Sr Principal Mechanical Engineer - 20694

Posted 2 Days Ago
Be an Early Applicant
2 Locations
In-Office
112K-194K Annually
Senior level
Aerospace • Logistics • Security • Software • Cybersecurity
The Role
Serves as Liaison Engineer and engineering authority for the Sentinel program. Manages Material Review Board processes, evaluates nonconformances, and develops dispositions for parts, assemblies, and installations. Coordinates multidisciplinary teams to resolve complex defects, supports production and installation activities, and interfaces with leadership. Requires knowledge of mechanical, electrical, hydraulic, propulsion, composite, and metallic systems, along with SAP, NX, VisPro, TeamCenter, and MES. Occasional weekend support and 50% travel are required.
Summary Generated by Built In
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 50% of the TimeDescription

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.

Northrop Grumman Defense Systems is seeking a Sr. Principal Mechanical Engineer. This position is located in Roy, UT with an alternat location of Vanderburg Space Force Base (VSFB), CA and will supporting the Sentinel program. 


The selected candidate will fill the role of Liaison Engineer for NGDS SDS Sentinel Program.


What You’ll Get To Do: 


Responsibilities include the following:


  • Liaison/MRB
  • Act as engineering authority for non-conformances
  • Perform timely dispositions for nonconforming parts, assemblies, and installations
  • Coordinate with a team of multiple disciplines/stakeholder groups to determine effective solutions to defects that are innovative, thorough, practical, and consistent with organization objectives
  • Working knowledge of subsystems (electrical, hydraulics, fuels, fluids and propulsion systems) installations, composite structures, & metallic structures
  • Maintain integrity of the Material Review Board (MRB) process and engineering authority
  • Manage/Lead complex issues through hands-on coordination with all departments and levels of leadership until completion
  • Knowledge of the tools (such as) SAP, NX, VisPro, TeamCenter, and MES
  • Weekend support may be required on occasion to support program efforts
  • This position will utilize your excellent communication, mentoring, interpersonal skills, and ability to interface with senior management, peers, and employees.

Basic Qualifications:


  • 8 Years with Bachelors in Science; 6 Years with Masters; 4 Years with PhD
  • Must have an active U.S. Government DoD Secret security clearance at time of application, current and within scope, with an 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 need
  •  Experience with MRB engineering process
  • Knowledge of the tools (such as) SAP, NX, VisPro, TeamCenter, and MES

Preferred Qualifications:


  • Previous MRB/LE Authority for Engineering
  • Legacy Northrop Grumman AS Liaison Engineering experience with tools and processes
  • Experience working hands-on in a production assembly line environment
  • Experience with Model Based Engineering (MBE ) (3-D model engineering definition)
  • Excellent written and verbal communication skills, leadership, and problem solving abilities
  • Northrop Grumman MRB EN signature
  • Industrial construction experience
  • Commercial/Government Construction experience
  • Civil Experience
  • Unified Facilities Guide Specifications (UFGS)
  • Field experience
  • QCM-C cert
  • NAVCOM
  • USACE - US Army Corp of Engineers

As a full-time employee of Northrop Grumman Space 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 positions 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. 

Primary Level Salary Range: $111,700.00 - $193,900.00

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 Required

  • Bachelor of Science with 8 years of experience, or Master’s degree with 6 years, or PhD with 4 years
  • Active U.S. Government DoD Secret security clearance at application, current and within scope
  • Ability to obtain and maintain Special Access Program approval
  • Experience with Material Review Board engineering processes
  • Knowledge of SAP, NX, VisPro, TeamCenter, and MES
  • Previous MRB or Liaison Engineering authority experience
  • Legacy Northrop Grumman AS Liaison Engineering experience with related tools and processes
  • Hands-on production assembly line experience
  • Model Based Engineering experience using 3-D model engineering definitions
  • Excellent written and verbal communication, leadership, and problem-solving skills
  • Northrop Grumman MRB engineering signature
  • Industrial, commercial, government, or civil construction experience
  • Unified Facilities Guide Specifications knowledge
  • Field experience
  • QCM-C certification
  • NAVCOM experience
  • U.S. Army Corps of Engineers experience

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.

  • 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.
  • 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.
  • 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

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The Company
HQ: Charlotte, North Carolina
85,636 Employees

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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