System & Network Administrator

Title

System & Network Administrator

Department

Information Technology

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 Overview:

Rochester Precision Optics, LLC is seeking a Systems & Network Administrator to support and operate the company’s core IT infrastructure within a regulated manufacturing environment. This role is responsible for the administration and operational stability of server, network, cloud, and enterprise infrastructure platforms supporting approximately 300 users across corporate and manufacturing operations. The Systems & Network Administrator works closely with the IT Manager to maintain a secure, reliable, and compliant infrastructure, including implementation of technical controls aligned with NIST 800-171 and CMMC 2.0 requirements.

This is a hands-on role where the successful candidate will take ownership of infrastructure operations, contribute to the ongoing improvement and modernization of the organization’s infrastructure platforms, and serve as an escalation resource for complex technical issues.

Key Responsibilities:

Infrastructure & Systems Administration

• Administer and maintain Windows Server environments and enterprise infrastructure systems
• Manage Active Directory, DNS, DHCP, Group Policy, and identity infrastructure
• Support virtualization platforms such as VMware or Hyper-V
• Provision and maintain virtual machines and server resources
• Monitor infrastructure performance, system capacity, and service availability
• Perform patch management and security updates for servers and infrastructure systems
• Maintain file services, storage systems, and system health monitoring
• Administer enterprise backup platforms and validate backup integrity through periodic recovery testing
• Administer enterprise software deployment platforms including PDQ Deploy and related deployment tooling
• Create and maintain standardized software deployment packages for enterprise applications and operating system updates
• Coordinate controlled rollout of software updates and application upgrades across managed systems
• Maintain infrastructure documentation including system configuration standards and architecture diagrams

Network Infrastructure Administration

• Maintain & support network infrastructure including switches, firewalls, VPN, and wireless networks
• Configure and support VLANs, routing, and subnetting
• Configure and maintain firewall policies, access rules, and network security controls
• Maintain network authentication systems supporting secure wired and wireless access
• Support VoIP and network-connected infrastructure including cameras and related technologies
• Maintain and troubleshoot DNS, DHCP, routing, and other core network services
• Support structured cabling, patch panel management, and infrastructure expansion projects
• Maintain network diagrams, segmentation documentation, and infrastructure configuration records

Microsoft 365 GCC High Administration

• Administer Microsoft 365 GCC High tenant services including Exchange Online, Microsoft Teams, and Entra
• Configure and maintain Conditional Access policies and secure authentication configurations
• Support identity lifecycle integration between on-premises Active Directory and Entra
• Provide Tier 2/3 escalation support for advanced Exchange Online and Teams issues
• Assist with Microsoft Purview administration including eDiscovery searches, retention policies, and litigation hold support
• Maintain secure messaging and collaboration configurations aligned with regulatory requirements

Endpoint & Mobile Device Management Platform Administration

• Administer enterprise device management platforms including Microsoft Intune and Endpoint Central
• Configure and maintain device enrollment policies, compliance policies, and security baselines
• Integrate device compliance enforcement with Conditional Access authentication policies
• Provide Tier 3 escalation support for complex endpoint and mobile device management issues
• Support device security posture aligned with organizational security and compliance requirements

Enterprise Infrastructure Platforms

• Maintain backend infrastructure supporting enterprise applications including ERP, SQL Server, and File Maker hosting environments
• Support infrastructure stability for unified communications platforms such as 3CX VoIP
• Maintain backend infrastructure supporting physical security platforms including badge access control and video surveillance systems
• Maintain infrastructure supporting enterprise print services and related systems
• Support…