Embedded Linux Engineer (Yocto) – Secure Boot & Clearance

Lyntris; San Diego (CA); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Paid Time Off

Paid Company Holidays

Medical, Dental & Vision Insurance

Optional HSA and FSA

Base and Voluntary Life Insurance

Short Term & Long-Term Disability

401k Matching

Employee Assistance Program

Job summary

Lyntris in San Diego, CA is seeking a Junior Operating Systems Engineer specializing in Embedded Linux and Yocto to join our on-site team. You will build and maintain custom Linux images, support secure boot and immutable OS architectures, and troubleshoot drivers and services on embedded hardware.

You will also leverage generative AI to accelerate development, draft build/w provisioning documentation, and contribute to OS hardening efforts while ensuring compliance with security requirements

Qualifications

• Currently holds an active U.S. national security clearance or can obtain one.
• Build and maintain custom Linux images using the Yocto Project (recipes, layers, BitBake, kernel configuration).
• Support an immutable, A/B-updatable OS image architecture, including secure boot and update tooling.
• Package, integrate, and troubleshoot system services, drivers, and third-party software on embedded hardware.
• Contribute to OS hardening (FIPS mode, secure boot, compliant configuration).
• Debug boot, kernel, driver, and userspace issues on real appliance hardware.
• Use generative AI tools daily to accelerate development: recipes, test scaffolding, docs, and build fixes.
• Write clear documentation for build processes, image releases, and provisioning workflows.

Responsibilities

• Build and maintain custom Linux images using the Yocto Project.
• Support an immutable, A/B-updatable OS image architecture with secure boot.
• Package, integrate, and troubleshoot services, drivers, and software on embedded hardware.
• Contribute to OS hardening and security compliance.
• Debug boot, kernel, driver, and userspace issues on real appliance hardware.
• Use generative AI tools to accelerate development and generate documentation.
• Write documentation for build processes, releases, and provisioning workflows.

Skills

Embedded Linux

Open source tooling

Documentation writing

Generative AI usage

Tools

Yocto Project

Buildroot

Secure boot / TPM concepts

Suricata / Zeek (network security tools)

Job description

Lyntris in San Diego, CA is seeking a Junior Operating Systems Engineer specializing in Embedded Linux and Yocto to join our on-site team. You will build and maintain custom Linux images, support secure boot and immutable OS architectures, and troubleshoot drivers and services on embedded hardware.

You will also leverage generative AI to accelerate development, draft build/w provisioning documentation, and contribute to OS hardening efforts while ensuring compliance with security requirements