Top Linux Jobs in San Diego, CA

Designs, implements, operates, and automates Cisco and Arista spine-leaf data center and DMZ networks. Engineers F5 BIG-IP load balancing and security services, develops Python and Ansible automation, and supports routing, switching, segmentation, and resiliency. Responsibilities include implementation planning, testing, change management, Level 3 incident escalation, root cause analysis, audits, documentation, operational handoff, and mentoring junior engineers.

Designs and engineers AC and DC overhead catenary and traction power feeder systems for rail projects. Responsibilities include structural and catenary calculations, shop drawings, estimating, O&M documentation, construction support, field troubleshooting, testing, commissioning, system integration, and coordination with track, signal, power, contractors, and owner representatives.

Develops, tests, and maintains complex mobile and web applications, database integrations, and data repositories. Gathers requirements, performs systems analysis and design, researches technology alternatives, and supports technical architecture standards. Collaborates with architects, developers, analysts, business experts, and leadership to deliver strategic solutions. Advises management on technology direction, standards, policies, and problem resolution while documenting solutions and supporting organizational applications.

Lead platform and infrastructure architecture for scalable AI workloads. Design resilient distributed systems, foundational platform services, and cloud environments; solve complex infrastructure challenges; mentor junior engineers; and collaborate with product, research, and security teams to improve reliability, performance, developer experience, and operational efficiency.

Develop and maintain web solutions using SharePoint, HTML, CSS, JavaScript, and Microsoft Power Platform tools. Translate business needs into technical solutions, support Army 365 collaboration environments, troubleshoot systems, and comply with DoD cybersecurity, identity management, governance, and access-control requirements. The role supports SIPR/NIPR environments and requires an active Secret clearance, U.S. citizenship, and onsite work at the Pentagon.

Serve as a senior SQL Server DBA and trusted client advisor, focusing on performance tuning, cloud database architecture, automation, high availability, disaster recovery, capacity planning, and proactive risk management. Lead root-cause analysis, database migrations, deployment scripting, monitoring, reporting integrations, and service lifecycle planning across AWS and Azure. Build client relationships, guide technical strategy, and deliver reliable database services within defined service-level objectives.

Engineer and deploy Windows 365 Cloud PC environments, migrate users from traditional desktop or VDI platforms, and harden and optimize Windows OS configurations. Automate repeatable deployments using scripting and infrastructure-as-code principles, troubleshoot rollout issues, document procedures, and coordinate with security and infrastructure teams. The role requires independent execution, hands-on administration through Intune, Endpoint Manager, and Azure/Microsoft 365 tools, and the ability to start quickly.

Manage and maintain a large-scale Azure government cloud platform across multiple regions and Air Force mission environments. Responsibilities include designing, deploying, securing, monitoring, automating, optimizing, and troubleshooting Azure infrastructure and workloads. The role administers governance, identity, networking, backup, disaster recovery, compliance, and operational processes while collaborating with application, DevOps, and systems teams. Strong documentation, communication, independent work, and active DoD Secret clearance are required.

Conducts laboratory process-development experiments and supports process system design, equipment selection, pilot-scale trials, scale-up, validation, and manufacturing process optimization. Analyzes process data to improve efficiency and reduce costs while supporting safety reviews, troubleshooting, compliance, and cross-functional engineering initiatives.

Define and guide architecture for high-performance ASICs supporting AI accelerators, networking, and data center workloads. Develop architectural and micro-architectural specifications, model performance, optimize power, performance, and area, and lead trade-off studies and design reviews. Collaborate with RTL, verification, physical design, firmware, and software teams while defining power-management strategies and mentoring engineers.