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Northrop Grumman Defense Systems is seeking a Principal or Sr. Principal Mechanical Engineer to join our team of qualified individuals. This position will be located at Roy, UT to support the Sentinel (GBSD) program in the Strategic Deterrent Systems (SDS) Division. 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. This position may be filled at a higher level based on qualifications below.
Roles and Responsibilities
- Work within an Integrated Product Team (IPT) environment, interfacing with IPT leadership, suppliers, customers, and other technical disciplines to engineer design solutions to challenging problems through the development of Interface Control Models (ICM). ICMs consists of 3D models (NX) for space allocation and interface detail for all Command and Launch (C&L) facilities and equipment.
- Create and implement 3D CAD (NX) models that define space allocation and interface detail
- Support the ICM team in capturing interface detail through design and board reviews
- Implement program processes and engineering board approval processes for developed ICMs
- Deliver required ICMs on time to meet program objectives
- Integrate Interface Design ICMs with the various element teams to proactively eliminate disconnects and design clashes
- Identify gaps and holes within the design and/or requirements and provide a path forward for resolution that is cost effective, innovative, and has minimal impact to others while filling the gap/hole
- Ensure the developed ICMs meet the design requirements from the various element/configured item specifications
- Determine technical solution in accordance with product specifications and recommend actions to representatives for coordinated product solution
- Support digital transformation initiatives relating to ICM development and release
Basic Qualifications
This position may be filled at a Principal Mechanical Engineer level or at a Sr. Principal Mechanical Engineer level
- Requires a bachelor’s degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university with 5 years of related experience; or a master’s degree with 3 years of related experience (Sr. Principal level requires 8 years with a bachelor's; or 6 years with a master's)
- Must be a US Citizen with an active U.S. Government Secret Security 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
- Requires 1 year of experience with systems engineering principles and processes
- Requires 1 year of proven knowledge of design tools including TeamCenter/NX
- Requires 1 year of proven experience to read and interpret technical drawings
- Requires 1 year experience with design and fabrication techniques for structural details, assemblies, and installations
- Requires 1 year of experience in creating an ICM or ICM like product
Preferred Qualifications
- Proven knowledge of specifications and processes as they relate to engineering model-based definition
- Proven knowledge of product development lifecycle
- Able to work independently, function in a dynamic environment, and be flexible to changing direction
- ICBM Experience
- Model-Based Systems Engineering (MBSE) experience
- Strong oral and written communication skills, including demonstrated experience with high value customer presentations, with ability to focus on multiple projects with competing priorities
- Demonstrated experience in making sound decisions in uncertain and difficult situations.
- Strong sense of urgency and work ethic in ensuring engineering meets customer and program expectations in a timely and efficient manner
- Experience in leading/supporting a development engineering team
- Demonstrated experience working with customers to ensure project success
- Experience in performing in an Agile environment and knowledge/understanding of JIRA
Position Benefits
As a full-time employee of Northrop Grumman Defense Systems, 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. This role may offer a competitive relocation assistance package.
Primary Level Salary Range: $89,400.00 - $134,200.00Secondary Level Salary Range: $111,700.00 - $167,500.00The 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 5 years related experience or Master's degree with 3 years related experience
- Sr. Principal level: 8 years with a bachelor's or 6 years with a master's (position may be filled at higher level)
- US Citizenship with an active U.S. Government Secret Security Clearance at time of application, current and within scope, investigation within last 6 years
- Ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period
- 1 year experience with systems engineering principles and processes
- 1 year proven knowledge of design tools including Teamcenter/NX
- 1 year proven experience reading and interpreting technical drawings
- 1 year experience with design and fabrication techniques for structural details, assemblies, and installations
- 1 year experience in creating an ICM or ICM-like product
- Proven knowledge of specifications and processes related to engineering model-based definition
- Proven knowledge of product development lifecycle
- ICBM program experience
- Model-Based Systems Engineering (MBSE) experience
- Experience working in an Agile environment and knowledge/understanding of JIRA
- Experience leading/supporting a development engineering team and strong communication skills
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.






