Jobs / United States / Northrop Grumman Systems Corporation
Sr Principal Network Engineer (AHT)
Northrop Grumman Systems Corporation · 🇺🇸 United States-Colorado-Aurora
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: Yes CLEARANCE TYPE: Top 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. Northrop Grumman Space Systems is seeking a Senior Principal Network Engineer for our team based in Aurora, CO. In this role, the successful candidate will design and plan network communication systems and provide specifications and detailed schematics for network architecture. The candidate must be able to troubleshoot and isolate network faults and failures in a LAN/WAN environment and provide specific detailed information for hardware and software selections, implementation techniques and tools for the most efficient solution to meet business needs, including present and future capacity requirements. This candidate will have to maintain technical expertise in all areas of network and software interconnections and interfacing, such as routers, switches, firewalls, load balancers etc., and evaluate and report on new communication technologies to enhance capabilities of the network. Candidates are required to be Security+ certified and have an adjudicated full-scope polygraph at time of employment. Candidates must have the ability to work within a group or independently where collaboration and attention to detail is critical to mission success. Basic Qualifications: • Bachelor's degree in STEM with 8+ years of relevant experience, OR Master's degree with 6+ years, or PhD with 4+ years; 12+ years of experience may be considered in lieu of a degree requirement. • United States Citizenship • Must have an active U.S. Government Top Secret security clearance at time of application, current and within scope, with the ability to obtain and maintain SCI approval/access. • Must have an active U.S. Government Full-Scope Polygraph at time of application, current and within scope. • Candidates are required to be Security+ certified. • Candidates are required to travel a minimum of 20%. • The candidate will have to Maintain technical expertise in all areas of network and software interconnections and interfacing, such as routers, switches, firewalls, load balancers etc. • Wide Area Network Subject Matter Expert • Experience with designing additions to a large network Preferred Qualifications: • Firewall Hardware and Software Knowledge, administration, management and modifications • CISCO Router, Switches Hardware and Software Knowledge • COMSEC equipment knowledge • Maintain technical expertise in all areas of network and software interconnections and interfacing, such as routers, switches, firewalls, load balancers etc. • Linux and Windows knowledge #LI-VC2 #SPEnhancedERAP Primary Level Salary Range: $129,300.00 - $193,900.00 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