IT Helpdesk Technician

The role

You will provide hands-on technical support for software, engineering, manufacturing, lab, and business teams. This includes managing endpoints, identity systems, networks, and audiovisual technologies in a regulated environment.

What you will do

• Own Tier 1 through Tier 3 support requests from intake to resolution or escalation.
• Support and troubleshoot Windows, macOS, and Linux endpoints, mobile devices, printers, and peripherals.
• Administer user, group, license, mailbox, and access workflows across Microsoft 365, Entra ID, or Google Workspace.
• Provision, configure, patch, repair, and decommission endpoints.
• Troubleshoot identity, MFA, SSO, VPN, and network connectivity issues.
• Manage lifecycle and inventory of laptops, desktops, mobile devices, and software licenses.
• Support onboarding, offboarding, and hardware moves.
• Operate ticket queues with clear categorization and prioritization.
• Create and maintain user-facing knowledge articles and internal runbooks.
• Support collaboration and audiovisual technologies like Microsoft Teams, Google Meet, and Zoom.

Required qualifications

• 3+ years of hands-on experience in IT helpdesk, service desk, desktop support, endpoint support, systems administration, or equivalent.
• Basic networking concepts and protocols (DNS, DHCP, RDP, SSH, FTP, TCP/IP).
• Professional experience supporting Microsoft and Google environments plus Windows and macOS endpoints.
• Familiarity with remote management and remote support tools.
• Experience working within a ticketing system.
• Ability to participate in an on-call rotation and work occasional evenings, weekends, or extended hours.
• Ability to move and install common IT equipment including laptops, monitors, and network devices.
• Ability to work onsite in Torrance, CA.

Nice to have

• Familiarity with IT operations in a high pace environment
• Strong troubleshooting fundamentals across hardware, operating systems, SaaS, identity, networks, and audiovisual systems
• Experience supporting aerospace, defense, advanced manufacturing, laboratories, engineering organizations, biotechnology or other high-availability and compliance-driven environments
• Familiarity with ITAR-controlled environments and frameworks such as NIST SP 800-171, CMMC, least privilege, audit logging, evidence collection, and incident reporting
• Demonstrated service ownership, calm incident communication, precise documentation, and sound judgment
• CompTIA A+, Network+, Security+, Microsoft 365 or Endpoint Administrator, Google Workspace Administrator, Jamf, JumpCloud, ITIL, or equivalent certifications
• Support of standard office applications such as Microsoft Office, Adobe Acrobat, browsers as well as CAD software

Before you apply

• Applicant must be a U.S. citizen or national, U.S. lawful permanent resident, Refugee under 8 U.S.C. § 1157, or Asylee under 8 U.S.C. § 1158, or be eligible to obtain required authorizations from the

About the company

Antares is building mass-producible, inherently safe, deployable microreactors to make clean energy abundant. The team includes members from SpaceX, the White House, the Pentagon, and various national laboratories.