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Principal / Sr. Principal Mechanical Engineering Analyst

Requisition ID: R10061876

  • Category IconCategory: Engineering
  • Location IconLocation: Woodland Hills, California, United States of America
  • Citizenship IconCitizenship Required: United States Citizenship
  • Clearance IconClearance Type: Secret
  • Telecommute IconTelecommute: No- Teleworking not available for this position
  • Shift IconShift: 1st Shift (United States of America)
  • Travel IconTravel Required: Yes, 10% of the Time
  • Positions IconPositions Available: 1

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 Mission Systems is a trusted provider of mission-enabling solutions for global security.  Our Engineering and Sciences (E&S) organization pushes the boundaries of innovation, redefines engineering capabilities, and drives advances in various sciences. Our team is chartered with providing the skills, innovative technologies to develop, design, produce and sustain optimized product lines across the sector while providing a decisive advantage to the warfighter.  Come be a part of our mission!

We are looking for you to join our team as a Mechanical Engineering Analyst based out of Woodland Hills, CA. As a Mechanical Engineering Analyst at Northrop Grumman you will have a challenging and rewarding opportunity to be a part of our Enterprise-wide digital transformation. Through the use of Model-based Engineering, DevSecOps and Agile practices we continue to evolve how we deliver critical national defense products and capabilities for the warfighter.  Our success is grounded in our ability to embrace change, move quickly and continuously drive innovation.  The successful candidate will be collaborative, open, transparent, and team-oriented with a focus on team empowerment & shared responsibility, flexibility, continuous learning, and a culture of automation.

What You’ll get to Do:

In this role, candidates may be involved in multiple aspects in the development of aircraft subsystems, such as thermal and structural analysis, verifying requirements, test data post processing, and working to help troubleshoot issues.  Candidates are expected to apply advanced technical principles, theories, and concepts. These aircraft subsystems include, but are not limited to, inertial navigation systems and instruments, shock isolation systems, electronics enclosures, gimbal systems, active heating systems, and liquid cooling systems.

Candidates may perform static, dynamic, and Durability and Damage Tolerance analyses of metallic and composite structures, mechanical systems, Circuit Card Assemblies, and equipment, by hand and by using the automated methods and procedures approved for the program. Ensure that designs meet program requirements and are the lightest, lowest cost, and highest quality products consistent with schedule and budget objectives. The analyst may also be expected to derive non-flight applied loads, create, extract and distribute internal loads, and perform weight and stiffness optimization. Tools utilized may include NX, Ansys, FEMAP, Teamcenter and other software applications.

Candidate must be able to collaborate in a team environment, prioritize and adjust tasks to accomplish the project result, prioritize multiple responsibilities and/or accomplishing them simultaneously, and comprehend and analyze complex problems and develop solutions.

Key Responsibilities:

  • Tasking includes performing system related analysis in support of the development of aircraft subsystems. Analysis includes, but not limited to, temperature assessments as influenced by structural heat transfer and heat sources, structural analysis of metallic and composite structures including modal analysis, steady state and transient responses to dynamic loads.
  • Tasking may include performing Computational Fluid Dynamics (CFD) analysis in support of aircraft subsystem integration and heat transfer modeling activities. May also include modeling fluid systems to assess fluid velocities and heat transfer coefficients over complex geometries.
  • Tasking may include system level test planning, execution support, verification, data processing, and troubleshooting.
  • Tasking may include system level evaluations to verify requirements and ensure airworthiness criteria are met.
  • Attend internal program, customer and/or supplier technical exchange meetings and/or formal program milestone reviews to provide and/or obtain progress status updates. 
  • The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborative/team settings across all levels.

This requisition may be filled at either a Principal Level or a Sr. Principal Level. 

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Basic Qualifications for a Principal Mechanical Engineer Analyst are:

  • Bachelor’s degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 5 years of experience OR Master’s degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 3 years of experience; OR a PhD with 0 years of experience
  • Experience with aircraft subsystem development, with requirements definition, specification development, component analysis, procurement, source selection, integration and test and verification for advance aircraft. 
  • Experience performing structural and thermal analysis including temperature assessments as influenced by structural heat transfer and heat sources, structural analysis of metallic and composite structures including modal analysis, steady state and transient responses to dynamic loads.
  • Experience interpreting component detail drawings, specifications, installation drawings, and test procedures.
  • Experience with Siemens NX and ANSYS
  • Active Secret Security Clearance

Basic Qualifications for a Sr. Principal Mechanical Engineer Analyst are:

  • Bachelor’s degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 9 years of experience OR Master’s degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 7 years of experience; OR a PhD with 4 years of experience
  • Experience with aircraft subsystem development, with requirements definition, specification development, component analysis, procurement, source selection, integration and test and verification for advance aircraft. 
  • Experience performing structural and thermal analysis including temperature assessments as influenced by structural heat transfer and heat sources, structural analysis of metallic and composite structures including modal analysis, steady state and transient responses to dynamic loads.
  • Experience interpreting component detail drawings, specifications, installation drawings, and test procedures.
  • Experience with Siemens NX and ANSYS
  • Active Secret Security Clearance

Preferred Qualifications:

  • Master’s degree in Mechanical or Aerospace Engineering with focus on thermodynamic, fluid mechanic and/or heat transfer disciplines.
  • Experience with aircraft subsystem development, with requirements definition, specification development, component analysis, procurement, source selection, integration and test and verification for advance aircraft. 
  • Experience performing thermodynamic and/or heat transfer analysis related to military/commercial aircraft and subsystems.
  • Experience modeling in Siemens NX
  • Experience interpreting component detail drawings, specifications, installation drawings, and test procedures.
  • Demonstrated experience in leadership related to integrated product teams, including supplier and customer (internal and external) relations.


Salary Range: $92,200 USD - $138,400 USD
Salary Range 2: $114,300 USD - $171,500 USD

Employees may be eligible for 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 health and safety of our employees and their families is a top priority. The company encourages employees to remain up-to-date on their COVID-19 vaccinations. U.S. Northrop Grumman employees may be required, in the future, to be vaccinated or have an approved disability/medical or religious accommodation, pursuant to future court decisions and/or government action on the currently stayed federal contractor vaccine mandate under Executive Order 14042 https://www.saferfederalworkforce.gov/contractors/.

Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action 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/AA and Pay Transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for most positions.



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What's great about
Northrop Grumman

  1. Be part of a culture that thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work.
  2. Use your skills to build and deliver innovative tech solutions that protect the world and shape a better future.
  3. Enjoy benefits like work-life balance, education assistance and paid time off.


Did you know?

Northrop Grumman leads the industry team for NASA’s James Webb Space Telescope, the largest, most complex and powerful space telescope ever built. Launched in December 2021, the telescope incorporates innovative design, advanced technology, and groundbreaking engineering, and will fundamentally alter our understanding of the universe.