Top Linux Jobs in San Diego, CA

Supports enterprise IT operations through Windows and Linux systems administration, Active Directory and Group Policy management, cloud and virtualization support, patch and software deployment, security hardening, network and database administration, and ServiceNow ticket resolution. Leads Tier 1 and Tier 2 helpdesk technicians, coordinates cross-functional initiatives, maintains IT assets, supports Microsoft enterprise services, and ensures compliance with operational, security, and service-level requirements at a Washington, DC client site.

Develop and maintain C#/.NET applications spanning backend systems and customer-facing products. Analyze existing codebases independently, improve architecture, collaborate cross-functionally, and write clean, testable, scalable software. The role also involves database work, potential distributed systems and microservices development, and reading electronics schematics while learning hardware concepts.

Provides advanced technical support for industrial control systems and automated food production equipment. Responsibilities include troubleshooting, optimization, capital project support, startup and commissioning, factory and site acceptance testing, documentation, automation backups, training, root cause analysis, and continuous improvement. The role is fully on-site and may occasionally support alternate shifts or weekends.

Own production operations and highly available cloud infrastructure for regulated government environments. Lead incident response, root-cause analysis, disaster recovery testing, compliance operationalization, audit readiness, vulnerability management, and continuous monitoring. Build automation, secure CI/CD pipelines, infrastructure-as-code, observability, and compliance tooling across Kubernetes, Linux, containers, and cloud platforms. Partner with security, compliance, and engineering teams to improve reliability, deployment safety, and regulatory sustainment.

Leads reliability engineering for a cloud-based, real-time healthcare platform. Responsibilities include maintaining 99.99% uptime, designing fault-tolerant and self-healing systems, managing AWS and Kubernetes infrastructure, implementing Terraform and observability tooling, leading incident response and disaster recovery, ensuring HIPAA and SOC 2 compliance, and driving scalability strategy while mentoring the SRE team.

Build and maintain front-end features, back-end services, and RESTful APIs for client projects. Write production code, automated tests, and maintainable solutions; debug defects; improve reliability and performance; use Git workflows; participate in Agile ceremonies and code reviews; communicate with engineers, teams, and clients; and gradually own larger tasks while learning new tools and frameworks.

Develop and deliver industrial automation projects, including PLC programming, HMI design, SCADA systems, ancillary equipment integration, control circuit troubleshooting, and project documentation. The role includes collaborating with sales and customers, performing onsite and remote equipment startups, and traveling up to 30% for implementation and commissioning.

Leads the design, development, and implementation of real-time geospatial database content for simulation and training. Applies GIS, 3D modeling, visualization, imagery, elevation, and vector-data expertise while guiding development teams, delegating tasks, managing schedules and budgets, and supporting customer acceptance. The role requires full lifecycle project execution, customer interaction, process definition, technical communication, and compliance with organizational security and data-handling procedures.

Own the end-to-end electrical architecture for autonomous subsea robotic systems, including power systems, embedded electronics, sensors, communications, control interfaces, PCB design, integration, testing, and field validation. Manage requirements, documentation, FMEA, vendors, production quality, and lifecycle improvements. Collaborate across engineering disciplines, mentor junior staff, troubleshoot systems, and support marine testing and equipment mobilization.

Manages and maintains IT systems, networks, workstations, servers, applications, and infrastructure across multiple sites. Provides remote and onsite troubleshooting for Windows, network, operating system, application, Azure, and Active Directory issues. Installs and administers Windows and iOS systems, supports virtualization and cloud environments, and explains technical concepts to nontechnical users. The role requires strong customer service, communication, collaboration, independent judgment, and regular local travel, with occasional overnight travel.