Principal Software Engineer at Northrop Grumman | United States | Rezi

Principal Software Engineer at Northrop Grumman

Principal Software Engineer

Northrop Grumman · United States

5 days ago

Principal Software Engineer

Northrop Grumman · United States

6 days ago
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About the Role

Northrop Grumman Aeronautics Systems is seeking a Principal Software Engineer to join their Models & Simulation team. This role involves planning, integration, and delivery of software releases, as well as troubleshooting technical issues. The position is based on-site in San Diego, CA, or Oklahoma City, OK.

Responsibilities

  • Develop, implement, and maintain modular simulation and modeling software (e.g., C++, Python) to support system behaviors and scenarios.
  • Integrate simulation components with system interfaces, middle-ware, and test harnesses; ensure interoperable data flows and real-time performance.
  • Design and execute verification and validation tests, analyze results, identify defects, and implement fixes to ensure model fidelity and accuracy.
  • Optimize simulation performance and scalability; profile code, reduce latency, and support CI/CD pipelines for automated builds and deployments.
  • Collaborate with systems engineers, testers, and stakeholders to translate requirements into simulation scenarios, produce technical documentation, and support demonstrations.

Requirements

  • Bachelor’s Degree in a STEM 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 year of related engineering experience.
  • Demonstrated professional experience developing software and scripts in C/C++ AND Python.
  • Demonstrated professional experience with software change control, and change management such as: Atlassian tool suite, GitHub, AND/OR GitLab.
  • Demonstrated Professional Experience with the full Software Development Life Cycle (SDLC).
  • Demonstrated professional experience with static code analysis tools such as: Coverity, SonarQube, AND/OR Fortify.
  • Active U.S. Government Top Secret clearance (with a background investigation within the past 5 years or enrolled into Continuous Evaluation).
  • Ability to obtain and maintain initial Special Access Program (SAP) access via a Program Access Request (PAR).
  • Ability to obtain and maintain subsequent SAP PARs following commencement of employment.

Skills

  • C++
  • Python
  • Atlassian tool suite
  • GitHub
  • GitLab
  • Coverity
  • SonarQube
  • Fortify
  • Java
  • TCP/IP
  • UDP
  • LAN
  • VLAN
  • SNMP

Location

  • San Diego, CA
  • Oklahoma City, OK

Work Type

  • On-site
  • Full-time

Experience Level

  • 5 years of related engineering experience (with Bachelor's)
  • 3 years of related engineering experience (with Master's)
  • 1 year of related engineering experience (with PhD)

Education Level

  • Bachelor’s Degree in STEM
  • Master's Degree in STEM
  • PhD in STEM

Salary/Compensations

  • $93,300.00 - $171,000.00

Benefits

  • Relocation assistance may be available
  • Overtime
  • Shift differential
  • Discretionary bonus
  • Long Term Incentives (for VP/Director positions)
  • Health insurance coverage
  • Life and disability insurance
  • Savings plan
  • Company paid holidays
  • Paid time off (PTO)

About the Company

  • At Northrop Grumman, 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.
  • 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.

Equal Opportunity

  • 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.
  • U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.