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Optical Electrical System Test Engineer (6558)

SubCom
Newington, NH Full Time
POSTED ON 5/27/2026
AVAILABLE BEFORE 7/26/2026

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. 

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:

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 SubCom must be legally authorized to work in the United States. Employment eligibility verification will be required at the time of hire. Visa sponsorship is not available for this position. 

Our selection procedure is based on local, state and federal law. Please be sure to attach a resume to your application. We are not able to consider applications without a resume. 

BENEFITS 
SubCom offers a comprehensive benefits package, including but not limited to: competitive salaries, medical, dental, vision, life and disability insurance coverages, FSA, HSA, generous vacation, paid sick leave, paid parental leave, paid holidays, tuition reimbursement, adoption assistance, and a 401(k) plan with generous company match. Additionally, some positions may be eligible for shift differential. Note: If the posting is for an internship position, delete all benefit information. 

AFFIRMATIVE ACTION/EQUAL EMPLOYER OPPORTUNITY 
SubCom is committed to providing a work environment that prohibits discrimination on the basis of age, color, disability, ethnicity, marital status, national origin, race, religion, gender, gender identity, sexual orientation, protected veteran status, disability or any other characteristics protected by applicable law or regulation. 

SubCom engineers, manufactures, and installs subsea fiber optic data cables - the unsung heroes of global communication. With an unrelenting focus on quality, reliability, and value, SubCom offers flexible end-to-end building blocks for the high-tech networks that are the backbone of the world's digital infrastructure. While the company's origins date back to the mid-19th century, SubCom has deployed enough cable to circle the equator more than 25 times since its entry into the communications industry in 1955. 

SUBCOM’S CORE VALUES 
Quality - Accountability - Teamwork - Innovation 

Salary.com Estimation for Optical Electrical System Test Engineer (6558) in Newington, NH
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