Senior Mechanical Engineer

Your Job

Molex is seeking an innovative Senior Mechanical Engineer to join our R&D team. This team is responsible for the conceptualization of industry leading fiber optic interconnect solutions and systems in rapidly growing markets in cloud computing, AI, and hyperscale applications. Our team is comprised of highly skilled professionals who thrive in an environment of constant learning and innovation. A successful applicant will have the ability to appropriately plan and see assignments through to completion;

develop timing, meet project schedules, manage risks, and systematically solve problems of a complex scope.

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. With a presence in more than 40 countries, Molex fosters a culture of innovation, collaboration, and transformative technology development across global markets.

• Lead new product design from Concept through Design, Development, Testing, and Industrialization while following the Molex Product Development Process
• Conduct simulations, prototyping and testing of optical interconnect solutions and systems that meet performance and reliability requirements
• Collaborate with manufacturing to ensure designs are efficient to manufacture and cost‑competitive by applying DFM/DFA principles
• Collaborate directly with patent attorneys and agents to draft and review patent applications, ensuring technical accuracy of claims and descriptions
• Interface with cross‑functional team members in product and project management, manufacturing, procurement and quality, during all phases of new product development and in support of existing products
• Gain and apply comprehensive understanding of fiber optic products, installation and test methods to all new product development projects

• BS in Mechanical Engineering or related engineering field
• 5+ years of technical experience in new product development
• Sound experience with parametric solid modeling (NX, Creo, Solid Works)
• Solid understanding of GD&T (Geometric Dimensioning and Tolerancing) analysis
• Design experience with multiple manufacturing techniques (injection molding, insert molding, sheet‑metal forming, machining, extrusion)
• Familiarity with defining, applying, and interpreting Finite Element Analysis (FEA)
• Experience defining, executing, and interpreting product test plans & reports
• Desire to learn, be challenged and interact in a cross‑functional team environment
• A demonstrated ability to learn quickly and make logical, data‑based decisions when presented with novel tasks and requirements

• Understanding of optical connectors, cables, assemblies and solutions
• Knowledge of regulatory agency testing requirements (UL, CSA, EIA)
• Knowledge of industry standards (IEEE, TIA, IEC, Telcordia)
• General understanding of Six Sigma quality development tools and principles (DOE, Pugh Matrix, FMEA, VOC)
• Strong computer skills and adaptability to emerging technologies, including AI
• Sound understanding of project management techniques to complete tasks and activities on time to ensure project meets timelines and milestones

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.

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  for additional information. (For Illinois E‑Verify information , aqui, or tu).

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 well‑being 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.