IT Infrastructure Engineer
About The Position
The IT Infrastructure Engineer designs, builds, and supports the infrastructure behind Crenlo’s plants in Watertown, South Dakota; Rochester, Minnesota; and Greeneville, Tennessee, as well as the corporate office in Bentonville, Arkansas. The role owns systems including VMware, Windows Server, Linux, Microsoft 365, backup, and datacenter operations. It also serves as the next-level resource for network escalation, design, engineering, and implementation, while the Network Administrator handles day-to-day network operations. Production depends on this infrastructure, making uptime, security, and fast recovery central priorities. The position reports to the IT Operations Manager and works closely with the helpdesk and Network Administration. The successful candidate is comfortable in manufacturing environments, can explain technical issues clearly, troubleshoots to root cause, and maintains thorough documentation. The position is based in Bentonville, Arkansas, with up to 20% travel between Crenlo facilities. It includes an on-call rotation and required after-hours maintenance, exposure to manufacturing-floor environments, and the ability to lift equipment weighing up to 50 pounds.
Requirements
- Bachelor’s degree in IT, Computer Science, or a related field, or equivalent experience.
- At least 5 years of hands-on infrastructure experience covering both systems and networking.
- Hands-on VMware vSphere/ESXi administration experience.
- Strong Windows Server, Active Directory, and Microsoft 365/Entra ID administration skills.
- Linux administration experience with RHEL, Ubuntu, or similar, and PowerShell/Bash scripting skills.
- Veeam or comparable backup experience, including restores and disaster recovery testing.
- Solid networking fundamentals, including TCP/IP, routing, switching, VLANs, DNS, DHCP, and VPN.
- Datacenter operations experience with servers, storage, power, and cabling.
- Ability to lift equipment weighing up to 50 pounds.
Nice To Haves
- Manufacturing or industrial experience, including OT networks, PLCs, or SCADA.
- Hands-on experience with Fortinet firewalls and SD-WAN.
- Enterprise wireless and switching experience with Ubiquiti UniFi or a comparable platform.
- Certifications such as VCP-DCV, Fortinet FCP/NSE, CCNA, Veeam VMCE, Microsoft 365/Azure administrator, or RHCSA.
- Datacenter migration or colocation experience.
- ITSM experience, preferably Freshservice, and familiarity with NIST CSF or CIS Controls.
- Experience using AI tools such as Claude to speed up scripting, documentation, and troubleshooting.
Responsibilities
- Administer VMware vSphere/ESXi, including host builds, capacity planning, and patching.
- Maintain Windows Server, Active Directory, Group Policy, DNS, and DHCP.
- Maintain Linux servers, including RHEL and Ubuntu, and SQL Server hosts used by business applications.
- Administer Microsoft 365 and Entra ID, including Exchange Online, Teams, SharePoint, and licensing.
- Automate routine work with PowerShell and Bash.
- Own Veeam backup and replication, including restore testing and offsite and immutable copies.
- Build and test disaster recovery plans for production-critical systems.
- Run datacenter operations, including power, cabling, storage capacity, and hardware lifecycle; support consolidation and colocation moves.
- Design and implement network infrastructure across all sites, including Fortinet firewalls, SD-WAN, Dell core switching, and Ubiquiti UniFi firewalls, switching, and wireless.
- Set network standards and design segmentation that separates production equipment, industrial controls, and IoT devices from business networks.
- Plan wireless for offices and production floors, and lead SD-WAN and WAN changes with carriers.
- Hand off completed network builds to the Network Administrator with documentation and provide backup coverage when needed.
- Work with IT Security on firewall policy, access controls, and incident response.
- Serve as the Tier 3 escalation point for the helpdesk, address root causes, and share fixes to help resolve more issues at first contact.
- Coordinate priorities, maintenance windows, and change control with the IT Operations Manager and IT team.
- Lead infrastructure projects from design through cutover.
- Manage infrastructure vendors and carriers to their SLAs, and provide input on purchases and capital planning.
- Keep diagrams, configurations, runbooks, and SOPs current.
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
