Senior Mechanical Design Engineer

Testek Inc; Wixom (MI); On-site; USD 90,000 - 140,000; Full time

Job summary

Testek Inc. in Wixom, Michigan, seeks a Senior Mechanical Aerospace Test Equipment Systems Engineer to lead the design and development of multi-functional F.h.L.A.P. test equipment from concept through production.

This onsite role offers some hybrid flexibility and cross-functional collaboration with electrical, hydraulic/pneumatic, and software teams. You will interpret specifications, create 3D models in SolidWorks, perform safety-focused calculations, manage BOMs, and guide design reviews

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.
• 8+ years of relevant experience in custom equipment or systems design.
• Experience in mid-sized companies (150-300 employees).
• SolidWorks Professional certification (preferred).
• Background in fixture, tooling, and automation design.
• Strong understanding of hydraulic/pneumatic systems and schematics.
• Basic knowledge of electrical engineering and PLC programming.
• Must be a U.S. citizen or U.S. green card holder.

Responsibilities

• Interpret customer specifications and maintenance manuals to define equipment requirements.
• Create 3D CAD models and layout drawings using SolidWorks.
• Design mechanical components, including enclosures, fixtures, manifolds, and piping systems.
• Perform engineering calculations to ensure safety and functionality.
• Select and source components, collaborating with suppliers for customization.
• Optimize packaging of hydraulic and electrical modules.
• Generate detailed fabrication and assembly drawings with GD&T.
• Manage BOMs and release documentation.
• Support assembly and troubleshooting during build phases.
• Lead customer design reviews and provide mechanical expertise.
• Collaborate with electrical, hydraulic/pneumatic, and software engineers.
• Assist in technical manual development.
• Plan and prioritize tasks to meet project goals.
• Participate in equipment startup and checkout at factory and customer sites.
• Travel up to 10% (domestic and international)

Skills

3D CAD modeling

GD&T

Cross-functional collaboration

Troubleshooting

Education

Bachelor’s degree in Mechanical Engineering

Tools

SolidWorks

Job description

Established in 1969, Testek is the leader in Aerospace and Aircraft Component Test Equipment.

Testek is a small company with approximately 160 team members, with the headquarters located in Wixom, Michigan. We pride ourselves in a family-like work environment that includes a diverse team of talented and enthusiastic people.

Testek designs, manufactures, supports and services diversified products including custom test equipment/products and standard test equipment/products. Our wide-ranging capability includes simple manual to complex automatic machinery. Testek offers innovative and competitive solutions to various sectors including aerospace, aircraft, and industrial.

Testek Solutions is currently seeking a Senior Mechanical Aerospace Test Equipment Systems Engineer.

About the Role

We are seeking a Senior Mechanical Design Engineer to lead the design and development of multi-functional F.h.L.A.P. (Fuel, Hydraulic, Lubrication, Actuation, and Pneumatic) test equipment. This role is ideal for a seasoned engineer who enjoys guiding projects from concept through production and who thrives in a hands-on, cross-functional environment. This position is an onsite position, with some opportunity for a hybrid schedule.

You’ll play a key role in supporting assembly, start-up, and commissioning efforts while contributing to the advancement of aviation testing technology.

What You’ll Work On

Our FLAP group delivers test solutions for a wide array of aircraft components, including:

• Fuel systems: pumps, boost pumps, hydromechanical units (HMU), fuel metering units (FMU), valves, nozzles, servos


• Lubrication systems: valves, heat exchangers, oil pumps, hydraulic clutches, coolers, tanks


• Actuation systems: electro-mechanical linear and rotary actuators, power drive units (PDU), cargo winches


• Pneumatic systems: valves, air turbine starters, heat exchangers, air cycle machines, environmental control systems

Key Responsibilities

• Interpret customer specifications and maintenance manuals to define equipment requirements


• Create 3D CAD models and layout drawings using SolidWorks


• Design mechanical components, including enclosures, fixtures, manifolds, and piping systems


• Perform engineering calculations to ensure safety and functionality


• Select and source components, collaborating with suppliers for customization


• Optimize packaging of hydraulic and electrical modules


• Generate detailed fabrication and assembly drawings with GD&T


• Manage BOMs and release documentation


• Support assembly and troubleshooting during build phases


• Lead customer design reviews and provide mechanical expertise


• Collaborate with electrical, hydraulic/pneumatic, and software engineers


• Assist in technical manual development


• Plan and prioritize tasks to meet project goals


• Participate in equipment startup and checkout at factory and customer sites


• Travel up to 10% (domestic and international)

Preferred Qualifications

• Bachelor’s degree in Mechanical Engineering or related field


• 8+ years of relevant experience in custom equipment or systems design


• Experience in mid-sized companies (150-300 employees)


• SolidWorks Professional certification (preferred)


• Background in fixture, tooling, and automation design


• Strong understanding of hydraulic/pneumatic systems and schematics


• Basic knowledge of electrical engineering and PLC programming


• Must be a U.S. citizen or U.S. green card holder

Are you ready to engineer the future of aerospace testing?

EOE – Equal Opportunity Employer. People of color, women, veterans, and individuals with disabilities are encouraged to apply. (Compliant with the new VEVRAA and Section 503 rules)