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Northrop Grumman Systems Corporation

Principal/Senior Principal Thermal Analysis Engineer

United States-Maryland-Baltimore Posted today

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Sponsorship verdict

Posting rules out sponsorship

The posting rules out sponsorship or requires citizenship or security 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.
  • Citizenship requirement statedFrom the posting’s own wording.
  • Security clearance mentionedFrom the posting’s own wording.
  • Confirmed live todayWhen a source last listed this job as open.
Details and sources
No salary bar for this route
H-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.

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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Before you apply

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Citizenship requirement stated — the posting’s wording suggests candidates who already hold work rights. Read the original listing carefully.

Requirement gap

The posting mentions a security clearance — usually restricted to citizens of that country.

Sponsorship unknown

No register record and no sponsorship wording in the posting. Worth asking the employer before investing significant time.

These come from the posting’s own wording. Read the original listing to confirm. See better-fit alternatives →

About the role

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. At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to enable strategic planning. We’re looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we’ll support you by expanding your personal network and developing skills, whether you are new to the field, or an industry thought leader. At Northrop Grumman, you’ll have the resources, support, and team to do some of the best work of your career. We are looking for you to join our team as a Principal/Senior Principal Thermal Analysis Engineer based out of Linthicum, MD. This position may be filled as a Principal Thermal Analysis Engineer or a Senior Principal Thermal Analysis Engineer. What You’ll Get to Do: The thermal design team supports programs across the sector, including the airborne, ground mobile, ground stationery, and surface based naval applications, and across a variety of length scales ranging from ECS systems, sensor and radar systems, chassis, CCAs, and device levels. • Design advanced electronics thermal management solutions using heat transfer principles to optimize thermal performance • Perform electronics thermal analysis, requiring experience in heat transfer, including liquid cooled, air-cooled, two-phase flow, and refrigeration thermal solutions for Mission Systems platforms such as airborne, ground based, and naval applications • Lead thermal designs by owning thermal requirements, thermal architecture, and thermal performance of the design, while mentoring less experienced thermal engineers • Provide oral and written presentations to internal and external customers and stakeholders This position is contingent upon the ability to obtain an active US Government Secret Clearance or the successful transfer of an active US Government Secret Clearance prior to start. Basic Qualifications for a Principal Thermal Analysis Engineer: Bachelor’s Degree with 5 years of experience, master’s degree with 3 years of experience, Ph.D. with 1 years of experience in Science, Technology, Engineering, Mathematics or related technical fields. • U.S. citizenship is required. • Ability to obtain and maintain a US Government Secret security clearance. • Ability to work onsite daily at the Linthicum, MD (Baltimore area) facility. • 5+ years of experience in electronics design with emphasis on thermal analysis and optimization of mission‑critical electronics systems (e.g., airborne, ground, or maritime platforms). • 5+ years of experience applying thermal engineering principles to challenging air cooled, liquid cooled, and conduction cooled hardware

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