System Administrator

• Support government accounts due to federal export-control regulations
• Provide advanced system administration and lab operations support for hardware, network, and software environments used by HPE HPC & AI Performance Engineering teams
• Serve as a senior technical contributor and lab expert, providing design guidance, operational leadership, and escalation-level troubleshooting across complex HPC and AI lab environments
• Collaborate with AI benchmarking, R&D, and performance engineering teams to design and operate lab environments that meet internal, partner, and customer requirements
• Install, configure, and support job scheduling and resource management tools to maximize lab utilization.

HPC AI Systems Administrator

• Managing and maintaining the company’s IT infrastructure ensuring optimal performance, security, and availability of systems and networks
• Advanced troubleshooting, system upgrades, and implementation of new technologies to support business operations
• Monitors, maintains, and supports servers, and other IT infrastructure components to ensure high availability and performance
• Diagnoses and resolves complex hardware, software, and network issues in a timely manner
• Assists in setting up security measures, including antivirus solutions, to protect company data and IT infrastructure
• Plans and executes system upgrades, patches, and installations to keep the IT environment up-to-date and secure
• Manages backup and disaster recovery solutions to ensure data integrity and availability
• Maintains detailed documentation of system configurations, procedures, and troubleshooting steps
• Provides advanced technical support to end-users and assists with IT-related inquiries and issues
• Leads or participates in IT related projects, including the deployment of new technologies and systems

Systems Administrator

• Monitor server performance and availability.
• Performance-tune database systems.
• Install, configure, and maintain Linux-based systems and database applications.
• Troubleshoot issues and analyze system logs.
• Keep hardware and software updated.
• Set up cybersecurity measures.
• Ensure data security, access control, backup, and recovery procedures.
• Configure servers and databases.
• Manage and maintain production and non-production databases.
• Extract and/or load data.
• Design, test, implement, and maintain databases across multiple platforms.
• Preserve data integrity.
• Optimize database access and allocate/reallocate resources for performance.
• Develop and implement backup and recovery strategies.
• Configure database parameters and handle backup/recovery.
• Work with application developers, technical managers, and business analysts.
• Collaborate with team members to build new systems and services.
• Fix outstanding issues promptly.
• Develop new solutions to improve system efficiency.

Linux, Database Administrator

• Provide advanced desktop support and hands-on troubleshooting for end-user computing environments
• Apply mid- to senior-level expertise to diagnose complex issues
• Support hardware and software lifecycles
• Maintain a high-quality user experience across the organization
• Resolve escalated service desk tickets
• Perform workstation deployments and configurations
• Support operating system and application updates
• Troubleshoot Windows and Citrix issues
• Configure and maintain endpoint security tools
• Contribute to process improvements and assist with inventory accuracy

Senior Systems Administrator – Desktop

• Assist with Mac and PC laptop provisioning, imaging, configuration, and user-ready delivery
• Support patch management and software deployment across macOS (Jamf) and Windows (Intune)
• Provision and deprovision user accounts across Google Workspace, Azure/Entra ID, and OneLogin
• Manage group memberships, MFA enrollment, and basic SSO application access
• Support day-to-day administration of Google Workspace and Microsoft Azure
• Help maintain IT documentation and evidence for audits and compliance reviews
• Provide responsive technical support for staff across global locations and time zones
• Manage and resolve tickets in Jira with clear communication

• Serve as a senior member of a team of experienced systems administrators at NASA Ames and the NASA/FAA North Texas Research Station (NTX)
• Work with other senior systems administrators to integrate operations at NASA Ames and NTX
• Perform IT security plan management, administration, and compliance
• Assist other senior systems administrators in responding to security audits
• Develop and update documentation of system, network, and security environments as needed
• Work closely with NASA customers and support contractors to ensure that ARTS IT infrastructure is fully compliant with security requirements and ready to support end-user needs
• Perform troubleshooting and resolution, user support, planning and implementation of software and hardware upgrades, regular backups of systems, restoration as required, development and deployment of new capabilities, implementation of NASA IT security policy, and interface to external organizations and laboratories for networking, VPN provision, and data exchange

Senior IT Systems Administrator

• Administer and maintain Windows and Linux server environments, including virtual machines (VMware/Hyper-V) and cloud resources (Azure, AWS)
• Manage server provisioning, capacity planning, storage allocation, and decommissioning
• Own backup and disaster recovery processes, including regular validation and testing
• Monitor system health, performance, and availability; resolve issues before they become outages
• Manage and troubleshoot LAN/WAN, Wi-Fi, VPN (Cisco AnyConnect), DNS, DHCP, and switching infrastructure
• Support multi-site connectivity between Fremont, Seattle, and international offices
• Handle network access requests, VPN setup, and connectivity issues as an escalation point from the helpdesk
• Maintain and document network topology, configurations, and access controls
• Implement firewall and network changes as directed by the Information Security Specialist
• Administer Active Directory, Group Policy, and user account lifecycle (provisioning, changes, deprovisioning)
• Manage DUO MFA enrollment and troubleshooting in coordination with the Information Security Specialist on policy configuration
• Apply OS and firmware patches to servers, network devices, and infrastructure components on schedules defined in coordination with the Information Security Specialist
• Partner with the business systems team on integration points (NetSuite, Salesforce, Propel) where infrastructure supports application performance
• Support the Information Security Specialist during incident response by providing infrastructure access, logs, and system-level remediation as needed

• Configure, troubleshoot, optimize, and maintain all physical/virtual/cloud services and technology resources
• Manage and oversee all operating environments, ensuring availability, performance, and security
• Participate in the protection of all data and the planning and implementation of policies and procedures
• Implement and monitor all Cybersecurity protocols and procedures including desktop and server hardening, patching, upgrading, system backups, and vulnerability scanning and remediation
• Administer Microsoft 365 services, including Exchange Online, Teams, SharePoint, OneDrive, and other collaboration-focused applications
• Manage, monitor, and maintain the Entra environment
• Provide technical support and solutions for Microsoft Intune
• Monitor and maintain Microsoft Defender for threat prevention and remediation
• Configure and troubleshoot all enterprise cloud systems (SaaS)
• Advanced deployment and troubleshooting for PC/Mac/Mobile devices
• Design and setup TCP/IP networks including DNS, DHCP, VLAN, WAN, and VPN
• Configure and troubleshoot networking devices (Firewalls, Switches, Access Points)
• Implement and monitor security systems
• Perform ongoing performance tuning, upgrades, and resource optimization on all systems
• Execute migrations, upgrades, and other projects following industry best practices
• Maintain awareness of trends and changes in the Cybersecurity industry and threat landscape
• Develop and maintain documentation on installation and configuration procedures

• Administer and secure classified IT systems across their full lifecycle, ensuring compliance with DCSA, DoD, and IC cybersecurity requirements.
• Manage hybrid server environments (Windows/Linux), including Active Directory, DNS/DHCP, virtualization (VMware/Hyper-V), and system patching.
• Oversee storage and backup infrastructure (Dell EMC Unity, enterprise backup platforms), ensuring data integrity and availability.
• Maintain and support network infrastructure, including Cisco routers/switches, LAN/WAN architecture, and secure communications.
• Support desktop/client environments, including system imaging, software deployment, upgrades, and user administration.
• Troubleshoot and resolve complex infrastructure issues across servers, networks, and endpoints beyond Tier 2 support.

Information System Administrator

• Initial contact for inbound phone and chat support request.
• Provide support and maintenance of servers, network devices, and associated hardware and software systems for clients.
• Acts as the first line of escalation for Support Technicians.
• Provide onsite support for Managed Services clients.
• Acts as a secondary Client Relationship Manager; evaluate system performance and recommend improvements to enhance efficiency.
• Provide intermediate technical support and guidance to end-users and assist in resolving technical issues.
• Document system configurations, procedures, and troubleshooting steps.

• Manage, configure, and maintain CRM platforms (HubSpot and Salesforce).
• Implement workflows, custom fields, integrations, and data hygiene processes.
• Collaborate with Sales, Marketing, and Customer Success teams to optimize CRM usability and performance.
• Oversee system infrastructure related to CRM and other business software tools.
• Monitor performance and ensure system reliability and security.
• Track and report key SaaS metrics such as MRR, ARR, CAC, LTV, churn, and customer engagement.
• Develop dashboards and regular reports to provide visibility into performance and growth.
• Partner with Finance and Executive teams to align metrics and reporting with business goals.
• Provide training and documentation to end-users as needed.

Senior CRM System Administrator

• Administer and maintain Microsoft Windows servers, client systems, backup systems, network infrastructure, and databases.
• Provide end user desktop support for systems and applications at the local site and across the classified WAN.
• Build, configure, and maintain physical and virtual Windows servers in support of program requirements.
• Perform regular system updates, patching, and hardening activities to reduce vulnerabilities and ensure compliance with applicable standards.
• Develop and maintain scripts and automation tools to streamline deployment and improve operational efficiency.
• Collaborate with engineering teams to understand program requirements and deliver effective technical solutions.
• Communicate complex technical issues, risks, and recommendations clearly to management and non-technical stakeholders.

Senior Specialist, Systems Administrator

• Identity platform (Okta) administration; SSO, authentication, and access controls
• User lifecycle management automation; onboarding and offboarding of users, devices, and application access
• Maintenance of corporate IT infrastructure, including networks, servers, firewalls, applications, and cloud services (AWS, Azure, GCP)
• Endpoint management and configuration (Jamf, Intune), including security policy, patching, and vulnerability remediation
• SOX auditing and compliance enforcement across IT infrastructure processes and procedures
• Build and expand automation across IT operations, using both code and no-code tools, to reduce manual toil and improve consistency at scale
• Identify opportunities to apply AI and machine learning to reduce operational burden and improve decision-making
• Evaluate and adopt emerging tools and technologies that enhance identity management, endpoint security, and overall IT infrastructure efficiency
• Create and maintain high-quality technical documentation (runbooks, SOPs, end-user guides)
• Collaborate with Security, DevOps, HR, and other teams to identify and execute infrastructure improvements
• Assist IT leadership with special projects that may involve handling sensitive data, internal investigations, or strict confidentiality requirements

Senior IT System Administrator

• Lead the daily operations of our Technology department.
• Ensure the smooth functioning of computer systems, network servers, and virtual infrastructure.
• Implement best practices for cybersecurity and IT support.
• Manage workstation inventory (AssetPanda) and oversee deployments (WDS, Microsoft Deployment Toolkit).
• Troubleshoot desktop and laptop issues.
• Administer and manage endpoint antivirus installations (ESET).
• Oversee mobile device management using Meraki MDM and Verizon business accounts.
• Provide software, hardware, and network connectivity support for end-users.
• Manage and maintain the Zendesk ticketing system.
• Conduct IT orientations for new hires.
• Implement and document IT standard operating procedures.
• Manage vendor relationships, including IT service providers, hardware/software vendors, and telecommunications providers.

Technology Systems Administrator

• Responsible for installing new software releases and system upgrades.
• Evaluates and installs patches and resolves software-related problems.
• Performs system backups and recovery.
• Maintains data files and monitors system configuration to ensure data integrity.
• Arranges and administers security measures to restrict unauthorized use of data systems and databases.
• Coordinates any security investigations and executes preventative measures.
• Analyzes and resolves problems associated with operating systems.
• Detects, diagnoses, and reports related problems.

Systems Administrator I – Hybrid

• Image, configure, and upgrade servers with Linux operating systems
• Configure and manage multiple root slots hosting varied operating system images
• Provide design guidance and operational support for virtualized lab infrastructure
• Provide design guidance for lab storage solutions
• Provide guidance for hardware and software installation and configuration
• Collaborate with AI benchmarking, R&D, and performance engineering teams
• Design lab layouts, networks, and operational policies
• Prioritize and coordinate lab work activities
• Make recommendations on lab resource usage
• Oversee and support lab transitions
• Install, configure, and support job scheduling and resource management tools
• Serve as a technical mentor to junior system administrators and lab staff
• Communicate lab successes, risks, failures, and issues to management

HPC AI Linux Systems Administrator

• Own internal IT operations end to end
• Administer Okta across our full tool stack — managing SSO, SCIM provisioning, and app integrations
• Onboard and offboard users across both Okta and non-Okta applications
• Add and deactivate tools in Okta as our stack evolves
• Manage and track access for vendors and contractors, ensuring appropriate permissions are granted and revoked promptly
• Own the new hire IT onboarding experience — from laptop setup to tool access on day one
• Manage device enrollment, configuration, and compliance through Iru
• Maintain hardware inventory and manage device lifecycle
• Serve as the point of contact for IT tool vendors
• Identify integration requirements for new tools and manage their setup and deprecation
• Maintain documentation on our tool stack, access policies, and vendor relationships
• Partner with our Systems Team to support SOC 2 compliance efforts
• Help implement and manage our future compliance platform, such as Vanta
• Ensure IT processes around access, onboarding, and offboarding meet audit requirements

IT Systems Administrator

• Partner across the organization to identify, evaluate, and resolve issues related to the client computing environment and endpoint technology solutions
• Own the successful delivery of operational initiatives that improve the security, reliability, and compliance of the endpoint environment while maintaining an excellent end-user experience
• Manage the Endpoint Engineering support queue, including prioritization, triage, and driving timely resolution of incidents and requests
• Act as a point of escalation for the Service Desk and Desk Side teams, performing trend analysis and resolving complex or recurring technical issues
• Develop, refine, and maintain operational metrics, key risk indicators (KRIs), and reporting related to endpoint health, compliance, and performance
• Assist and mentor teammates through knowledge sharing, documentation, and hands-on guidance
• Partner closely with Security teams to ensure Endpoint Engineering risk issues are tracked, remediated, and resolved within defined SLAs.

Senior Systems Administrator

• Provide first-level technical support and troubleshooting for end users, including hardware, software, and network issues
• Assist with system provisioning, user account management, and access control in accordance with security policies
• Monitor system performance and maintain system health and security
• Document incidents, service requests, and resolutions accurately in the ticketing system
• Collaborate with senior system administrators and cybersecurity teams to escalate and resolve complex issues
• Participate in on-the-job training, self-study, and mentorship programs to develop technical and security skills and keep them current
• Communicate clearly and professionally with users, management, and team members to ensure timely issue resolution
• Adhere to all security protocols and compliance requirements relevant to classified environments

Service Desk System Administrator – Associate or Experienced

• Support government accounts and provide advanced system administration
• Handle lab operations support for hardware, network, and software environments
• Contribute to continuous improvement of lab processes and policies
• Mentor junior staff and support lab expansions and transitions

System Administrator jobs in California

See all jobs on JobTailor

HPC AI Systems Administrator

Systems Administrator

Linux, Database Administrator

Senior Systems Administrator – Desktop

Systems Administrator

Senior IT Systems Administrator

Systems Administrator

Systems Administrator

Information System Administrator

Systems Administrator

Senior CRM System Administrator

Senior Specialist, Systems Administrator

Senior IT System Administrator

Technology Systems Administrator

Systems Administrator I – Hybrid

HPC AI Linux Systems Administrator

IT Systems Administrator

Senior Systems Administrator

Service Desk System Administrator – Associate or Experienced

HPC AI Systems Administrator