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IT Infrastructure Administrator

Job in Union City, Obion County, Tennessee, 38261, USA
Listing for: Twin Oaks Technology, LLC
Full Time position
Listed on 2026-09-20
Job specializations:
  • IT/Tech
    Systems Administrator, Network Administrator, Windows Server
Salary/Wage Range or Industry Benchmark: 90000 - 120000 USD Yearly USD 90000.00 120000.00 YEAR
Job Description & How to Apply Below

We are seeking a skilled and dependable IT Infrastructure Administrator to support and maintain a variety of client environments. This role is ideal for an experienced IT professional who is comfortable working across multiple systems, troubleshooting complex issues, and managing infrastructure in a fast-paced, service-driven environment.

This position requires strong technical depth across networking, systems, and cloud technologies, along with the ability to independently diagnose and resolve issues across diverse client environments.

Key Responsibilities
  • Deploy, configure, and maintain network and systems infrastructure across multiple client environments
  • Troubleshoot and resolve escalated issues involving networking, servers, virtualization, and cloud services
  • Configure and manage firewalls, VPNs, switches, and wireless infrastructure
  • Administer Windows Server environments, including Active Directory, Group Policy, DNS, and DHCP
  • Manage and support Microsoft 365 environments (Exchange Online, Azure AD, user and security management)
  • Support virtualization platforms (Hyper-V, VMware), including provisioning and maintenance of virtual machines
  • Implement and maintain backup and disaster recovery solutions
  • Monitor system health, performance, and security using RMM and monitoring tools
  • Work with vendors (ISPs, hardware providers, software vendors) to resolve issues and support deployments
  • Document network diagrams, configurations, and standard operating procedures
  • Assist with project work, including migrations, upgrades, and new client onboarding
Required Experience & Skills
  • 7+ years of hands-on experience in network and systems administration
  • Strong technical knowledge of Networking: TCP/IP, VLANs, routing, switching, firewall configuration;
    Windows Server (2016/2019/2022), Active Directory, Group Policy;
    Microsoft 365 and Azure AD administration;
    Virtualization (VMware and/or Hyper-V);
    Backup and disaster recovery solutions
  • Experience using RMM tools and ticketing systems in a service-based environment

    Ability to troubleshoot issues across multiple layers (network, system, application)
  • Strong documentation habits and organizational skills
  • Excellent communication skills with both technical and non-technical users
  • Ability to manage multiple clients and priorities simultaneously
  • Knowledge of and ability to implement cybersecurity best practices
Work Environment Requirements
  • This is not a remote position
  • Must be able to work on-site in Union City, TN five days per week
  • Ability to lift and install equipment, work in confined spaces, and perform physical installation tasks
What Success Looks Like in 90 Days
  • Independently handles the majority of day-to-day support tickets and client issues
  • Demonstrates strong understanding of key client environments and infrastructure
  • Successfully resolves escalated technical issues with minimal oversight
  • Accurately documents systems, configurations, and recurring issues
  • Builds confidence with clients through clear communication and reliable support
  • Contributes to at least one project (upgrade, migration, or deployment)
Compensation & Benefits
  • Vacation pay
  • Company-paid holidays
  • Health, vision, and dental insurance
  • Company-paid life insurance
  • Employer-sponsored SIMPLE IRA retirement plan
  • Bonus pay potential
Benefits:
  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Health insurance
  • Life insurance
  • Paid time off
  • Vision insurance

Work Location:

In person

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