Electrical Design Engineer – Custom Power Systems

Why Work at Rehlko

Our work is guided by our purpose: creating an energy-resilient world for a better future. This purpose embodies the legacy we bring, with more than 100 years as the global leader in energy resilience, delivering solutions critical to sustain and improve life.

Our teams have the opportunity to provide a critical resource – energy – that ensures safety, security, and independence for people around the world. Our team members are focused on pushing boundaries, continuing to innovate in an ever-changing landscape, and keeping up with the pace required to create solutions for today’s world demands.

Our product range includes engines, generators, power conversion, UPS systems, EV components and electrification solutions, microgrid controls and management, and clean energy solutions that serve a broad spectrum of OEM, residential, industrial, and commercial customers. At Rehlko, you have the freedom to identify, create, and deliver solutions – large and small – that help people and communities thrive in the moments that matter.

At Rehlko, our team members are the essential energy that powers our organization’s success. We are committed to fostering a safe and sustainable work environment where safety is everyone’s responsibility. We empower every team member to actively participate in our Zero Is Possible safety culture by encouraging open communication, proactively reporting hazards, following protocols, and suggesting improvements. Join us in creating an energy resilient world for a better future!

What We Offer

At Rehlko, our Total Rewards programs are designed to accelerate growth, energize performance, and support a culture of inclusion at every stage of life and work. We offer total rewards that are easily understood, recognize results, enable career mobility, and reflect our commitment to valuing diverse needs in a fast-moving world. We provide:

• Competitive compensation and benefits

• Work-life flexibility

• Recognition and rewards

• Development and career opportunities

• A safe and inclusive workplace

Why You Will Love this Job

The Electrical Design Engineer – Custom Power Systems is responsible for providing technical leadership and design direction in the development of customized generator set solutions. This role supports the full lifecycle of engineered-to-order power systems, including generator controls, communications, and power electronics.

The Electrical Design Engineer will work cross-functionally with sales, application engineering, design engineering, procurement, and production. This position ensures that customer-specific solutions are delivered on time, within budget, and to the highest quality standards. The Electrical Design Engineer role also supports manufacturing and field service teams by resolving design-related issues and driving continuous improvement initiatives.

The ideal candidate is a self-motivated electrical design engineer with a strong curiosity and desire to solve problems. A successful candidate is one who thrives in a fast-paced environment, manages multiple priorities effectively, and applies innovative, data-driven solutions to complex engineering challenges.

Work Environment

• Work Mode: Onsite Monday-Friday

• Location: Sheboygan, WI

• Travel: Limited, as required

Key Responsibilities

• Lead electrical design and integration of generator control systems, including internal genset controls, ATS controls, and associated harnessing

• Coordinate and integrate third-party electrical systems through design, build, and commissioning phases

• Provide technical support during the quoting process in collaboration with Applications, Datacenter Sales, and National Account teams

• Manage and prioritize multiple custom engineering projects to meet committed delivery schedules

• Develop detailed design packages including schematics, layouts, component selections, and specifications with consideration for manufacturability

• Collaborate with mechanical engineers and designers to ensure cohesive, customer-focused system designs

• Review and approve custom engineering designs for accuracy, completeness, and compliance

• Partner with procurement teams to ensure timely sourcing of components and materials

• Support production teams by resolving design questions and implementing necessary corrections during assembly

• Provide technical support to field service teams, including troubleshooting and resolving complex customer issues

• Identify risks, evaluate trade-