Software Engineer Guidance Navigation Control
Software EngineeringPosted 4 Aug 2026
Advertised as “Principal/Sr Principal Software Engineer Guidance Navigation Control (GNC)”
Posted 4 Aug 2026
Advertised as “Principal/Sr Principal Software Engineer Guidance Navigation Control (GNC)”
The original posting with the fluff stripped out
| Base salary | US$103,500 – US$194,000 / yr |
|---|
Field of studySTEM (or related)
Study levelBachelor's or higher
RELOCATION ASSISTANCE: Relocation assistance may be available
CLEARANCE REQUIRED FOR START: No
CLEARANCE TYPE: Secret
TRAVEL: Yes, 10% of the Time
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 - Guidance Navigation Control (GNC) based out of Beavercreek, OH. 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 in Guidance Navigation Control (GNC)
Basic Qualifications for Principal Software Engineer:
Bachelors degree in STEM discipline with 5 years of hands on Software Development experience; Masters in STEM discipline with 3 years of hands on Software Development experience; PhD in STEM discipline with 1 year of hands on Software Development experience
Experience developing software in MATLAB/Simulink
Experience with programming (C and Python)
Experience using software management and workflow automation tools such as ClearCase, Git, ClearQuest, or Jira
Experience with using MATLAB to create, process, analyze, and visually represent data
Experience with using Simulink to model dynamic systems
Experience using Model Based Engineering tools
Experience with INS/GPS Kalman filter design and requirements definition
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 at our Beavercreek, OH facility.
Basic Qualifications for Senior Principal Software Engineer:
Bachelors degree in STEM discipline with 8 years of hands on Software Development experience; Masters in STEM discipline with 6 years of hands on Software Development experience; PhD in STEM discipline with 4 year of hands on Software Development experience
Experience developing software in MATLAB/Simulink
Experience with programming (C and Python)
Experience using software management and workflow automation tools such as ClearCase, Git, ClearQuest, or Jira
Experience using MATLAB to create, process, analyze, and visually represent data.
Experience using Simulink to model dynamic systems.
Experience with Navigation Systems and INS/GPS Kalman filter design and requirements definition
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 at our Beavercreek, OH facility.
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 algorithms such as Kalman Filtering
Expertise in INS (Inertial Navigation System) mechanizations
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
Familiarity with/Experience in INS/GPS Kalman filter design and requirements definition
Experience developing, verifying, certifying and releasing mission and safety-critical software systems that comply with RTCA DO-178B/ C or similar guidelines.
Demonstrated use of MATLAB for simulation and INS/GPS system performance evaluation
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: $103,600.00 - $155,400.00
Secondary 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 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.