system-administration jobs in San Diego

Senior AIS Analyst role overseeing Navy logistics IT systems, conducting functional analysis, operational research, and audits to support fleet readiness and supply operations. Responsibilities include testing and reviewing logistics applications (NTCSS, NOBLE, Navy ERP, etc.), system administration, user access management, troubleshooting Tier 2 support issues, and supporting data science initiatives involving machine learning and statistical modeling.…See more The role requires managing subordinate AIS analysts, coordinating cross-functional requirements generation and business process reengineering, and ensuring database accuracy and compliance with cybersecurity standards.

This Systems Engineer role manages server and systems infrastructure for a healthcare organization, with responsibility for Windows, Linux, Unix, and other operating systems across all environments. The position involves hardware implementation, OS configuration, data center operations, and day-to-day system integrity while maintaining service-level standards.…See more Key responsibilities include server provisioning, installation, documentation, performance monitoring, and recommending infrastructure tools and platform configurations. The role requires 4+ years of system administration experience and strong expertise in server hardware, multiple operating systems, and infrastructure components.

UC San Diego Health seeks an HR Applications Developer to manage and maintain their ServiceNow HRSD platform, architecting end-to-end HR business process solutions and coordinating with the ServiceNow administrator team. The role requires 9 years of related experience or a Bachelor's degree plus 5 years of experience, with proven expertise in ServiceNow HRSD, web development (HTML/CSS/JavaScript), complex test planning, and software development methodologies (Agile/Lean/Scrum/DevOps).…See more Responsibilities include data integration between ServiceNow and other systems, system stability and compliance oversight, and technical leadership for junior developers. The position is hybrid (3 days onsite, 2 days remote) and offers opportunities to work with SQL, database administration, and workflow design.

This Site Reliability Engineer role focuses on maintaining, securing, and troubleshooting Windows Server 2016, 2019, and 2022 systems in a large-scale enterprise environment supporting the Navy-Marine Corps Intranet. Responsibilities include Windows Server administration, patching, IAVA vulnerability remediation, STIG compliance, and operational support for mission-critical systems.…See more The role requires 2–5 years of IT experience, active Security+ certification, and an active Secret security clearance, with work performed at the customer location on unclassified or classified systems.

Senior Software Engineer leading integrations of third-party SDKs, APIs, and payloads into Firestorm OS, a Linux-based software platform for modular autonomous aircraft. You will own end-to-end integration of external systems from partners and government, work across avionics and autonomy stacks, develop integration tools, debug distributed systems, and ensure production-ready implementations.…See more Requires 5+ years of C++ software engineering, deep Linux expertise, networking knowledge, and experience integrating complex systems through APIs and SDKs.

The Database Sustainment Specialist (DSS) maintains and supports the DMLSS-FM facility management system at a military medical treatment facility. Responsibilities include creating and maintaining preventive maintenance schedules, coordinating work request closeouts, managing user roles and system access, maintaining accurate contact directories, and providing training and support to facility management and medical staff.…See more The role requires strong proficiency with Microsoft Office (Word, Excel, Outlook), attention to detail, and customer service orientation, with database management experience preferred.

BAE Systems seeks a Platform DevSecOps Engineer to lead infrastructure and deployment initiatives for a defense/government software team. The role involves designing and maintaining on-premises infrastructure, developing CI/CD pipelines, automating provisioning and configuration management, implementing security measures, and troubleshooting production incidents.…See more The candidate must have proven DevSecOps experience, hands-on expertise with containerization (Kubernetes, Docker), automation tools (Ansible, Puppet, Chef), scripting (Python, Bash, PowerShell), CI/CD platforms (GitLab), monitoring frameworks, and Linux system administration, while working in a hybrid environment within a fast-paced, dynamic team.

Senior Linux System Administrator role supporting a large DOD program, responsible for installing, configuring, and maintaining LAN/WAN and Internet systems. Will monitor network availability, perform maintenance, assist in network modeling and analysis, and administer network security measures.…See more Requires 4+ years of experience with a Bachelor's degree (or equivalent), strong Linux expertise, and Security+ certification.

Senior Systems Engineer responsible for planning and implementing security patches across enterprise Linux and Windows server environments in AWS, Azure, and hybrid infrastructure. Design and operate automation platforms (AWS Systems Manager, Ansible, SCCM/Intune) to scale vulnerability management and remediation across cloud and on-premises fleets.…See more Partner with security, infrastructure, network, and compliance teams on patch testing, deployment sequencing, rollback procedures, and audit-ready documentation in a regulated (GxP/SOX/21 CFR Part 11) environment.

This is a DevSecOps Engineer role requiring hands-on expertise in cloud infrastructure, containerization, and CI/CD automation for a classified government project. The role demands proficiency with AWS, Kubernetes, Docker, scripting (Python, Bash, PowerShell), infrastructure-as-code tools (Ansible, Puppet, Chef), and Linux system administration.…See more The candidate must be able to obtain or hold a TS/SCI security clearance and will work on air-gapped and on-premises environments alongside cloud services.

This role supports cybersecurity engineering and infrastructure security for enterprise, cloud, and classified environments. The engineer will manage vulnerability assessment, system hardening, patching, secure configuration, and DevSecOps pipeline integration across Linux and Windows Server platforms.…See more Responsibilities include compliance support (RMF, ATO, NIST SP 800-53, DISA STIGs), CI/CD security automation, containerized environment hardening, and infrastructure-as-code implementation. Strong technical depth in cloud platforms (AWS/AWS GovCloud), container orchestration, security tooling, and the ability to communicate complex technical and compliance issues to engineering and mission stakeholders are required.

Senior Operations Analyst responsible for supporting and administering MyPoint's Jack Henry Symitar core processing environment. Duties include monitoring daily/monthly/quarterly/year-end processing, maintaining system parameters and security controls, troubleshooting complex integration and core system issues, designing and optimizing automated jobs and workflows, and supporting SymXchange integrations with third-party applications.…See more Requires 5+ years of technical experience with Symitar, Jack Henry products (ImageCenter, Synergy, Banno), web services, APIs, and PowerFrame Docs; a bachelor's degree in IT/CS or equivalent is required.

Lead a platform DevSecOps team at BAE Systems, designing and maintaining on-premises infrastructure with a focus on security, scalability, and reliability. You will develop CI/CD pipelines, automate infrastructure provisioning using tools like Ansible or Puppet, implement security best practices, and troubleshoot production incidents.…See more The role requires hands-on expertise in containerization (Kubernetes, Docker), scripting (Python, Bash, PowerShell), monitoring, and Linux administration, with the ability to bridge development and operations in a fast-paced, hybrid environment.

BAE Systems seeks a Platform DevSecOps Engineer to lead infrastructure teams designing, implementing, and maintaining on-premises systems with focus on security, scalability, and reliability. The role centers on developing CI/CD pipelines, automating infrastructure provisioning using tools like Ansible, Puppet, or Chef, and implementing security best practices across cloud and air-gapped environments.…See more The engineer will troubleshoot production incidents, monitor system performance, and stay current with DevSecOps practices. Requires proven DevSecOps experience, ability to obtain TS/SCI clearance, hands-on Kubernetes/Docker containerization, scripting in Python/Bash/PowerShell, and Linux/Unix administration.

The Information System Security Officer (ISSO) serves as a steward of classified and high-side information systems, ensuring security compliance and operational resilience in accordance with DoD and DCSA standards. The role involves executing Risk Management Framework (RMF) activities, pursuing Authorization to Operate (ATO) via eMASS, conducting vulnerability scanning with tools like Nessus, and maintaining compliance with NISP and federal requirements.…See more Responsibilities include hands-on system administration, security monitoring, patch management, data transfer operations, and collaborative work with industrial security teams to integrate technical and administrative controls. Success requires proven experience processing ATO packages, system administration skills, security compliance knowledge, and the ability to balance rigorous security controls with operational effectiveness.

This role provides hands-on technical support to the Global Command and Control Systems – Maritime (GCCS-M) Product Support Team, resolving complex help desk tickets, conducting rapid-response troubleshooting on USS Naval Vessels, and leading installations of GCCS-M baselines to the Fleet. You will administer diverse C4I environments (RHEL/Unix/Linux/Windows), manage casualty reports in Helix, and travel 25–40% to CONUS and OCONUS locations for on-site system configuration and maintenance.…See more Experience with Linux, Windows Server, VMware virtualization, network administration, and C4I systems (including Link 11 and related peripherals) is expected. You must hold an active Secret clearance and CompTIA Security+ certification.

The Senior Automated Information System Analyst (SAISA) will provide IT systems support, troubleshooting, and technical training for Naval Forces Logistics systems (R-Supply, OMMS-NG, NALCOMIS) across U.S. Navy ships and shore commands.…See more Responsibilities include NTCSS System Administrator duties, life cycle management for hardware/software, operator training, and Navy/Marine Corps Intranet (NMCI) support. The role requires extensive Linux command knowledge, experience troubleshooting Force Level NTCSS systems, and CompTIA Security+ certification with ongoing continuing education enrollment.