Jobs / United States / Northrop Grumman Systems Corporation
Sr. Principal Mechanical Engineer
Northrop Grumman Systems Corporation · 🇺🇸 United States-Virginia-Chantilly
Sponsorship verdict
Posting rules out sponsorship
The posting rules out sponsorship or requires citizenship/clearance.
- No government sponsor record hereThis employer posted directly and does not match a government sponsor register.
- The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
- No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
- Security clearance mentionedFrom the posting’s own wording.
- Confirmed live todayWhen a source last listed this job as open.
US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).
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Why not apply?
The posting mentions a security clearance — usually restricted to citizens of that country.
No register record and no sponsorship wording in the posting. Worth asking the employer before investing significant time.
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Sponsor Radar — Northrop Grumman Systems Corporation
This employer posted directly and does not match a government sponsor register.
Past sponsorship or register membership never guarantees sponsorship for this vacancy or for you. Full Sponsor Radar for Northrop Grumman Systems Corporation →
About the role
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Uncleared 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. Northrop Grumman is seeking a Sr. Principal Mechanical Engineer to join Mission Systems Discipline Engineering Organization. This position will be located in Chantilly, VA Roles and Responsibilities: • Create designs, perform analysis, integrate hardware, test deliverables, and generate documentation for hardware systems and systems of systems • Work in 3D CAD to design solutions • Utilize 3D CAD and other resources to perform analysis and calculations to validate designs • Procure, inspect, and assemble first article designs • Work with manufacturers to validate DFM • Support operations and maintenance of fielded SIGINT systems • Collaborate with a multidisciplinary engineering team to upgrade and improve developmental and fielded systems to maximize uptime and capabilities • Interface and collaborate with customers, end users, operators, and field representatives • This is an on-site and full-time position • Role includes potential CONUS travel (up to 10%), with more available based on interest and program needs. Basic Qualifications for Sr. Principal Mechanical Engineer: • Must have a Bachelor’s degree in Mechanical Engineering or an equivalent STEM related discipline. • Minimum of 8 years of experience with a Bachelor's degree; Minimum of 6 years with Master's degree; Minimum of 4 Years experience with PhD • Willing and able to obtain and maintain a TS/SCI Security Clearance (U.S. citizenship is a pre-requisite) • Experience with design modeling and drawing efforts using 3-D modeling tools • Experience and willingness to be hands on during hardware assembly, testing and integration • Experience creating designs using machined steel and aluminum, sheet metal, welded fixtures, additive manufacturing/composites components and assemblies • Experience creating mechanical documentation; part drawings, assembly drawings, ANSI standards, etc. • Experience performing mechanical analyses (structural FEA, modal, thermal) to validate and qualify designs. • Hands-on experience in prototype or production machine shops, including interpreting drawings, tolerances, and GD&T. Preferred Qualifications: • Active Top Secret/SCI security clearance • Experience packaging custom electronics and COTS into ruggedized enclosures for airborne and ground systems. • Proficiency with SolidWorks (or similar 3D CAD) for complex assemblies, configurations, and ANSI/ASME drawings. • Experience with CAD data management and configuration control (PDM/PLM, revision control, release workflows). • Familiarity with model-based definition (MBD) and applying PMI/GD&T within 3D models. • Experience integrating mechanical designs with electrical, RF, and software in multi discipline teams. • Experience supporting hardware integration, test, and troubleshooting i