Sr Principal Software Engineer – TRK

Position

Sr Principal Software Engineer – TRK (26-140) – Northrop Grumman Space Systems, Huntsville, AL.
Relocation assistance:
None.
Travel:
No.
On‑site work required.

• Perform in‑depth analysis, support, design, testing, and user support of systems software, including problem resolution and integration.
• Maintain currency, debug, and configure related software products.
• Develop or modify operating system applications from specifications.
• Design, code, benchmark test, debug, and document programs.
• Collaborate with other system support groups to solve issues, set standards, and improve OS efficiency.
• Design, code, test, and implement tools for operations automation.
• Handle multiple phases of software systems programming; provide guidance in other phases as needed.
• Lead small software‑focused teams when required.

• Current, active DoD‑issued Secret security clearance required at start of employment.
• Academic degree:
  Bachelor’s in Computer Science, Software Engineering, Mathematics, Physics, or a related field plus 8 years experience; or Master’s plus 6 years experience; or 12 years experience in lieu of a degree.
• Strong Java/J2EE experience with enterprise application development on Linux (Windows experience also desired).
• Experience applying Kalman filter techniques (EKF/UKF) to sensor fusion, navigation, or tracking problems.
• Knowledge of coding standards, automated testing, build pipelines, and configuration management.
• Excellent oral and written communication skills, ability to work in a rapid‑paced team environment.
• Extensive experience with Java core libraries and toolkits.
• Demonstrated small‑team leadership: coordinating tasks, facilitating meetings, setting goals (Agile team leadership strongly desired).
• Knowledge of server‑side/database development and computer system administration; experience with net‑centric, horizontal integration programs is a plus.
• Strong problem‑solving skills: reviewing performance, identifying root causes, recommending, designing, and implementing solutions.
• Proficiency with Maven, Git/Git Hub, Nexus, Eclipse, and other development tools.
• Experience with Agile development methodologies.
• Understanding and application of system engineering design artifacts such as Use Cases and SysML diagrams.
• U.S. citizenship required for all positions with government clearance.

• Experience in command and control system application development.
• Experience with software integration and formal testing.
• Knowledge of Cyber Security/RMF requirements.
• Ability to present advanced concepts to non‑software engineers, including senior leaders.
• Mentoring and teaching junior engineers.
• Experience with performance modeling, microservices, and Dev Sec Ops  or build management.
• Experience designing and building graphical user interfaces.
• Flexibility and willingness to take on unanticipated tasks.

• Health plan.
• Savings plan.
• Paid time off (PTO).
• Education assistance.
• Training and development.
• Flexible work arrangements.

Primary Level Salary Range: $ – $. Salary determined by scope, responsibilities, experience, education, skills, and market conditions.

Northrop Grumman is an Equal Opportunity Employer. We consider 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 our website. U.S. citizenship is required for all positions with a government clearance and certain other restricted positions.