IT Infrastructure Manager

Twenty80 LLC; Lancaster (SC); On-site; USD 65,000 - 90,000; Full time

Job summary

Twenty80 LLC is seeking an IT Infrastructure Administrator to support and maintain enterprise IT infrastructure. You will manage servers, networks, cloud platforms, virtualization, and core business systems to ensure reliability, security, and performance.

Relocation assistance is available. The role emphasizes automation, project participation, and collaboration with Sys Admins, Network Admins, and users to drive infrastructure improvements.

Qualifications

• Associate or higher with related field or experience.
• 3–5 years in systems or network administration.
• Experience with Windows Server, AD, M365, Exchange, DNS/DHCP, and GP.
• Experience with Cisco networking and firewall technologies.
• Experience with VMware or similar virtualization platforms.
• Knowledge of security practices, backups, disaster recovery, and data protection.
• Strong troubleshooting across server, network, and infrastructure environments.
• Ability to manage multiple priorities independently and in teams.
• Strong written and verbal communication skills.

Responsibilities

• Administer, maintain, and troubleshoot enterprise servers, networks, and infrastructure.
• Manage Windows Server environments, AD, M365, Exchange, DNS, DHCP, and Group Policy.
• Configure and support Cisco networking infrastructure, including switches, routers, WAPs, and firewalls.
• Maintain virtualization environments, including VMware, ensuring reliable virtual servers.
• Install, upgrade, and integrate server and networking hardware, software, and infra components.
• Monitor performance, identify issues, and implement solutions for reliability and availability.
• Develop and maintain disaster recovery and infrastructure documentation.
• Collaborate with IT teams and business users on infra improvements.
• Support capacity planning, storage management, and overall performance.
• Implement security best practices, endpoint protection, SSO, and access management.
• Audit user access across on-prem and cloud environments.
• Automate routine infra tasks and participate in projects from planning to implementation.
• Provide technical documentation and recommendations for upgrades.

Skills

Troubleshooting

Independent work

Team collaboration

Written and verbal communication

Education

Associate degree in Computer Science or related field

Bachelor's degree preferred

Certifications encouraged (MCSE, CCNA, VMware etc.)

Tools

Windows Server

Active Directory

Microsoft 365

Exchange

DNS/DHCP/GP

Cisco networking (switches, routers, firewall)

VMware virtualization

Job description

Role Summary

Our client is seeking an IT Infrastructure Administrator to support and maintain enterprise IT infrastructure, including servers, networks, cloud platforms, virtualization, and core business systems.

This role is responsible for the installation, configuration, maintenance, and optimization of server and network environments while ensuring system reliability, security, and performance. The position also supports infrastructure projects, research emerging technologies, implements automation initiatives, and collaborates with cross-functional IT teams to meet evolving business needs.

Relocation assistance is available.

Key Responsibilities

• Administer, maintain, and troubleshoot enterprise server, network, hardware, software, and infrastructure systems.
• Manage Windows Server environments, Active Directory, Microsoft 365, Exchange, DNS, DHCP, Group Policy, software updates, antivirus, backups, and cloud-hosted systems.
• Configure and support Cisco networking infrastructure, including switches, routers, wireless access points, and firewall appliances.
• Maintain virtualization environments, including VMware, and ensure reliable operation of virtual servers.
• Install, upgrade, and integrate server and networking hardware, software, and infrastructure components.
• Monitor system performance, identify issues, and implement solutions to optimize reliability and availability.
• Develop and maintain disaster recovery documentation and infrastructure documentation.
• Collaborate with systems administrators, network administrators, help desk staff, and business users on infrastructure improvements and support initiatives.
• Support infrastructure capacity planning, storage management, and overall system performance.
• Implement security best practices, endpoint protection, access management, and authentication solutions, including Single Sign-On (SSO).
• Audit user access across on-premises and cloud environments to maintain security and compliance.
• Automate routine infrastructure administration tasks to improve operational efficiency.
• Participate in infrastructure projects from planning through implementation while providing regular project updates.
• Support enterprise technology integration initiatives that improve business operations.
• Provide technical documentation, recommendations, and support for infrastructure upgrades and new technology implementations.

Required Qualifications

• Associate degree in Computer Science or related field (bachelor\'s degree preferred), or equivalent combination of education, certifications, and experience.
• 3–5 years of hands-on experience as a Systems Administrator, Network Administrator, or similar infrastructure role.
• Experience administering Microsoft Windows Server (2016 or newer), Active Directory, Microsoft 365, Exchange, DNS, DHCP, and Group Policy.
• Experience managing Cisco networking environments, including routing, switching, wireless networking, LAN/WAN, and firewall technologies.
• Experience with VMware or similar virtualization platforms.
• Knowledge of enterprise security practices, endpoint protection, backup solutions, disaster recovery, and data protection.
• Experience installing, upgrading, and supporting enterprise server and network hardware.
• Strong troubleshooting and problem-solving skills across server, network, and infrastructure environments.
• Ability to manage multiple priorities while working independently and collaboratively within an IT team.
• Strong written and verbal communication skills.

Preferred Qualifications

• Bachelor's degree in computer science, Information Technology, or related field.
• Industry certifications such as Microsoft Certified Solutions Expert (MCSE), Azure Administrator Associate, VMware Certified Professional (VCP), CompTIA Network+, Server+, A+, CCNA, or CCNP.
• Experience with enterprise IP telephony systems.
• Experience implementing automation within infrastructure administration.
• Knowledge of identity management, authentication technologies, and Single Sign-On (SSO).
• Experience evaluating infrastructure solutions, performing cost analysis, and supporting enterprise technology planning.
• Experience deploying enterprise infrastructure solutions in production environments.

Work Environment

• On-site position.
• Occasional movement throughout office, production, or operational facilities may be required to support infrastructure.
• Ability to lift and transport IT equipment weighing up to 25 pounds.
• Regular attendance is required.