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Principal Engineer Mechanical​/Sr. Principal Engineer Mechanical

Job in Manhattan Beach, Los Angeles County, California, 90266, USA
Listing for: Northrop Grumman Corp. (JP)
Full Time position
Listed on 2026-06-05
Job specializations:
  • Engineering
    Systems Engineer, Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 103600 - 155400 USD Yearly USD 103600.00 155400.00 YEAR
Job Description & How to Apply Below
Position: Principal Engineer Mechanical/Sr. Principal Engineer Mechanical-18780

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.

This position will support the Sentinel Program's Command Systems Hardware Design Integration team. This position will join a team of Mechanical, Electrical and Hardware Integration engineers to design hardware systems and components. This position will apply ASME standard processes and procedures to identify, design, and procure electrical and mechanical hardware. This position will support design of integrated assemblies in accordance with decomposed requirements, compliance documents, and architecture diagrams in order to support the Sentinel critical design review campaign.

This position will assist in trade studies, Analysis of Alternatives, and create design artifacts to include 3-dimensional models and product data packages which will be documented and released using Siemens- based Product Lifecycle Management (CPLM) and modeling (NX) tools. This position will be required to operate in and capture inputs from a multi-disciplinary engineering environment consisting of Systems, Software, Design, Compliance, and Hardware engineers.

This position can be tailored to both Principal Engineer and Sr. Principal Engineer levels

Basic Qualifications
  • Principal Engineer Mechanical: 5 Years with Bachelors in Science; 3 Years with Masters; 1 Year with PhD
  • Senior Principal Engineer Mechanical: 8 Years with Bachelors in Science; 6 Years with Masters; 4 Years with PhD
  • Must have U.S. Citizenship with a current or active Secret level clearance reviewed or re investigated within the past six (6) years.
  • Must be able to be successfully screened for Enhanced Security Clearances, within a reasonable amount of time as determined by the company to meet its business needs.
  • Experience performing CAD modeling with design tools such as Siemens NX or similar
  • Working knowledge of Microsoft (MS) Word, Excel, Power Point, and Engineering Scheduling tools and applications.
  • Experience resolving issues and providing technical support
  • Capable of working with minimal direction and in team environments.
Preferred Qualifications
  • Experience deriving hardware-level requirements from interface, compliance, and performance requirements
  • Experience designing and generating control drawings and assemblies of systems using commercially-sourced hardware components
  • Experience developing hardware design materials in support of program design reviews for review with team technical leads and program stakeholders
  • Experience conducting design reviews as the design author and briefing solution designs to program leadership and stakeholders for release into product baseline
  • Understanding of structural analysis concerns as applied to designing mechanical systems
  • Team Center CPLM experience

Primary Level Salary Range: $ - $

Secondary Level Salary Range: $ - $

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…

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