Principal Software Engineer

BAE Systems • Nashua, NH, United States • Posted June 03, 2026

Location Nashua, NH
Job Type Full-time
Category other-general
Posted June 03, 2026
**Job Description**
**We are seeking a highly skilled and experienced Principal Python Engineer to join the Digital Architecture Team (DAT), leading the design, development, deployment, and sustainment of mission-critical backend systems. The ideal candidate will bring deep expertise in Python microservice frameworks, DevSecOps pipelines using GitLab, and on-premises deployment strategies, with additional experience in containerization and Kubernetes.**

**Key Responsibilities:**

+ **Lead the architecture and development of scalable Python-based microservices.**
+ **Collaborate with cross-functional teams to identify opportunities for digital transformation and develop solutions that enhance people's abilities, while ensuring repeatability, reliability, and sustainability**
+ **Develop and maintain software libraries and frameworks that support modular software architecture and integration with existing infrastructure, with a focus on 5S principles (sort, s...

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