New

Firmware Engineer - Optical Solutions

Molex
life insurance, parental leave
United States, California, Fremont
Sep 30, 2025
Molex is seeking a Firmware Engineer to join a multidisciplinary engineering team with responsibility for developing embedded software for next-generation optical transceivers. You'll contribute to the design, implementation, and testing of firmware that controls high-speed photonic devices, ensuring performance, reliability, and compliance with industry standards. Some travel is expected in this role. What You Will Do Develop and maintain embedded firmware for optical transceiver modules (QSFP-DD, OSFP, etc.) Implement I2C/MDIO communication protocols and monitor/control interfaces Collaborate with hardware, signal integrity, and test teams to validate firmware functionality Assist in debugging and troubleshooting firmware issues using logic analyzers, oscilloscopes, and protocol analyzers Support firmware integration with host systems and participate in interoperability testing Document firmware architecture, APIs, and test procedures Who You Are (Basic Qualifications) Bachelor's degree in Electrical Engineering, Computer Engineering, or related field Solid understanding of embedded C/C++ programming Familiarity with microcontrollers, RTOS concepts, and low-level hardware interfaces Exposure to I2C, SPI, UART, or other serial communication protocols Basic knowledge of optical communication principles is a plus Strong problem-solving skills and eagerness to learn Excellent communication and teamwork abilities For this role, we anticipate paying $80,000 - $130,000 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).