Home › Companies › Phizenix › Senior Firmware Engineer
Senior Firmware Engineer
Phizenix · Santa Clara, California · Active · $185,000–$225,000 / year · Greenhouse
Job facts
| Field | Value |
|---|---|
| Company | Phizenix |
| Title | Senior Firmware Engineer |
| Normalized title | - |
| Department / team | External - Client Requirement |
| Location | Santa Clara, CA, United States |
| Work model | - |
| Employment type | - |
| Salary | $185,000–$225,000 / year |
| Status | active |
| ATS provider | Greenhouse |
| Posted / first seen | 2025-07-10 / 2026-05-29 |
| Changed / last seen | 2026-05-29 / 2026-06-06 |
Related slices
| Page | What it contains | Open |
|---|---|---|
| Company jobs | Active postings from Phizenix. | Open |
| Company breakdowns | Role, location, ATS, and work model facets for this company. | Open |
| ATS provider jobs | Active postings observed through Greenhouse. | Open |
| Provider filtered search | The same provider as a filtered job collection. | Open |
| City jobs | Active postings in Santa Clara. | Open |
| Department jobs | Active postings in External - Client Requirement . | Open |
| Lifecycle events | Open, update, close, and reopen events for this posting. | Open |
| Original posting | Canonical source or apply URL captured from the ATS. | Open |
Linked records
| Company | Phizenix |
| Source | 48b7517b-b03f-4519-bbf1-dd9e86468f04 |
| ATS provider | Greenhouse |
Description
ABOUT THE ROLE
As Senior Firmware Engineer, you will be a key player in the architecture and the full lifecycle development of an AI platform system, including requirements, design, code, and test. In this role, you will be part of a team developing next generation AI/ML solutions using Client's AI Photonic Fabric Architecture. You will be responsible for developing production-grade firmware for Client's photonic fabric product lineup and developing firmware APIs for resource management and optimization. You will collaborate closely with hardware and software teams to implement the communication management software for different Photonic Fabric use cases.
ESSENTIAL DUTIES AND RESPONSIBILITIES
Demonstrate best practices in software development and documentation to deliver high-quality software on tight schedules while meeting all requirements.
Actively engage in code reviews, discussions to share knowledge, and improve code quality
Participate in gathering technical requirements, contributing to firmware and software design specifications
Provide support to both internal and external SW and HW development teams
Provide guidance on test plans for lab characterization once design comes back from fab
QUALIFICATIONS
Bachelor’s degree with 8+ years of experience, or Master’s degree with 6+ years of experience in Computer Science, Electrical Engineering, Information Technology or a related technical field.
At least 5 years of hands-on experience in firmware or embedded software development.
Deep proficiency in C (required) and/or C++ (highly desired) for embedded systems.
Demonstrated experience with microcontroller architectures (e.g., ARM Cortex-M/R/A, ESP32, RISC-V) and their peripherals. You understand the nuances of clocking, interrupts, DMA, and memory-mapped registers.
Proven ability to debug complex hardware/firmware issues on the bench using:
In-circuit debuggers (JTAG/SWD) with GDB.
Oscilloscopes: Experience reading signal waveforms, verifying timing, and identifying glitches.
Logic Analyzers: For decoding digital bus traffic (SPI, I2C, UART).
Multimeters/Power Supplies: For basic electrical troubleshooting.
Experience in writing bare-metal drivers and working directly with device registers.
Familiarity with version control systems (Git preferred) and bug tracking tools.
Strong problem-solving skills with an investigative, "get to the bottom of it" mindset.
Excellent communication skills, both written and verbal, for collaborating with hardware, QA, and software teams.
California Pay Range $185,000 — $225,000 USD
Full job record
| Job ID | ff784eb732cbda39e076b1a5ccd82db9f2fc7ce6 |
| Org ID | 38490b2a-d5d5-4301-a636-5c9284e3c68a |
| Source ID | 48b7517b-b03f-4519-bbf1-dd9e86468f04 |
| Board ID | 48b7517b-b03f-4519-bbf1-dd9e86468f04 |
| Provider | greenhouse |
| Provider Job Key | 4802380008 |
| Title | Senior Firmware Engineer |
| Normalized Title | — |
| Status | active |
| Active | yes |
| Location Text | Santa Clara, California |
| Department | External - Client Requirement |
| Team | — |
| Employment Type | — |
| Workplace Type | — |
| Remote Policy | — |
| Country | United States |
| Region | CA |
| City | Santa Clara |
| Salary Raw | Pay Range $185,000 — $225,000 USD |
| Salary Min | 185,000 |
| Salary Max | 225,000 |
| Salary Currency | USD |
| Salary Period | year |
| Source URL | https://job-boards.greenhouse.io/phizenix/jobs/4802380008 |
| Apply URL | https://job-boards.greenhouse.io/phizenix/jobs/4802380008 |
| First Seen At | 2026-05-29 22:58:20Z |
| Last Seen At | 2026-06-06 20:07:26Z |
| Last Checked At | 2026-06-06 20:07:26Z |
| Last Changed At | 2026-05-29 22:58:20Z |
| Inactive At | — |
| Source Posted At | 2025-07-10 22:11:59Z |
| Source Updated At | 2025-10-30 15:01:11Z |
| Raw Payload Uri | s3://job-postings-prod-raw-590183727216/raw/provider=greenhouse/board=phizenix/date=2026-06-06/2026-06-06T20-07-26-517Z-1a2f65c1bc9104b34025974d972da5e1303b2e8a24ea3273ce56803b6145213c.json |
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