Northrop Grumman Aeronautics Systems is currently seeking a Principal or Sr. Principal Engineer - Aircraft Mechanical Subsystems Design to join our team of diverse, qualified individuals.This position is located at: Palmdale, CA, Oklahoma City, Ok, or Whiteman Air Force Base, MO.
The selected candidate will perform Subsystems design support on environmental control systems (ECS), fuel, propulsion, landing gear, flight controls, hydraulic and safety systems. The selected candidate will become part of the B-2 Subsystems Design Engineering team within the Vehicle Engineering Department with responsibilities which include:
Developing solutions to challenging problems that are thorough, imaginative, practical, and consistent with program objectives while keeping the statement of work and design requirements in focus.
Coordination and clear communication with other disciplines, customer, and suppliers during design development.
Presenting an explanation of system design issues and solutions to internal management and customer representatives.
Developing and reviewing completed models, drawings, and repairs for accuracy, clarity, and completeness.
Evaluating engineering products for conformity to standards, procedures, and specifications.
Design wiring harness and cable assembly installations for the B-2 air vehicle using SAE AS 50881 and proven commercial practices
Demonstrated experience in cable routing techniques and requirements. Should be familiar with CATIA Electrical Workbench to route cables.
Experience with wire harness design and routing principles such as EMI separation, military connectors and backshells, shielding and overbraid, splicing, minimum bend radius, chafe protection, electrical bonding, and grounding.
Basic Qualifications:
Principal Engineer: Bachelors in Science, Technology, Engineering or Math (STEM) and a minimum of 5 years of experience in Aerospace structural design OR an MS degree in STEM with 3 years of related experience OR a PhD in STEM
Senior Principal Engineer: Bachelors in Science, Technology, Engineering or Math (STEM) and a minimum of 8 years of experience in Aerospace structural design OR an MS degree in STEM with 6 years of related experience OR a PhD in STEM and 3 years of related experience
Must have a DOD Secret Clearance to start and obtain a Program Special access within a reasonable period of time, as determined by the company to meet its business needs.
Proficient in CATIA V5 (2D and 3D) R26 (or higher) and Team Center (Unified and Enterprise).
Generate 2D Drawings in accordance with normal drafting practices using ASME Y14.5 standards.
Familiar with drawing trees and indentured parts lists.
Preferred Qualifications:
5 years or more Aerospace Subsystems design experience using CATIA V5.
Experienced developing 3D CATIA Product Models, parts, and assemblies.
Experience working on Special Access Programs
Experience working on military aircraft and MRB experience
Skills Required
- Principal Engineer: Bachelor's in STEM and minimum 5 years aerospace structural design OR MS with 3 years OR PhD
- Senior Principal Engineer: Bachelor's in STEM and minimum 8 years aerospace structural design OR MS with 6 years OR PhD with 3 years
- Must have an active DOD Secret clearance to start and obtain Program Special Access
- U.S. Citizenship required for positions with government clearance
- Proficient in CATIA V5 (2D and 3D) R26 or higher and Team Center (Unified and Enterprise)
- Generate 2D drawings in accordance with ASME Y14.5 standards
- Familiarity with drawing trees and indentured parts lists
- Design wiring harness and cable assembly installations using SAE AS 50881 and commercial practices
- Demonstrated cable routing experience and familiarity with CATIA Electrical Workbench
- Experience with wire harness design and routing principles (EMI separation, military connectors, shielding, splicing, min bend radius, chafe protection, bonding, grounding)
- 5+ years aerospace subsystems design experience using CATIA V5
- Experience developing 3D CATIA product models, parts, and assemblies
- Experience working on Special Access Programs
- Experience working on military aircraft and MRB 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.
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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.






