Sr Principal Software Engineer

Northrop Grumman • San Diego, CA

3d • $116,300 - $213,400 • Onsite

About The Position

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 is seeking a Senior Principal Software Engineer to join our team on site in San Diego, CA or Oklahoma City, OK. The ideal candidate is a self-starter with experience working in an Integrated Product Team (IPT) environment. In this role, you will be a key member of the Models & Simulation team, leading the planning, integration, and delivery of software releases, as well as diagnosing and resolving complex technical issues.

Requirements

• 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.
• Experience with the full SW Development Life Cycle (SDLC)
• Experience with the following programming and scripting languages: C/C++, and Python
• Experience with developing multi-threaded SW
• Experience with two of the following tools: Jira, Crucible, Bitbucket, Gitlab, Subversion, Bamboo, Jenkins, Sonarqube, Fortify, or Coverity
• Experience with Agile SW development, embedded system programming, SW integration and testing
• Familiarity with at least one of the wire data interfaces: 1553, 1394, Serial, CAN, Ethernet/IP, or Fibre Channel, etc.
• Excellent communication, interpersonal skills, and the ability to interface with all levels of employees and management
• Experience and proficiency in software architecture, design, implementation, integration, and debugging C++ SW running on Real-Time Operating systems such as: VxWorks, Integrity, AND/OR Real Time Embedded Linux.
• Ability to collaborate with systems engineers, hardware designers and integration/test engineers to develop and maintain complex SW systems
• Active in-Scope, U.S. Government Top Secret clearance.
• 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. (Of note: SAP/PAR will be upgraded once selected candidate is in role. Therefore, candidate must also be able to obtain and maintain upgraded SAP/PAR.)

Nice To Haves

• Current applicable Special Access Program (SAP) clearance.
• Active U.S. Government Top Secret SCI clearance (with a background investigation within the past 5 years or enrolled into Continuous Evaluation).
• Demonstrated leadership, teamwork capabilities, excellent oral and written communications skills, and strong interpersonal communication skills.
• Demonstrated professional experience developing software Java
• Can identify moderate execution defects by only reading code
• Understanding of how their embedded SW component will fit into a larger SW system / architecture
• Able to document, capture, and present software architectural components in modeling or diagramming tools
• Experience with Static & Dynamic Code Analysis

Responsibilities

• Provide technical leadership for the development, implementation, and maintenance of modular simulation and modeling software (e.g., C++, Python), guiding the team in architecture, standards, and best practices.
• Lead the integration of simulation components with system interfaces, middleware, and test harnesses; establish integration strategies and ensure interoperable data flows and real-time performance across the team.
• Define and oversee verification and validation strategies, review test plans and results, and direct the resolution of defects to ensure model fidelity, accuracy, and traceability to requirements.
• Drive performance and scalability optimization efforts; set priorities for profiling and tuning, reduce latency, and champion CI/CD pipelines for automated builds, testing, and deployments.
• Coordinate with systems engineers, testers, and stakeholders to translate requirements into simulation capabilities and scenarios; review and approve technical documentation; and lead technical presentations and demonstrations.

Benefits

• Relocation assistance may be available
• health insurance coverage
• life and disability insurance
• savings plan
• Company paid holidays and paid time off (PTO) for vacation and/or personal business
• overtime
• shift differential
• a discretionary bonus

What This Job Offers

• Job Type: Full-time
• Career Level: Senior