Mechanical Power Engineer Jobs (NOW HIRING)

We are looking for a Power Engineer to join our Hardware System team. The successful candidate will be responsible for defining, designing, and validating the complete power architecture for our rack-scale AI data center product. This role is crucial for maximizing power efficiency, scalability, and system performance throughout the entire power delivery path, from the rack level all the way to the chip.

• Collaborate closely with cross-functional teams, including silicon, system, thermal, mechanical, and JDM partners, to bring innovative power solutions from concept to production

• Develop power specifications, power management strategy, and accurate power estimation models

• Implement voltage regulator designs that meet the silicon and system-level specifications

• Validated complex voltage regulator designs in the lab during initial silicon bring-up. Performed rigorous workload testing and measurement to confirm stable, clean power delivery within specified tolerances, ensuring system stability and performance

• Ensure designs adhere to relevant industry standards and regulations, including electrical safety and thermal management

• Provide leadership and technical guidance to other engineers during board and system integration

• 10–15 years in power design

• In-depth experience working with high‑power architecture topologies (buck DC‑DC converters, multi‑phase VRMs, vertical delivery)

• Proficiency with modeling tools for transient analysis (Simplis, HSPICE), and CAD tools for schematic entry and layout (Allegro)

• Demonstrated ability in lab bring‑up, debug techniques, design validation, and use of common lab equipment

• Proven track record for delivering shipped products

• Excellent verbal and written communication skills

• Excellent team player

• Familiarity with ORV3 HPR, VHDC, and data center power delivery is a plus

• Knowledge of dynamic workload management is a plus

• This position requires both design work and lab work

• This is a hybrid role that will require you to work from our Mountain View, CA office 3 days a week, on Tuesday through Thursday

The US base salary for this full‑time position is determined based on a variety of factors including role, experience, location, job‑related skills, and relevant education and training. Career length is only a guideline for compensation.

• Early Career - $160,000 - $275,000 + equity

• Mid Career - $175,000 - $400,000 + equity

• Senior Career - $250,000 - $600,000 + equity

• Time off: 4 weeks PTO (accrued) + 12 company Holidays + up to 3 weeks remote work

• Health: Company‑subsidized Medical (Kaiser or Anthem) for employees & dependents, Guardian Dental and Vision insurances for employee & dependents, and life insurance (employee only), plus HSA and FSA offerings via Lively. See attached benefits 1-pager and full benefits guide for more info on benefits.

• Financial Wellbeing: Choose from Roth IRA/ 401K (or both) retirement plans with up to 5% company contribution to 401K (even if you don't contribute). Also, 100% company‑paid life insurance (up to $300K) and long‑term disability insurances.

• Professional Development: $1500 Professional Development Budget (per year)

• Team Meals: MatX provides onsite team lunch & dinner Monday - Friday, with your choice of ordering via WeBox, Specialty’s or via our reimbursement system

• Commute on Us: Commute on our company Uber account, or reimburse your train rides. Either way, we pay 100% for your daily commute.

• MatX E[x]tras: $50/mo to use on the perk you value most

• Cell & Internet Reimbursement: $35/mo for cellular and $40/mo for wifi

• Mental Wellbeing: 100% paid mental health benefit via SpringHealth and Guardian EAP.

• Support to Parents: Up to 12 weeks paid parental leave regardless of path to parenthood, 10 weeks pregnancy disability leave, flexible return‑to‑work hours, and Benepass reproductive health & parental benefit.

• AI Resources: Up to $20K/month plus a dedicated internal AI Tooling Team to support your productivity

As part of our dedication to the diversity of our team and our focus on creating an inviting and inclusive work experience, MatX is committed to a policy of Equal Employment Opportunity and will not discriminate against an applicant or employee on the basis of race, color, religion, creed, national origin or ancestry, sex, gender, gender identity, gender expression, sexual orientation, age, physical or mental disability, medical condition, marital/domestic partner status, military and veteran status, genetic information or any other legally recognized protected basis under federal, state or local laws, regulations or ordinances.

All candidates must be authorized to work in the United States and work from our offices in Mountain View Tuesdays-Thursdays.

This position requires access to information that is subject to U.S. export controls. This offer of employment is contingent upon the applicants capacity to perform job functions in compliance with U.S. export control laws without obtaining a license from U.S. export control authorities.