Staff Firmware Engineer
Company websiteamperesand.io (Amperesand, opens in new tab)
Base salary $190K to $250K
Employer-published annual base salary, USD. Advertised base range in Sunnyvale, CA
This job is no longer listed by the employer as of Nov 6, 2026. It is no longer shown as accepting applications. The history below is kept for reference.
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- LocationSunnyvale, CA
- WorkplaceWorkplace not stated
- Status at last checkClosed
View original posting on Greenhouse (opens in new tab)
This listingStaff Firmware Engineer$190K to $250K
Senior Test Engineering Manager$190K to $230K
Senior Firmware Manager$200K to $240K
Senior Staff Product Manager$200K to $250K
EHS Program Manager$180K to $200K
Staff Power Electronics Control Engineer$175K to $310K
Senior Power Electronics Design Engineer$175K to $205K
Chart as a table
| Role | Published base |
|---|---|
| Staff Firmware Engineer (this listing) | $190K - $250K |
| Senior Test Engineering Manager | $190K - $230K |
| Senior Firmware Manager | $200K - $240K |
| Senior Staff Product Manager | $200K - $250K |
| EHS Program Manager | $180K - $200K |
| Staff Power Electronics Control Engineer | $175K - $310K |
| Senior Power Electronics Design Engineer | $175K - $205K |
Observed changes
- First observed on the employer's board
- Began meeting the published-salary criteria
- Absent from the employer's board; confirmation pending
- Closure observed on Nov 6, 2026
- Observed since
- Employer-stated posting date
- 2025-12-22
Where this pay comes from
Location as the employer wrote it: Sunnyvale, California, United States
$190,000—$250,000 USD
- Method
- Employer text, read with fixed rules and re-verified
- Checked
- Rule set
- us-base-v2
The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.