Senior Windows Server Administrator Jobs in Rochester, NY

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 Overview

Rochester 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 Management

• 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. 
• Maintain infrastructure documentation, system standards, and technical procedures. 

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. 
• 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 technologies. 
• Experience supporting enterprise backup solutions, such as Veeam, and disaster recovery. 
• Familiarity with endpoint management, software deployment, and security tools. 
• Strong troubleshooting and problem-solving skills with the ability to independently diagnose and resolve complex technical issues. 
• Ability to effectively communicate technical information and collaborate with both technical and non-technical teams. 

Preferred Qualifications

• 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. 
• PowerShell scripting or automation experience. 
• 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!

Additional Requirements: 

Pursuant to ITAR, EAR, and other export compliance laws and regulations, applicants for this position must be U.S. Persons as defined by U.S. law, i.e., U.S. citizens, lawful permanent residents ("Green Card" holders), persons granted refugee status or asylum status in the United States, or temporary residents granted amnesty.

Compensation & Benefits:

• 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 

Work Requirements & Physical Demands:

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.

Physical requirements may include:

• 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.

Disclaimer:

This job description reflects management’s assignment of essential functions; it does not prescribe or restrict the tasks that may be assigned. The above statements are intended to describe the general nature and level of work being performed by people assigned to this classification. They are not to be construed as an exhaustive list of all responsibilities, duties, and skills required of personnel so classified. All personnel may be required to perform duties outside of their normal responsibilities from time to time, as needed.

Rochester Precision Optics is committed to leveraging the talent of a diverse workforce to create great opportunities for our business and our people.

EOE/AA/Race/Gender/Disability/Veteran