Top Senior Linux Jobs in San Diego, CA

Leads enterprise messaging, directory services, domain administration, identity operations, and service continuity for DHS infrastructure. Oversees Microsoft 365, Exchange, Active Directory, Azure Active Directory, security administration, configuration governance, access controls, monitoring, incident coordination, automation, backups, restoration, and operational documentation. Uses PowerShell to administer and automate authorized activities while coordinating with cybersecurity and engineering teams to maintain enterprise service availability, integrity, and recovery readiness.

The Applications Engineer owns, configures, supports, integrates, and enhances legal practice and AI technology applications. Responsibilities include application administration, access and permissions management, troubleshooting, requirements translation, upgrades, testing, documentation, vendor coordination, governance support, monitoring, and project delivery. The role also advises attorneys and staff on legal AI tool capabilities and appropriate use.

Leads internal and external audits, develops compliance and quality assurance methodologies, manages corrective action and root cause analysis, improves quality management systems, supports document control, and communicates customer and contract requirements. The role requires aerospace regulatory and quality standards expertise, including FAA, ISO 9001, AS9100, and related requirements, along with team mentoring and occasional travel.

Leads the design, implementation, optimization, and troubleshooting of enterprise campus, data center, WAN, wireless, and network security infrastructure. Manages complex incidents, projects, upgrades, standards, documentation, capacity planning, and automation. Participates in on-call and after-hours maintenance, mentors technical staff, collaborates with vendors and internal teams, and provides engineering services to partner institutions. The role also supports network resiliency, compliance, cloud networking, and infrastructure modernization.

Leads Sikich’s on-premises and hybrid infrastructure team across US and offshore offices. Oversees network stability, infrastructure projects, ticket escalation, technical reviews, hybrid connectivity, vendor management, monitoring, and security initiatives. Manages and develops a distributed team while serving as a hands-on technical escalation point. Responsibilities also include physical infrastructure work such as equipment installation, rack and cabling tasks, switch deployment, acquisition integrations, and infrastructure documentation.

Design, build, and own production-grade platform subsystems for Stacklok Enterprise, writing Go software that runs on customer Kubernetes environments. Collaborate with leadership, mentor engineers, support customer onboarding and troubleshooting, contribute to the open-source ToolHive project, and translate customer feedback into product improvements. The role also involves improving engineering workflows through AI-assisted development and owning platform areas from design through ongoing production operations.

Provides application and tactical network systems integration analysis, solution development, testing, documentation, and automation. Acts as liaison among systems engineering, testing, and application teams; develops HACSIM and CANES integration documentation; maintains tactical network mockups; supports lab testing and issue mitigation; and automates repeatable integration processes using PowerShell, Ansible, Git, and Bitbucket. Requires U.S. citizenship, a bachelor's degree, relevant experience, certifications, and an active Secret clearance or higher.

Designs and executes design verification tests for RF and electronic avionics test equipment. Develops automated test solutions, configures RF instrumentation, performs measurements, analyzes failures, troubleshoots hardware-software interactions, documents results, and collaborates with cross-functional engineering teams to resolve issues and improve product quality.

Leads the design, development, testing, deployment, and architecture of enterprise web, mobile, backend, and integration applications. Provides hands-on technical leadership, mentors engineering teams, enforces standards, manages complex initiatives, and ensures scalable, secure, reliable solutions. The role oversees cloud-ready microservices, APIs, SAP integrations, data platforms, CI/CD, and application delivery while coordinating internal teams and contractors.

Manages computer-integrated manufacturing IT and network infrastructure teams. Responsibilities include developing network capacity plans, designing LAN/WAN architecture, analyzing hardware and software systems, supporting front-end processors and transmission systems, ensuring SLA compliance, managing budgets and continuous improvement, and coaching direct reports. The role also influences strategy, maintains institutional knowledge, and collaborates with internal and external stakeholders.