Top Linux Jobs in San Diego, CA

Owns the reliability, security, and performance of on-premises, virtualized, and cloud infrastructure. Responsibilities include administering Windows and Linux servers, managing virtualization and identity platforms, maintaining backup and disaster recovery plans, monitoring systems, automating infrastructure tasks, supporting vulnerability remediation, leading migrations and upgrades, documenting systems, mentoring administrators, and serving as the senior escalation point during incidents and maintenance windows.

Designs, deploys, and maintains scalable, secure AWS infrastructure for customer projects, including migrations, landing zones, containerized applications, serverless systems, and infrastructure as code. Builds CI/CD automation, monitoring, logging, disaster recovery, and security controls; optimizes cost and performance; troubleshoots Linux, Windows, Kubernetes, and AWS environments; documents solutions; and communicates with clients and cross-functional teams throughout delivery engagements.

Leads customer integration, deployment, validation, troubleshooting, and technical support for LiDAR sensing systems. Serves as the technical liaison among customers, business development, product management, and engineering teams. Configures and validates hardware, firmware, software, SDKs, networking, and computing platforms; leads field testing and root-cause investigations; analyzes sensor data and logs; and develops technical documentation and recommendations. The role requires hands-on systems expertise, customer-facing communication, and up to 20% domestic and international travel.

Manage, maintain, secure, and optimize LAN, WAN, wireless, and hybrid network infrastructure. Configure routers, switches, firewalls, VPNs, IDS/IPS, servers, and network services; monitor performance; troubleshoot incidents; perform vulnerability assessments; apply patches; manage access controls; maintain documentation and backups; support compliance, audits, and reporting; and collaborate with IT teams, vendors, and users.

Design, build, and maintain enterprise payment services and APIs using C# and .NET. Integrate processors, gateways, banks, wallets, and alternative payment providers across POS, e-commerce, mobile, and other channels. Implement payment flows, routing, retries, failover, and transaction functionality. Monitor production systems, troubleshoot incidents, improve reliability and performance, and contribute to observability. Collaborate with Product and Architecture teams using Agile development practices.

Work on front-end and back-end web projects: create and redesign websites, build sitemaps and wireframes, collaborate with teams, and focus on UI/UX and performant back-end functionality.

Support software development across frontend, backend, web, and mobile applications. Responsibilities include developing with WordPress, React, Next.js, Flutter, and Java; testing and maintaining applications; participating in code reviews; collaborating with teammates; and staying current with software development technologies.

Develop and maintain PHP-based web applications, including new custom applications and modifications to existing systems. Responsibilities include designing, testing, production support, SQL query analysis, version control, RESTful services, database integration, documentation, and collaboration with management and operations. The role requires PHP and web development proficiency, familiarity with multiple databases, strong communication, analytical and problem-solving skills, and a bachelor's degree in a relevant field.

Technology Intern supporting software development through object-oriented coding, unit testing, SQL and database work, debugging, troubleshooting, and collaboration with developers. The intern will learn modern development tools and technologies while contributing to application solutions. The 12-week summer internship requires 40 hours per week and is intended for students pursuing a bachelor's degree in computer science, information technology, or an equivalent field.

Design, develop, test, and deploy scalable full-stack solutions across the lifecycle. Collaborate in Agile teams, use cloud platforms and CI/CD, mentor teammates, engage directly with clients, and apply modern development and DevOps practices.