Principal Engineer Software - Embedded and Real Time (Oklahoma & Florida)

Company: Northrop Grumman
Location: Oklahoma City
Posted on: April 1, 2026

Job Description:

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 25% 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 Aeronautics Systems has an opening for a Principal Software Engineer - Embedded and Real Time to join our team of qualified, diverse individuals. This position will be located onsite in Oklahoma City, Oklahoma or Melbourne, Florida . Accomplish In this role you will design, develop, integrate, modify and maintain customized or standardized embedded mission systems applications using software engineering best practices and standards, and participate in the full life-cycle of software development, to include requirements development, modeling and design, application development, unit to CSCI testing, integration, formal system testing, release, installation, and maintenance. Essential Functions: Work in an innovative environment, on significantly diverse assignments, and in collaborative team settings across all levels Participate in the full software development life cycle including requirements, design, implementation, qualification, and delivery of software products to our customers Architect and develop embedded mission systems software applications on a real time operating system Be a part of Agile Scrum teams to develop software products for multiple software baselines Succeed The individual we seek will be self-motivated, proactive, goal-oriented to help us grow our services, become even better at what we do and will possess the following qualifications. Basic Qualifications: Bachelor's degree in a STEM discipline (Science, Technology, Engineering or Math) with 5 years of related experience; OR Masters degree in a STEM discipline with 3 years of related experience; OR PhD with 1 year of related experience Recent Demonstrated Professional Experience developing software and scripts in C, Object Oriented C++ AND/OR Python for Safety-Critical applications/Systems. Familiar with architecting, Designing, Modeling (Rhapsody or Cameo), Implementing, Maintaining, integrating, Debugging, Verifying and Qualifying Safety-Critical Embedded Real Time Software written in OO C++ running on Real-Time Operating Systems such as: VxWorks, Integrity, AND/OR Real Time Embedded Linux. Familiar with Static & Dynamic Code Analysis Tools and Fuzzing Tools such as: Coverity, Fortify, AND/OR SonarQube. Familiar with Software Change Control, Change Management, and CI/CD tools such as: Atlassian tool suite, GitHub, GitLab, AND/OR Jenkins. Active DoD Secret level clearance OR Top Secret (in-scope), with the ability to obtain (and maintain) special program access (PAR) prior to commencement of employment. Preferred Qualifications: Strong understanding of C and C++ languages including templates, memory storage, and compiler/linker. Ability to collaborate with systems engineers, hardware designers and integration/test engineers to develop and maintain complex software systems. Differentiating characteristics include demonstrated leadership, teamwork capabilities, and strong interpersonal communication skills. Recent Demonstrated Professional Experience with Agile Software Development, object-oriented architectures, designs, programming, debugging, and hardware-software integration and testing. Recent Demonstrated Professional Experience with Software Change Control, Change Management, Code Quality, Static Analysis, and CI/CD tools such as: Atlassian tool suite, Jira, GitHub, GitLab, SonarQube, Coverity, AND/OR Jenkins. Recent Demonstrated Professional Experience with DOORs AND/OR Software Requirement Specification Testing using Simulators, automated scripting languages such as Python, MATLAB, JavaScript, AND/OR Bash. Recent Demonstrated Professional Experience with Static & Dynamic Code Analysis Tools and Fuzzing Tools such as: Coverity, Fortify, AND/OR SonarQube. Recent Demonstrated Professional Experience architecting, Designing, Modeling (Rhapsody or Cameo), Implementing, Maintaining, integrating, Debugging, Verifying and Qualifying Safety-Critical Embedded Real Time Software written in OO C++ software running on Real-Time Operating systems such as: VxWorks, Integrity, AND/OR Real Time Embedded Linux. Primary Level Salary Range: $93,300.00 - $147,600.00 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.

Keywords: Northrop Grumman, Oklahoma City , Principal Engineer Software - Embedded and Real Time (Oklahoma & Florida), IT / Software / Systems , Oklahoma City, Oklahoma