Northrop Grumman Defense Systems is seeking a Principal/Sr Principal Design Engineering - TDP to join our team and support the Sentinel Program. This role will be based in Roy, UT.
What You'll Get To Do:
The selected candidate will become a Principal/Sr. Principal Design Engineer on the Infrastructure Design Team (INF). This role supports the design, modeling, and integration efforts for various design element releases for Sentinel Launch Facilities, Launch Centers, or Test Facilities.
Specific duties to include, but are not limited to the following:
Responsible for coordinating facility design artifact releases with impacted stakeholders for the Sentinel infrastructure and facilities.
Interpret and verify industry standards, guidelines, and codes for project deliverables.
Participate in project design/model reviews.
Review subcontractors design product quality/accuracy by reviewing facility designs and validating that current standards are applied and integrated into the design solution.
Support the delivery of Construction Drawings and Specifications Technical Data Packages (TDPs), Issue-for-Construction (IFC) packages, as-built TDPs, Product Definition Package (PDPs), interface models, and additional design artifacts.
Supporting structured trade studies to evaluate alternative design solutions to resolve technical issues
Developing and presenting design change requests, coordinating with impacted internal and external stakeholders, and ensuring configuration control of the technical baseline.
Developing and maturing facility designs that meet applicable codes and regulations.
You'll Bring These Qualifications:
This position may be filled at either a Principal or Senior Principal level.
Principal Design Engineer: Bachelor's degree in Science, Technology, Engineering or Math (STEM) with 5 years’ experience; 3 years’ experience with a Master’s degree; or 1 year’ experience with a PhD.
Sr. Principal Design Engineer: Bachelor's degree in Science, Technology, Engineering or Math (STEM) with 8 years’ experience; 6 years’ experience with a Master’s degree; or 4 years’ experience with a PhD.
Both levels require the following:
Must be a U.S. Citizen and with the ability to obtain and maintain a DoD Secret clearance
Must be able to obtain and maintain Special Access Programs (SAP) clearance as a condition of continued employment.
Experience in one or more of the following: Civil/Structural, Mechanical, electrical design on MILCON or major infrastructure/building projects.
Knowledge of engineering deliverables, such as drawings and construction specifications. Knowledge of one or more of the following: American Institute of Steel Construction (AISC), American Concrete Institute (ACI), International Building Code (IBC) Unified Facilities Criteria (UFC) and MIL-STD codes and standards.
Knowledge of construction materials and construction details and techniques.
Experience with Microsoft (MS) Word, Excel, Power Point, and Engineering Scheduling tools and applications, and be able to use the Internet as an information gathering and communications tool.
Excellent interpersonal, written communication, and presentation skills, including the ability to clearly and succinctly communicate complex concepts to both Government and corporate leadership
Ability to work independently, function in a dynamic environment, and be flexible to changing direction
These Qualifications Would Be Nice To Have:
Professional Engineering (PE) or Structural Engineering (SE) License with any state
Proficiency with Revit, Siemens NX and Teamcenter
Active DoD Secret security clearance with the most recent investigation completed in the last 5 years.
Skills Required
- U.S. citizenship and ability to obtain and maintain a DoD Secret clearance
- Ability to obtain and maintain Special Access Programs (SAP) clearance
- Experience in Civil/Structural, Mechanical, or Electrical design on MILCON or major infrastructure/building projects
- Knowledge of engineering deliverables such as drawings and construction specifications
- Knowledge of AISC, ACI, IBC, UFC, and MIL-STD codes and standards
- Knowledge of construction materials, construction details, and techniques
- Experience with MS Word, MS Excel, MS PowerPoint, engineering scheduling tools and internet research
- Excellent interpersonal, written communication, and presentation skills
- Ability to work independently and adapt in a dynamic environment
- Principal level: Bachelor's +5 years, Master's +3 years, or PhD +1 year
- Sr. Principal level: Bachelor's +8 years, Master's +6 years, or PhD +4 years
- Professional Engineering (PE) or Structural Engineering (SE) license
- Proficiency with Revit, Siemens NX, and Teamcenter
- Active DoD Secret security clearance with most recent investigation within last 5 years
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.









