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Senior
Principal Software Engineer / Sr. Principal Software Engineer
Confirmed live in the last 24 hours
Northrop Grumman
Compensation
$98,400.00 - $147,600.00
United States-Florida-Melbourne
On-site
Posted April 23, 2026
Job Description
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 Aeronautics Systems has an opening for a Principal Software Engineer / Sr. Principal Software Engineer to join our team of qualified, diverse individuals. This position will be located onsite in Melbourne, Florida.
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
This requisition may be filled at either a Principal Software Engineer level 3 or a Sr. Principal Software Engineer level 4
Basic Qualifications for a Principal Software Engineer (level 3):
- Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 5 years of related engineering experience; OR a Master’s degree in a STEM discipline and 3 years of related engineering experience; OR a PhD in a STEM discipline and 1 years of related engineering experience.
- Demonstrated Professional Experience with Agile Framework within the last 3 years.
- Demonstrated Professional Experience developing software and scripts in C, Object Oriented C++ AND/OR Python for Safety/Mission-Critical applications/Systems within the last 3 years.
- Demonstrated Professional Experience with Software Change Control, Change Management, and CI/CD tools such as: Atlassian (Jira, Confluence, Bitbucket, Bamboo), AND/OR GitHub, GitLab, Jenkins, Docker, Kubernetes within the last 3 years.
- Demonstrated Professional Experience architecting, Designing, Modeling (Rhapsody OR Cameo), Implementing, Maintaining, Integrating, Debugging, Verifying and Qualifying Safety/Mission-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 within the last 3 years.
- Demonstrated Professional Experience with Static & Dynamic Code Analysis Tools and Fuzzing Tools such as: Coverity, SonarQube, AND/OR Fortify within the last 3 years.
- Active DoD Secret level clearance OR Top Secret (in-scope)
- Ability to obtain and maintain initial Special Program Access (SAP/PAR). This SAP/PAR must be obtained prior to commencement of employment and must be obtained within a reasonable amount of time as determined by the company to meet its business needs
Basic Qualifications for a Sr. Principal Software Engineer (level 4):
- Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 8 years of related engineering experience; OR a Master’s degree in a STEM discipline and 6 years of related engineering experience; OR a PhD in a STEM discipline and 4 years of related engineering experience.
- Demonstrated Professional Experience with Agile Framework within the last 3 years.
- Demonstrated Professional Experience developing software and scripts in C, Object Oriented C++ AND/OR Python for Safety/Mission-Critical applications/Systems within the last 3 years.
- Demonstrated Professional Experience with Software Change Control, Change Management, and CI/CD tools such as: Atlassian (Jira, Confluence, Bitbucket, Bamboo), AND/OR GitHub, GitLab, Jenkins, Docker, Kubernetes within the last 3 years.
- Demonstrated Professional Experience architecting, Designing, Modeling (Rhapsody OR Cameo), Implementing, Maintaining, Integrating, Debugging, Verifying and Qualifying Safety/Mission-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 within the last 3 years.
- Demonstrated Professional Experience with Static & Dynamic Code Analysis Tools and Fuzzing Tools such as: Coverity, SonarQube, AND/OR Fortify within the last 3 years.
- Active DoD Secret level clearance OR Top Secret (in-scope)
- Ability to obtain and maintain initial Special Program Access (SAP/PAR). This SAP/PAR must be obtained prior to commencement of employment and must be obtained within a reasonable amount of time as determined by the company to meet its business needs
Preferred Qualifications for both a Principal Software Engineer and Sr. Principal Software Engineer:
- Differentiating characteristics include demonstrated leadership, teamwork capabilities, strong time management, organizational, and interpersonal communication skills.
- Ability to collaborate with systems engineers, hardware designers and integration/test engineers to develop and maintain complex software systems
- 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 Experience with software network interfaces and troubleshooting networks (TCP/IP, UDP, LAN, VLAN, SNMP or others).
- Current Special Access Program (SAP) access.
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