> Markdown version of [/jobs/ext/1228446-it-infrastructure-administration](https://www.wearedevelopers.com/jobs/ext/1228446-it-infrastructure-administration). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT Infrastructure Administration - **Company:** American IT Systems - **Location:** Bolingbrook, IL, United States - **Experience:** Expert - **Salary:** $110,000.0 - $115,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, User Authentication, Backup Devices, Symantec Backup Exec, Blade Servers, Ubuntu (Operating System), CentOS, Cisco Routers, Configuration Management, Dynamic Host Configuration Protocol, Distributed File Systems, Disaster Recovery, Domain Name System (DNS), VMware ESX Servers, HP Proliant, Identity and Access Management, Network Security, Network Troubleshooting, Linux System Administration, Linux Servers, Simple Mail Transfer Protocols, System Center Configuration Manager, Windows Servers, Dell PowerEdge, Red Hat Enterprise Linux, 3par, Server Virtualization, Simple Network Management Protocols, Software Deployment, SQL Databases, TCP/IP, VMware Infrastructure, Virtual Machines, Virtualization Technology, Wide Area Networks, Network Routers, Computer Networking Systems, Data Storage Management, System Availability, Firewalls (Computer Science), Information Technology, Patch Management, Wireless Technologies, Data Management, Veeam, User Accounts - **Published:** July 10, 2026 - **Apply:** https://www.careerjet.com/jobad/us9da5aa273213110ac523e34b97db26a1 ## About the Role * Windows Server Administration (2012/2016/2019/2022) * VMware ESXi and Virtual Infrastructure Management * Active Directory, Group Policies, DNS, DHCP, DFS * HP ProLiant, Blade Systems, MSA, 3PAR Storage * Dell PowerEdge Rack and Blade Servers * Cisco Routers, Switches, Firewalls, and Wireless Technologies * SCCM (Microsoft Configuration Manager) * Veeam Backup & Replication * BackupExec Administration * Endpoint Security and Endpoint Management Solutions * Linux Administration (RHEL, Ubuntu, CentOS preferred) * SQL Database Fundamentals * LAN/WAN Technologies and Network Troubleshooting * TCP/IP, SNMP, SMTP, DNS, DHCP Voice & Communication Systems (Preferred) * Asterisk PBX * 3CX * Shoretel * Nortel * Avaya Telephony Solutions ## Description IT Infrastructure Administration * Configure, administer, and maintain enterprise IT infrastructure, including physical and virtual server environments. * Assemble, deploy, troubleshoot, and support Windows and Linux servers. * Manage server lifecycle activities, including installation, upgrades, patching, and decommissioning. * Ensure high availability, reliability, and optimal performance of infrastructure services. Active Directory & Identity Management * Design, implement, and manage Active Directory environments, including Group Policies, DNS, DHCP, and authentication services. * Administer user accounts, security groups, access controls, and directory services. * Maintain directory security and compliance standards. Virtualization & Storage Management * Manage VMware ESXi infrastructure and virtualization platforms. * Administer enterprise storage systems including HP MSA, 3PAR, and Dell storage solutions. * Monitor and optimize virtual machine performance and resource utilization. Network & Security Administration * Support Cisco networking infrastructure, including routers, switches, firewalls, and wireless technologies. * Troubleshoot LAN, WAN, TCP/IP, DNS, SMTP, SNMP, and DHCP-related issues. * Identify security risks and implement remediation measures. * Participate in disaster recovery planning, testing, and execution. Endpoint & Backup Management * Administer SCCM, Endpoint Management, Veeam Backup, BackupExec, and related enterprise tools. * Manage software deployment, patch management, endpoint security, and backup operations. * Ensure successful backup and restoration processes. Vendor & Service Management * Obtain and evaluate quotations from hardware, software, and service vendors. * Manage third-party support contracts and monitor vendor performance. * Coordinate with suppliers and consultants to deliver infrastructure projects and services. Documentation & Operational Excellence * Create and maintain infrastructure documentation, SOPs, runbooks, and user guides. * Ensure accurate documentation of configurations, procedures, and recovery plans. * Provide timely support for service desk escalations and critical incidents. * Participate in root cause analysis and continuous service improvement initiatives. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Infrastructure as Code: The Developer's Secret Weapon](https://www.wearedevelopers.com/videos/1221-infrastructure-as-code-the-developer-s-secret-weapon) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Debunking the Top 10 Myths about Web 3](https://www.wearedevelopers.com/videos/634-debunking-the-top-10-myths-about-web-3) - [My journey into DevOps world - How it all started!](https://www.wearedevelopers.com/videos/545-my-journey-into-devops-world-how-it-all-started) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know) - [How should you format your IT resume?](https://www.wearedevelopers.com/magazine/68-how-should-you-format-your-it-resume) - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)