IT Infrastructure Lead: Systems, Networking & Security

Keystone Distinction Group; Lancaster (SC); On-site; USD 65,000 - 90,000; Full time

Job summary

Keystone Distinction Group is seeking an IT Infrastructure Administrator to maintain enterprise server and networking systems, including Windows AD, Office 365, and virtualization environments, ensuring reliable operation and security.

The role requires hands-on experience with Cisco routing/switching, VMware, and administering on-premises and cloud-based services, plus proactive problem solving and clear documentation for disaster recovery and capacity planning.

Qualifications

• 3–5 years hands-on experience with Cisco routing/switching, wireless networks, IP, and WAN maintenance.
• Experience with Windows Server OS 2016 to current, AD, DNS/DHCP, GPOs, and backups.
• Experience with anti-virus, endpoint security, and on-premises and cloud hosted systems.

Responsibilities

• Administer and maintain systems and networking for servers and software; troubleshoot and resolve problems.
• Apply security protocols to protect server and networking systems.
• Perform systems administration for Windows AD, O365, patches, and backups.
• Manage Cisco switches/routers and firewall appliances; monitor performance.
• Document environments for disaster recovery and provide project updates.

Skills

Cisco networking

Windows Server

Active Directory

Office 365

VMware virtualization

Security practices

DNS/DHCP

RAID storage

Education

Associate degree in Computer Science or equivalent

Industry certifications (MCSE, Azure, Network+)

Tools

VMware

Microsoft Exchange

Office 365 admin tools

Job description

Keystone Distinction Group is seeking an IT Infrastructure Administrator to maintain enterprise server and networking systems, including Windows AD, Office 365, and virtualization environments, ensuring reliable operation and security.

The role requires hands-on experience with Cisco routing/switching, VMware, and administering on-premises and cloud-based services, plus proactive problem solving and clear documentation for disaster recovery and capacity planning.