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The job in short
Principal software engineer.
Details
- Found
- 17 d ago · posted 2026-10-07
- Location as listed
- Nashua, New Hampshire
- Role
- Software Engineer
- Source
- The company’s own careers site
Full description
Architect the Bridge Between Legacy Innovation and Future Production
BAE Systems Inc. is dedicated to protecting those who protect us. We develop and support the most complex systems in the world, where reliability is not just a requirement, it is a mission-critical necessity.
The Challenge
The primary challenge for this role is the coexistence of the old and the new. You will inherit a complex ecosystem of equipment that needs to support our current production but also be ready for the coming challenges. Your mission is to architect a cohesive, modern Test Software framework that doesn't just copy these legacy systems, but systematically refactors and migrates them into a scalable, production-ready environment that will last for decades.
Your Impact
• Technical Strategy & Planning: Develop comprehensive architectural plans and technical recommendations for the software roadmap, ensuring legacy systems are modernized without disrupting active production schedules.
• Decisive Technical Leadership: Act as the primary authority for software architectural choices. You will provide the technical foresight and trade-off analyses necessary to balance purity with cost/schedule, and proactively drive leadership to make critical decisions to ensure program momentum.
• Cross-Functional Partnership: Work in lock-step with System and Hardware Leads to ensure a seamless "systems-of-systems" approach, ensuring software architecture is perfectly aligned with hardware capabilities.
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