Lead / staff engineer - embedded security / boot loader(6+ years)

Silicon Labs (NASDAQ : SLAB) is the leading innovator in low-power wireless connectivity, building embedded technology that connects devices and improves lives. Merging cutting-edge technology into the world’s most highly integrated So Cs, Silicon Labs provides device makers the solutions, support, and ecosystems needed to create advanced edge connectivity applications. Headquartered in Austin, Texas, Silicon Labs has operations in over 16 countries and is the trusted partner for innovative solutions in the smart home, industrial Io T, and smart cities markets. Learn more at you'll do :

Play a key role in shaping the core software stack powering Silicon Labs’ wireless So Cs.

Build secure, resilient platforms that scale across smart homes, industrial systems, and commercial applications.

Collaborate with industry experts in a flexible, innovation-driven environment.

Contribute to both proprietary and open-source ecosystems shaping the future of Io T.

Key areas of ownership include :

Development and maintenance of low-level platform software such as peripheral drivers, RTOS integration, and embedded services.

Delivery of embedded security features including cryptographic services, secure boot, and trusted execution infrastructure.

Responsibilities

Technical Ownership : Microcontroller Platform Software

Own design and delivery of core embedded software, including :

Peripheral drivers (I2 C, SPI, UART, GPIO, ADC, etc.)

RTOS abstraction layers and OS services

System infrastructure components (e.g., logging, CLI, initialization routines)

Ensure tight integration with new hardware platforms and cross-functional enablement across the product stack.

Champion reusable, scalable software architecture for long-term platform health.

Technical Ownership : Embedded Security Features

Drive the design and integration of key security components, such as :

Secure boot and image authentication

Hardware cryptographic accelerators and cryptographic APIs

Secure key storage, attestation, anti-rollback protections

Work closely with security architects and certification teams to meet internal and industry compliance requirements (e.g., PSA Certified, SESIP, FIPS).

Required Qualifications & Skills

Bachelor’s or Master’s degree in Computer Engineering, Electrical Engineering, or a related field.

6+ years of experience in embedded systems software development.

Expertise in embedded C / C++ and development on ARM Cortex-M class microcontrollers.

Hands-on experience delivering low-level software : drivers, RTOS integration, and system libraries.

Strong foundational knowledge of embedded system security concepts and secure development practices.

Preferred Qualifications & Skills

Experience with Zephyr RTOS , including upstream contributions or participation in the Zephyr Project community.

Knowledge of secure firmware updates, secure element integration, and trusted execution environments.

Familiarity with fuzz testing, threat modeling, or static / dynamic security tools.

Experience managing geographically distributed teams across multiple time zones.

Exposure to industry certifications and compliance programs such as PSA Certified, SESIP, or FIPS.

Benefits & Perks :

Not only will you be joining a highly skilled and tight-knit team where every engineer makes a significant impact on the product; we also strive for good work / life balance and to make our environment welcoming and fun.

Equity Rewards (RSUs)

Employee Stock Purchase Plan (ESPP)

Insurance plans with Outpatient cover

National Pension Scheme (NPS)

Flexible work policy

Childcare support

Silicon Labs is an equal opportunity employer and values the diversity of our employees. Employment decisions are made on the basis of qualifications and job-related criteria without regard to race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status, or any other characteristic protected by applicable law.