Sr. Mechanical Design Engineer

Jabil Circuit; Illinois; On-site; USD 80,000 - 110,000; Full time

Job summary

A leading company is seeking a Sr. Mechanical Design Engineer to contribute to their Enterprise and Infrastructure division. The role involves developing EOL Test Fixtures for production, ensuring quality and reliability in hardware products, and collaborating with various teams.

Qualifications

• 8+ years of hands-on experience in mechanical design.
• Experience in product development or automation/test equipment.

Responsibilities

• Lead mechanical design and development of complex electro-mechanical systems.
• Develop robust 3D CAD models and detailed 2D drawings.
• Collaborate with Electrical, Software, Test, and Manufacturing teams.

Skills

3D CAD

Finite Element Analysis

Mechanical Components

Electro-Mechanical Integration

Communication

Education

Mechanical Engineering Degree

Tools

SolidWorks

Creo

Job description

JOB SUMMARY

Jabil is a product solutions company providing comprehensive design, manufacturing, supply chain and product management services. Operating from over 100 facilities in 29 countries, Jabil delivers innovative, integrated, and tailored solutions to customers across a broad range of industries and end-markets, such as automotive, consumer lifestyle and wearable tech, defense and aerospace, connected home and building, industrial and energy, enterprise and infrastructure, healthcare, mobility, packaging and printing.

Jabil is seeking a Sr. Mechanical Design Engineer who will directly contribute to the transformative growth in our Enterprise and Infrastructure division by applying unique and innovative approaches to developing EOL Test Fixtures for production environment. The Test Fixtures Mechanical Design Engineer plays a vital role in ensuring the quality and reliability of hardware products, contributing to the overall success of the manufacturing process and customer satisfaction. You will be responsible for contributing to the end-to-end architecture, definition, development and production deployment of the Test fixtures in our manufacturing regions. You will also be responsible for interfacing with our customers, fixture vendors and internal teams from engineering, manufacturing, and quality teams to ensure fixture deliverables meet the rigorous standards of Jabil’s world-class manufacturing environments.

ESSENTIAL DUTIES AND RESPONSIBILITIES

• Lead the end-to-end mechanical design and development of complex electro-mechanical systems, fixtures, custom test stations, and automation equipment.
• Develop robust 3D CAD models, assemblies, and detailed 2D drawings using tools such as SolidWorks, Creo, or Inventor.
• Ensure all designs meet DFM/DFA standards and are optimized for production efficiency, cost, reliability, and serviceability.
• Works with and manages external component suppliers/manufacturers.
• Communicates complex technical aspects of a project effectively to customers, and collects incorporates feedback into design specifications.
• Work within aggressive timelines, managing priorities across multiple projects while maintaining design quality and meeting customer expectations.
• Perform tolerance analysis, FEA (thermal, static, and dynamic), and material selection based on structural, thermal, and environmental requirements.
• Collaborate closely with Electrical, Software, Test, and Manufacturing teams to integrate systems holistically and resolve design interface issues early.
• Lead or support prototype builds, hands-on assembly, and engineering validation testing.
• Troubleshoot mechanical and system-level issues in both development and manufacturing environments.
• Support supplier engagement, part sourcing, and fabrication—domestically and internationally.
• Maintain up-to-date design documentation including BOMs, technical drawings, and design change records.
• Provide mentorship to junior mechanical engineers and support knowledge sharing across teams.

MANAGEMENT & SUPERVISORY RESPONSIBILITIES

• Reports to Senior Engineering Manager.
• Job is NOT directly responsible for managing other employees (e.g., hiring/termination and/or pay decisions, performance management).

KNOWLEDGE REQUIREMENTS

TECHNICAL KNOWLEDGE & SKILLS

• Demonstrated use of key development tools and design standards: 3D CAD, Finite Element Analysis, Interference Checks, Cross-site Design Reviews
• Proven experience in fast-paced engineering environments with tight project schedules and frequent design iterations .
• Strong 3D CAD skills in SolidWorks, Creo, or similar tools—demonstrated through successful product/project launches.
• Deep understanding of mechanical components and assemblies: sheet metal, plastics, CNC machining, fasteners, bearings, gears, actuators, and structural frameworks.
• Hands-on experience with pneumatics, linear motion systems, servo motors, and electro-mechanical integration.
• Experience in thermal management, vibration analysis, material stress testing, and enclosure design.
• Skilled in conducting and interpreting FEA and tolerance stack-up analysis.

NON TECHNICAL KNOWLEDGE & SKILLS

• Influence others and share best practices
• Effectively communicate with good understanding of English.
• Work as part of a global team
• Lead others in some aspects of technical tasks
• Assess a project and articulating risk while developing project milestones.
• Develop projects in a stage-gate process (PLCQ)
• Mentor less experienced engineers.
• Participates in cross-functional design reviews and can lead some aspects of ME design reviews.

EDUCATION & EXPERIENCE REQUIREMENTS

• Mechanical Engineering Degree (BSME/MSME or equivalent experience)
• 8+ years of hands-on experience in mechanical design, preferably in a product development or automation/test equipment environment.

WORKING CONDITIONS

• Regular business hours. Some additional hours may be required.
• Travel requirements: Domestic and/or Global, up to 20%
• Climate controlled office environment during normal business hours.