Senior IT Support Engineer, Site Lead

About the role

Justworks is opening a new Phoenix office and needs its first local IT hire to serve as the on-the-ground technical lead. You will handle day-to-day support for Phoenix staff while also assisting employees at other company locations remotely. The position blends hands-on troubleshooting, network upkeep, AV readiness, and executive-level service into one hybrid role reporting to the IT Support Manager.

Key facts

What you'll do

• Act as the main onsite IT contact in Phoenix, resolving issues across macOS, Windows, mobile devices, and peripherals while providing remote help to other offices daily
• Deliver high-touch technical assistance to executives and leadership during board meetings, offsites, travel, and live events
• Own the Phoenix new-hire orientation experience from start to finish and assist with orientations at other sites when needed
• Manage the full hardware lifecycle including procurement, deployment, decommissioning, and inventory audits alongside the global IT team
• Monitor local network health covering Wi-Fi, LAN, and wired connections; troubleshoot end-user connectivity and VPN problems before escalating
• Perform physical network tasks such as patching, cable management, and gear staging in IDF/MDF spaces under guidance from the Network Engineering team
• Conduct daily walkthroughs of conference rooms to confirm Zoom Rooms, displays, cameras, and audio gear are operational
• Provide hands-on AV support for town halls, All Hands events, and onsite meetings; coordinate with AV vendors during repairs or equipment refreshes
• Collaborate with People, Workplace, and Security teams on onboarding, offboarding, access reviews, and tool rollouts
• Mentor IT Support peers, share field learnings, and help raise standards for technical quality and customer experience
• Maintain documentation for Phoenix site operations, runbooks, and troubleshooting guides; identify recurring issues and drive improvements to reduce ticket volume
• Participate in site-level and cross-site projects such as office buildouts, hardware refreshes, MDM rollouts, and new tool deployments

Requirements

• 5+ years of professional IT Support experience with at least 2 years supporting multiple offices or a distributed workforce
• Proven ability to provide white-glove support to executives and senior leadership in high-visibility settings
• Track record of working independently as a senior individual contributor, owning outcomes and exercising judgment without close supervision
• Advanced troubleshooting skills across macOS, Windows, mobile platforms, and peripherals including complex escalated issues
• Deep hands-on experience with MDM platforms such as Jamf, Kandji, Intune, or Airwatch
• Strong familiarity with cloud-first SaaS tools including Okta, Google Workspace, Slack, Jira, Confluence, 1Password, Zoom, and asset management systems like Oomnitza
• Solid networking fundamentals covering Wi-Fi, LAN, DHCP, DNS, VLAN configuration, patching, cabling, and switch/AP troubleshooting
• Hands-on experience with Zoom Rooms or Teams Rooms endpoints such as NEAT, DTEN, Logitech, or Poly, plus full technical execution of live events from pre-show through teardown
• Excellent written and verbal communication with comfort presenting to executive audiences
• Ability to work independently as the sole onsite IT person in Phoenix while collaborating with a remote global team
• Willingness to travel occasionally to other Justworks offices for events, projects, and onsite support
• Experience mentoring peers, documenting standards, and driving process improvements

Nice to have

• Hands-on experience with Meraki environments (MX, MS, MR) and 802.1X authentication
• Familiarity with dual-ISP or redundant network architectures including failover validation
• Experience with corporate AV beyond Zoom Rooms such as QSC Q-SYS, Extron signal distribution, or Shure wireless microphone systems
• Exposure to network monitoring and zero-trust security tools like Datadog, Zscaler, or Cloudflare WARP
• Scripting skills in Bash, PowerShell, or Python
• Familiarity with endpoint security tools such as CrowdStrike, SentinelOne, or Jamf Protect
• Experience supporting a new office buildout from start to finish
• Background operating as a senior IC across a multi-site organization
• Direct experience partnering with C-suite or board-level stakeholders

Skills & tools

• macOS, Windows, iOS, Android
• Jamf, Kandji, Intune, Airwatch
• Okta, Google Workspace, Slack, Jira, Confluence, 1Password, Zoom
• Oomnitza or similar asset management platforms
• Zoom Rooms, Teams Rooms, NEAT, DTEN, Logitech, Poly
• Wi-Fi, LAN, DHCP, DNS, VLAN, VPN
• Meraki MX, MS, MR (preferred)
• QSC Q-SYS, Extron, Shure (preferred)
• Bash, PowerShell, Python (preferred)

Practical notes

• Occasional travel to other Justworks offices required
• Company offers wellness programs, retreats, and a casual work environment