Systems Engineer III

Generac Power Systems Inc

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South Portland, ME - US Until 9/5/2026 5+ years exp H-1B sponsor history First posted July 7, 2026 Last posted July 7, 2026
Job description

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?



The Systems Engineer III leads the development, definition, and maintenance of system level requirements and documentation throughout the product lifecycle. This role ensures that customer needs are accurately translated into system specifications, and that verification and validation activities confirm compliance with those requirements. The Engineer III collaborates across engineering disciplines to support system architecture decisions, contributes to test strategy development, and participates in technical design reviews to ensure alignment with product objectives.

The ideal candidate is a hands-on engineer who treats formal systems engineering artifacts (DVPR, DFMEA, ICDs) as tools to drive design, development, and testing, working directly and collaboratively with engineering teams.

Major Responsibilities

  • Gathers, captures, writes and maintains customer needs and system level requirements

  • Owns the Design Verification Plan & Report (DVPR), using it to drive design, development, and test decisions rather than as a compliance artifact

  • Reviews results and evidence to establish if the system requirements have been met

  • Provides inputs to the systems test strategy and supports test schedule

  • Works across engineering functions to define the system/product strategy

  • Coordinates and participates in technical designs and reviews

  • Leads DFMEA development and applies its findings to drive design improvements and risk-based verification

  • Contributes hands-on to design and development, including firmware development and debugging, PCB bring-up and debugging, and mechanical and thermal design

  • Creates and maintains block and boundary diagrams, system inputs, and outputs via an Interface Control Document

  • Owns system level documentation and maintains it throughout the product lifecycle

  • Makes key decisions during the design phase of the project using established methods and procedures and explains those decisions to a broader team

  • Identifies and analyzes risk and opportunities on a project providing context, probability, consequences, thresholds, priorities, risk action and status, and a plan of action

  • Communicates risks and opportunities to the broader team seeking inputs, and guidance from subject matter experts as required

  • Supports product development plans in delivery of on-schedule, on-cost, on-quality, compliant solutions

Minimum Job Requirements

Education

  • BS Mechanical/Electrical/Software/Systems Engineering

Work Experience

  • 5+ years of relevant work experience

Knowledge / Skills / Abilities

  • Experience with systems integration and troubleshooting

  • Hands-on design and development experience (e.g., firmware development and debugging, PCB bring-up and debugging, mechanical and/or thermal design)

  • Strong communication and interpersonal skills

  • Working knowledge of product development lifecycle, concept through launch

  • Excellent problem-solving and analytical skills

  • Team player with ability to participate in cross-functional teams to achieve a common goal

“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.”

About this role

Summary

Develops system requirements, supports testing, and collaborates on design in energy solutions.

Job title

Systems Engineer III

Experience level

5+ years

Minimum experience

5+ years exp

Industry

energy

Location requirements

South Portland, ME - USA, on-site; remote not specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

system requirementsverificationvalidationsystem architectureDFMEAfirmware developmentPCB debuggingmechanical designthermal design

Preferred skills

None specified

Specializations

system requirementsverification and validationsystem architecturerisk managementfirmware development
Locations

Structured locations inferred from the posting.

South Portland, ME, USA

On-site City