Senior Software Systems Engineer (5797)

SubCom•Newington, NH

About The Position

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.

Requirements

Graduate degree in Science, Technology, Engineering, or Mathematics—such as Physics, Optical Engineering, Electrical Engineering, Computer Science, or a closely related discipline—with strong physical understanding of fiber‑optic communication systems, including optical components and system‑level behavior.
Proficiency in software development using C++, C#, SQL, and modern web technologies (e.g., ReactJS).
Solid knowledge of software algorithms, data structures, and object‑oriented design principles.
Experience with RESTful APIs, Open API / OpenConfig specifications, and Linux‑based development environments (preferably Red Hat).
Familiarity with automated software testing practices and source control systems.
Understanding of web and application security fundamentals as applied to software development.
Effective written and verbal communication skills and ability to work collaboratively in a technical team environment.

Responsibilities

Design, develop, and maintain software that supports fiber‑optic 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 cross‑functional engineering teams to resolve issues and improve system functionality and robustness.