Amperesand
Senior Power Electronics Design Engineer
San Francisco, California, United States · Senior
Stay score
odds of building a lasting career here
Sponsors, but it's cap-subject — you still face the weighted lottery (~61% per draw at Level IV). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
$14,821 more — $189,821 — moves this role to Level IV and 4 lottery entries. That figure is inside the range the employer already advertised.
Based on the DOL prevailing wage for this occupation and worksite, a base salary of $189,821 would place this position at wage Level IV. That figure is within the posted range, and I'd like to target it. This role classifies under "Electrical Engineers" for prevailing-wage purposes.
DOL prevailing wage, 2026-27 wage year · Electrical Engineers (17-2071) · San Francisco-Oakland-Fremont, CA. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
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Sourced from Department of Labor LCA, PERM and prevailing-wage disclosure data. Employer matching is by name, so figures may be split across an employer's legal entities. Absence of a filing means none appears in our copy of the data, not that none exists.
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About the role
- Company Overview Amperesand is reinventing how the world powers its most critical systems.
- Electricity demand is skyrocketing, driven by AI factories, electric vehicles, and modern industrial growth.
- Energy supply is shifting to incorporate a more diverse mix of resources - including solar, gas, and batteries - at a massive scale.
Responsibilities
- Perform trade-off analysis and optimization of power conversion hardware to balance between loss, cost and size across Semiconductors, Magnetics and Cooling components
- Develop modulation techniques and control algorithms to handle corner-case operation of modular power stages.
- Develop Static and Dynamic equivalent models for power stage hardware to support closed-loop control implementations.
- Design and verify high-voltage isolation strategies using magnetically and optically isolated signal and power paths across LV-MV domains.
- Use FEA simulations to design magnetics
- guide high-power high-frequency PCBA designs.
- Work in close coordination with mechanical designers, manufacturing and test engineers to own the complete development cycle.
- Use FEA simulations to design magnetics; guide high-power high-frequency PCBA designs.
- Amperesand is building hardware and software that rewrites this broken power infrastructure playbook to support a new era of energy abundance.
- Join us in building the power foundation of the future!
Requirements
- Knowledge of EMI/EMC test Standards and Electrical Safety (IEC, UL) Standards.
- Willingness and ability to travel up to 10% including internationally
- M.S. or Ph.D. in Power Electronics, Electromagnetics or related field.
- 2+ years' experience in power conversion design.
- Strong fundamentals in power converter topologies, modulation techniques, and design trade-off analysis.
- Experience working with SiC/GaN devices in high-density designs.
- Good understanding of loss mechanisms in Semiconductor devices, Passive EE components and high-frequency magnetics
- Demonstrated expertise in simulation-driven design and figure-of-merit evaluation across topology, controls, devices, and magnetics.
- Strong analytical skills for interpreting simulation and test data to guide design revisions.
- Excellent written and verbal communications in English
- Please note: This role requires working on-site 5 days a week. We do not offer hybrid or remote options.
- Salary: $175,000-$205,000/annual DOE and location
Compensation
- Competitive Salary + Incentive Stock Options
- $175,000-$205,000/annual DOE and location
- Pay Disclosure & Benefits
- Compensation will be determined based on experience, location, and other factors permitted by law.
- Annual leave, paid sick leave, hospitalisation leave, and all Singapore public holidays, in line with or exceeding the Employment Act
Benefits
- Competitive Salary + Incentive Stock Options
- Group medical, hospitalisation and surgical insurance, outpatient or GP coverage, group term life, dental and personal accident insurance
- Annual leave, paid sick leave, hospitalisation leave, and all Singapore public holidays, in line with or exceeding the Employment Act
- Commuter Benefits
- Government-paid maternity, paternity, shared parental, and childcare leave in accordance with prevailing Singapore statutory entitlements
- Amperesand is led by breakthrough energy hardware development veterans and funded by top tier investors who share our vision of building a category-defining energy technology company.
- 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
Company info
- We are facing a once-in-a-generation opportunity for infrastructure disruption.
- Scalable in-house advanced manufacturing capability is our foundation for meeting timeline and quality expectation to serve infrastructure customers around the world.
- With hubs in San Francisco, Reno, and Singapore, our global team is laser focused on building foundational technology to solve the most pressing problems in power infrastructure at scale.
This listing is sourced directly from Amperesand's careers page and normalized into a canonical job model.