Freelance Rf Filter Design Engineer Jobs in Milwaukee, WI

Job Title: Power Electronics Engineer

We are currently seeking a Hardware Power Electronics Engineer to join our development team to help expand our product offering. Our ideal candidate has a strong experience in IGBT, Silicon Carbide MOSFET and GaN power conversion design.

Responsibilities

• Design and develop next-generation power electronics hardware for solar, energy storage, EV charging, and test applications using SiC and GaN MOSFET technologies.
• Develop high-frequency bidirectional DC-DC converters, AC-DC grid-tie inverters, and resonant converter topologies.
• Lead the full product development lifecycle from initial concept and architecture through detailed design, prototyping, testing, and productization.
• Create and implement innovative digital control algorithms for power converters and control systems.
• Design and optimize magnetic components, including high-frequency inductors and transformers, to meet performance, efficiency, and thermal requirements.
• Collaborate closely with PCB layout designers to realize high-density, high-voltage power designs that meet EMI/EMC and thermal constraints.
• Achieve UL and CE compliance for power electronic products by incorporating safety, isolation, and protection requirements into the design.
• Lead EMC compliance activities, including filter design, test planning, debugging, and design improvements to meet regulatory requirements.
• Apply strong understanding of high-frequency power stages, filtering, circuit protection, thermal management, and EMI/EMC considerations throughout the design.
• Use tools such as MATLAB, Simulink, and Simscape/SimPower Systems to model, simulate, and optimize power converter performance and control.

Minimum Qualifications:

• Bachelor’s Degree in Electrical Engineering.

• Strong experience in power electronics design.

• Solid understanding of basic physics and electronics.

• Strong understanding of high frequency power stages, filtering, circuit protection, thermal and EMI/EMC considerations.

• Strong Matlab / Simulink / Sim-power Systems skills

• Product development process experience a must.

• Minimum 2 years of related experience with power electronics and control systems design.

Desired Skills and Experience:

• Master’s Degree in power electronics with more than 5 years of industry experience with power converter development as either NPD or R&D engineer

• 5 years of experience in design, testing, and debugging of DC-DC or 3phase AC-DC converters with voltage range 400-900V and power levels > 2kW.

• Experience in design and selection of power semiconductor parts, cooling mechanism, passive components, protection circuits, and sensing circuits.

• Understanding of PCB layout design for high voltages.

• Familiarity with UL1741 standards.

• Familiarity with typical Safety/EMI standards for power converter systems.

• Familiarity with EMC requirements and filter design.

• Understanding of hardware-mechanical interface as well as hardware-software interface.

• Understanding of fundamental analytical equations of high-frequency inductor and transformer design.

This is a Permanent position based out of Franksville, WI.

The pay range for this position is $100000.00 - $150000.00/yr.

Full company benefits- health, dental, vision, 401K, bonus

This is a fully onsite position in Franksville,WI.

This position is anticipated to close on Jul 23, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.