Tier 3 IT Support Technician (Microsoft 365)

Location: Guatemala, fully remote from home. Schedule: Monday to Friday, 8:00 AM–5:00 PM ET, subject to daylight-saving changes.

Salary: GTQ 22,000 base salary per month. The posting header also lists GTQ 12,500 full-time.

Company

Linear 1 Technologies is a managed service provider operating telecom, fiber internet, IT infrastructure, and cybersecurity services for small and mid-market clients.

What you will do

• Resolve escalated hardware, software, telecom, Microsoft 365, Windows, and network issues.
• Administer Exchange Online, Entra ID, MFA, licensing, mailboxes, DNS records, and identity environments.
• Maintain Windows Server and Active Directory services, including DNS, DHCP, Group Policy, permissions, and server performance.
• Troubleshoot routing, firewalls, VPNs, VLANs, wireless networks, BGP, fiber connectivity, virtual machines, and data center infrastructure.
• Manage support queues, document technical actions, coordinate with vendors, and participate in IT projects.
• Join the shared after-hours on-call rotation, generally every three weeks after demonstrating readiness.

Requirements

• At least 3 years of progressively responsible IT support experience, including independent Tier 2 or Tier 3 work.
• At least 1 year in an MSP or multi-client support environment.
• Strong Microsoft 365, Windows Server, Active Directory, TCP/IP, routing, switching, and firewall knowledge.
• Strong problem-solving, documentation, customer service, communication, and prioritization skills.
• Willingness to provide on-call and after-hours coverage.
• English proficiency at C1–C2 level, a personal computer with webcam and microphone, a quiet workspace, and reliable internet of at least 100 Mbps are required.

Nice to have

• Experience with Arista, Meraki, or MikroTik firewalls and telecom or fiber environments.
• Knowledge of BGP, OSPF, EIGRP, MPLS, VXLAN, data center fabrics, and DNS services.
• A+, Network+, Security+, or Microsoft certifications.

Culture & Benefits

• Fully remote work from Guatemala.
• Collaborative, lean team with ownership and direct client communication.
• Exposure to enterprise technologies, telecom infrastructure, fiber networks, cybersecurity, and data center operations.
• Software and subscriptions required for the role are provided.

Hiring process

• Application questionnaire, psychometric evaluation, and English proficiency assessment.
• Practical skills assessment followed by a 60–90 minute skills assessment interview.
• Final 30–60 minute interview with the hiring manager and potentially other team members.