Top Senior Linux Jobs in San Diego, CA

Leads comprehensive software testing for complex applications and systems, including strategy development, test planning, functional, regression, performance, security, and automated testing. Designs test cases and scripts, tracks defects, performs root cause analysis, conducts code reviews, and collaborates with cross-functional teams to resolve issues. Mentors junior test engineers and supports delivery within schedule and budget.

Own the architecture, roadmap, and production operation of GridCARE’s AWS-based data platform. Design ingestion, data models, storage, compute, APIs, distributed processing, governance, observability, and reliable serving layers for energy data. Build and operate AI coding agent teams, establish platform standards, mentor engineers, and partner with product and domain experts. The role requires hands-on backend, distributed systems, data infrastructure, ETL/ELT, AWS, and technical leadership experience.

Provides operational support for a global enterprise network spanning datacenters, branches, hybrid cloud environments, and retail locations. Designs and maintains network architectures, performs root-cause analysis, improves security and performance, automates processes, manages licenses, and participates in on-call incident response. Requires expertise in hybrid cloud networking, network automation, Cisco, Meraki, Palo Alto, wireless security, POS systems, PCI DSS, and SOX compliance. Physical installation and equipment handling are required.

Lead verification for a cache-coherent interconnect subsystem based on ARM CHI. Develop verification environments, protocol checkers, scoreboards, assertions, coverage models, and constrained-random tests covering coherency, ordering, flow control, retries, and integration. Analyze failures across specifications, RTL, and testbenches; drive verification strategy, coverage closure, methodology improvements, and durable fixes. Collaborate with architecture, design, formal, and software teams while mentoring engineers and supporting signoff.

Lead the end-to-end reliability program for lunar rover systems, including avionics, mechanisms, power, thermal, and structures. Build and manage a reliability and design assurance team, establish design standards and test methodologies, define verification requirements, conduct risk and change reviews, and ensure reliability requirements are incorporated into hardware. Develop analysis tools and guidance, mentor engineers, and drive continuous improvement across high-consequence spaceflight programs.

Build and maintain customer-facing and internal web applications using React and TypeScript across Rails-embedded and standalone environments. Own shared component libraries, implement Figma designs, improve frontend performance, integrate REST APIs, expand automated testing, and investigate production issues. Collaborate closely with design, product, and backend engineering while documenting maintainable patterns and applying coding agents effectively.

Design, develop, and maintain scalable real-time communication applications using WebRTC and related technologies. Architect software solutions, optimize performance and reliability, troubleshoot complex issues, collaborate with cross-functional teams, maintain development best practices, and mentor junior developers. This freelance, client-facing role requires Eastern Time Zone availability, strong communication skills, and fluent English.

Own hardware verification and validation testing for a novel medical robotic platform. Develop test plans, methods, protocols, acceptance criteria, fixtures, and reports supporting FDA submissions. Lead reliability and mechanical testing against IEC 60601-1, coordinate external test houses, collaborate with manufacturing, investigate failures, and document results. The role requires mechanical engineering expertise, regulated medical device experience, CAD and GD&T proficiency, hands-on prototyping, sensing equipment familiarity, and strong technical writing.

Owns the design, development, testing, and optimization of safety-critical vehicle firmware on resource-constrained platforms. Responsibilities include RTOS applications, communication architectures, bootloaders, device drivers, board and SoC bring-up, automated testing, debugging, and production deployment. The role leads cross-functional projects, mentors engineers, conducts code reviews, and establishes embedded engineering standards for reliable autonomous transit vehicles.

Build and maintain a modern advertiser management platform, including scalable backend services, APIs, microservices, relational data models, and high-performance middleware. Contribute to architecture, system design, troubleshooting, testing, documentation, code reviews, and performance optimization. Collaborate with product, design, and engineering teams while evaluating emerging technologies and AI-assisted development tools.