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Test Engineering Manager - Optical Solutions

Molex
life insurance, parental leave
United States, California, Fremont
Jul 30, 2025

Molex possesses a rich heritage in the optical industry. We provide the highest performing and field-proven optical solutions from components, modules to integrated line-cards. We provide cutting edge wavelength management and amplifier technologies. Our comprehensive optical, mechanical, electrical and software integration capabilities enable us to serve the needs of high-density, high-bandwidth, and flexible optical networks.

Our Opto-Electronics team is looking for a Test Engineering Manager to lead Test Engineering and Development for optical transceiver system and parametric testing.

We're looking for a driven and knowledgeable Test Engineering Manager to lead the development of our next-generation optical test platforms. This will be a hands-on leadership role.


What You Will Do

  • Lead and guide a multidisciplinary team through test engineering architecture, integration, and verification of complex optical devices.
  • Play a critical role in ensuring the team delivers production and NPI solutions to the highest standards of software development while also helping to shape the future of test development.
  • Manage the activities of the team and be responsible for staffing decisions, training, development, and performance management of the staff.
  • Deliver software to test requirements, be able to compile and analyze data (JMP, MATLAB), and make recommendations for changes to test methods, equipment, manufacturing processes, or requirements.
  • Review and recommend the purchase of test equipment and/or collaborate with external vendors for custom test software/equipment development.
  • Build, develop, and evaluate personnel to ensure the efficient operation of the department.
In This Role, You Will
  • Lead and Inspire: Manage and mentor a team of software engineers working on test development for advanced PIC based transceiver modules.
  • Architect the Future: Oversee test framework design, test requirements, and risk management throughout the product lifecycle process.
  • Own the Test Strategy: Develop and execute robust production test systems that are scalable, reliable, well documented, and meet all the test requirements for both specifications and operations expectations.
  • Build Smart Tools: Lead test method development, including automated test equipment and simulated use protocols for both module and sub-assembly testing.
  • Collaborate Cross-Functionally: Work closely with other groups, software development, hardware development, program management, operations and quality teams to ensure all expectations and deliverables are met.
  • Solve Complex Problems: Drive root cause analysis (8D) and resolution of test related issues during development and production stages. Clearly identify the root cause and corrective actions required.
  • Ensure Traceability: Maintain clear documented traceability from requirements through design, verification, and deployment. Experienced in PLM, ECN and CCB procedures.
  • Continuously Improve: Be the champion of best practices in the entire test engineering and development processes, tools, and methodologies. Analyze, initiate and implement improvement plans to enhance production test yields, cycle time and product quality.

Who You Are (Basic Qualifications)

  • Bachelor's in Computer Science or related field.
  • At least 8 years of experience in test engineering/development of transceiver modules
  • At least 3 years in a leadership role within the optical communications industry
  • Proven track record with complex testing of optical devices - ideally in 400G/800G PAM4 or Coherent transceiver modules.
  • Expertise in Python development
  • Experience with Gitlab, Gitflow, CI/CD, Pytest, and other best practices for code development and integration.
  • Knowledge of tools like Jira, Confluence, and LabVIEW.
  • Proven leadership, communication, and cross-functional collaboration skills.
  • Experience with optical systems, test automation and mass production of optical devices.
  • Experience with Scrum based development.
  • This role is not eligible for visa sponsorship

What Will Put You Ahead

  • Masters degree
  • Expert Python developer using SDLC.
  • Optical Engineering or transceiver experience.
  • Test development for mass production

This is an on-site position in Fremont, CA managing a team in Fremont, CA and Carlsbad, CA. with some requirements for domestic and international travel.


For this role, we anticipate paying $190,000 - 235,000 per year. This role is eligible for variable pay, issued as a monetary bonus or in another form.

At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location. If you have questions, please speak to your recruiter about the flexibility and detail of our compensation philosophy.

Hiring Philosophy

All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here.

Who We Are

At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.

Our Benefits

Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength - focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes - medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance. Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region. If you have questions on what benefits apply to you, please speak to your recruiter.

Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.

Equal Opportunities

Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please click here for additional information. (For Illinois E-Verify information click here, aqui, or tu).

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