Administrator, Systems

Cogeco•Waterford, CT

14d•$80,600 - $133,000•Hybrid

About The Position

The Windows Systems Administrator is responsible for the continuous availability, performance, and security of corporate IT Windows servers, virtualization platforms, and supporting infrastructure across on-premises and cloud environments. The role balances day-to-day operational support with proactive maintenance to uphold strict service level agreements, optimize user performance, and sustain a resilient 24/7 enterprise infrastructure. The position administers Windows servers and virtualization hosts across physical and cloud locations, operates the VDI infrastructure, and supports server, storage, backup, monitoring, and recovery systems. It also involves automation, capacity planning, patching, security, disaster recovery, incident response, and support for Operations and Application Development teams.

Requirements

Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related discipline, or an equivalent combination of education, relevant professional training, and hands-on experience.
At least 5 years of experience in IT Infrastructure Operations, including a minimum of 3 years in a Systems Administration position and experience with public clouds (GCP, Azure, AWS, or OCI).
Advanced proficiency installing, configuring, administering, and troubleshooting the Windows server ecosystem, including Windows Server Base OS, Windows Features & Functions, Active Directory & LDAP, DNS, and DHCP.
Advanced proficiency with federated identity systems via Active Directory, LDAP, and cloud providers such as OKTA, AAD, and Google Workspace.
Experience with platforms such as VMware and Proxmox, alongside enterprise storage and backup solutions such as Veeam, Rubrik, Acronis, NetApp, Isilon, and Data Domain.
Proven background in OS hardening, auditing, High Availability (HA) cluster configuration, and Disaster Recovery (DR) exercises.
Experience in incident management, monitoring/telemetry tooling, process documentation, and handling unplanned outages.
Availability for 24x7 rotational on-call duties.
Ability to work in a constantly changing, fast-paced environment.
Strong analytical skills, customer/business orientation, and excellent written and spoken English.
Must lift and carry server equipment and boxes weighing up to 20 lbs.

Nice To Haves

French bilingualism.
Experience with Linux servers and LDAP/Active Directory; RHEL-based distributions are preferred.
Ability to troubleshoot Linux servers.
Comprehensive understanding of IT architecture, cloud technologies, applications, network infrastructure, and security.
Experience with automation technologies and advanced scripting, including PowerShell, Python, BASH, Ansible, Git, and Bitbucket.
Experience operating in an agile environment using Jira (scrum/kanban/mvp).
Process definition and improvement expertise.
Containerization experience, such as Docker and Kubernetes (GKE).

Responsibilities

Administer company IT Windows servers and virtualization hosts across physical and cloud locations.
Administer ongoing operation of the company’s VDI infrastructure.
Install, administer, and troubleshoot Windows, Active Directory, DNS, and DHCP servers.
Maintain, administer, and troubleshoot storage infrastructure, virtualization platforms, and backup software.
Install, administer, troubleshoot, and maintain IT server infrastructure monitoring platforms.
Build and maintain automation scripts for provisioning, operations, and system optimization.
Perform capacity planning, server tuning, and optimization to ensure maximum uptime in accordance with established SLAs.
Apply security standards and ensure correct patching levels and configurations in accordance with system patch management policies.
Maintain and adhere to the disaster recovery plan for the corporate Windows infrastructure.
Implement and monitor daily backup and recovery operations using enterprise backup software.
Monitor and respond to hardware and software alarms using appropriate diagnostic tools.
Provide system and application support to Operations and Application Development teams.
Support IT operations, including incident, change, and problem management processes.
Deliver service to internal and external stakeholders to fulfill corporate objectives.
Fulfill additional duties and project tasks as assigned.