Top Systems Administrator Jobs in Los Angeles, CA

Administer and improve financial systems including NetSuite, Ramp, and Pigment; manage configurations, users, workflows, reports, dashboards, and integrations using Workato. Support Accounting, Finance, and Legal teams across close, procure-to-pay, order-to-cash, and reporting processes. Troubleshoot data and synchronization issues, maintain data integrity and governance, support testing and releases, document solutions, train users, and identify automation and process improvements.

Administer and optimize Greenhouse, ModernLoop, and related recruiting systems. Configure workflows, permissions, templates, interview plans, integrations, and automations; maintain ATS data quality and reporting readiness; provide system support; coordinate with vendors and systems engineers; and document processes and training materials. The role also identifies AI-enabled automation opportunities to improve recruiting efficiency and accuracy.

Administer Atlassian Cloud (Jira, JSM, Confluence); design workflows, automations, and governance; develop REST API/webhook integrations; manage Atlassian Access (SSO/SCIM); build advanced JQL dashboards and reports; support cloud migrations, audits, and enterprise system integrations.

Administers and optimizes the Defense Logistics Agency’s Okta environment, including deployment, configuration, integrations, maintenance, upgrades, performance analysis, automation, documentation, training, and technical support. Resolves connectivity issues, recommends system enhancements, supports operational systems, and directs system administrators. Requires advanced knowledge of application networking, load balancing, and fault tolerance, plus Okta certification and five years of professional Okta experience.

Administer and optimize Oracle EPBCS, including applications, metadata, business rules, security, workflows, dashboards, forms, and reporting. Support budgeting, forecasting, financial reviews, and ad hoc analysis while troubleshooting issues, managing enhancements, documenting procedures, and training users. Partner with Finance, IT, Oracle, implementation partners, and business stakeholders to improve planning processes and system performance.

Provide hands-on IT support and systems administration across endpoints, identity, network infrastructure, collaboration tools, cloud services, and internal apps. Maintain security, compliance, imaging/patching, monitoring, and documentation to support engineering, manufacturing, and business teams in a regulated, government-facing environment.

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.

Administer and support multiple go-to-market and sales technology platforms. Manage user accounts, permissions, roles, access requests, reports, dashboards, workflows, and basic configurations. Provide Tier 1 troubleshooting and documentation, monitor platform health, support implementations and integrations, and identify process improvements. Partner with Sales, Marketing, Customer Success, Revenue Operations, and Enablement teams while exploring AI and automation opportunities.

Owns enterprise virtualization, compute, storage, Windows and Linux systems, identity services, monitoring, backup, and disaster recovery. Diagnoses complex infrastructure problems across hypervisor, operating system, storage, and network layers; develops PowerShell, PowerCLI, and Bash automation; improves resilience and observability; supports database infrastructure; and helps introduce container workloads. The role also includes mentoring junior administrators, maintaining documentation and recovery procedures, and collaborating with network, security, database, and application teams.

Administer and troubleshoot IBM z/OS network systems and connectivity, including VTAM, TCP/IP, TN3270, FTP, Policy Agent, and SMTP. Manage TSO, ISPF, JCL, VSAM, catalogs, and JES2 operations. Develop automation scripts and monitoring or reporting tools, support MQ, DB2, CICS, file transmission, printing, and email infrastructure, and collaborate with enterprise network and security teams.

Administer and support IBM z/OS environments, including installations, upgrades, maintenance, lifecycle management, and complex troubleshooting. Use SMP/E for software maintenance, PTFs, APARs, and HOLDDATA processing. Develop REXX automation and administer z/OSMF services and workflows. Monitor performance, availability, capacity, and system health; support upgrades, migrations, disaster recovery testing, production operations, and on-call activities. Collaborate across infrastructure teams, maintain technical documentation, and mentor other mainframe administrators.

Administer Microsoft Intune and multi-platform endpoint environments across Windows, macOS, iOS, and iPadOS. Lead Apple integration with Microsoft Active Directory and Entra ID, configure enrollment, policies, application deployment, patching, compliance, encryption, and security controls. Provide Tier 3 support, monitor endpoint health, resolve compliance issues, document procedures, lead technical discussions, mentor staff, and brief stakeholders. The role is fully remote and supports HUD through the Leidos Digital Modernization Sector.

Administer Windows and macOS systems, identity platforms, networks, endpoints, NAS storage, cloud services, and creative production infrastructure. Provide Tier 1 and Tier 2 support, manage onboarding and offboarding, troubleshoot Adobe and 3D production tools, maintain documentation and inventory, monitor system health, and support workstation, server, and software deployments. The role is fully onsite in Culver City, with occasional weekend maintenance and after-hours support responsibilities.

Own the design, configuration, administration, security, testing, and optimization of Vanta’s Workday environment across Core HCM, Payroll, Benefits, Absence, and Time Tracking. Partner with People, Payroll, Finance, IT, and Legal to translate business needs into scalable solutions, lead system initiatives, manage releases and change adoption, improve processes, and maintain audit and compliance standards.

Lead administration and sustainment of the Advana data platform for USMC cybersecurity reporting. Build secure ETL/ELT pipelines in Databricks, develop advanced Qlik Sense dashboards, integrate eMASS via APIs, implement data governance, produce technical documentation, and provide knowledge transfer and stakeholder support.

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.

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.

Administer and maintain hybrid infrastructure including Windows Server, Microsoft 365, Active Directory/Entra ID, Nutanix, Azure/AWS, backup/disaster recovery, and endpoint management. Monitor performance, implement security controls, support incident/change management, provide Tier II/III escalation, create documentation, assist with automation and on-call/after-hours support, and collaborate with engineering, security, and service desk teams to ensure availability, compliance, and operational efficiency.

Administer and support the Enrich fleet maintenance platform across configuration, user access, data quality, interfaces, troubleshooting, testing, releases, documentation, and training. Provide Tier 1 and Tier 2 support for related fleet systems, investigate issues across application and data layers, monitor integrations, reconcile records, and coordinate with business, IT, and vendor teams. Support process improvements, reporting, audit readiness, and critical incidents or deployments outside standard hours when necessary.

Own Salesforce administration and evolution for the revenue organization, including configuration, security, automation, data governance, routing, integrations, reporting, and system architecture. Partner with Sales, Marketing, Finance, Customer Success, and Support to improve processes and data quality. Manage GTM systems requests, release and change management, external development partners, and AI-enabled workflows. Support LeanData, Salesloft, APIs, middleware, Apex troubleshooting, and warehouse or data lake integrations.

Administer, provision, and maintain HPC/AI compute, storage, networking, and software stacks. Develop automation for provisioning, configuration management, and monitoring. Install, configure, and optimize job schedulers (e.g., Slurm), deploy MPI and containerized HPC applications, perform benchmarking, tuning, capacity planning, security patching, troubleshooting, and vendor coordination while supporting researchers and documenting procedures.