Senior Software Systems Engineer (5797)

  • Subcom, LLC
  • Newington, New Hampshire
  • Full Time

Are you looking for an opportunity with plenty of growth potential? Do you enjoy working in an exciting, fast-paced, collaborative environment? Are you interested in working with the world's most innovative companies to create a more connected world?

Connecting Continents. Impacting Communities.

The backbone of the Internet is a series of high-tech subsea fiber optic cables deployed throughout the globe - SubCom has deployed over 50% of them. Our employees ensure data communications networks are engineered, manufactured, deployed to the highest standards, enabling faster and more reliable connectivity to communities worldwide. Every member of the SubCom team plays a role in an end-to-end process that is critical to enterprises, governments, big cities, and rural towns.

We encourage, expect, and value creativity, thoughtful risk taking, openness to change, and diverse perspectives. Whether you're a seasoned applicant seeking a new and exciting challenge, or you're new to the workforce and looking for a flexible, rewarding, and fast-paced position with an innovative and stable organization (since 1953), SubCom has opportunities to advance your career.

Responsibilities

  • Design, develop, and maintain software that supports fiberoptic communication systems, with awareness of underlying physical and optical behaviors.
  • Apply system requirements to create reusable, maintainable software features delivered on schedule.
  • Implement and support secure software services, including RESTful and OpenConfig APIs, used in operational network environments.
  • Develop automated unit and integration tests to ensure software correctness, reliability, and security.
  • Analyze existing systems to diagnose software defects, performance issues, and security vulnerabilities, and implement effective solutions.
  • Support ongoing operation and maintenance of fiber communication systems by software simulation and correlating software behavior with physical system characteristics.
  • Collaborate with crossfunctional engineering teams to resolve issues and improve system functionality and robustness.
Job ID: 516507874
Originally Posted on: 4/8/2026

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