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Salary
≈ $103k – $207k per year (Estimated)
Location
In office (Northridge)
Seniority
Principal · 8+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Oct 21, 2026. Northrop Grumman scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Northrop Grumman is an American defence contractor whose oldest predecessor was founded in 1939, and which took its present form through the 1994 combination of Northrop and Grumman. It builds strategic systems including the B-21 Raider bomber and the Sentinel intercontinental ballistic missile programme, military and civil space systems, radars and electronic warfare equipment, autonomous aircraft, and mission systems and software for the United States armed forces and allied governments. Headquartered in Falls Church, Virginia and listed on the New York Stock Exchange, it earns the large majority of its revenue from the American government and employs close to one hundred thousand people.
RELOCATION ASSISTANCE:CLEARANCE REQUIRED FOR START:CLEARANCE TYPE:TRAVEL:

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 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 currently looking for a Principal/Sr.Principal Software Engineer Level 3/4 to join our team of qualified, diverse individuals. As an integral part of our multi-discipline engineering team in the Advanced Weapons division, you will be on the forefront of developing next-generation solutions to protect technology for our nation’s warfighters. The ideal candidate will be supporting all of our programs for implementing, testing, and extending our STE software.

This position is required to be full-time, on-site in the Northridge, CA location. No remote/telework arrangement is available for this position. Relocation assistance, while not guaranteed, may be available.

Roles and Responsibilities:

A successful candidate will have the qualities and essential functional expertise with:

  • Generate software documentation.
  • Develop, implement, and maintain existing software for primarily Windows based desktop applications.
  • Participate in all aspects of the software development lifecycle activities
  • Use test equipment to troubleshoot software and hardware.

Basic Qualifications for a Principal Engineer level (T03) and Sr. Principal Engineer level(T04):

  • US Citizenship and Active DoD Secret Clearance.
  • For Sr. Principal Embedded Software Engineer: Bachelor's degree in a STEM discipline and 8+ years of experience or Master's degree in a STEM discipline and 6 years of experience.
  • For Principal Embedded Software Engineer: Bachelor's degree in a STEM discipline and 5+ years of experience or Master's degree in a STEM discipline and 3 years of experience.
  • Strong professional experience developing software in C/C++ on Windows 10, 11, and Linux (preferably CentOS)
  • Experience operating oscilloscopes, power meters, power supplies, signal generators, and spectrum analyzers
  • Experience with MIL-STD-1553, TCP/IP, Serial, and Ethernet network communication protocols
  • Experience in deriving software requirements from system requirements; working with SRSs, ICDs, CDRLs
  • Advanced hands-on system troubleshooting and determining root-cause analysis.
  • Experience working in a Lab environment or production floor.
  • Self-directed and able to manage your own time with little oversight

Preferred Qualifications:

  • Working experience in Atlassian tools such as Jira, Confluence, Bitbucket, etc.
  • Experience with DOORS and/or EPLM.
  • Experience working with hardware programmers such as JTAG and ability to set up test equipment to support software development
  • Experience in other Object Oriented Programming languages like C#
  • Experience in embedded systems design with preemptive, multitasking real-time operating systems
Primary Level Salary Range: $0.00 - $0.00Secondary Level Salary Range: $0.00 - $0.00The 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 current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and 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 application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity 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 and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
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