Infrastructure Administrator - OT Systems

About the Role

The Infrastructure Administrator plays a critical role in the design, implementation, configuration, and support of the organization’s IT infrastructure, with a focus on network system and server systems. This role requires advanced technical expertise, independent problem-solving, and active participation in infrastructure planning and project execution. It supports the stability, performance, and security of network and server systems while collaborating with senior IT staff and leadership.

Responsibilities

• Design, configure, and maintain enterprise network infrastructure, including LAN, WLAN, WAN, firewalls, switches, and VPNs.
• Lead or co-lead infrastructure initiatives such as network redesigns, system migrations, and hardware upgrades.
• Monitor and analyze network performance, proactively identifying and resolving issues to ensure high availability and reliability.
• Implement and maintain network security measures, including firewall configurations, access controls, and patch management.
• Support and maintain Windows Server environments and VMware virtualization platforms.
• Administer core infrastructure services such as DNS, DHCP, and Active Directory.
• Develop and maintain detailed documentation for network configurations, procedures, and system architecture.
• Provide Tier III support for escalated technical issues, exercising independent judgment in troubleshooting and resolution.
• Collaborate with IT leadership on infrastructure planning and contribute to long-term technology strategies.
• Participate in a rotating on-call schedule and respond to critical incidents as needed.

Requirements

• 5+ years of progressive experience in network and systems administration in an enterprise IT environment.
• Demonstrated experience with enterprise networking technologies and virtualization platforms.
• Experience with network monitoring and diagnostic tools.
• Familiarity with cloud networking and hybrid infrastructure is a plus.
• Bachelor’s degree in information technology, Computer Networking, or a related field; equivalent experience will be considered.
• Industry certifications such as Cisco CCNA/CCNP, CompTIA Network+, or VMware VCP are preferred.

Skills

• Advanced knowledge of network protocols and services (TCP/IP, VLANs, VPNs, DNS, DHCP).
• Strong troubleshooting and diagnostic skills across networking, virtualization, and server systems.
• Ability to work independently, prioritize tasks, and make decisions with minimal supervision.
• Excellent communication and documentation skills, with the ability to convey technical information clearly.
• Strong collaboration skills and the ability to contribute to cross-functional project teams.
• Commitment to continuous learning and staying current with emerging technologies and best practices.
• Must consistently embody the company’s core values: demonstrate great moral character, give your very best, empower team members, innovate and push boundaries, promote a safe, respectful environment.

Work Environment

• Work is performed in both climate-controlled office settings and manufacturing environments, which may include exposure to noise.
• Must be able to lift and adjust equipment weighing up to 50 lbs.
• Use of personal protective equipment (PPE) is required.
• Evening and weekend work may be necessary based on operational needs.