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Optical Electrical System Test Engineer

Job in Newington, Rockingham County, New Hampshire, USA
Listing for: SUBCOM LLC
Full Time position
Listed on 2026-06-03
Job specializations:
  • Engineering
    Systems Engineer, Electrical Engineering, Test Engineer
Salary/Wage Range or Industry Benchmark: 70000 - 90000 USD Yearly USD 70000.00 90000.00 YEAR
Job Description & How to Apply Below
Location: Newington

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 - Sub Com 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 Sub Com 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), Sub Com has opportunities to advance your career.

Position Overview Optical-Electrical System Test Engineer to define, plan, and execute test programs in support of the development and delivery of undersea optical transmission systems. The successful candidate will be responsible for developing and executing qualification test plans to validate HW/SW/FW product features based upon product requirements. Responsibilities include the management of laboratory equipment to facilitate testing and troubleshooting as well as documenting test results.

The individual will report to the Manager of System Test and work as part of a team of system testers that actively collaborate with R&D, Test & Commissioning, Manufacturing, Project Management, Sales, NOC, and Field Support organizations that help design, deliver and maintain undersea optical communication systems. All aspects of optical communications will need to be covered in such work.

Some travel will be required for fieldwork. Key technologies driving test programs are DWDM transmission, coherent detection transmission, optical amplifiers, nonlinear optical transmission in fibers, optical polarization effects, OADM systems, electrical power delivery, management and reconfiguration.

Responsibilities Develop and execute test plans to validate system performance against product requirements

Plan and perform system-level testing, including DWDM transmission and standards compliance testing

Collaborate with systems, software, and hardware engineers to define test strategies and troubleshoot issues

Configure, maintain, and operate laboratory test equipment and environments

Analyze test data and document results clearly and accurately

Support integration activities, including use and modification of existing test automation scripts

Support customer demonstrations and internal system validation activities

Identify issues during testing and work with cross-functional teams to resolve them Participate in continuous improvement of test processes and lab capabilities

Qualifications

Bachelor’s degree in Electrical Engineering, Optics, Physics, or a related field (Master’s preferred)3–6 years of relevant experience in optical communications or related field

Working knowledge of optical transmission systems and basic electrical testing concepts

Experience working in lab environments with test equipment and measurement tools

Familiarity with Linux operating systems

Strong analytical and problem-solving skills

Ability to read and interpret technical requirements and specifications

Effective communication skills and ability to work collaboratively across teams

Experience with test automation tools or scripting (e.g., Python, Shell, or similar)
Familiarity with telecom standards and compliance testing

Exposure to system integration or field-testing environments

NOTE:

This job description is not intended to be all-inclusive. Employee may perform other related duties as negotiated to meet the ongoing needs of the organization.

Candidates for positions with Sub Com must be legally authorized…
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