Top Linux Jobs in San Diego, CA

Long-term software development internship supporting packaged insurance systems and business applications. The intern will design and develop applications using Java, Spring Boot, JavaScript, React, Python, and scripting languages; work with AWS, GitHub, automation tools, SQL, and relational databases; and collaborate with developers across IT. The role requires current college enrollment, a 12-month commitment, and full-time summer and part-time school-year availability.

Lead and execute client-facing IT infrastructure projects, including virtualization, Microsoft 365, server, network, office build-out, and business application deployments. Coordinate kickoffs, vendors, internal teams, documentation, status updates, post-go-live support, and project debriefs. Serve as a hands-on engineer and escalation point while managing multiple concurrent projects and communicating project impacts to clients.

Lead DevOps Engineer responsible for designing and managing GitOps and CI/CD pipelines, release workflows, Terraform infrastructure, Kubernetes platforms, observability, cloud networking, security, and cost optimization. The role leads Azure-to-GCP migrations, administers cloud policies and access controls, supports production systems, mentors engineers, and drives Agile release and continuous-improvement practices.

Design and maintain electrical panel layouts and schematics for battery, UPS, and energy management products. Generate accurate BOMs, coordinate with engineering, suppliers, and manufacturing, support design reviews, standardize documentation, and manage revisions. The role requires hands-on AutoCAD Electrical expertise and knowledge of panel design conventions, wiring, symbols, and manufacturing documentation.

Administer and maintain enterprise Windows Server environments, applications, databases, Active Directory, IIS, and SQL Server. Manage permissions, security policies, patching, backups, disaster recovery, monitoring, incident response, and system lifecycle support across development, test, and production environments. Provide Tier II/III troubleshooting, deploy custom and third-party applications, and document system configurations and procedures for a Navy shipyard program.

Own and support production Django applications for the National Library of Medicine. Responsibilities include architecture, performance optimization, PostgreSQL development, data pipelines, integrations, incident response, testing, monitoring, documentation, mentoring, and application enhancements. The role may also involve front-end work with Angular, Vue, or React and requires on-site work in Bethesda, Maryland, plus the ability to obtain a Public Trust background investigation.

Leads enterprise and solution architecture design for complex government and international-partner systems. Develops architecture views, digital models, roadmaps, and DoDAF/PAG-compliant artifacts; advises senior leadership; oversees other architects; supports requirements analysis, architecture governance, and investment decisions. Uses MBSE methods to link requirements, designs, services, and systems across partner organizations. The role is fully onsite in Springfield, Virginia, and requires TS/SCI clearance eligibility and polygraph capability.

Lead the architecture, engineering, administration, modernization, and migration of PostgreSQL and Oracle database ecosystems supporting high-volume Multi-INT data fusion and tracking. Develop spatial and spatiotemporal data models, ingestion and archiving systems, cloud integrations, web services, algorithms, and UI data services. Support hybrid infrastructure, performance optimization, security, operations, systems assessments, configuration management, documentation, and operator training.

Assists with maintaining and optimizing server hardware, operating systems, application software, and business services. Supports ITIL-based change, incident, and problem management; troubleshoots hardware, software, and network connectivity issues; develops documentation; completes training and assignments; follows departmental procedures; and escalates issues appropriately under the supervision of senior system administrators.

The Site Reliability Engineer will improve availability, scalability, observability, resilience, and operability across a 24/7 SaaS platform. Responsibilities include designing high-availability systems, defining SLOs and error budgets, managing Datadog observability, responding to incidents, conducting root cause analysis, improving deployment safety, automating operational tasks, managing infrastructure as code, and supporting compliance with security and HIPAA policies.