Staff Firmware Engineer, Platform Security

Ridealso
Palo Alto, CA
On-site

Who this role is best for

Geared toward senior-level embedded engineers with deep expertise in firmware security, comfortable with setting technical direction for secure boot and OTA trust models.

Best fit for

  • Senior embedded engineers with experience in secure boot and OTA trust models across multiple ECUs
    — “set the technical direction for our vehicle firmware security platform
  • Candidates who have led cryptographic key lifecycle and secure storage strategies in production environments
    — “own the on-device and fleet key strategy (HSM/OTP/secure element)
  • Individuals with a track record of mentoring senior engineers and aligning cross-functional stakeholders
    — “mentor engineers on secure design, and align firmware, cloud, manufacturing, and systems stakeholders

Things to consider

  • The role demands hands-on expertise in constrained MCUs and secure boot chains, not just theoretical knowledge
    — “Experience designing and shipping secure boot chains, bootloaders, signed firmware images
  • Strong emphasis on integrating security into CI pipelines and ensuring platform-wide adoption
    — “wire signing and verification into CI/release pipelines and drive platform-wide adoption

How to stand out

  • Emphasize your leadership in defining and implementing secure boot architectures for multiple MCU families
    — “define secure boot architecture across MCU families (ROM → bootloader → app)
  • Highlight your hands-on work with cryptographic primitives and secure elements in production settings
    — “hands-on expertise with cryptographic primitives and embedded crypto on constrained MCUs
  • Showcase your ability to integrate security validation into CI and HIL testing scenarios
    — “integrate critical checks into CI, mentor engineers on secure design
  • Demonstrate your experience in designing secure OTA trust models for vehicle firmware updates
    — “own end-to-end trust for firmware updates — signed/encrypted payloads
Pace · Fast PacedCollaboration · HighAutonomy · HighDecision Impact · CompanyLevel · Senior

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • secure boot architecture
  • cryptographic key strategy
  • network security design
Typical background
embedded software/firmware developmentvehicle/IoT security architecture

Skills & requirements

Required

Firmware DevelopmentSecure BootCryptographic Key LifecycleNetwork IntegrityOTA SecurityThreat ModelingValidation

Preferred

Secure Boot ChainsOTA Trust Models

Stack & domain

Embedded Software/firmware DevelopmentSecure BootCryptographic PrimitivesEmbedded CryptoKey Storage & ManagementNetwork & Bus IntegrityOTA SecurityPlatform Security FrameworksThreat Modeling & HardeningValidation & Cross-functional LeadershipProblem-solvingTeamworkCommunicationLeadershipMentorshipVehicle Firmware SecurityCryptographic Key LifecycleNetwork IntegrityTrusted OTA

About the role

Original posting from Ridealso via Ashby

About ALSO.

We’re ALSO, an electric mobility company originally conceived as a part of Rivian. We’re a passionate team of builders, dreamers, doers and innovators, focused on creating entirely new (not to mention, innovative and delightful) vertically integrated, small EVs designed to meet the global mobility challenges of today and tomorrow. Our mission is to inspire everyone to ride ALSO—replacing many local car, truck and SUV miles with ones on vehicles that are more affordable, more enjoyable and 10-50x more efficient.

At ALSO, we are looking for a Staff Firmware Security Architect to set the technical direction for our vehicle firmware security platform — secure boot, cryptographic key lifecycle, network integrity, and trusted OTA.

You'd own the end-to-end security architecture that protects every ECU across our product portfolio, make the hard cross-cutting calls that product teams build on, and partner with cloud, manufacturing, and firmware teams to make security practical in CI, on the bench, and in production. You'd raise the bar for the entire organization through design leadership, mentorship, and hands-on delivery of the most critical trust paths in the vehicle.

What You'll Do

  • Secure boot & root of trust: define secure boot architecture across MCU families (ROM → bootloader → app) — image signing, verification, anti-rollback, and debug/JTAG lockdown for production — setting the standard other ECU teams adopt
  • Key storage & management: own the on-device and fleet key strategy (HSM/OTP/secure element), key hierarchy design, and integration with signing and PKI services across development, manufacturing, and field
  • Network & bus integrity: lead CAN/CAN-FD security design (authentication, integrity, encryption where required), and establish policies for protected diagnostics and secure UDS access platform-wide
  • OTA security: own end-to-end trust for firmware updates — signed/encrypted payloads, on-device verification, rollback safety, and secure handoff between cloud signing infrastructure and vehicle update flows
  • Platform security frameworks: architect reusable security libraries and APIs (crypto wrappers, secure storage, auth services) that product ECU teams adopt without reinventing trust
  • Threat modeling & hardening: lead threat models across boot, update, and network attack surfaces, and partner with product and cloud teams on security reviews and production readiness
  • Validation & cross-functional leadership: drive security test strategy (benchtop PoCs, negative tests, HIL scenarios), integrate critical checks into CI, mentor engineers on secure design, and align firmware, cloud, manufacturing, and systems stakeholders on requirements and trade-offs

What You'll Bring

  • 8+ years in embedded software/firmware development, with deep ownership of secure boot, crypto, or vehicle/IoT security architecture, and a proven track record setting technical direction across multiple ECUs or products, not just one component
  • BS in an engineering discipline (Computer Science or Electrical Engineering preferred; MS or equivalent depth a plus)
  • Hands-on expertise with cryptographic primitives and embedded crypto (AES, ECC/RSA, HMAC, certificates) on constrained MCUs, including key provisioning, OTP/fuse programming, and HSM or secure element usage in production
  • Experience designing and shipping secure boot chains, bootloaders, signed firmware images, and OTA trust models in production
  • Experience securing vehicle or industrial networks (CAN/CAN-FD, authenticated messaging, secure diagnostics) is a strong plus
  • Expert-level C/C++ on bare-metal or RTOS (FreeRTOS, Zephyr, ThreadX, or similar), with deep comfort with linkers, memory maps, and debugging tools (JTAG/SWD)
  • Ability to wire signing and verification into CI/release pipelines and drive platform-wide adoption
  • Excellent communication skills — able to document security architecture, threat models, and runbooks, and mentor senior engineers; hardware-in-the-loop testing and emulation experience is a plus

The salary for this position ranges from $200,000 - $240,000 per year, depending on experience, qualifications, and location.

Perks & Benefits

  • Robust health coverage — excellent health, dental and vision insurance covered up to 100% by ALSO with FSA & HSA options
  • One Medical membership and dedicated insurance advocates
  • Rich fertility and family building benefits with Progyny
  • Flexible time off
  • 401(k) match

Why ALSO.

We’re passionate about helping the world find a better way to get there—wherever it is you’re headed.

We’re located in the heart of Silicon Valley and have brought together a world-class team from some of the biggest brands in the technology, automotive, cycling, outdoor recreation and retail spaces. 

Together we’re working hands-on to imagine, design and build an entirely new solution to a global set of transportation challenges.

Source: Ridealso careers (Ashby)

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