Top Senior Linux Jobs in San Diego, CA

Oversees and optimizes Linux, Windows, SCADA, and Energy Management System infrastructure within an operational technology network. Leads patch management, system upgrades, lifecycle planning, cybersecurity, and NERC/Regional Reliability Standards compliance for the System Control Center. Supports critical control center applications, servers, workstations, networks, and peripherals while coordinating with IT and Compliance teams. Coaches system administrators and resolves complex infrastructure and security issues.

Develop and modernize county permitting applications by migrating legacy systems to .NET and Oracle platforms. Build C# MVC applications, JavaScript interfaces, Oracle database solutions, SSIS ETL packages, SSRS reports, and secure REST/SOAP integrations. Implement workflow automation, online submissions, invoicing, payments, and ECM integration while maintaining data integrity and regulatory compliance. Collaborate with county analysts, business users, vendors, and cross-functional teams in a hybrid Miami-area environment.

Build, deploy, maintain, and monitor highly scalable backend applications and distributed systems. Write performant, secure, fault-tolerant code; review peers’ work; evaluate technologies; develop automated tests; improve observability and availability; manage technical debt; and collaborate across teams to deliver reliable customer-facing platform features.

Develop and optimize process models and techno-economic analyses for direct air capture demo and production facilities. Translate Aspen models into equipment sizing, cost estimates, process documentation, and vendor-ready specifications. Refine heat and mass balances, evaluate operating scenarios, support equipment selection, and identify energy, capital, and operating cost reductions. Collaborate with engineering, R&D, project management, vendors, and external design firms while presenting technical and financial findings to leadership, investors, and stakeholders.

Design, develop, and maintain scalable full-stack web applications using TypeScript, Java, Node.js, HTML, CSS, and MS SQL in a microservices environment. Build AI-powered applications with LLMs, RAG pipelines, GenAI agents, vector databases, and AI services. Optimize performance, implement responsive user interfaces, troubleshoot systems, participate in code reviews, and collaborate with AI/ML engineers and cross-functional teams in a remote setting.

Develop mechanical concepts and complete SolidWorks design packages for custom industrial automation systems. Responsibilities include component selection, detailed drawings, bills of materials, supplier coordination, design reviews, customer collaboration, troubleshooting build issues, estimating design effort and purchases, and supporting manufacturability improvements. The role also mentors junior designers, contributes to design standards, and coordinates with applications, controls, manufacturing, project management, and customers.

Leads electrical engineering design and project management for federal, ports, healthcare, education, and infrastructure projects. Responsibilities include field surveys, electrical calculations, power and infrastructure design, QA/QC, multidisciplinary coordination, construction administration, proposal support, client communication, and mentoring junior engineers. The role requires managing medium to large projects and supporting future leadership as a Design Principal.

Designs, implements, and governs scalable, secure enterprise infrastructure across cloud and on-premises environments. Develops technology roadmaps, automation, disaster recovery, virtualization, storage, and end-user computing strategies. Serves as an infrastructure architecture subject matter expert, leads cross-functional initiatives, resolves complex issues, performs root-cause analysis, ensures regulatory and security compliance, evaluates vendors, optimizes costs, and mentors technical staff.

Develop and support cloud-native software for investment management research, reporting, analytics, risk management, and portfolio operations. Build ETL pipelines, scalable microservices, data applications, and message-driven systems using Python, AWS, Java, and relational databases. Collaborate with product owners, technical leads, architects, business partners, and vendors in an Agile environment. Automate manual processes, create data-driven solutions, document architecture, and provide on-call support.

Leads electronic services staff and oversees engineering, installation, maintenance, troubleshooting, and operation of broadcast, audiovisual, conferencing, cable television, digital media, and communications systems. Manages technology development, AutoCAD documentation, quality control, resources, budgets, personnel, logistics, procurement support, event production, and repair records while providing technical support for broadcasts, webinars, training sessions, and conferences.