os-hardening jobs in San Diego

Senior Systems Engineer responsible for planning and implementing security patches across enterprise Linux and Windows server environments in AWS, Azure, and hybrid infrastructure. Design and operate automation platforms (AWS Systems Manager, Ansible, SCCM/Intune) to scale vulnerability management and remediation across cloud and on-premises fleets.…See more Partner with security, infrastructure, network, and compliance teams on patch testing, deployment sequencing, rollback procedures, and audit-ready documentation in a regulated (GxP/SOX/21 CFR Part 11) environment.

A Junior Operating Systems Engineer will build and maintain custom Linux images using Yocto Project (recipes, layers, BitBake, kernel configuration), supporting immutable A/B-updatable OS architectures with secure boot and update tooling. The role involves packaging, integrating, and troubleshooting system services, drivers, and third-party software on embedded x86 hardware, as well as contributing to OS hardening (FIPS mode, secure boot, compliance configuration).…See more Daily use of generative AI tools will accelerate development tasks including recipe writing, test scaffolding, and debugging. The engineer will debug boot, kernel, driver, and userspace issues on real appliance hardware and document build processes, image releases, and provisioning workflows.