Assistant Engineer

Molex has a rich heritage in the optical industry, offering high-performance, field-proven wavelength management solutions-from components and modules to integrated line cards. Our continuous innovation in passive component function integration, miniaturization, and manufacturing automation, along with cutting-edge WSS and amplification technology, allows us to serve the demands of high-density, high-bandwidth, and flexible optical networks in telecom, datacom, hyperscale datacenters, and supercomputing.

Based in Fremont, California, we serve global clients in the telecom and datacom industries, providing innovative optical components and modules that support next-generation networks.

We are seeking a full-time Assistant Engineer to support lab station setup, optical component alignment and assembly processes, fiber optics module testing, and data collection and processing. The ideal candidate will work hands-on with assembling optomechanical fixtures, performing optical alignment and component bonding, and developing optimized process flows. This role also includes managing and maintaining lab stations, equipment, and materials.

What You Will Do in Your Role:

• Perform optical alignment, bond optical components, build optical modules, and manage data collection and basic analysis.
• Conduct experiments to validate and optimize the optical assembly process, collaborating with lead engineers to develop and document process flows.
• Assemble optical fibers with various connection types and build optical component sub-assemblies.
• Perform optical module testing and calibration according to engineering protocols.
• Execute manual and motorized high-precision alignment with fiber optic components, including photonic integrated circuits (PIC).
• Set up and maintain lab stations and equipment, ensuring proper alignment, organization, and availability of resources for testing.
• Manage lab materials and BOM (Bill of Materials) inventory, tracking parts and components for accurate and timely assembly.

Who You Are (Basic Qualifications):

• Technical or associate degree in Engineering, Physics, or a related field.
• 1-3 years of hands-on experience or academic exposure to optical testing, assembly, and alignment.
• Core practical skills or willingness to develop expertise in optical alignment and fiber assembly.
• Proficient with Microsoft Office for data collection, analysis, and documentation.
• Dedicated, detail-oriented, and adaptable, with a strong ability to collaborate in a team environment.

What Will Put You Ahead:

• Bachelor's degree in Engineering, Physics, or a related field.
• A strong desire to learn and grow in optical testing, assembly, and engineering processes, or extensive hands-on experience with fiber optics testing and assembly in an industrial R&D environment.
• Familiarity with optical components and optical testing equipment.
• Basic knowledge of optics and photonics.
• Motivated to gain hands-on experience and develop practical skills in optical alignment and fiber assembly.
• Ability to work independently and as part of a team to support engineering projects.
• Basic coding skills for data analysis (e.g., Python, MATLAB, or similar).
• Bilingual in English and Mandarin is a plus.

For this role, we anticipate paying $60,000 to $80,000 plus 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

As a Koch company, Molex is a leading supplier of connectors and interconnect components, driving innovation in electronics and supporting industries from automotive to health care and consumer to data communications. The thousands of innovators who work for Molex have made us a global electronics leader. Our experienced people, groundbreaking products and leading-edge technologies help us deliver a wider array of solutions to more markets than ever before.

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 are 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.

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.