Sr. Design Engineer - Power

Molex is seeking an experienced Mechanical Principal Engineer to design our industry‑leading high‑power connector and cable systems for our big data, hyperscale and EV/Green customers. These creative, high‑tech, cutting‑edge components are critical for the future of AI, high‑power storage, green energy and electrification and will change the world. In this highly visible engineering position you will join a team of professionals who are passionate about delivering the best products in the world to the market.

As a Principal Engineer you will be responsible for designing, modelling, analysing, and characterising high‑power connectors, cables and systems within our Power and Signal enterprise division team. You will provide technical expertise in connector and cable design for the exponentially growing data‑storage systems and AI market. This role will lead projects from idea to high‑volume production, driving industry impact. The successful applicant will plan and execute assignments with minimal direction, lead other team members, develop timing, meet project schedules, manage risks, accurately quote design, and systematically solve problems of complex scope.

• With guidance from senior engineers, develop new product designs and manage product extensions focused on our high‑power connector product line
• Provide technical support to customers, suppliers and internal personnel
• Coordinate product activities with engineering, manufacturing, purchasing and quality using the ECR procedures
• Support product testing by coordinating with the reliability lab (write test requests, gather samples, boards, etc.)
• Check manufacturing and sales drawings for completeness and accuracy
• Ensure all products are properly released with accurate information
• Build prototype samples and perform validation
• Run mechanical and thermal simulations
• Perform other related duties as assigned by management
• Drive IP submissions with our legal team
• Travel 30% to headquarters and customer sites as needed

• Bachelor’s degree in Mechanical Engineering
• 5+ years of design experience in connector products for 50A+ applications
• Proficient in solid modelling and 3‑D/2‑D drawing (NX)
• Demonstrated ability to analyze information and solve problems with sound solutions
• Effective teamwork within a global environment
• UL and CSA experience
• Experience in data and power interconnects between power shelf/IT gear and rack‑level infrastructure
• Direct design experience in one or more: hyperscaler OEM connector design (e.g., OCP or related), datacenter cable connectors 50A+, busbars for 1000+ applications including liquid cooling

• 10+ years of design experience in connector products for 100A+ applications
• Master’s degree or PhD in Mechanical Engineering or related field
• Siemens NX and Team Center experience
• Knowledge of regulatory agency testing requirements (e.g., UL/CSA, NEBS, EMC/EMI)
• Knowledge of MM/BOM loading software (SAP / TEAMCENTER)
• Familiarity with manufacturing processes and material properties
• Proven presentation skills
• Understanding of GD&T
• Familiarity with high‑speed PCB layout, signal integrity, assembly, and manufacturing
• Experience in DFMA, DFC, and DFM
• Open Compute Project member

All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are military‑ready and second‑chance employers. We empower employees to do what they do best to create value for themselves and the company.

Molex is a leading supplier of connectors and interconnect components, driving innovation in electronics across automotive, health care, consumer, and data communications. Molex’s innovative products and cutting‑edge technologies enable a wide range of solutions for many markets worldwide.

Our goal is for each employee and their families to live fulfilling, healthy lives. We provide essential medical, dental, vision, flexible spending and health‑savings accounts, life insurance, disability, retirement, paid vacation, educational assistance, and more. Eligibility criteria vary by region; speak to your recruiter for details.

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