Senior Windows Systems Admin — Cloud, VDI & Automation

Cogeco Inc.; City of Rochester (NY); Hybrid; USD 90,000 - 130,000; Full time

Benefits offered by this job

Flexibility

Discounted services

Career evolution

Competitive compensation

Job summary

Breezeline is seeking a Windows Systems Administrator to ensure the availability, performance, and security of our Windows servers, virtualization hosts, and supporting infrastructure across on‑premises and cloud environments. You will balance daily operations with proactive maintenance to meet SLAs and support 24/7 enterprise needs.

The role requires strong Windows/AD server expertise, virtualization experience (VMware/Proxmox), backup and storage proficiency, and automation scripting.

Qualifications

• Bachelor’s degree in Computer Science, IT, Engineering, or related discipline.
• 5+ years in IT Infrastructure Operations with 3+ years in Systems Administration and cloud experience.
• Strong Windows Server administration and Active Directory, DNS, DHCP expertise.
• Experience with virtualization, storage/backup solutions, and HA/DR exercises.
• Proficient in automation scripting and incident management.

Responsibilities

• Administers Windows servers and virtualization hosts across on-prem and cloud locations.
• Manages the company’s VDI infrastructure operations.
• Maintains AD, DNS, DHCP, storage, backup, and monitoring systems.
• Builds scripts for provisioning, operations, and optimization.
• Performs capacity planning and SLA-driven tuning.
• Ensures patch management, disaster recovery, and security standards.
• Supports 24x7 on-call rotations and incident response.
• Collaborates with Operations and Development teams.

Skills

Windows Server

Active Directory/LDAP

Cloud platforms

Scripting (PowerShell, Python)

VDI administration

Security and patching

24x7 on-call

Communication

Education

Bachelor’s degree in Computer Science or related field

Tools

VMware

Proxmox

Veeam

Rubrik

Acronis

NetApp/Isilon/Data Domain

Job description

Breezeline is seeking a Windows Systems Administrator to ensure the availability, performance, and security of our Windows servers, virtualization hosts, and supporting infrastructure across on‑premises and cloud environments. You will balance daily operations with proactive maintenance to meet SLAs and support 24/7 enterprise needs.

The role requires strong Windows/AD server expertise, virtualization experience (VMware/Proxmox), backup and storage proficiency, and automation scripting.