Top Systems Administrator Jobs in Los Angeles, CA

The Accounting & Finance Systems Administrator manages NetSuite configurations, supports integrations, and ensures performance of finance technology systems while collaborating with cross-functional teams.

Own and operate Relativity's Linux and Windows infrastructure supporting manufacturing and engineering. Deploy, configure, automate, and maintain production systems on-prem and in cloud (Azure/GCP). Support AD, DNS, DHCP, enterprise backups (Veeam/Commvault/Rubrik), ensure uptime and AS9100 compliance, troubleshoot network/system boundaries, mentor junior admins, and collaborate with senior engineers to operationalize designs and automate administration.

Seeking a Senior Relativity Senior Systems Administrator to manage and implement Automated Litigation Support solutions and maintain system infrastructure, supporting projects that enhance network systems in the legal and IT domains.

Manage archiving of Relativity databases, design IT systems, supervise personnel, ensure quality control, prepare documentation, and conduct training.

The Relativity Senior Systems Administrator will maintain and improve network systems, oversee litigation support applications, manage infrastructure, and ensure document and system compliance. The role requires hands-on experience with complex systems and thorough knowledge of IT environments and security.

The Senior Systems Administrator will manage Relativity databases, consult with legal personnel, design IT systems, supervise staff, and ensure project compliance and documentation.

Manage and secure enterprise IT infrastructure including Microsoft 365/Azure, Intune endpoint management, Okta identity, Windows/Linux servers, virtualization, Fortinet networking, Active Directory, scripting for automation, documentation, and on-call support.

Maintain, configure, and secure enterprise and air-gapped systems onsite. Provide Tier II support, install and patch servers and desktops, manage virtual machines, administer Red Hat Linux, monitor systems, document procedures, escalate issues, and ensure compliance with DoD security standards and organizational policies.

Lead negotiation, drafting, and management of indirect contracts (IT, facilities, SaaS, professional services). Manage vendor relationships, mitigate contract risk, ensure compliance with company and government requirements, create purchase orders, collaborate with finance, legal, supply chain and engineering, and optimize costs and contract performance.

Administer and scale Siemens Teamcenter and related PLM systems, support engineering workflows and NX integrations, troubleshoot platform and integration issues, manage users/permissions/BOMs/releases, partner with cross-functional teams, support upgrades/deployments/validations, and identify automation opportunities to improve engineering data integrity and processes.

Administer and maintain the Microsoft 365 environment (SharePoint, Exchange, Teams, OneDrive, Intune, Entra), troubleshoot M365 issues, support helpdesk escalations, manage Windows servers and virtualization, produce usage and license reports, and provide user training and implementation support during migration to Microsoft 365.

Lead and maintain reliability, security, and performance of on-premises and cloud infrastructure across Windows, Linux, macOS, Microsoft 365, Azure/AWS, identity, endpoints, backups, monitoring, and service management. Act as escalation point, mentor teammates, manage incidents/changes in Jira, document in Confluence, automate tasks with scripting, and support compliance and disaster recovery in regulated environments.

Own and improve reliability, security, and performance of on‑premises and cloud infrastructure across Microsoft 365, Windows/Linux/macOS, Azure/AWS, identity, endpoints, and collaboration platforms. Lead incident response, patching, monitoring, backups, compliance for controlled environments (GCC High/ITAR), mentor junior staff, automate operations, and manage service records using Jira/Confluence while supporting engineering application integrations and infrastructure modernization.

Manage and maintain classified Linux/Windows infrastructures onsite: server and storage administration, access management, backups, virtualization (VMware), patching, and workstation support. Lead Red Hat installs, support engineering software phases, mentor junior admins, collaborate with cybersecurity to meet DoD security requirements, and ensure 24x7 operational readiness including after-hours work as needed.

Provide Level 2 TAC support resolving mid-level issues across Active Directory, Microsoft 365, VPN, GPOs, VMware, SAN, firewalls, MFA, Azure, Exchange, wireless, backups, and storage; perform on-site technical installations and maintain documentation/ticketing workflows.

The role involves supporting network applications, maintaining databases, and providing administration for various technologies while ensuring integration and support for the Gold Comet ecosystem.

As a Senior Systems Administrator, you will manage AWS infrastructure, optimize systems, enforce best practices, lead automation, and mentor junior engineers.

Manage and improve finance and GTM systems, particularly NetSuite and Salesforce, drive automation, and partner with stakeholders to meet business needs.

Administer and support Citrix and enterprise systems, troubleshoot incidents, perform monitoring/patching, maintain documentation, enforce security and access controls, assist deployments/upgrades, follow change management, participate in on-call rotation, and collaborate with IT teams to improve operations.

The Senior Systems Administrator analyzes, designs, implements, administers, and maintains IT infrastructure systems including virtual systems, servers, and backups, collaborating with multiple teams for system improvements.

Owner of enterprise systems and automations: build and maintain Airtable bases and n8n integrations, write scripts and API/webhook integrations, administer NetSuite, monitor Snowflake pipelines, provide high-touch technical support, and document runbooks.

Administer and maintain CRM and GTM systems, manage integrations and data quality, co-administer DealHub CPQ, support system modernization and migrations, resolve revenue-blocking issues, and document and enable sales users.

Lead day-to-day system administration for cloud and on-prem systems: install, configure, maintain, optimize, and secure servers and networks. Perform capacity and performance analysis, automate admin tasks, train staff, manage application networking and load balancing, and conduct vulnerability management while supporting CUI and government security requirements in a fully remote Agile environment.

Administer and support ClearPath OS2200 environments including installation, configuration, upgrades, patching, monitoring, capacity planning, and lifecycle management. Troubleshoot performance issues, tune systems, manage storage/tape, workloads, databases, middleware and batch/transaction processing. Develop automation, runbooks, documentation, participate in on-call incident response, and follow ITIL change management. Support firmware/Plateau installations and SCMS II configuration, and collaborate with teams and customers for disaster recovery and continuous service improvement.

Administer and maintain seller enablement platforms, handle user provisioning and support tickets, contribute to the homegrown web application (HTML/JS/Next.js/React), build dashboards and data workflows (Google Sheets/Apps Script), create automations and AI-driven efficiencies, maintain documentation and runbooks, and partner with cross-functional stakeholders.