Top Senior IT Jobs in Los Angeles, CA

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 and execute remote technical implementations for dental practices from signing through go-live. Configure PMS integrations, set up remote access and network configurations, manage AWS-hosted Windows VMs/ETL, handle support volume, liaise with MSPs, and improve onboarding processes and automation while partnering with cross-functional teams.

Hands-on IT manager responsible for multi-site infrastructure, Tier 2/3 support, Microsoft 365 administration, asset/inventory management, vendor coordination, disaster recovery, and leading software modernization and AI adoption across nine hotel properties.

Lead and scale IT infrastructure across office and industrial sites. Own onboarding, asset management, network reliability, endpoint management, SaaS and identity administration, vendor coordination, and support for machine-connected environments to ensure operational uptime and scalable IT workflows.

Provide regional hardware/software and on-site break/fix support, lead small-to-medium IT projects, deliver high-impact solutions, support regional start-ups/moves, and travel frequently within a defined territory to assist end users.

Design, implement, and maintain enterprise-scale Windows Server and Active Directory infrastructures, endpoint and patch management, and identity/access controls. Provide architecture for Group Policy, SCCM/JAMF/Intune, cross-platform endpoint management, automation scripting, and compliance with NIST/CMMC. Support end users, coordinate patching, and ensure reliable IT operations for site mission systems.

Provide Tier 2/3 IT support and escalations, architect and automate internal IT systems (especially macOS), manage MDM/RMM and identity systems, handle procurement and asset management, document processes, and optimize IT operations using scripting and AI-driven automation.

Manage multi-site IT support operations for a manufacturing organization: lead L1/L2 teams, resolve hardware/software issues, oversee infrastructure, enforce cybersecurity, coordinate vendors, manage imaging and deployments, document systems, and align IT with production goals.

Provide frontline and advanced application support for radiology imaging workflows: incident triage, user provisioning, configuration changes, DICOM troubleshooting, monitoring interfaces, coordinating with networks/storage/vendors, maintaining SOPs and knowledge base, delivering end‑user training and on‑call doctor support to meet SLAs.

Manage and maintain IT infrastructure for the data team: deploy reliable systems, ensure data/network security and backups, design policies and procedures, audit systems, identify and fix issues, control IT assets and budget, and implement cost-effective strategic solutions.

Build and own IT infrastructure for a defense-adjacent company: administer Microsoft GCC High, Azure AD/Intune, networking, security/compliance (CMMC/NIST), provide end-user support, manage vendors, and document policies/runbooks across multi-site facilities.

Lead IT operations and service delivery in a player-coach role: manage Tier 1-3 support, own ITIL processes (incident, problem, change, SLAs), improve metrics, maintain CMDB/service catalog, manage vendors and assets, and mentor IT staff to drive continual service improvement.

Manage and improve cloud-based SaaS IT environment, administer M365 and identity systems, operate and tune security platforms (Arctic Wolf, Zscaler, Okta, Mimecast), monitor alerts and lead incident response, oversee helpdesk (Freshservice), manage vendors, enable users through training and documentation, and apply AI and automation to streamline IT operations.

Onsite IT Manager responsible for studio IT operations, desktop support, infrastructure and systems administration, IAM and endpoint management, and coordinating with corporate and distributed studio teams to deliver secure, reliable technology and high-touch support for game development.

Serve as first-line IT support for hardware, software, networking, and enterprise applications. Triage and resolve support tickets, manage onboarding/offboarding, administer Okta and endpoint management (Intune, Jamf), maintain device health and access controls, collaborate with Security and Engineering, document processes, and improve support workflows to ensure a secure, compliant, and user-friendly hybrid work environment.

Remote IT Manager responsible for analyzing, upgrading, and administering IT systems (networks, servers, email, backups), evaluating vendors and technologies, managing projects, tracking inventory, training staff, and providing technical support to improve operational efficiency.

Lead and manage Level 1-3 Service Desk analysts supporting external clients, oversee daily operations, escalations, SLAs, and reporting. Improve service management, automation, and first-call resolution; partner with Engineering and Incident/Problem/Change Management to resolve production issues. Provide hands-on technical leadership across Splunk, Datadog, MuleSoft, SQL, and ServiceNow while managing client communications and operational metrics.