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Senior Firmware Engineer (Embedded Systems, IoT)

luxer one® • United State
Relocation
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Luxer One, an Assa Abloy company, seeks a Senior Firmware Engineer to own firmware architecture and delivery for its embedded hardware portfolio, including locker control boards, IoT gateways, and BLE/WiFi-connected access systems. The role spans the full lifecycle from hardware bring-up and architecture through production firmware, OTA pipelines, and field reliability, with a focus on uptime and real-world deployment. Candidates need 5+ years of embedded C/C++ experience, expertise in wireless connectivity, OTA design, and a track record of shipping production IoT products.

Key Highlights
Own firmware architecture and delivery for a portfolio of embedded hardware products
Design and implement firmware from hardware bring-up to production, including OTA and telemetry
Collaborate with electrical engineers and manufacturing partners on NPI and production validation
Actively use AI tools in engineering workflow to enhance productivity and quality
Based in Sacramento, CA with in-office work model; relocation support available
Key Responsibilities
Own firmware architecture and delivery for Luxer One's embedded hardware portfolio, including locker control boards, IoT gateways, BLE/WiFi-connected access hardware, and next-generation platform programs.
Design and implement firmware from the ground up on new hardware programs: architecture decisions, peripheral bring-up, RTOS integration, application layer, and production readiness.
Build and maintain OTA update pipelines and device management integration, including MDM enrollment, provisioning workflows, and fleet telemetry.
Partner with electrical engineers and manufacturing partners on hardware design review, design for manufacturability, NPI readiness, and production validation.
Write and maintain hardware specifications, architecture decision records, and technical documentation that inform roadmap decisions and manufacturing commitments.
Maintain and improve the reliability of devices in the field by monitoring telemetry, identifying failure patterns, shipping patches, and owning uptime metrics on deployed fleets.
Contribute to firmware quality standards: code review, CI pipeline health, automated test coverage, and escape defect rates from QA.
Actively use AI tools in your workflow for documentation generation, debugging analysis, status reporting, and code review, and help the team develop best practices for AI-assisted embedded development.
Represent embedded systems in cross-functional planning as the authoritative technical voice on firmware capabilities and constraints.
Technical Skills Required
C/C++ Embedded systems RTOS
Benefits & Perks
$140,000 – $175,000 base salary
Annual performance bonus
401(k) with employer match
Competitive health, dental, and vision benefits
Accrued Paid Time Off, Sick Leave, Floating Holiday
Nice to Have
Experience working with contract manufacturers on NPI programs
Familiarity with device management platforms (MDM) for IoT fleets
Linux-based embedded systems experience (Yocto, Buildroot, or similar)
Experience with secure boot, secure element integration, or key management
Background in access control, smart lock, or connected physical security systems
Experience with fleet telemetry design and uptime instrumentation

Job Description

About Luxer One

Luxer One designs and deploys smart locker and access systems across multifamily properties, commercial enterprises, retail chains, and food delivery networks across North America. An Assa Abloy company, our products span cloud, mobile, and physical hardware — connected through firmware that runs in the field, at scale, around the clock. We manufacture control boards, IoT gateways, access hubs, and connected locker systems, and the firmware powering those devices is what makes all of it reliable.

Why This Role Matters
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