Systems Administrator III

Description

Systems Administrator III

Location: Cedar Rapids (Corporate Office)
Department: Information Technology
Employment Type: Full-Time

Connect Communities. Grow Your Career. Make an Impact.

At ImOn Communications, we’re more than a technology provider, we’re a team of people passionate about keeping our community connected. As a Systems Administrator III you will serve as a senior technical resource with broad expertise across infrastructure platforms and deep proficiency in server, storage, network, and security systems. This role is responsible for the design, implementation, optimization, and maintenance of enterprise IT infrastructure to ensure the performance, availability, and security of business-critical applications.

In addition to hands‑on technical work, this position provides escalation support, contributes to project planning, and mentors junior team members.

• Design, implement, and manage desktop, server, network, and storage platforms to ensure system efficiency, reliability, and scalability.
• Integrate and support enterprise servers, including database, e-mail, print, backup, and application systems.
• Design, deploy, and maintain physical, virtual, and cloud‑based infrastructure (e.g., VMware, Azure), including vendor‑supplied patches and lifecycle management.
• Utilize and administer deployment tools for system imaging, software distribution, and patch management.
• Administer enterprise identity and access management systems, including Active Directory, group policies, MFA, and SSO integrations.
• Design, test, and maintain backup and disaster recovery procedures to ensure data integrity and business continuity.
• Ensure infrastructure compliance with internal security policies and industry regulations; participate in audits and risk mitigation efforts.
• Support service desk ticket handling, assist with prioritization, and provide advanced troubleshooting and root cause analysis.
• Document infrastructure procedures, troubleshooting guides, and known issues in knowledge management systems.
• Lead strategic planning for infrastructure systems, including roadmaps, upgrades, and capacity forecasts.
• Prepare and manage capital and operational budgets for infrastructure technologies, licenses, and support contracts.
• Lead and influence technical direction across enterprise infrastructure by contributing to standards, policies, and long‑term vision.

• Associate’s Degree in Computer Science, Information Systems, or a related field.
• Minimum of 6 years of progressively responsible experience in a senior IT infrastructure or system administration role, with direct oversight of server, network, storage, and security systems.
• Advanced expertise with server technologies including Operating Systems (Windows, Linux), physical and virtual server environments (VMWare), Active Directory, Group Policy, DNS, DHCP, and authentication services.
• Strong experience with Microsoft 365 services including Exchange Online, Teams, SharePoint Online, and Azure AD.
• In‑depth understanding of network infrastructure including TCP/IP networking, VLANs, routing, switching, wireless technologies, firewall configuration, access control lists (ACLs), VPNs, and network segmentation.
• Hands‑on experience with enterprise storage and backup technologies, including SAN/NAS, data replication, snapshots, and tools like Veeam.
• Scripting proficiency with Power Shell and/or shell scripting for automation of administrative tasks, reporting, and system provisioning.
• Advanced expertise with hybrid and cloud infrastructure, including Microsoft Azure services such as Azure AD, Virtual Machines, Site Recovery, Virtual Networks, and role‑based access control (RBAC).
• Demonstrated ability to lead technical projects and collaborate across departments to support business objectives.
• Experience maintaining system monitoring and alerting platforms, tuning them for optimal visibility and performance (e.g. New Relic, Zabbix, Application Insights).
• Extensive experience installing, configuring, and maintaining all manner of server hardware and associated network equipment, including RAID, SCSI, and I/O topologies.
• Deep understanding…