What are the responsibilities and job description for the IT Infrastructure Administrator position at Twin Oaks Technology, LLC?
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