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Semiconductor Laser Engineer

Molex
life insurance, parental leave
United States, California, Fremont
Nov 14, 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.

The Semiconductor Laser Engineer/Specialist will be responsible for driving the selection, performance management, and reliability assurance of semiconductor lasers used in Molex's products. This role involves close collaboration with product design teams, manufacturing, suppliers, and customers to ensure laser components meet stringent quality and reliability standards. The role demands expertise in failure analysis, supplier development, and technical training to support internal stakeholders and maintain robust laser technology integration.


What You Will Do

  • Laser Selection and Product Development: Collaborate with product design teams to select semiconductor lasers that meet product requirements and performance expectations.
  • Perform initial Points of View (POV) for laser supplier selection, including technology maturity assessments and recommendations on engineering components and suppliers.
  • Lead Failure Mode and Effects Analysis (FMEA) for lasers during new product development to proactively identify and mitigate risks.
  • Performance and Reliability Management: Define, implement, and manage performance and reliability requirements for semiconductor lasers aligned with product specifications.
  • Set and enforce quality and reliability standards with laser suppliers to ensure consistent compliance.
  • Facilitate laser supplier development through risk assessments, identifying quality gaps, and driving continuous improvement plans.
  • Failure Analysis and Communication: Lead failure analysis investigations for laser failures, working closely with internal teams, suppliers, and customers.
  • Act as the primary point of contact and Subject Matter Expert (SME) for in-depth laser failure analysis and reliability studies.
  • Manage technical communication with vendors and customers regarding laser-related quality issues and resolution strategies.
  • Technical Support and Training: Provide ongoing technical support to process engineers, manufacturing engineers, and technicians on laser-related issues.
  • Develop and deliver training programs to build internal laser know-how and competencies across relevant teams.
  • Maintain up-to-date knowledge of semiconductor laser technologies and industry best practices to inform engineering decisions.
  • External Collaboration and Supplier Interface: Serve as the external interface SME for laser technologies, coordinating with suppliers and customers for quality discussions.
  • Drive supplier development initiatives, including audits, quality improvement plans, and risk mitigation strategies.
  • Monitor supplier performance metrics and escalate issues proactively to maintain supply chain robustness.

Who You Are (Basic Qualifications)

  • PhD in Photonics, Optical or related laser technology
  • Expertise in semiconductor laser technologies and applications.
  • Proven experience in FMEA, failure analysis, and reliability engineering.
  • Excellent communication skills for cross-functional and external stakeholder engagement.
  • Ability to evaluate supplier technology maturity and quality systems.
  • Strong project management and problem-solving capabilities.
  • Experience in training and knowledge transfer within technical teams.

For this role, we anticipate paying $170,000 - $230,000 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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