New

Assistant Engineer

Molex
life insurance, parental leave
United States, California, Fremont
Feb 03, 2026
Your Job We are looking for a full-time Assistant Engineer to work on optical component testing with lab equipment, fiber optical module assembly and optoelectronic system optimization by implementing engineer's protocol. This person will be working hands on with testing, alignment, assembling optomechanical fixtures and implementing DOE experiments to validate improvements of optical testing methods. In Fremont, California, we serve global clients in telecom and datacom industries in providing innovative optical components & modules to support our customer's next generation networks. Our Team Molex possesses a rich heritage in the optical industry. We provide the highest performing and field-proven wavelength management solutions, from components and modules to integrated line-cards. Continuous innovation in passive component function integration, miniaturization, and manufacturing automation, cutting edge WSS and amplify technology and comprehensive optical, mechanical, electrical and software integration capabilities enable us to serve the needs of high-density, high-bandwidth, and flexible optical networks of telecom, datacom, hyperscale datacenter and supercomputing. What You Will Do Perform optical modules building, optical system test, data collection and analysis. Perform various DOE experiments to validate optical test results and approaches. Perform hands-on optical fiber routing and assembly in optical modules Perform failure analysis and troubleshooting for optical modules Document test procedures, collect experimental data and summarize the test results. Work with engineers to develop and document process flow Who You Are (Basic Qualifications) Associate degree or higher in science or engineering with laboratory experience. Six (6) years or more work experience in a cleanroom environment. Knowledge of optical and electrical test systems, including optical components, optical alignment, electronic devices, optical fibers, and lasers. Experience supporting optical alignment and fiber assembly Experience with Microsoft Office to perform data collection, analysis and documentation Experience diagnosing engineering problems and resolve with minimum guidance What Will Put You Ahead Hands-on experience in optical alignment setup, optical testing and assembly process Experience with optical fiber bundle assembly and routing process Experience using excel or equivalent tools to do data analysis and graphic plots Verbal and written communication skills in English and Mandarin Understanding of ESD safety and laser protection For this role, we anticipate paying $70,000 - $80,000 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 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 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). #LI-JN2