last 6 years)
- Ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period
- Proficiency with cost estimating tools (ACEIT, SEER, ReliaSoft, or similar) with 3 years of experience
- Proficiency with Cost As an Independent Variable (CAIV) or Requirement vs Cost (RvC) modeling with 1 year of experience
- Demonstrated technical expertise in cost-specific modeling or modeling, simulation, and analysis (MS&A) with 3 years of experience
- Experience utilizing base year dollars and understanding of inflation / Net Present Value (NPV) with 1 year of experience
- Knowledge of Agile development practices
- Principal Systems Engineer: Bachelor's degree in a STEM discipline with minimum 5 years related experience (alternatively 3 years with Master's or 1 year with PhD)
- Sr Principal Systems Engineer: Bachelor's degree in a STEM discipline with minimum 8 years related experience (alternatively 6 years with Master's or 4 years with PhD)
- Active Top Secret Clearance
- Proficiency with data handling scripting (SQL, Azure, PowerBI or similar) with 1 year of experience
- Proficiency with engineering scripting (Python, C++, C#, Matlab, VBA or similar) with 1 year of experience
- Experience with cost estimating for ACAT I programs
- Expertise with Systems Engineering (V model, systems integration, VV&A, or similar)
- Experience defining confidence bounds and quantifying sources of error in models
- Experience with Agile Release Train (ART) or Scaled Agile Framework (SAFe)
- Experience with the Atlassian Tool Suite (Jira / Confluence)
- Advanced use of standard Microsoft Office products and development tools
- INCOSE certifications
- Knowledge of DoD CAPE guide, Title 10 U.S.C. Chapter 323, or DoDI 5000.73
- Experience with pathfinding / blank page development efforts and ability to work with minimal direction
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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Healthcare Strength — Health coverage offers multiple medical plan options by region alongside dental, vision, mental‑health resources, and wellness programs. Recent materials also highlight added family‑building support, including a dedicated fertility benefit.
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Retirement Support — The 401(k) savings plan is positioned as competitive with a company match, auto‑escalation features, and access to an employee stock fund/ESPP. Official filings and benefits guides emphasize retirement as a core element of the Total Rewards package.
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Leave & Time Off Breadth — Many sites offer a 9/80 schedule, generous PTO, paid holidays, and flexible/telework options where program needs allow. Paid parental and caregiver leave are prominently featured, with recent enhancements for the delivering parent.
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.







