Top Linux Jobs in San Diego, CA

Design, develop, test, document, and support embedded system emulation solutions using QEMU. Analyze system performance, stability, scalability, and resource efficiency; conduct integration testing and troubleshooting; refine requirements with cross-functional teams; and provide technical support to internal and external engineers. The role also involves maintaining QEMU expertise, supporting customer deployments and demonstrations, authoring technical documentation, and traveling up to 20% to client sites and conferences.

Build and maintain full-stack behavioral health technology features and services. Responsibilities include translating team goals into technical plans, designing APIs and services, evaluating technical tradeoffs, identifying risks, contributing to architecture, collaborating with product and QA, mentoring junior engineers, and improving testing and engineering practices. The role requires C#, TypeScript, .NET, modern frontend frameworks, databases, CI/CD, Docker, Kubernetes, and automated testing experience.

Provides Tier 3 support and expert engineering for VMware ESXi clusters, hosts, and vSAN infrastructure across on-premises and cloud environments. Maintains hardware and software, supports continuity of operations, evaluates technology gaps, develops cybersecurity operations strategies, participates in mission-partner working groups, and ensures compliance with DoD STIGs, DISA orders, and JSIG policies.

The Professor of Aeronautical Sciences will lead externally funded research in Advanced Air Mobility and Unmanned Aircraft Systems, teach aeronautical and UAS courses, mentor students, and collaborate with FAA, NASA, DoD, industry, and academic partners. Responsibilities include developing research programs, publishing findings, pursuing grants, supporting curriculum development, participating in university and professional service, and contributing to UAS safety, policy, operations, autonomy, and airspace integration initiatives through ASSURE.

Develop and support complex software applications across the full development lifecycle, including analysis, architecture, coding, testing, integration, implementation, documentation, and production support. Build backend services and APIs, frontend applications, database integrations, and CI/CD pipelines. Provide technical leadership, estimate and coordinate projects, create test plans, optimize performance, and ensure reliable system availability and smooth deployments.

Develop and maintain embedded Linux and backend software for airborne mission systems. Responsibilities include device drivers, sensor and payload interfaces, control software, real-time data handling, APIs, deployment, integration testing, and troubleshooting on target hardware. The role collaborates with hardware engineers on system interfaces and supports fielded software. Required experience includes embedded or systems software, C++ and Python, hardware integration, real-time debugging, and field delivery.

Provides senior network engineering support for global classified and unclassified DoD WAN infrastructure. Designs, configures, tests, troubleshoots, modernizes, and sustains routers, switches, firewalls, cloud connectivity, and enterprise network services. Supports DISN circuits, applies DISA STIGs, develops implementation and rollback plans, performs Tier III/IV incident resolution, and provides on-call support. The role requires onsite work in Pearl Harbor, Hawaii, up to 40% travel, U.S. citizenship, and a qualifying DoD security clearance.

The Salesforce QA Engineer designs and executes manual and automated testing for Government Cloud, Service Cloud, and Experience Cloud implementations. Responsibilities include functional, regression, integration, API, UAT, and end-to-end testing; validating Salesforce configurations, Apex, Flows, security, integrations, data migrations, and deployments; managing defects; supporting CI/CD and release readiness; maintaining QA documentation; and collaborating with technical teams and clients in Agile, regulated environments.

Two-year graduate role rotating across Arriva’s Digital & Technology function. The graduate will support digital solutions, technology, data, innovation, transformation, continuous improvement, and project initiatives that improve operational performance, customer experience, and decision-making. The programme includes mentoring, senior-leader exposure, and learning in digital transformation, analytics, cloud technologies, and project management. The role is hybrid in Sunderland or London, requiring at least three office days weekly.

Leads full life-cycle enterprise software development, including application architecture, coding, testing, implementation, documentation, and production support. Guides software engineers, establishes development standards, collaborates with product owners and business leaders, and develops application roadmaps. Requires expertise in C# .NET, JavaScript, SQL, Visual Studio, mobile development, cloud platforms, containerization, and microservices. The role includes mentoring developers, managing complex projects, and traveling up to 10% of the time.