Unknown Company

Sr. Embedded Software Engineer (Microservices, C++, Linux)

salem, nh • Posted 3 days ago
Onsite Full Time IT & Technology

Make an Impact on Mission-Critical Security Technology


We’re seeking a Senior Software Engineer to join a high-impact team supporting advanced, network-connected security screening systems. This is a hands-on role focused on stabilizing and enhancing production systems while contributing to next-generation (greenfield) capabilities. If you enjoy solving complex problems, improving real-world systems, and working across engineering disciplines- this role offers a strong balance of ownership, technical depth, and visible impact.


What You’ll Do



  • Architect and deliver new features that coordinate across multiple systems, designing secure and reliable inter-service communication to support them.

  • Own and enhance existing production codebases

  • Contribute to targeted greenfield development as new capabilities are introduced

  • Support software releases, debugging, and issue resolution in production environments

  • Partner with systems, test, field, and manufacturing teams to resolve integration challenges

  • Create and improve technical documentation to support long-term system sustainability


What You Bring



  • Experience with microservices architectures , including:

  • - REST APIs, gRPC/protocol Buffers

  • Message brokers

  • Containerization

  • Securing communications channels.

  • Experience in C++ , including multi-threading.

  • Proven background working in Linux environments (must-have)

  • Experience supporting distributed / networked systems in production

  • Comfortable working in and improving established codebases


What Sets You Apart



  • Experience balancing system sustainment and new development

  • Strong debugging, code review, and system-level problem-solving skills

  • Background in complex, integrated environments where uptime and reliability are critical

  • Ability to operate independently while influencing technical direction

  • Passion for improving documentation and knowledge continuity


Why This Role



  • Work on real-world, mission-critical technology

  • High visibility across cross-functional teams

  • Blend of stability work + forward-looking innovation


Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights ( notice from the Department of Labor.

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