IT Infrastructure Administrator

Interstates•Sioux Falls, SD

3h•$79,100 - $108,770

About The Position

The Infrastructure Administrator administers, supports, and secures Interstates’ IT infrastructure. The role provides advanced Tier 2 support and maintains servers, networks, cloud platforms, and enterprise systems, while managing user access, patching, backups, and routine infrastructure improvements. The administrator works with internal teams and vendors to troubleshoot complex issues and support technology initiatives, helping ensure system reliability, security, and continuity of operations. Travel is required based on business needs and is not expected to exceed 35% of the employee’s time. Travel may include job locations and other company or project sites to support infrastructure needs and effective technology operations.

Requirements

3–5+ years of experience in systems, network, or infrastructure administration.
Hands-on experience with Windows Server, Active Directory, and Microsoft 365 / Exchange Online.
Experience supporting virtualization platforms such as VMware or Hyper-V.
Working knowledge of network infrastructure, including switches, routers, VPNs, and firewalls.
Experience with patch management, backups, disaster recovery, and software deployment.
Exposure to cloud and hybrid environments.
Strong troubleshooting, communication, documentation, and vendor collaboration skills.
Bachelor’s degree in an IT-related field preferred, or equivalent experience.

Nice To Haves

Experience with scripting or automation tools such as PowerShell.
Bachelor’s degree in an IT-related field.

Responsibilities

Administer and maintain servers, virtual environments, network devices, and cloud platforms.
Configure, deploy, and support hardware, software, and infrastructure services across the enterprise.
Manage user access, permissions, group policies, and account lifecycle processes.
Monitor system health, performance, and uptime; respond to and resolve escalated issues.
Execute and improve patching, backup, replication, and disaster recovery processes.
Support LAN/WAN, VPN, firewall, and connectivity issues for internal and remote users.
Provide advanced Tier 2 troubleshooting for infrastructure, system, and application issues.
Identify automation and standardization opportunities and document repeatable processes.
Partner with vendors and internal stakeholders to implement and support technology solutions.
Support security controls and compliance requirements.