Niagara Falls • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Niagara Falls • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Niagara Falls • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Niagara Falls • 50 milesRemote · Hybrid · Onsite · Field · All Environments
48 windows system administrator jobs at 45 companies in Niagara Falls, NY
5d
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Sr. Windows System Administrator (Email Server)
Waterloo or Mississauga or Richmond Hill
$82k-$122k/yr OnsiteFull Time
10+ YOERequires 10+ years of Windows server management, a bachelor's degree in Information Systems or equivalent experience, and expertise in enterprise infrastructure, email systems, virtualization, Azure, and cybersecurity.
SMTP, Hyper-V, Azure, Microsoft Exchange, SCOM, Virtual Machine Manager, IIS, Octopus, F5, Ansible, DNS, Active Directory, TLS, Microsoft SQL, Linux
1d
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System Administrator, Senior Associate
Buffalo, New York, United States
$85k-$100k/yr HybridFull Time
3+ YOEBachelor’s degree or equivalent experience, 3+ years of enterprise system administration or infrastructure support, Microsoft technology expertise, networking knowledge, PowerShell, troubleshooting, and strong communication skills.
Microsoft Azure, Microsoft 365, Microsoft Active Directory, Microsoft Entra ID, Windows Server, DNS, DHCP, TCP/IP, VLANs, PowerShell, CompTIA A+, CompTIA Network+, CompTIA Security+, AZ-900, AZ-802, MS-102, VMware vSphere, Hyper-V, Microsoft Intune, Azure AD, RBAC, Data Loss Prevention (DLP)
3w
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Pure Storage and VMware ESX System Administrator
Toronto or Calgary or Vancouver or Halifax or Ottawa or Montreal or Quebec City or Saguenay
$65k-$115k/yr OnsiteFull Time
5+ YOE5+ years system administration experience with Pure Storage and VMware ESXi, SAN/NAS, Fibre Channel/iSCSI, Windows/Linux proficiency, backup/DR planning, and strong troubleshooting skills.
Pure Storage FlashArray, Pure Storage FlashBlade, VMware ESXi, vCenter, SAN, NAS, Fibre Channel, iSCSI, Windows, Linux
5d
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Windows Patching Lead
Toronto, Ontario, Canada
$60k-$85k/yr HybridFull Time
10+ YOE4+ Mgmt10+ years Windows administration and patching experience, 4+ years as a tower or pod lead. Requires ITIL 4 Foundation, English, and expertise with SCCM/MECM, WSUS, Intune, Tanium, PowerShell, and Windows systems.
Windows Server 2016–2025, Windows 10/11, Active Directory, Group Policy (GPO), SCCM/MECM, WSUS, Microsoft Intune, Tanium, Windows Update for Business, BigFix, PowerShell, Ansible, Task Scheduler, WMI/CIM, ServiceNow, Tenable, Qualys, Splunk, Dynatrace, Moogsoft, Windows Event Log, VMware, Hyper-V, Azure, Citrix, VMware Horizon
1w
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Senior System Administrator
Toronto, Ontario, Canada
$85k-$100k/yr FieldFull Time
5+ YOE5+ years of multi-site or enterprise IT infrastructure experience, L3 troubleshooting, production change management, technical mentoring, and enterprise Windows, virtualization, networking, endpoint, backup, and security skills.
Proxmox, VMware, Nutanix, Windows Server, Active Directory, Entra ID, VMware ESXi, Proxmox VE, VLANs, DNS, DHCP, ERP, Radius, LabelTraxx
6d
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System Admin - On-prem & Cloud (AWS & Azure)
Toronto, Ontario, Canada
$62k-$114k/yr OnsiteFull Time
Requires hands-on AWS and Microsoft Azure administration, Linux and Windows Server expertise, infrastructure as code, automation, middleware, containers, CI/CD, troubleshooting, security remediation, and strong analytical and communication skills.
AWS, Microsoft Azure, Linux, RedHat, Windows Server, CDK, CDKTF, Ansible, CloudFormation, IIS, Apache, Tomcat, WebSphere, Bash, PowerShell, Python, AKS, EKS, GitHub, GitHub Actions, Azure DevOps, DynaTrace, CloudWatch, Azure Monitor, Rubrik, AVAMAR, TSM
1mo
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IT - Systems Administrator
Montreal or Toronto or Baie D'urfe or Philadelphia
HybridFull Time
6+ YOE6+ years systems administration experience with 4+ years operating Microsoft Azure; strong Windows Server and Active Directory skills, networking fundamentals, Microsoft 365 administration, PowerShell scripting, and log-driven troubleshooting.
Windows Server, Active Directory, DNS, DHCP, Microsoft Azure, Entra, Entra Connect, Azure Monitor, Log Analytics, Microsoft 365, Exchange Online, SharePoint, Teams, PowerShell, Cloudflare, SQL
1mo
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IT Administrator
Mississauga, Ontario, Canada
$55k-$75k/yr OnsiteFull Time
3+ YOE3–5+ years IT support or systems administration experience; Windows and Active Directory proficiency; networking fundamentals; cybersecurity best practices; post-secondary IT education or equivalent; relevant certifications are an asset.
Windows, Active Directory, VPN, Wi-Fi, firewalls, MFA, endpoint protection
2d
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STORE OPERATIONS ADMINISTRATOR
Amherst, New York, United States
$19-$21/hr OnsiteFull Time
Customer service and problem-resolution skills, organization, communication, English literacy, valid driver's license with safe record, and proficiency with Windows software, Word, Excel, and Bassett systems.
Microsoft Windows, Microsoft Word, Microsoft Excel
1mo
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IT Administrator
Etobicoke or Mississauga
$70k-$110k/yr OnsiteFull Time
3+ YOECollege diploma or university degree; 3+ years systems administration across multi-site environments; Windows Server, VMware/ESXi, backups, DR/BCP, networking, Microsoft 365/Azure, ERP/MES/PLC/IT‑OT experience, and strong documentation skills.
Windows Server, VMware/ESXi, Microsoft 365, Azure, Odoo, FreshService, SolarWinds, ITSM, MES, PLC, OT, IT/OT
10h
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Systems Administrator
Buffalo, New York, United States
$73k-$83k/yr OnsiteFull Time
2+ YOEBachelor's degree in a computer systems field or equivalent IT experience; 2+ years administering VMware and/or Windows Server; knowledge of Active Directory, DNS, DHCP, Office 365, backup, and virtual EUC platforms.
VMware, Windows Server, Microsoft Active Directory, DNS, DHCP, VRTX, VxRail, Microsoft Office 365, vSAN, Veeam, Citrix XenApp, VDI, RDP, Dell Compellent, NetApp, EMC, Morpheus, Lotus Domino, PRTG, Nagios, Splunk
2d
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Intermediate Systems Administrator (Information Technology)
Etobicoke, Ontario, Canada
$75k-$100k/yr HybridFull Time
3+ YOE3+ years in systems administration, infrastructure support, or IT operations; Windows Server, Microsoft 365, Active Directory, networking, troubleshooting, and PowerShell experience. IT or computer science education required.
Windows Server, Active Directory, Entra ID (Azure AD), Microsoft 365, Azure, AWS, Nutanix, Veeam Backup & Replication, Microsoft Teams Phone, Microsoft Endpoint Manager, Intune, SQL Server, Five9, PowerShell
1mo
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MSP Systems Administrator Level I
Burlington, Ontario, Canada
$50k-$70k/yr OnsiteFull Time
2+ YOE2+ years IT administration experience (MSP preferred). Experience with Windows/Linux, networking (DHCP,DNS), VMware, Veeam Backup, system documentation, customer service and security best practices.
Microsoft Windows, Linux, VMware, Veeam Backup and Replication
1w
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Senior Systems Administrator
Toronto or Toronto Division County
$90k-$110k/yr HybridFull Time
8+ YOEDegree or diploma in Computer Science, IT, or equivalent; 8+ years infrastructure administration experience; Windows/Linux, cloud, virtualization, storage, networking, security, monitoring, ITSM, leadership, and on-call experience.
Microsoft 365, Azure, IBM Cloud, GCP, Active Directory, Entra ID, Group Policy, Windows Server, VMware, VMware vSphere, Hyper-V, Veeam, WSUS, SCCM/MECM, BigFix, SAN, NAS, Fibre Channel, TCP/IP, DNS, DHCP, VPN, FTP, SFTP, ManageEngine, Checkmk, ServiceNow, PowerShell, Python, Ansible, Rubrik, Zerto, IBM Spectrum Protect/TSM, VTL, LAN/WAN
2mo
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Senior Systems Administrator
Montreal or Toronto
$106k-$135k/yr HybridFull Time
7+ YOE7+ years systems infrastructure experience; bachelor's in CS/IT or equivalent; deep Windows Server, Active Directory, Group Policy, SQL Server HA, PowerShell automation; Azure, Ansible, and VMware experience preferred.
Windows Server, Active Directory, Group Policy, Microsoft Clustering, SQL Server, PowerShell, Azure, Ansible, VMware, Tripwire, PCI DSS, CIS Benchmarks
1mo
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IT Administrator
Etobicoke or Mississauga or Ontario or Canada
$70k-$110k/yr OnsiteFull Time
3+ YOECollege diploma/degree in IT-related field, 3+ years systems administration, Windows Server and VMware/ESXi experience, backup/DR/BCP, networking (LAN/WAN/VPN/firewall), Microsoft 365/Azure, ERP/MES/PLC or OT experience, documentation discipline.
Microsoft Windows Server, VMware/ESXi, Microsoft 365, Microsoft Azure, Odoo, FreshService, SolarWinds, MES, PLC, ERP, ITSM
15h
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System Architect
Mississauga, Ontario, Canada
HybridFull Time
Bachelor's in Computer Science or equivalent experience; Linux administration, infrastructure design, DevOps, cloud, networking, scripting, monitoring, configuration management, source control, Agile, and leadership skills required.
GitLab, Ansible, Puppet, Chef, Terraform, CloudFormation, OpenStack, AWS, GCP, Azure, Linux, RHEL, Windows, Artifactory, Nexus, JFrog, Urban Code Deploy, Jenkins, Jira, Confluence, Docker, Kubernetes (K8S), ELK, Splunk, Zabbix, Prometheus, Git, Bash, PowerShell, PHP, Postgres, Oracle, SAFe, Kanban, Scrum
3w
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Systems Administrator
Niagara Falls, Ontario, Canada
$75k-$95k/yr OnsiteFull Time
6+ YOECollege diploma/degree in CS or related field,6+ years IT infrastructure experience,Windows Server,Active Directory,Exchange,virtualization,networking,security and scripting (PowerShell/Python).
Windows Server, Active Directory, Microsoft Exchange, VMware, Hyper-V, PowerShell, Python
1mo
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Senior IT Infrastructure Administrator, Security
Toronto or Montreal
HybridFull Time
8+ YOE8+ years in enterprise systems administration, hands-on Windows and Linux administration, vulnerability remediation, patching, certificate lifecycle (TLS/PKI), PAM and Cloudflare exposure, logging platforms (Splunk/Sumo Logic), PowerShell scripting.
Windows Server, Active Directory, Linux, PowerShell, Privileged Access Management (PAM), Cloudflare, Sumo Logic, Splunk
2w
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IT Systems Administrator
Buffalo, New York, United States
$60k-$68k/yr HybridFull Time
2+ YOE2+ years corporate IT/systems administration experience; hands-on SaaS admin, MDM/device management, networking (TCP/IP,DNS,DHCP,VPN,TLS), user access management, troubleshooting, and coordinating with external security teams.
Google Workspace, Slack, AirCall, Jira, Confluence, Salesforce, Stripe Billing, macOS, Windows, MDM, EDR, Drata, ProofPoint, AWS IAM, TCP/IP, DNS, DHCP, VPN, SSL/TLS, Bash, Python, PowerShell, Rippling
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