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Hardware Design Engineer - Optical Solutions

Molex and Careers
Fremont, CA Full Time
POSTED ON 4/9/2026
AVAILABLE BEFORE 5/9/2026
Molex is a global leader in the optical industry, renowned for delivering high-performance, field-proven wavelength management solutions. Our expertise spans components, modules, and integrated line-cards, with a strong focus on innovation, miniaturization, and manufacturing automation. Our advanced optical, mechanical, electrical, and software design capabilities support the evolving needs of high-density, high-bandwidth, and flexible optical networks across telecom, datacom, hyperscale datacenters, artificial intelligence, and supercomputing.

Based in Fremont, CA, you'll join a team serving global telecom and datacom clients, developing next-generation optical modules for AI and 5G networks. We're expanding our capabilities and seeking an Electrical Engineer to drive hardware design for cutting-edge optical networking products.

What You Will Do

  • Design, review, and enhance architectures for optical amplifiers (EDFA and Raman), CPU system controllers, line cards, backplanes, modules, sub-systems, and other electronic designs to meet all performance specifications and requirements.
  • Collaborate with cross-functional teams, including optical, hardware, mechanical, software, and process engineers, to deliver high-performance, cost-effective, and robust products, ensuring efficient and repeatable manufacturing.
  • Oversee product development from concept through architecture, implementation, testing, debugging, verification, and volume production.
  • Recommend and implement innovative solutions to meet customer performance, cost, schedule, and other requirements.
  • Select components, generate schematic designs, and create PCB layout instructions; work closely with FPGA, software, mechanical, thermal, optical, and process teams to optimize designs.
  • Perform high-speed signal circuit simulations using tools such as HFSS, ADS, or similar.
  • Conduct board bring-up, debugging, and validation of electronic systems; run experiments to characterize and validate components and subsystems.
  • Document design processes and experimental results.
  • Develop bring-up, DVT, manufacturing, assembly, diagnostic, test, and qualification plans; provide technical guidance to resolve manufacturing issues.
  • Address customer technical issues in collaboration with FAE, QA, and technical support teams.
  • Work with global teams on new product designs.

Who You Are (Basic Qualifications)

  • Bachelor's degree in Electrical Engineering.
  • Minimum 3 years of electrical engineering experience in telecom, datacom, or related fields.
  • Proficiency with electronic design and simulation tools (OrCAD with CIS, Allegro, HFSS).
  • Skilled in high-speed board design and signal integrity.
  • Knowledge of high-speed digital transmission

What Will Put You Ahead

  • Master's degree in Electrical Engineering.
  • 5-7 years of hardware design experience for senior-level consideration.
  • Experience with optical electronics.
  • Expertise in designing for ESD, EMI, immunity, and other compliance and safety standards.

For this role, we anticipate paying $130,000 - 225,000 per year depending on the level of experience. 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 , aquí , or tu ).

Salary : $130,000 - $225,000

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