Electrical Engineer

Electrical Engineer

Hitachi Particle Engineering and Services, Inc. (HPES) is the world's leading commercial supplier of ion linear accelerator systems. We specialize in the development, production, installation and servicing of low-cost compact ion linear accelerators (linacs) using radio frequency quadrupole (RFQ) linac and drift‑tube linac (DTL) technology. Our company is dedicated to providing the highest quality and most reliable commercial ion linac systems to meet the needs of customers in medical, industrial, and research applications.

Company: Hitachi Particle Engineering and Services, Inc.

Department: Manufacturing

Location: Pleasanton, CA

Status: Regular, Full-Time

Position Summary: Under limited supervision, the Electrical Engineer at HPES is responsible for leading major engineering projects or multiple smaller projects involving LINAC systems. This role includes the design, development, and troubleshooting of complex electronic and control systems from existing design through production and testing. The engineer ensures timely and cost‑effective delivery of high‑performance systems, with expertise in RF power (425 MHz), high voltage (100 V – 30 kV), instrumentation, and control systems.

• Design and document electrical systems tailored to customer requirements.
• Manage project timelines and coordinate with HPES manufacturing teams.
• Develop structured electrical designs, especially for high voltage and RF systems.
• Create procedures for design, testing, documentation, and configuration control.
• Program or support programming LINAC control software or test equipment using LabVIEW or other software.
• Support installation, startup, servicing, and modification of systems at customer sites.
• Troubleshoot and resolve technical issues using sound engineering principles.
• Develop and modify control system software and hardware specifications.
• Interface with internal teams and external customers to enhance product features.
• Ensure quality and performance standards through rigorous testing and reviews.
• Collaborate with other teams such as Manufacturing, Quality, and Field Service to improve integration and reliability.
• Provide technical support with RF tuning, potentially training others.
• Estimate time and resources for project tasks.
• Review the existing circuitry and make proper revisions or corrections, if required.
• Perform additional duties as assigned.

• Bachelor’s degree / Master’s degree in Electrical Engineering or equivalent.
• 7+ years in analog/digital circuit design, power supply, vacuum controls, and EMI/EMP troubleshooting.
• Proficiency in MS Office.
• Altium experience is preferred.
• SPICE tools experience is desirable.
• High‑level analytical and problem‑solving abilities.
• Ability to work independently and collaboratively in office and lab environments.
• Experience at accelerator facilities, especially within HPES, is a plus.

• Use of test equipment and hand tools; occasional lifting up to 25 lbs.
• Work in confined spaces and elevated platforms.
• Travel by air, train, or car for field assignments.
• Visual acuity and manual dexterity for detailed work.

Mid‑Senior level

Full‑time

Manufacturing and Appliances, Electrical, and Electronics Manufacturing

• Medical insurance
• Vision insurance
• 401(k)

Equal Opportunity Employer Statement: We are proud to say we are an equal opportunity employer and welcome all applicants for employment without attention to any factor that doesn’t impact your ability to do the job, including race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status. We are proud of Japanese heritage, with our values expressed through the Hitachi Spirit:

Wa – Harmony, Trust, Respect

Makoto – Sincerity, Fairness, Honesty, Integrity

California Pay Transparency Statement: A good faith estimate of the expected salary for this position in our California office salary range that the employer reasonably expects to pay for the position upon hire is $125,000 - $140,000. Pay is determined based on a variety of factors including, but not limited to, depth of experience in the practice area. Employees are eligible to participate in Hitachi America’s variable pay program, subject to the program’s conditions and restrictions.

Fair Chance Statement: Qualified Applicants with arrest or conviction records will be considered for Employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.