Overview

Title Systems Administrator Department Information Technology (IT) Reports to Information Technology Manager SEE YOUR CAREER THROUGH A NEW LENS WITH RPO!RPO is a global leader in precision optics, optical components, and optical assemblies. We specialize in a full spectrum of products & services including - Design and Engineering, Systems Integration, Lens Assembly, Visible and Infrared Components, Glass and Plastic Molded Aspheres, and Thin Film Coating. As one of the fastest growing companies in Rochester, RPO offers exciting career paths and work on market-leading programs. See below one of many career opportunities to join the RPO team! Position OverviewRochester Precision Optics LLC. (RPO) is seeking an experienced Systems Administrator to support the day-to-day operation, stability, and continuous improvement of our enterprise infrastructure supporting approximately 300 users across both corporate and manufacturing operations. Our environment relies on someone who can confidently administer Windows Server, Active Directory, virtualization, and Microsoft 365 while also supporting the network infrastructure that connects it all. The ideal candidate has a strong systems administration foundation with hands-on experience supporting enterprise networking, including switches, firewalls, VLANs, VPNs, and wireless technologies.Working closely with the IT Manager, you'll play a key role in maintaining a secure, reliable, and high-performing IT environment while contributing to infrastructure modernization, cybersecurity initiatives, and strategic technology projects. This is an opportunity for someone who enjoys solving complex infrastructure challenges, takes ownership of their work, and wants to make a measurable impact across the organization.Key Responsibilities:Systems Administration & Infrastructure ManagementAdminister and maintain Windows Server environments, Active Directory, Group Policy, DNS, DHCP, and core Microsoft infrastructure services. Support VMware or Hyper-V virtualization environments, server resources, storage systems, and enterprise backup solutions. Perform system maintenance including patching, upgrades, configuration changes, and troubleshooting. Support Microsoft 365 services including Exchange Online, Teams, and Entra ID. Maintain infrastructure documentation, system standards, and technical procedures. Network Infrastructure SupportSupport enterprise network infrastructure including switches, firewalls, VPNs, and wireless networks. Troubleshoot VLANs, routing, subnetting, network connectivity, and security controls. Assist with network upgrades, infrastructure expansion projects, and technology improvements. Support network-connected systems including VoIP, security systems, and other enterprise technologies. Security & Operational SupportAssist with infrastructure security initiatives, including system hardening, vulnerability remediation, and cybersecurity best practices. Assist with compliance initiatives related to NIST 800-171 and CMMC 2.0. Serve as a Tier II/Tier III escalation resource for complex systems and infrastructure issues. Partner with the IT Manager on infrastructure projects, technology improvements, and long-term planning.Knowledge, Skills, and Abilities:Bachelor's degree in information technology, Computer Science, or a related field preferred, or equivalent combination of education and hands-on experience. 4+ years of experience supporting enterprise IT infrastructure in a Systems Administrator, Infrastructure Administrator, Network Administrator, or similar role. Strong experience administering Windows Server environments, Active Directory, Group Policy, DNS, and DHCP. Experience supporting Microsoft 365 environments, including Exchange Online, Teams, and Entra ID. Experience supporting virtualization platforms such as VMware or Hyper-V. Experience administering and troubleshooting enterprise network infrastructure, including switches, VLANs, firewalls, VPNs, and wireless technol