Technical Specialist - Design and Application Engineering

ROUSH
Livonia, MI

At Roush, we fuse technology and engineering to provide product development solutions to customers in a diverse range of industries. Widely recognized for providing engineering, testing, prototype, and manufacturing services to the transportation industry, Roush also provides significant support to the aerospace, defense and theme park industries. With over 2,400 employees in facilities throughout the United States, Europe, Asia, and South America, our unique combination of creativity and tenacity activates big ideas on a global stage.

Roush Power Systems manufactures and sells world-class power systems for the on-road and off-road market sectors focused on class 4-8 commercial vehicles, mobile off-road, and stationary off-road equipment.

A Technical Specialist in Design and Application Engineering focuses on the integration of power systems and powertrains into OEM applications and is responsible for design activity and integration of our products into the OEM applications. Their duties include leading the hands-on design process for new components, working with suppliers for outsourced design content, working in collaboration with our customer’s design and mechatronics teams for seamless integration of our products. This role will also collaborate with the Controls and Calibration team to specify required mechatronics components (sensors, actuators, etc.) and to ensure proper integration, control and functionality of these components into the OEM applications. This position is in Livonia, MI.

As a Technical Specialist, you will:
  • Ensure product designs meet customer requirements and performance specifications and achieve fit, form and functional requirements through periodic design reviews and direct consultation with technical personnel.
  • Adhere to the engineering budget and meet customer defined program milestone dates.
  • Conduct hardware development tasks and testing, while supporting prototype, pre-production, and production builds.
  • Document and report status internally and externally to customers.
  • Develop & execute Design Failure Mode and Effect Analysis (DFMEA) and Validation and Acceptance Test Plans and Reports.
  • Utilize Computer Aided Engineering (CAE) team or resources to analytically validate designs.
  • Conduct in-vehicle assessments and support calibration of RPS mechatronics content
  • Provide positive technical contributions in a project team environment, and mentor other design team members.
  • Help to set the standards for overall design and application engineering processes
  • Address technically challenging programs and coach junior engineers on solutions.
  • Create application integration documentation to provide guidelines for mechanical, electrical and digital communication (e.g. J1939) integration of RPS products into OEM applications
  • Support application integration sign-of evaluations

To be considered as a Technical Specialist, you will need:

  • Bachelor of Science in Mechanical Engineering or similar field.
  • Minimum of 8 years of relevant work experience
  • Integrating engines / powertrains into automotive applications, commercial vehicle applications or mobile and stationary off-road equipment.
  • Performing detailed powertrain packaging studies in OEM applications with customers.
  • Designing engine harnesses, automotive-style exhaust systems, vehicle fuel systems, and other key powertrain/vehicle areas of interface.
  • Developing and executing application sign-off procedures for integration of powertrains into customer applications including confirmation of customer vehicle system performance to meet RPS requirements (e.g., cooling system, inlet restriction, back pressure, fuel system, etc.).
  • Use of design robustness and problem solving methods such as FMEAs, DVP, 8-Ds.
  • Developing system and sub-system requirements, including the decomposition and traceability to component level requirements.
  • Developing and tracking requirements, validation plans, and test data to ensure the design meets customer objectives.
  • Design experience with vehicle and/or engine systems using traditional (gasoline, diesel) and alternative fuels (propane, natural gas).
  • Knowledge and understanding of modern powertrain operation.
  • Excellent verbal, written and interpersonal communication skills.
  • Ability to effectively communicate and collaborate in a team environment with both written and verbal communication.
  • Ability to lead and mentor team members.
  • Proven customer relationship skills including the ability to interpret customer requests and deliverables with a focus on cost, quality and delivery.

A successful candidate may also have:

  • Master’s degree in engineering.
  • Understanding of CAN communication standards (e.g. J1939)
  • Functional understanding of computer-aided design (CAD) software SolidWorks, Siemens NX Unigraphics (UG), CATIA, Pro/Engineer (Pro E), or MATLAB
  • Have or ability to obtain a chauffeurs and/or CDL B license.


Our full-time benefits include: medical, dental, vision, life insurance, earned sick time, STD, LTD, 401K, tuition reimbursement, paid vacation, paid holidays, and more .

If you share our passion for providing innovative solutions to complex challenges, we want you on our team.
Please visit our careers page and apply by clicking on this link: /
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Roush is an EO employer – Veterans/Disabled and other protected categories
If you need a reasonable accommodation for our employment application process due to disability, please contact Roush Talent Acquisition at 734-779-7087.

Posted 2026-06-05

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