IT Infrastructure Admin

Power & Tel Career•Piperton, TN

About The Position

The IT Infrastructure Admin administers, secures, and supports the company’s network, server, cloud, and endpoint infrastructure. The role provides hands-on troubleshooting, maintenance, project implementation, and technical support to ensure reliable business operations. It also oversees an external 24/7 monitoring provider and responds to its alerts and escalations. Occasional after-hours maintenance, emergency support, or travel may be required. Duties may change with business needs, and the description is not exhaustive.

Requirements

Five years of relevant IT experience, including hands-on administration of both enterprise networks and Windows server environments.
Working knowledge of TCP/IP, switching and routing, firewalls, Active Directory, Microsoft 365, system security, and backup and recovery.
Strong troubleshooting, communication, documentation, prioritization, and independent problem-solving skills.
A track record of owning results.

Nice To Haves

Associate’s or bachelor’s degree in IT or a related field; equivalent education and experience will be considered.
Relevant Microsoft, Cisco, CompTIA, or AWS certifications.
Experience with AWS or Azure, Meraki or Cisco, PowerShell, virtualization, and enterprise security or monitoring tools.
Experience with Jira or another ITSM/ticketing platform and AI or automation tooling.

Responsibilities

Install, maintain, and troubleshoot Windows servers, Active Directory, Group Policy, DNS, DHCP, and virtualization platforms.
Administer LAN/WAN and wireless networks, VPNs, firewalls, switches, routers, and VoIP services.
Oversee the 24/7 external monitoring provider, respond to alerts and escalations, and hold the provider to service levels.
Support Microsoft 365, Exchange Online, Teams, SharePoint, cloud infrastructure including AWS, and hybrid identity services.
Maintain endpoint devices, software deployments, system updates, patching, and user access; resolve escalated technical issues.
Implement security controls, endpoint protection, MFA, vulnerability remediation, and system hardening; coordinate with security partners.
Monitor backup and recovery systems, conduct restore testing, and assist with business continuity and disaster recovery.
Evaluate and support business applications; assist with upgrades, testing, rollouts, documentation, and user training.
Maintain network diagrams, inventories, procedures, and monitoring; use scripting and automation to improve reliability and efficiency.
Provide occasional after-hours maintenance or emergency support and travel as required.
Perform other tasks as duties change with business needs or at the discretion of the manager.