System Administrator

• Work with systems supporting the design, provisioning, installation, and configuration of hardware and software under the Shift Supervisor
• Provide instruction and perform complex administration of applications, Microsoft technologies, and server, storage, and backup systems
• Troubleshoot and configure Windows Active Directory, Group Policy, Microsoft DNS and DHCP, enterprise patching, file services, and print services
• Document and track support activities in a ticket system, including time recording, issue identification, resolution steps, and follow-up communication
• Escalate issues to supervisors or appropriate technical teams and advise on next steps for break/fix tickets
• Install new and rebuild existing servers; configure hardware, peripherals, and services according to standards and project requirements
• Perform installations, integrations, configuration, upgrades, troubleshooting, and performance tuning of software technologies from multiple vendors
• Partner with the Shift Supervisor and business management to ensure operational success
• Troubleshoot and configure moderately complex to complex servers and applications across IaaS, PaaS, and SaaS compute
• Author, interpret, and maintain system documentation
• Lead and participate as a technical resource in root cause analysis, troubleshooting, and issue resolution
• Follow Knowledge Base processes and procedures for Quest and clients
• Follow security protocols, including user authentication, data encryption, access controls, and incident reporting
• Perform other duties as assigned

• Administer Microsoft 365 services including Exchange Online, SharePoint, OneDrive, Teams, Intune, Defender, Purview, or related services
• Implement applications and software upgrades and troubleshoot performance issues
• Maintain IT infrastructure including operating systems, security tools, applications, servers, routers, switches, firewalls, devices, email systems, internet, intranet, LAN, WAN, network segments, software, and hardware
• Own endpoint management including device configuration, patching, application deployment, and policy enforcement
• Perform routine and scheduled audits of all systems, including backups
• Analyze staff needs, identify vulnerabilities, and implement solutions that improve IT outcomes
• Assist the help desk and other teams with troubleshooting, root-cause analysis, and technical support
• Perform server administration tasks including users/groups, security permissions, group policies, and print services
• Research event-log warnings and errors and monitor resources to ensure systems architecture components work together seamlessly
• Monitor data-center health and respond to hardware issues; help build, test, and maintain new servers
• Execute systems and network design, documentation, implementation, testing, and administration
• Implement and maintain identity and access management solutions including Entra ID, Conditional Access, Multi-Factor Authentication, Privileged Access, and RBAC
• Deliver Microsoft 365 and infrastructure projects on time and within scope
• Maintain supported-service availability, resolve or escalate assigned issues, reduce recurring support issues, and complete solution documentation and handoffs
• Deliver automation, configuration, process improvements, reusable runbooks, guides, templates, and knowledge-base articles
• Provide knowledge transfer for major solutions and remediate or coordinate high-priority security, compliance, and endpoint findings

• Administer Okta lifecycle management, including SSO, SAML/OIDC/SCIM, MFA, and conditional access
• Enforce least-privilege access
• Manage RBAC policies and identity resources as code using Terraform and CI/CD pipelines
• Lead access certifications and remediation with Security for SOC 2 and ISO 27001 compliance
• Manage the macOS fleet via JAMF Pro, including zero-touch deployment, patch management, and security compliance
• Deploy and maintain SentinelOne agents
• Triage alerts, enforce ransomware protection, and handle threat remediation
• Administer Google Workspace, including user lifecycle, DLP, Vault, and security policies
• Integrate Google Workspace with core identity and endpoint tools
• Provide Tier 2/3 escalation support
• Drive IT automation through scripting and APIs
• Manage hardware and SaaS inventories
• Support Abby Care operations across multiple states and offshore teams
• Report directly to the Director of IT, Information & Security
• Shape the compliance foundation and tooling stack as the company scales

Senior IT Systems Administrator

• Administer, configure, and maintain the LIMS platform, including upgrades, troubleshooting, and performance optimization
• Collaborate with QC analysts, IT, and QA to ensure LIMS and associated systems comply with GxP, GMP, and FDA regulations
• Configure and manage master data, workflows, and user accounts within LIMS
• Support laboratory staff with LIMS- and instrument-software-related issues; provide training and guidance to end users
• Integrate LIMS with laboratory instrumentation and QC software such as Chromeleon and Empower
• Develop, review, and maintain documentation, including URS, OQ, PQ, SOPs, policies, and protocols
• Participate in system validation, change control, and audit readiness activities
• Create and manage reporting formats, queries, and data analysis tools using SQL and custom reports
• Conduct periodic audits and reviews to identify issues, ensure compliance, and recommend improvements
• Monitor equipment/software performance, coordinate calibrations and preventive maintenance, and support resolution of system-related issues
• Benchmark best practices, identify trends, and contribute to continuous improvement of laboratory data management systems

Quality Control System Administrator

• Administer, configure, and maintain the Workday HCM system
• Ensure the system operates efficiently and supports HR processes
• Ensure the system meets organizational needs
• Collaborate with HR, IT, and other departments to provide technical support
• Drive system enhancements

HR Systems Administrator

• Provide engineering solutions for various and unique problem sets and customers in a government software hosting facility
• Deploy and maintain physical and virtual hardware infrastructure, including virtual machines and containers
• Perform routine maintenance and configuration changes to physical and virtual hosts
• Install, configure, and troubleshoot hardware and software on servers, workstations, and IT equipment
• Maintain system backups and disaster recovery plans
• Manage user accounts and permissions
• Deploy and maintain software applications
• Troubleshoot technical issues
• Maintain knowledge base, incident response, system configuration, and other system administration documentation
• Provide technical support and best-practice guidance to customers
• Secure information systems and applications according to current DoD guidance
• Maintain configuration and security posture through continuous monitoring and security event reporting
• Participate in project planning using Agile methodology
• Provide networking support for on-premises infrastructure

Senior Systems Administrator

• Oversee system integration, hardware and software installation, configuration, and disposition of servers, storage, and workstations
• Provide complex problem resolution, root cause analysis, and technical support for delivery systems
• Participate in the design, validation, and configuration management of computing delivery systems
• Administer user system access and establish safeguards to protect information according to security policies
• Monitor and optimize system performance, high availability, reliability, backup, disaster recovery, security, and RMF conformance
• Plan and coordinate system changes
• Collaborate with teams to integrate services and enhance system capabilities and operational efficiency
• Collaborate with cross-functional teams to support program objectives in an Agile framework
• Mentor, lead, and train others
• Develop skills in Linux and cloud technologies through on-the-job training, self-study, and hands-on learning

Senior System Administrator

• Oversee system integration, hardware and software installation, configuration, and disposition of servers, storage, and workstations
• Provide complex problem resolution, root cause analysis, and technical support for delivery systems
• Participate in the design, validation, and configuration management of computing delivery systems
• Administer user system access and establish safeguards to protect information according to security policies
• Monitor and optimize system performance, high availability, reliability, backup, disaster recovery planning, security, and RMF conformance
• Plan and coordinate system changes
• Collaborate with teams to integrate services and enhance system capabilities and operational efficiency
• Develop skills in Linux and cloud technologies through training and hands-on learning
• Collaborate with cross-functional teams to support program objectives in an Agile framework
• Mentor, lead, and train others

• Administer, configure, and maintain enterprise physical security systems, focusing on Lenel Access Control and Avigilon CCTV platforms
• Program and configure new security devices, system expansions, upgrades, and Day 2 operational enhancements
• Monitor system health, optimize availability, and proactively resolve physical security infrastructure issues
• Perform advanced troubleshooting, root cause analysis, system backups, firmware updates, log reviews, and preventative maintenance
• Manage and prioritize service requests and break-fix incidents, ensuring timely resolution, documentation, and operational visibility
• Configure access control systems, manage load sheets, perform programming, and maintain system configurations
• Coordinate with internal teams, vendors, installers, and site stakeholders on maintenance, service requests, and site access
• Support testing and commissioning, including pre-test validation, T&C reporting, punch list management, and system acceptance
• Maintain system documentation, service metrics, trackers, and reporting
• Partner with global security technology teams to improve performance, standardize configurations, and support enterprise security initiatives

Security Systems Administrator

• Provide end-user desktop support for systems and applications locally and across the classified WAN
• Perform routine system updates, patching, and hardening to reduce vulnerabilities and maintain compliance with applicable standards
• Partner with program engineering teams to understand requirements and deliver IT solutions aligned with program needs and schedules
• Communicate technical issues, risks, and recommendations to management and non-technical stakeholders
• Support classified Windows desktop systems and essential applications
• Perform system administration, network management, project coordination, and desktop/software support

System Administrator jobs in California