Principal Software Engineer (Active Secret Clearance Required)
United States-Oklahoma-Oklahoma City Full-time Senior Engineering Leadership
At a glance
Senior Engineering Leadership role at Ngc. United States-Oklahoma-Oklahoma City · full-time · $93,300–$139,900 base.
SalaryStated by Ngc
$93,300 – $139,900
Base salary for this role, in USD per year, as published in the posting.
RoleEngineering Leadership
SenioritySenior
LocationUnited States-Oklahoma-Oklahoma City
EmploymentFull-time
Base pay$93,300–$139,900
PostedSep 30, 2026
Role brief
techroles summary, based on the employer's posting.
What you'll do
- Build and sustain software across several programs, covering design, development, testing and integration
- Contribute DevOps expertise to modernization and ongoing software support efforts
- Work across the development lifecycle on software for flight, mission, lab and engineering tools
What you bring
- A STEM bachelor's degree plus five years of related work, a master's plus three years, or a doctorate plus one year
- Experience with safety-critical embedded real-time software and its development lifecycle
- Programming experience in C, C++ or Python for safety-critical applications
- An active U.S. Secret clearance, or an in-scope Top Secret clearance, plus eligibility for special program access
Who this fits
This senior engineering role is based in Oklahoma City and includes travel around ten percent of the time. You need U.S. citizenship and must be able to obtain and maintain special program access. Relocation assistance may be available.
From the employer
RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: 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 is seeking an experienced Software Engineer to join our dynamic team. This position will support our Aeronautics Systems sector in Oklahoma City, OK.
The selected candidate will join our team of software engineers to:
- Support the development of Strategic Operating Units, executing both sustainment and modernization programs.
- Contribute to software engineering initiatives for several programs with software design & development, software test and integration, and DevOps expertise
- Use a variety of software languages, technologies, and industry best practices.
- Support all phases of the development life cycle for flight, mission, lab and tools software.
Basic Qualifications:
- Bachelor's degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 5 years of related experience; OR Master’s degree in a STEM discipline with 3 years of related experience; OR PhD with 1 year of related experience
- Familiar with Safety-Critical Embedded Real Time Software.
- Familiar with all phases of the software development life cycle and Agile framework as a Product Owner, SCRUM Master, and/or team member.
- Experience with developing software and scripts on various programming languages: C, C++, Python, PowerShell, VBScript, Bash, AND/OR KornShell for Safety-Critical applications/Systems.
- Familiar with Architecting, Designing, Implementing, Integrating, Verifying and Qualifying Safety-Critical Embedded Real Time Software running on various RTOS (VxWorks, Integrity, 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.
- Active U.S Government Secret level clearance OR Top Secret (in-scope), with the ability to obtain (and maintain) special program access (PAR).
Preferred Qualifications:
- Demonstrated leadership, teamwork capabilities, excellent oral and written communications skills, and strong interpersonal communication skills at all levels of employees and management.
- Experience with Agile Software Development, object-oriented architectures, designs, programming, debugging, and hardware-software integration and testing.
- 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
- Experience architecting, Designing, Modeling (Rhapsody or Cameo), Implementing, Maintaining, integrating, and Debugging OO C++ software running on Real-Time Operating systems such as: VxWorks, Integrity, AND/OR Real Time Embedded Linux.
- Experience with DOORs AND Software Requirement Specification Testing using Simulators, automated scripting languages such as Python, MATLAB, JavaScript, AND/OR Bash.
- Experience with Static & Dynamic Code Analysis Tools and Fuzzing Tools such as: Coverity, Fortify, AND/OR SonarQube
- Experience with software network interfaces -and troubleshooting networks (TCP/IP, UDP, LAN, VLAN, SNMP or others).