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Mechanical Engineer III (Senior)

Generac Power Systems Inc
Sussex, WI Full Time
POSTED ON 9/24/2026
AVAILABLE BEFORE 10/24/2026
We believe power is a promise - a shared commitment to be there for others when it matters most.

For more than 65 years, we've turned big ideas into solutions that help protect homes, strengthen businesses and build a more resilient, efficient, sustainable energy future.

Ready to Power a Smarter World with us?

Job Summary: The Mechanical Engineer III - Senior Engineer is responsible for providing engineering input to the product development projects assigned to him/her including interfacing with the cross functional team consisting of engineering, operations (industrial engineering, production, and material procurement), sourcing, quality, service, and marketing.

Basic Qualifications:
  • Bachelor of Science Degree in Mechanical Engineering or related discipline;
  • 5 years of relevant work experience;

Preferred Qualifications:
  • Experience creating and releasing engineering Change Notices (CNs) to release parts and bills of material.
  • Experience with Windchill or equivalent PLM
  • Ability to perform detail oriented work with a high degree of accuracy on multiple projects;
  • Design experience with a variety of materials (ie plastics, aluminum castings, sheet metal) and basic knowledge of material specs and use;
  • Experience in new product design and development;
  • Ability to conduct analysis using FEA, CFD, etc.
  • Demonstrated written communication and presentation skills;
  • Ability to translate technical information to all audiences;
  • Applies engineering knowledge and experience to improve products, services and processes;
  • Technical Skills to include 3D modeling (ProE or SolidWorks);
  • MS Excel, MS Word;
  • Experience with machine design;
  • Previous experience with SAP or equivalent ERP.
  • Design experience with electrical components and system integration including; circuit breakers, batteries, electrical panels, and AC generator.
  • Experience working in a Matrix organization.

Essential Duties and Responsibilities:
  • Designs, validates, and brings new products to market.
  • Specifies precise new product functional requirements; designs, tests and integrates a variety of moderately complex components to produce final designs; and evaluates the design's overall effectiveness, cost (including cost/benefit analysis), reliability (risk analysis), and safety.
  • Designs, develops, executes and evaluates fitness-for-use testing, product specifications and process validation plans for a variety of moderately complex products and/or components; creates and reviews material part specifications and bills of materials.
  • Collaborates with internal manufacturing partners, contract manufacturers, designers and product specialists to optimize moderately complex designs for manufacturability.
  • Utilizes CAD (Computer Aided Design) or CAE (Computer Aided Engineering) systems to model new designs and produce detailed engineering drawings.
  • Supporting product development plans (schedule, product cost, meeting design inputs)
  • Acts as a resource to mentor and teach less experienced engineers.
  • Travel to other Generac facilities as necessary.
  • Other duties as assigned.

Level of Independence:

Works independently;

Receives minimal technical guidance;

Requires in-depth knowledge and experience;

Uses best practices and knowledge of internal or external business issues to improve products or services;
  • Strong conceptualization, visualization, and creativity;
  • Strong time management, prioritization, and analytical problem solving;

Developing business acumen;

Solves complex problems;

Takes a new perspective using existing solutions;

Strong decision-making skills;

Acts as a resource for colleagues with less experience;

Has participated in cross-functional project teams and leads some aspects of the project;

Ensures success cross-functionally;

Offer recommendations and implement solutions;

Take ownership of designs;

Thorough understanding of the Engineering financial impact and a basic understanding of the needs and impact of other functions on the business.

"We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any other characteristic protected by law."

Salary.com Estimation for Mechanical Engineer III (Senior) in Sussex, WI
$112,052 to $134,978
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