NextGenEnergyJobsModern Power System Jobs

Senior Thermo Mechanical Engineer

Amperesand

San Francisco, CA

Full Time

Posted November 13, 2026

$123k - $175k· Est.

Solar Energy

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Application opens on company website

Listing evidence and provenance

Source: Greenhouse View original listing
Freshness: Open in the current public read path; this is not an employer guarantee.Last observed November 14, 2026
Classification: Modern power-system classification not yet published for this listing.Legacy source industry field: Solar Energy
Pay provenance: Estimated benchmark; not employer-provided

Job Description

Amperesand is looking for a Senior or Staff level Thermo-Mechanical Design Engineer to develop an advanced liquid-cooling system for its next-generation medium-voltage solid-state power conversion platform.

Requirements

Experience with Catia 3DX
Experience with Siemens Amesim or similar
Familiarity with high-voltage design

Benefits & Perks

Work on next-generation power infrastructure systems • High ownership and visibility • Cross-functional collaboration • Opportunity to shape future products and infrastructure • Fast-moving startup environment
Please note : This role requires working on-site 5 days a week. We do not offer hybrid or remote options.
While this role is listed for the location above, we may consider candidates in other locations on a case-by-case basis.
Work on next-generation power infrastructure systems
High ownership and visibility
Cross-functional collaboration
Opportunity to shape future products and infrastructure
Fast-moving startup environment
Compensation will be determined based on experience, location, and other factors permitted by law.
The benefits outlined below apply exclusively to employees located in the United States:
Competitive Salary + Incentive Stock Options
Medical, vision, and dental benefits for employees and their dependents, effective from the start of hire
Company paid Basic Life, AD&D, short-term and long-term disability insurance
401k retirement savings plan through Empower
Employees receive paid time off (PTO), paid sick days, and paid company holidays
Commuter Benefits
100% paid maternal leave (12 weeks) and paternal leave (6 weeks)
The benefits outlined below apply to employees located in Singapore :
Group medical, hospitalisation and surgical insurance, outpatient or GP coverage, group term life, dental and personal accident insurance
Employer and employee Central Provident Fund contributions in accordance with the CPF Act (for Singapore Citizens and Permanent Residents)
Annual leave, paid sick leave, hospitalisation leave, and all Singapore public holidays, in line with or exceeding the Employment Act
Government-paid maternity, paternity, shared parental, and childcare leave in accordance with prevailing Singapore statutory entitlements
Additional benefits may be available depending on the role and employment type. Benefits are subject to the terms of applicable company policies and plans.