Top Linux Jobs in San Diego, CA

Designs, develops, modernizes, and supports business-critical applications using C# and .NET. Builds APIs, backend services, and integrations; modernizes legacy systems; troubleshoots production issues; participates in on-call support, incident response, code reviews, and CI/CD practices. Partners with business and engineering stakeholders, mentors junior engineers, and improves software delivery and operational reliability.

Leads the rapid prototyping, integration, testing, flight demonstration, and low-rate production of autonomous uncrewed launched-effects platforms. Integrates AI, sensors, payloads, networking, and navigation systems while managing vendor technical baselines, schedules, risks, anomalies, acquisition packages, and technical briefings. The role requires hands-on systems engineering leadership across government and industry partners, with emphasis on rapid defense acquisition, open architectures, and operationally relevant flight testing.

Leads enterprise IT architecture by defining standards, principles, roadmaps, and governance. Provides technical leadership across applications, infrastructure, cloud, data, integration, security, and emerging technologies. Evaluates technology solutions for scalability, interoperability, security, and sustainability; develops architectural documentation; supports modernization and major initiatives; and partners with business systems leaders on strategic decisions.

Administer and support SharePoint Online and on-premises environments, execute tenant-to-tenant migrations, and design enterprise SharePoint, Power Platform, SPFx, .NET, and C# solutions. The role modernizes legacy applications, troubleshoots complex production issues, provides advanced technical support, and maintains governance, security, documentation, testing, deployment, and change-management standards while collaborating with business and technical teams.

Leads enterprise endpoint engineering for more than 12,000 devices across multiple operating systems. Administers Intune, VDI, Autopilot, endpoint security, patching, application deployment, identity policies, and automation. Oversees endpoint health, compliance, and lifecycle management while partnering across infrastructure, security, and business teams. Provides technical leadership, mentors junior engineers, supports strategic initiatives, documents procedures, and manages high-priority escalations.

Develops, scales, and improves food manufacturing processes from product development through factory launch. The role leads technical trials, process optimization, Lean Six Sigma initiatives, statistical analysis, equipment commissioning, root-cause investigations, and continuous improvement. It provides hands-on manufacturing support, ensures safety and quality compliance, develops process standards, and collaborates with R&D, engineering, operations, quality, suppliers, and other stakeholders.

Designs, implements, secures, and maintains high-availability enterprise networks supporting mission-critical systems in a FISMA High environment. Responsibilities include managing Cisco and Extreme Layer 3/4 switches, 10 Gb uplinks, routing, VLANs, access controls, monitoring, troubleshooting, compliance with NIST and RMF standards, configuration documentation, incident response, and root-cause analysis.

Supports multidisciplinary design, specification, procurement, and construction of mechanical systems and equipment for power generation and industrial facilities. Responsibilities include preparing equipment specifications and technical packages, reviewing vendor documentation, coordinating with engineering disciplines, developing calculations and design deliverables, and conducting site visits. The role requires interpreting technical documentation, supporting project objectives, and working safely in construction and industrial environments.

Designs, develops, tests, and verifies complex mechanical, electrical, and software systems for nuclear reactor and facility projects. Responsibilities include systems engineering, requirements development and traceability, configuration management, technical documentation, risk and reliability modeling, digital engineering, AI-assisted design reviews, systems architecture, control system concepts, and multidisciplinary coordination. The role also authors engineering specifications, supports regulatory compliance, mentors junior staff, and serves as a technical authority across projects.

Design, develop, test, operate, and maintain iOS applications and mobile SDKs. Write production-ready, testable code, ensure scalability, reliability, and security. Troubleshoot issues across mobile and backend, perform code reviews, and work within agile and DevOps practices to support high-scale production systems.