Top Senior IT Jobs in Los Angeles, CA

Provides senior-level IT support and escalations across Windows, macOS, and Linux. Owns endpoint, device, identity, Microsoft 365, security, asset, and service management; automates workflows with PowerShell; performs root cause analysis; maintains documentation; supports networking and onboarding/offboarding; mentors junior staff; participates in on-call coverage; and travels to company sites for operational support.

Own IT support and core systems for a distributed virtual medical practice. Resolve escalated device, identity, and access issues; administer Okta, Google Workspace, Slack, and MDM; manage onboarding, offboarding, and device lifecycles; implement security policies; automate repetitive workflows; support audits; and improve documentation, processes, and team capabilities.

Own frontline IT and helpdesk support for a fully remote workforce of 400+ employees. Responsibilities include resolving tickets, provisioning and deprovisioning accounts and devices, managing device lifecycles, troubleshooting access issues, supporting Single Sign-On and ticketing platform rollouts, documenting processes, and collaborating with Security, People Operations, and other departments in a HIPAA-regulated environment.

Provides onsite Tier 1 IT help desk support for airport development operations. Troubleshoots PC hardware, Windows systems, network connectivity, VPN, and Microsoft 365 issues; manages incidents, service tickets, installations, deployments, relocations, and staff onboarding/offboarding. Supports events, trains users, documents outages, and escalates issues as needed. Requires mobility across airport sites, occasional shift flexibility, strong communication skills, and the ability to lift 40 pounds.

Provides Level 2 and Level 3 technical support for desktops, laptops, mobile devices, peripherals, operating systems, Microsoft 365, networks, business applications, and ERP systems. Resolves complex incidents, manages user accounts and permissions, supports onboarding and offboarding, maintains IT assets and documentation, performs root cause analysis, and coordinates with global infrastructure and application teams. The role is onsite in Commerce, California, with customer support comprising approximately 60% of the position.

Lead and manage Apex's IT infrastructure, operations, security, and staff. Oversee network, cloud, backups, procurement, projects, vendor and budget management, incident response, compliance, and end-user support while aligning IT strategy with business goals.

Owns employee-facing IT operations, including SaaS administration, identity and access management, device and endpoint lifecycle, technical support, IT asset management, onboarding and offboarding, migrations, documentation, and service processes. The role partners with security on access, endpoint, audit, incident response, and HIPAA-related controls while leading foundational initiatives such as MDM implementation, OneDrive-to-Google Drive migration, IT inventory, Zendesk administration, and scalable internal IT operations.

Provides white-glove technical support to executives and executive partners across macOS, Windows, mobile, SaaS, conference-room, and home-network environments. Designs executive IT service frameworks, SLAs, SOPs, asset programs, and proactive readiness workflows. Leads AV production for leadership meetings, broadcasts, town halls, and corporate events; maintains conference-room health; supports rollouts and escalations; and collaborates with infrastructure teams. Requires discretion, occasional on-call support, and travel for executive events.

Provides end-user IT support, resolves service requests and incidents, documents solutions, manages IT assets, installs and configures systems, and supports security and compliance standards. The role requires expertise across Windows, macOS, mobile operating systems, Office 365, mobile device management, Active Directory, service desk tools, and AI-enabled IT operations. Strong customer service, communication, documentation, prioritization, and problem-solving skills are essential.

Own and scale engineering and corporate IT infrastructure, including identity systems, endpoint management, networking, remote access, SaaS vendors, security controls, documentation, and IT operations. Partner with engineering and business teams to eliminate development friction, establish pragmatic standards and roadmaps, and determine the appropriate balance between internal IT staffing and external support.

Own corporate IT across identity, access, Mac devices, endpoint security, SaaS administration, audits, and incident support. Manage onboarding, offboarding, access reviews, device policies, licenses, and security configurations. Automate repetitive workflows with Python or Bash, document procedures, support audits and security incidents, and participate in IT on-call. The role independently operates the company’s identity, device, and SaaS environments while partnering closely with the security team.

Lead Doppel’s IT function supporting office and remote employees. Manage the IT team, service delivery, onboarding and offboarding, identity and access through Okta, endpoint management with Jamf, SaaS administration, office technology, vendors, budgets, and procurement. Build scalable processes and automations while partnering with Security on endpoint protection, access controls, vulnerability remediation, incident response, and audit readiness.

Manage the company’s IT department and ensure reliable operation of networks, servers, systems, security, and end-user technology. Responsibilities include AWS and Oracle administration, Microsoft 365 access management, technical support, cybersecurity monitoring, compliance, vendor coordination, budgeting, and leading IT infrastructure projects. The role also supports Windows and Apple devices, manages IT tickets, and coordinates cross-functional technology initiatives.

Own day-to-day IT operations for a global remote workforce, including end-user support, device and access management, onboarding and offboarding, internal systems administration, security controls, compliance audits, process automation, vendor management, and asset tracking. The role partners with Compliance, Engineering, DevOps, and HR to maintain reliable, secure, and efficient IT infrastructure while supporting growth and regulated-industry requirements.

Own IT operations and employee experience for a remote workforce. Support users, administer Google Workspace, Okta, and Apple device management, and optimize AI-powered ticketing, automation, self-service, and documentation. Analyze ticket trends to resolve root causes, manage onboarding and offboarding, maintain asset inventory, support security and compliance audits, deliver training and communications, and partner with teams to improve workflows and scale IT operations.

The IT Manager owns the organization’s IT strategy, security, infrastructure, employee support, Microsoft 365 environment, identity management, vendors, budgeting, and technology projects. The role is highly hands-on, covering endpoint and network administration, onboarding and offboarding, cybersecurity controls, backups, incident response, device lifecycle management, business continuity, and coordination of an external IT consulting firm.

Provides second-line remote IT support for client end users, resolving escalated Windows, macOS, Microsoft 365, identity, Intune, application, printing, and collaboration issues. Manages onboarding, offboarding, access changes, endpoint deployment, patching, and security compliance. Works within ticket priorities and service-level objectives, documents solutions, creates knowledge articles, identifies recurring problems, and escalates infrastructure issues with detailed troubleshooting information.

Provides senior onsite IT support at Rocket Lab headquarters, including incident, request, problem, change, and project ticket management. Supports desktop operating systems, hardware, networking, scripting, Active Directory, and Group Policy; mentors teams and documents technical solutions. Participates in end-to-end IT projects and supports launch and mission operations. The role includes occasional domestic travel, flexible shifts, weekend or evening work, and on-call rotation.

Own day-to-day IT operations, service management, endpoint security, identity and access administration, cloud infrastructure support, vendor and MSP oversight, business-unit technology integrations, and SOC 2 or other audit readiness. The role manages Microsoft 365, Google Workspace, AWS, Azure, endpoint tools, security platforms, device compliance, operational documentation, procurement, and technical evidence across multiple business units.

Owns IT infrastructure, endpoint management, identity and access, security, compliance, vendor relationships, and employee support across corporate and clinical teams. The role designs scalable systems, resolves hardware and software issues, manages provisioning and deprovisioning, develops IT policies and documentation, supports HIPAA and SOC 2 compliance, and maintains disaster recovery and cybersecurity response practices. Periodic travel to regional offices is required.

Leads OLIPOP’s IT strategy, operations, security, compliance, vendor management, and cross-functional technology projects. Oversees cloud systems, networking, endpoint management, SaaS lifecycle, helpdesk operations, onboarding and offboarding, access governance, and user support. Manages IT policies, budgets, audits, security tools, incident response, and vendor relationships while balancing strategic planning with hands-on technical execution.

Leads corporate IT operations at Hadrian’s Torrance headquarters, managing technicians, analysts, and systems administrators. Responsibilities include service desk leadership, AI chatbot and ticket-deflection automation, executive support, conference-room and event AV, factory IT partnership, SaaS administration, vendor and license management, escalations, postmortems, hiring, and team development. The role requires strong corporate IT experience, automation skills, executive support judgment, and hands-on AV expertise.

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.

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.

Serve as the technical escalation lead for Plant and HQ IT, supporting Microsoft ecosystem and plant-floor hardware, mentoring the team, implementing ITSM practices, and building automation (PowerShell, Power Automate) and AI-assisted support to reduce repeat incidents and scale IT operations.