Top Senior Linux Jobs in San Diego, CA

Provides Tier 2/3 administration and troubleshooting for UNIX and Windows workstations, servers, storage, networks, databases, and related infrastructure. Installs and upgrades operating systems and applications, manages patches, backups, recovery plans, system security, STIG compliance, and data center equipment. Resolves hardware and software issues, maintains system availability and procedures, coordinates maintenance windows, supports users, and provides on-call support for an intelligence customer.

Designs and maintains Azure cloud infrastructure, reusable Terraform IaC modules, no-code deployment packages, and CI/CD pipelines. Develops automated infrastructure tests with Go and TerraTest, troubleshoots deployments, and improves automation reliability. Collaborates with architects, analysts, and engineering teams to implement standardized solutions. Uses AI tools such as Claude, documents work in JIRA and Confluence, supports client goals, and mentors colleagues.

Designs and delivers .NET application features, REST APIs, integrations, and modernization refactoring for Azure-hosted platforms. Responsibilities include EF Core and SQL optimization, code reviews, CI/CD improvements, resiliency support, secure coding, QA collaboration, technical backlog development, and mentoring engineers. The role modernizes legacy monolithic systems into scalable, observable, service-oriented solutions while contributing to architecture and technical product ownership.

Develops and supports Azure integration solutions using Logic Apps, Azure Functions, API Management, Event Grid, and Service Bus. Writes C#/.NET code, builds REST and SOAP integrations, manages Azure SQL and storage, and defines infrastructure with Terraform. Implements CI/CD, monitoring, diagnostics, retries, idempotency, and secure access controls. Collaborates with stakeholders on technical designs, documents solutions, and troubleshoots production systems.

Supports business applications, systems infrastructure, and technology processes by gathering requirements, designing solutions, managing development through production environments, and coordinating with business stakeholders and vendors. Installs, configures, tests, monitors, and maintains systems; develops documentation, testing, disaster recovery, and performance assessment plans; provides technical recommendations and training; and manages assigned projects. Requires schedule flexibility, occasional after-hours work, and up to 10% travel.

Leads integration testing across an autonomous vehicle software stack, coordinating deliveries, maintaining integration branches, and managing CI/CD pipelines. Designs simulation campaigns, conducts on-vehicle validation, tracks system performance metrics, diagnoses regressions, and coordinates root-cause resolution across perception, planning, and controls teams. The role also contributes software fixes and communicates system health through engineering reports. This is a hybrid Ann Arbor position with travel up to 25%.

Lead the architecture, deployment, administration, automation, and sustainment of Red Hat OpenShift platforms supporting classified Department of Defense environments. Responsibilities include managing highly available clusters, virtualization, Kubernetes workloads, Linux systems, Ansible automation, infrastructure as code, networking, storage, security controls, documentation, troubleshooting, and platform modernization. The role requires collaboration with cybersecurity and infrastructure teams and an active TS/SCI clearance.

Provides on-site IT leadership for a regulated manufacturing facility, supporting infrastructure, laboratory systems, enterprise applications, and IT/OT environments. Responsibilities include troubleshooting, root cause analysis, infrastructure reliability and security, vendor and stakeholder coordination, application custodianship, validation and change control, and leading multiple technology projects. The role requires networking, firewalls, virtualization, Windows Server, monitoring, IT service management, and manufacturing systems knowledge, with occasional on-call support.

Designs and modifies production equipment, coordinates overhauls and rebuilds, oversees preventive maintenance, supports capital projects, and collaborates with maintenance teams and contractors. The role focuses on improving production, quality, yield, equipment reliability, and cost efficiency while maintaining regulatory and safety compliance. It also coordinates bargaining-unit employees and participates in environmental, safety, energy, quality, and automotive manufacturing standards programs.

Senior UI Engineer responsible for building accessible, high-performance React applications and scalable front-end architecture for a pharmacy management platform. The role includes developing design-system components, defining API contracts, leading testing and code reviews, improving performance and accessibility, mentoring engineers, partnering with product and design, and using AI development tools responsibly. Candidates need strong React, TypeScript, CSS, REST API, Node.js, and PostgreSQL experience, plus end-to-end project ownership and cross-functional leadership.