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Sentinel - Principal/Sr. Principal Mechanical Engineer (16951)

Northrop Grumman

·

Jul 15, 2026

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Salary
$89k – $134k
Location
UTRO01, United States of America
Workplace
Onsite
Type
Full-time
Department
Engineering
Seniority
Lead
Experience
5+ years
Education
Master
Visa
Not sponsored
Clearance
Required
Source
Workday

Description

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time

Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's 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. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

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 or Sr. Principal Mechanical Engineer to join our team of qualified, diverse individuals. This role will support the Strategic Deterrent Systems (SDS) Division on the Launch Systems Infrastructure team. This position is to execute the Engineering and Manufacturing Development phase of the Sentinel Ground Based Strategic Deterrent (GBSD) program. This position will be located on campus in Roy, UT and may require on-site support at product manufacturing and integration sites. The qualified candidate will 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 Product Definition Packages (PDP). This position may be filled at a higher level based on qualifications below.

Roles and Responsibilities

  • Create and implement deployable mechanical mechanisms that are verified through test/analysis
  • Develop CAD models visualizing various design solutions
  • Deliver required PDPs on time to meet program objectives
  • Support all phases of the systems lifecycle including design, drawings, fabrication, test, installation, operation and maintenance
  • Identify gaps within a design and/or requirements and provide a resolution that is cost effective, innovative, and has minimal impact to others.
  • Ensure the developed PDPs meet the design requirements from the various element/configured item specifications.
  • Preparation and presentation of reports, briefings, design documents (drawings and specifications) and interface with customers.

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 a minimum 5 years of experience with CAD modeling
  • Requires experience with design/fabrication techniques for structural details, assemblies, and/or installations

Preferred Qualifications

  • Active U.S. Government SAP access for NGDS SDS programs
  • Master of Science in Mechanical or Aerospace Engineering
  • Knowledge of GD&T, materials selection, and manufacturing processes
  • Proficient written and verbal communication skills when conveying technical content
  • ICBM Experience
  • Experience in creating a Product Definition Package (PDP) or PDP like products
  • Experience with the ASME Y14.X suite of engineering drawing standards
  • Ability to work closely with multiple functional organizations (Engineering, Manufacturing, Purchasing, Field Operations, etc.)
  • Experience with Siemens NX and Teamcenter CPLM (Common Product Lifecycle Management) tools
  • Experience with requirements management and model-based systems engineering (MBSE) principles
  • Proficiency in DOORS, CAMEO, Jira and Confluence

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 - $134,200.00

Secondary Level Salary Range: $111,700.00 - $167,500.00

The 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

JiraConfluenceSAP

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