CyberSecurity/SysAdmin

Systems Administrator
Information Technology (IT)
Information Technology Manager
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. 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. Administer 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.
Network Infrastructure Support
Support 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 Support
Assist with infrastructure security initiatives, including system hardening, vulnerability remediation, and cybersecurity best practices.
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.
Bachelors 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 technologies.
Experience supporting enterprise backup solutions, such as Veeam, and disaster recovery.
Familiarity with endpoint management, software deployment, and security tools.
Experience with cybersecurity frameworks or compliance requirements such as NIST 800-171 or CMMC.
Experience with Microsoft Intune, Endpoint Central, or similar endpoint management platforms.
Experience supporting ERP systems, SQL Server environments, or other business-critical applications.
Industry certifications such as Network+, Security+, Microsoft, VMware, or Cisco certifications are a plus!
S. citizens, lawful permanent residents ("Green Card" holders), persons granted refugee status or asylum status in the United States, or temporary residents granted amnesty.
Competitive compensation package linked to your experience and performance. 401(k) with company match and Tuition Reimbursement opportunities. Health, dental, vision, HSA, & life insurance. Paid time off including vacation, sick time, and 11 paid company holidays
This is an on-site, hands-on IT role supporting both corporate office and manufacturing operations. The Systems Administrator will work in a collaborative environment where technology directly supports critical business and production processes. The role requires regular interaction with computer systems, servers, network equipment, and end-user technology across the organization. Occasional movement throughout the facility may be required to support infrastructure, troubleshoot equipment, and assist with technology deployments. Ability to sit, stand, and work at a computer for extended periods. Ability to walk throughout office and manufacturing areas. Ability to lift, carry, and install IT equipment such as computers, monitors, networking equipment, and related hardware (typically up to 50 lbs.). Ability to work in both office and manufacturing environments while following applicable safety requirements. Occasional after-hours support may be required for scheduled maintenance, upgrades, or critical infrastructure issues.
EOE/AA/Race/Gender/Disability/Veteran In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States, and to complete This is a full-time, on-site position based at our West Henrietta, NY facility. The standard work schedule is Monday through Friday, 7:00 AM to 3:30 PM. Participation in an occasional rotating on-call schedule is required to provide after-hours support for critical infrastructure issues, planned maintenance, and emergency response as needed.