Mechanical Design Engineer

Flint Hills Resources; Florida; On-site; USD 85,000 - 125,000; Full time

Job summary

Molex is seeking a hands-on Mechanical Design Engineer to design, develop, build, and improve custom manufacturing equipment, tooling, and automation systems. This role will lead projects from concept through commissioning, including mechanical design, fabrication oversight, assembly support, troubleshooting, validation, and continuous improvement of existing equipment.

The ideal candidate will have strong machine-building experience in a manufacturing setting, collaborating with Controls

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• Five+ years of experience designing and building manufacturing equipment, automation machinery, or custom industrial systems.
• Proficiency with Siemens NX, SolidWorks, or comparable 3D CAD software.

Responsibilities

• Design custom manufacturing equipment, fixtures, tooling, guarding, and automation systems using 3D CAD software.
• Develop machine concepts, layouts, assemblies, detailed drawings, and bills of materials.
• Perform calculations related to machine structures, mechanisms, motion systems, pneumatics, and power transmission.
• Evaluate design alternatives based on safety, performance, reliability, manufacturability, cost, and schedule.
• Lead equipment projects from concept through fabrication, assembly, debugging, qualification, and production release.
• Coordinate with internal resources, fabrication shops, machine builders, and suppliers to ensure conformance to design requirements.
• Provide hands-on support during machine assembly, installation, setup, troubleshooting, and startup.
• Create and maintain equipment documentation including drawings and bills of materials.

Skills

Siemens NX

SolidWorks

Pneumatics

Bearings

Linear motion

Servo-driven mechanisms

Gearboxes

Mechanical power transmission

Troubleshooting

Problem solving

Education

Bachelor's degree in Mechanical Engineering

Job description

Molex is seeking a hands-on Mechanical Design Engineer to design, develop, build, and improve custom manufacturing equipment, tooling, and automation systems. This role will lead projects from concept through commissioning, including mechanical design, fabrication oversight, assembly support, troubleshooting, validation, and continuous improvement of existing equipment.

The ideal candidate has strong machine-building experience and is comfortable working in a manufacturing environment where practical problem-solving, equipment reliability, safety, and innovation are critical. This engineer will collaborate closely with Controls Engineers, Process Engineers, Maintenance, Production, Quality, and external vendors to deliver reliable and cost-effective equipment solutions.

Our Team

Molex leverages technology and innovation to provide advanced electronic solutions across the globe. With operations in over 40 countries, we serve a variety of industries including automotive, medical, data communications, and consumer electronics.

What you will do

• Design custom manufacturing equipment, fixtures, tooling, guarding, and automation systems using 3D CAD software.
• Develop machine concepts, layouts, assemblies, detailed drawings, and bills of materials.
• Perform engineering calculations related to machine structures, mechanisms, motion systems, pneumatics, and power transmission.
• Evaluate design alternatives based on safety, performance, reliability, manufacturability, maintainability, cost, and schedule.
• Lead equipment projects from concept through fabrication, assembly, debugging, qualification, and production release.
• Work directly with internal resources, fabrication shops, machine builders, and suppliers to ensure equipment is built according to design requirements.
• Provide hands‑on support during machine assembly, installation, setup, troubleshooting, and startup.
• Create and maintain equipment documentation, including drawings, bills of materials, spare‑parts lists, risk assessments, and recommended maintenance information.
• Partner with Controls Engineers to integrate PLCs, HMIs, sensors, safety circuits, servos, robotics, and vision systems into new and existing equipment.
• Ensure mechanical designs support controls architecture, electrical requirements, machine safety, accessibility, and future scalability.
• Participate in commissioning and debugging to resolve mechanical, controls‑interface, and process‑performance issues.
• Support continuous-improvement , cost‑reduction, and obsolescence‑mitigation initiatives.
• Manage multiple engineering projects while maintaining scope, schedule, budget, technical documentation, and stakeholder communication.
• Coordinate design reviews, build activities, acceptance testing, training, and handoff to Operations and Maintenance.
• Communicate project risks, progress, decisions, and resource needs clearly to cross‑functional teams and leadership.

Who You Are (Basic Qualifications)

Bachelor's degree in Mechanical Engineering or a related engineering discipline.

Five or more years of experience designing and building manufacturing equipment, automation machinery, or custom industrial systems.

Proficiency with Siemens NX, SolidWorks, or comparable 3D CAD software.

Working knowledge of machine design, pneumatics, bearings, linear motion, servo‑driven mechanisms, gearboxes, and mechanical power transmission.

Experience producing detailed manufacturing drawings, tolerance parts, assemblies, and bills of materials.

Knowledge of GD&T, design‑for‑manufacturing, machine guarding, and mechanical design best practices.

Strong hands‑on troubleshooting, equipment installation, and machine startup capability.

Ability to work effectively in office, shop, and production‑floor environments.

What Will Put You Ahead

Experience designing automated assembly, inspection, material‑handling, or process equipment.

Experience with robotics, machine vision, motion control, and industrial automation.

Familiarity with PLCs, HMIs, industrial sensors, and controls‑system integration.

Knowledge of machining, sheet‑metal fabrication, welding, plastics, and machine assembly processes.

Experience with DFMEA, equipment risk assessments, validation, and project management.

Experience in a high‑volume manufacturing environment or with custom machine builders.

Familiarity with SAP or manufacturing systems

Lean Six Sigma certification or experience driving CI projects

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 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 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 ).