Senior IT Helpdesk Technician – Onsite Torrance

Antares; Los Angeles (CA); On-site; USD 40,000 - 81,000; Full time

Job summary

Antares is seeking an experienced IT Helpdesk professional to provide hands-on support across Windows, macOS, and Linux endpoints in an onsite Torrance, CA environment. You will handle Tier 1–3 requests, manage identity and access workflows in Microsoft 365 and Google Workspace, and assist with AV and collaboration tools across teams in a regulated, fast-paced setting.

Ideal candidates have 3+ years of IT support experience, strong problem-solving skills, and are comfortable working evenings or

Qualifications

• 3+ years of hands-on IT helpdesk/desktop support experience.
• Basic networking concepts and protocols (DNS, DHCP, RDP, SSH, FTP, TCP/IP).
• Experience supporting Microsoft 365 and Google Workspace; Windows/macOS endpoints.
• Familiarity with remote management and remote support tools (e.g., Remote Desktop, TeamViewer, BeyondTrust, NinjaOne, ManageEngine, N-Able, Datto).
• Experience with ticketing systems (Zendesk, FreshDesk, N-Able, Request Tracker, HelpScout, HaloPSA, HappyFox).
• Ability to participate in on-call rotations and occasional after-hours support.

Responsibilities

• Own Tier 1 through Tier 3 support requests from intake to resolution and escalation.
• Troubleshoot Windows, macOS, and Linux endpoints, mobile devices, printers, and collaboration apps.
• Administer user and access workflows across Microsoft 365, Entra ID, or Google Workspace.
• Provision and en‑roll endpoints using device-management and deployment tools.
• Troubleshoot identity, MFA, VPN, DNS, DHCP, VLAN, and app-access issues with security controls.
• Manage inventory • laptops, desktops, devices, software licenses, and loaner equipment.
• Support onboarding/offboarding and high-volume deployments with cross-team coordination.
• Maintain ticket queues with clear categorization, SLA awareness, and handoffs to owners.
• Create and maintain knowledge articles, runbooks, and audit-ready evidence for recurring processes.
• Support collaboration/AV technologies (Teams, Meet, Zoom, displays, cameras, audio equipment).
• Troubleshoot tech used in manufacturing, lab, and engineering environments without compromising safety.
• Use PowerShell, Bash, APIs or workflow tools to automate repeatable tasks and reduce ticket volume.

Skills

IT support

Networking basics

Microsoft 365 / Google Workspace

Remote management tools

Ticketing systems

Onsite support

Tools

PowerShell

Bash

APIs

Workflow automation

Job description

Antares is seeking an experienced IT Helpdesk professional to provide hands-on support across Windows, macOS, and Linux endpoints in an onsite Torrance, CA environment. You will handle Tier 1–3 requests, manage identity and access workflows in Microsoft 365 and Google Workspace, and assist with AV and collaboration tools across teams in a regulated, fast-paced setting.

Ideal candidates have 3+ years of IT support experience, strong problem-solving skills, and are comfortable working evenings or