Sr. High Voltage Test Engineer
Littelfuse· Electrical/electronic Manufacturing· Jun 18, 2026 · 4mo agoPosted 131 days ago
Mount Prospect
In office
Full-time
Senior
$89K–$137K
5+ years exp
Before you apply
Ghost Signal:
Open since June 18, 2026 — 131 days, and still accepting applications.
Job description
Littelfuse (NASDAQ: LFUS) is a diversified industrial technology manufacturing company shaping solutions for the safe and efficient transfer of electrical energy. Headquartered in Chicago, Illinois, USA, we serve customers across industrial, transportation, and electronics markets worldwide. With approximately 16,000 employees we design and manufacture innovative technologies that support electrification, energy efficiency, and advanced automation. Our global reach is matched by a culture that empowers innovation and long-term growth. Guided by our principles We Care, We Succeed With Our Customers, and We Own the Outcome, we work collaboratively, think boldly, and deliver solutions that move industries forward.
Are you passionate about electric circuits and power systems and want to be a
part of the future of transportation? We are seeking a Senior High Voltage
Electrical Test Engineer to join our state-of-the-art high voltage lab!
As a Senior High Voltage Test Engineer , you will be responsible for testing and
evaluating the performance of our cutting-edge circuit protection devices for a
variety of applications. As a member of our team, you will have the opportunity
to work on exciting projects and collaborate closely with a team of talented
engineers to develop the latest advancements in circuit protection device
technologies across both automotive and emerging industries.
Responsibilities:
Develop test plans, procedures, and protocols for cutting-edge new and existing circuit protection devices for a variety of applications.
Execute high-voltage electrical and short circuit tests to evaluate performance, safety and durability of fuses and other circuit protection products.
Analyze and interpret test data and waveforms and create comprehensive test reports.
Participate in design reviews and provide technical feedback to product development teams.
Collaborate with cross-functional teams to develop and improve testing methods.
Perform preventative maintenance on the test equipment, maintain safety procedures, update risk assessments and operating procedures for the high voltage labs.
Lead the design/implementation of any improvements in the high voltage labs along with being the technical expert for ongoing initiatives.
Qualifications:
Bachelor s or Master s degree in Electrical Engineering or related field (5 years of experience)
Deep knowledge of electrical circuit design and data acquisition with
specialization in power electronics and/or programming.
Ability to test, diagnose and repair various electrical setups and circuits.
Hands-on experience in operation of oscilloscopes, multimeters, etc.
Hands-on experience in operation of oscilloscopes, multimeters, etc.
Ability to identify and implement efficient paths of action to complete assigned tasks.
Ability to operate well independently or as a team member in a fast-paced environment.
Advanced knowledge in MS office.
Strong analytical and problem-solving skills.
Excellent communication and presentation skills.
High attention to detail.
Preferred Qualifications:
• Experience with global manufacturing companies
• Experience with Labview (or other automation software)
• Knowledge of PLCs and related software
#LIOB1
Artificial intelligence (AI) tools may be used in some portions of the candidate review process for this position, however, all final employment decisions will be made by a person.
Salary Range:
$88,500 - $137,100 The salary offered will vary depending on your location, job-related skills, knowledge, and experience.
At Littelfuse, we support employee growth and development. Guided by our culture principles, our teams work together to deliver value for customers and make a positive impact in the communities where we operate. We are an equal opportunity employer committed to fostering an inclusive workplace where everyone has the opportunity to grow and contribute. We offer competitive compensation and benefits, performance-based incentives, flexible work arrangements, and development opportunities.
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