Top Senior Linux Jobs in San Diego, CA

Own and administer Zeno’s AWS-based engineering computing environment, including cloud workstations, HPC resources, storage, networking, access, licensing, and specialized engineering applications. Translate engineering needs into technical requirements, support users, manage software procurement, troubleshoot infrastructure and licensing issues, and maintain security and compliance documentation. The role is hybrid in Seattle, requires less than 10% travel, and has a six-month contract duration.

Design, develop, troubleshoot, and support secure, high-volume software applications in an Agile environment. Provide technical leadership across the software development lifecycle, lead code and design reviews, establish automated testing, monitor production systems, and improve quality practices. Collaborate with architects, product partners, customers, and engineers while mentoring team members. Build and maintain AI-enabled components responsibly, applying security, privacy, governance, observability, and compliance standards.

The Site Reliability Engineer will maintain the availability, scalability, performance, and security of AI-powered applications and infrastructure. Responsibilities include building observability and automation, troubleshooting production incidents, conducting root-cause analyses, managing infrastructure as code, improving CI/CD and deployment practices, supporting vulnerability remediation, and partnering with engineering teams on resilient service design. The role also participates in on-call rotations, defines reliability objectives, analyzes system performance, and documents post-incident findings.

Provides field-based reliability engineering for mobile mining equipment at an open-pit mine. Analyzes equipment performance, failures, maintenance costs, downtime, and condition-monitoring data; leads root cause investigations and defect elimination; optimizes preventive, predictive, and condition-based maintenance strategies; supports lubrication and contamination control; and drives reliability improvements, KPI tracking, and cross-functional technical initiatives.

Designs and executes manual and automated tests for product releases, develops Python and Robot Framework test tools, investigates and documents defects, reproduces customer issues, and collaborates with developers on resolutions. The role also creates documentation and training materials, monitors product risks, improves team processes, and supports international product testing and releases. Strong networking knowledge, Linux/Unix proficiency, and experience with automation tools are required.

Manages software engineering teams and oversees the full software development lifecycle, from design through maintenance. Ensures scalable, secure, compliant solutions that meet healthcare regulations and protect member privacy. Collaborates with product, clinical, and cross-functional stakeholders; manages resources, priorities, risks, and delivery timelines. Promotes Agile, DevOps, code reviews, automated testing, continuous integration, continuous improvement, mentoring, and professional development.

Administer Azure and Microsoft 365 infrastructure, including Entra ID, Intune, Defender, and Purview. Troubleshoot Tier 2-3 identity, endpoint, network, and security issues; manage corporate and property networks, monitoring, backups, patching, and PowerShell automation. Serve as an escalation point and mentor, lead infrastructure and migration projects, and maintain change management documentation and runbooks. Travel to metro-area properties as needed.

Leads the architecture and development of AI-first frontend experiences, agent-driven UI, and scalable React component systems. Owns the design system, A2UI renderer strategy, frontend standards, accessibility, performance, and technical health. Partners with AI, backend, product, and design teams; evaluates emerging technologies; mentors engineers; and guides adoption of AI coding tools such as Claude Code and Codex. The role is an individual contributor position requiring hybrid work in Palo Alto at least three days weekly.

Designs, develops, tests, and troubleshoots analog and digital electronic hardware for fire alarm and life-safety products. Responsibilities include schematic creation, PCB support, prototype bring-up, microcontroller interfaces, verification testing, documentation, regulatory approvals, production transition, and field issue resolution. Collaborates with firmware, mechanical, manufacturing, quality, and regulatory teams while supporting UL, FM, EMC, reliability, and electrical safety requirements.

Develop, test, troubleshoot, deploy, and maintain mission-critical C++ and Python software, backend services, web applications, automation, and SQL functionality in Linux and Windows environments. Manage GitLab repositories and CI/CD pipelines, support automated testing, document technical work, and ensure compliance with DoD security requirements while supporting the Air Force Distributed Mission Operations Center.