Principal Engineer Software/Sr. Principal Engineer Software
Northrop Grumman· enterprise· Defense· Oct 19, 2026 · 8d ago
United States-California-Woodland Hills · United States-Ohio-Beavercreek
In office
Full-time
Principal
$143K–$219K est.
5+ years exp
Job description
RELOCATION ASSISTANCE: Relocation assistance may be available
CLEARANCE REQUIRED FOR START: No
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 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 Mission Systems is a trusted provider of mission-enabling solutions for global security. Our Engineering and Sciences (E&S) organization pushes the boundaries of innovation, redefines engineering capabilities, and drives advances in various sciences. Our team is chartered with providing the skills, innovative technologies to develop, design, produce and sustain optimized product lines across the sector while providing a decisive advantage to the warfighter. Come be a part of our mission!
We are looking for you to join our team as a Principal or Senior Principal Software Engineer in Woodland Hills, CA . As a Software Engineer at Northrop Grumman Mission Systems you will have a challenging and rewarding opportunity to be a part of our Enterprise-wide digital transformation. Through the use of Model-based Engineering and Agile practices we continue to evolve how we deliver critical national defense products and capabilities for the warfighter. Our success is grounded in our ability to embrace change, move quickly and continuously drive innovation. The successful candidate will be collaborative, open, transparent, and team-oriented with a focus on team empowerment & shared responsibility, flexibility, continuous learning, and a culture of automation.
What You’ll get to Do :
In this position you will be developing, testing, and debugging software for our cutting edge Navigation systems. As a member of our world class software development team, you will have opportunities to improve and expand your capabilities in software design and code development. You will also have opportunities to perform software and system integration on state of the art hardware, learn new software development techniques such as Model Based Engineering (MBE), and work in an agile and collaborative development environment.
As a successful candidate, you will collaborate with peers across our organization and will have clearly demonstrated the strong leadership skills needed to join our top performing team. You will have a track record as an effective communicator and problem solver who is able to develop and maintain good working relationships with our internal and external customers. You will also have demonstrated a commitment to ethics and integrity, and the capability to innovate while challenging our traditional ways of doing business. You will make us even better!
This requisition may be filled as a Principal Software Engineer or Senior Principal Software Engineer
Basic Qualifications for Principal Software Engineer :
• Bachelors degree in STEM with 5 years of hands on Software Development experience; 3 years of experience with Masters in STEM; 1 year with a PhD in STEM
• Experience developing software in MATLAB/Simulink
• Experience with development in at least one programming language: C, C++, and/or Python
• Experience using software management and workflow automation tools such as ClearCase, Git, ClearQuest, or Jira
• Experience with navigation algorithms
• Demonstrated ability to work in a collaborative development environment
• U.S. Citizenship is required
• Ability to obtain and maintain a U.S. Government Secret clearance is required
• Required to work on site full-time
Basic Qualifications for Senior Principal Software Engineer :
• Bachelors degree in STEM with 8 years of hands on Software Development experience; 6 years of experience with Masters in STEM; 4 Years with a PhD in STEM
• Experience developing software in MATLAB/Simulink
• Experience with development one programming lanaguage in C, C++, and/or Python
• Experience using software management and workflow automation tools such as ClearCase, Git, ClearQuest, or Jira
• Experience with navigation algorithms
• Demonstrated ability to work in a collaborative development environment
• U.S. Citizenship is required
• Ability to obtain and maintain a U.S. Government Secret clearance is required
• Required to work on site full-time
Preferred Qualifications :
• Current/Active U.S. Government Secret clearance
• Experience in the development and performance of software tests
• Experience using DOORS for software requirements management
• Expertise in Sensor Fusion for Navigation Systems using IMU (Inertial Measurement Unit), GPS, barometers, and other sensors
• Expertise in INS (Inertial Navigation System)
• Expertise in Embedded INS/GPS (Global Positioning System) navigation systems
• Demonstrated capability to translate formal software requirements into software designs
• Demonstrated capability to define software requirements for an INS/GPS system
• Experience developing, verifying, certifying and releasing mission and safety-critical software systems that comply with RTCA DO-178B/ C or similar guidelines
• Hands-on experience with one or more communication protocols such as MIL-STD-1553, ARINC-429 or RS-422
• Experience with code analysis tools such as Polyspace and software test tools such as LDRA and VectorCast
Primary Level Salary Range: $114,000.00 - $171,000.00
Secondary Level Salary Range: $142,200.00 - $213,400.00
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 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 northropgrumman.com. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
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Benefits
Benefits detected in the listing.
Health Insurance
Pto
Paid Time Off