Senior Mechanical Engineer - Fiber

Your Job

Molex's Optical Connectivity Group is at the forefront of designing and delivering cutting-edge optical solutions that power data centers, telecom infrastructure, and next-gen computing. As part of Koch Industries, Molex fosters a culture of innovation, collaboration, and transformative technology development across global markets.

We are seeking a Senior Fiber Optic Engineer to lead the design, development, and deployment of advanced fiber optic interconnect solutions. This role will be instrumental in driving Molex's mission to enable high-speed, high-density optical connectivity for tomorrow's data and communication needs.

What You Will Do

• Lead the design and validation of fiber optic components and systems, including connectors and cable assemblies
• Collaborate with cross-functional teams (manufacturing, quality, and product management) to develop scalable optical solutions
• Conduct simulations, prototyping, and testing of optical systems to meet performance and reliability standards
• Interface with global customers to understand technical requirements and deliver customized solutions
• Drive continuous improvement in optical design processes and manufacturing techniques
• Stay abreast of industry trends in photonics, silicon photonics, and high-speed data transmission

Who You Are (Basic Qualifications)

• Bachelor's or Master's degree in Optical Engineering, Mechanical Engineering, Electrical Engineering, Physics, or related field
• 7+ years of experience in fiber optic design, testing, and integration
• Deep understanding of optical transmission principles, insertion loss, return loss, and modal dispersion
• Familiarity with high-speed protocols (100G/400G/800G), transceiver technologies, and optical connectors
• Strong project management and communication skills

What Will Put You Ahead

• Knowledge of automated optical inspection and precision alignment techniques
• Background in cleanroom practices and fiber assembly processes
• Experience with injection molding and sheet metal design

For this role, we anticipate paying $120,000-$160,000 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

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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 ).