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Windows system administrator Jobs in Old toronto, ON

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Windows system administrator • old toronto on

Last updated: 9 hours ago

Senior Windows Server Administrator

Astra North Infoteck Inc.Toronto, ON, ca
Full-time
Quick Apply

Senior Windows Server Administrator.We are seeking experienced Senior Server Administrators to support server upgrade and infrastructure modernization project.The role involves planning, upgrading,... Show more

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Site Administrator

BEST - For A Cleaner WorldToronto, ON, CA
Full-time
Quick Apply

ABOUT US:  BEST - For a Cleaner World is a leader in providing premier services in both custodial and maintenance services, to a prestigious and loyal client base.Our Purpose is to create a po... Show more

Lead System Administrator

Royal Bank of Canada>TORONTO, Canada
Full-time

Reporting to the Senior Manager, this role is responsible for assessing, researching, and analyzing business and technical application requirements to support and resolve systems issues within the ... Show more

Contract Administrator

TalentSphereToronto, ON, Canada
Full-time

Construction Contract Administrator.Architecture, Design & Planning Firm.Full time on Site in North York, Ontario (for 3 years, then hybrid).Security Clearance required or eligibility to obtain.Our... Show more

Property Administrator

AkeliusToronto, ON, CA
CA$50,000.00 yearly
Full-time
Quick Apply

Are you looking for career opportunities within a global,  growing real estate company?.Then you might be our next property administrator.Join us and be a part of our journey.Akelius is seekin... Show more

Database Administrator

Randstad CanadaToronto, Ontario, CA
Temporary
Quick Apply

We are seeking a proactive and skilled Database Administrator (DBA) to join an enterprise Data Warehouse Technology group within Information Technology.In this mid-level hands-on contract role, you... Show more

Dental Administrator

Davis OrthodonticsToronto, ON, CA
Full-time

Davis Orthodontics is a well-established, patient-centered orthodontic practice with multiple locations across the GTA.We’re known for our commitment to excellence, warm and welcoming env... Show more

Linux System Administrator

Motion RecruitmentToronto, ON, Canada
Full-time

An established financial services organization is seeking an experienced Linux Systems Administrator to support and modernize a large-scale enterprise Red Hat environment that underpins critical cu... Show more

Building System Technician

Toronto HydroToronto, ON, CA
Full-time

The salary range shown above reflects the expected  compensation for this position.The final salary offered will be determined based on a holistic assessment of the candidate’s experience, educatio... Show more

System Construction Lead

BechtelToronto, ON, CA
Full-time

Position to be Panel Interviewed? .Telework Type: Full-Time Office/Project.Work Location: Toronto,Ontario.Salary Range: $132,700 - $182,700 annually (salary range is based on market data; final sal... Show more

Audit Administrator

BMO Financial GroupToronto, Ontario Canada
CA$46.15 hourly
Full-time +1

BMO is an organization driven by a shared Purpose: Boldly Grow the Good in business and life.It calls on members of its team, to create lasting, positive change for its customers, its communities, ... Show more

Office Administrator

Queens HarbourToronto, ON, CA
CA$20.00–CA$26.00 hourly
Part-time

We are looking for a reliable and detail-oriented team member to provide Office administration.The role will involve a variety of administrative, payroll, HR, and cash-related responsibilities base... Show more

System Engineer - Virtualization

TSX Inc.Adelaide St W,Toronto
CA$130.00 daily
Full-time +1

Venture outside the ordinary - TMX Careers.The TMX group of companies includes leading global exchanges such as the Toronto Stock Exchange, Montreal Exchange, and numerous innovative organizations ... Show more

Salesforce Administrator

KORT PaymentsToronto, ON, CA
CA$65,000.00–CA$75,000.00 yearly
Full-time
Quick Apply

SALESFORCE ADMINISTRATOR WHO WE ARE Welcome to KORT Payments, where innovation meets excellence!.We specialize in providing a state-of-the-art omnichannel payments platform designed to make busines... Show more

Portfolio Administrator

Harbourfront Wealth ManagementCanada, Vancouver , Toronto , Winnipeg, Canada, USA
CA$60,000.00–CA$70,000.00 yearly
Full-time +1

Harbourfront Wealth is a dynamic industry leader specializing in financial services and wealth management.We are a fast-growing wealth management firm with over $22 billion in assets under administ... Show more

System Administrator - Windows & Linux

AcestackToronto, ON, Canada
Full-time
Quick Apply

Job Title:</b> System Administrator - Windows & Linux</li> <li><b>Location:</b> Toronto, ON</li> <li><b>Work Model:</b> Onsite</li> &... Show more

Senior Windows Server Modernization Specialist

J M Group IncToronto, ON, Canada
Full-time
Quick Apply

We are hiring for a <b>Senior Windows Server Modernization Specialist</b>.The role focuses on enterprise-wide Windows Server modernization, including large-scale in-place upgrades, infr... Show more

Site Administrator

FirstService ResidentialNorth York, ON, CA
Full-time

Condominium Site Administrator (North York).FirstService Residential is owned by FirstService Corporation, a proudly Canadian company and one of Canada’s great business success stories.FirstService... Show more

Contract Administrator

Black & McDonald LimitedToronto, Ontario, Canada
CA$60,000.00–CA$65,000.00 yearly
Full-time

BUILD YOUR CAREER AT BLACK & MCDONALD.Black & McDonald is an integrated, multi‑trade service provider that safely delivers high quality construction, facilities management, and technical solutions.... Show more

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Senior Windows Server Administrator

Senior Windows Server Administrator

Astra North Infoteck Inc.Toronto, ON, ca
9 hours ago
Job type
  • Full-time
  • Quick Apply
Job description

Job Description

Senior Windows Server Administrator

Location: Calgary AB

Work Type: Hybrid

We are seeking experienced Senior Server Administrators to support server upgrade and infrastructure modernization project. The role involves planning, upgrading, troubleshooting, and validating enterprise Windows Server environments along with VMware and Active Directory infrastructure. Candidates must be comfortable working onsite, coordinating with multiple technical teams, and supporting critical production systems.

Key Responsibilities

  • Perform Windows Server upgrades and migrations (2012/2016/2019 to newer versions).
  • Administer and support VMware vSphere, ESXi, and vCenter environments.
  • Manage Active Directory, DNS, DHCP, Group Policies, and related services.
  • Execute server patching, health checks, and performance validation activities.
  • Coordinate with Network, Security, Database, and Application teams during upgrade activities.
  • Perform backup, restoration, and disaster recovery validation.
  • Troubleshoot server, virtualization, storage, and operating system issues.
  • Document configurations, procedures, risks, and upgrade outcomes.
  • Support after-hours maintenance windows and project cutover activities.
  • Ensure compliance with security and operational standards.

Required Skills & Experience

  • 8+ years of Windows Server Administration experience.
  • Strong experience with VMware vSphere, ESXi, vCenter, HA, DRS, and vMotion.
  • Strong Active Directory administration experience.
  • Experience with Windows Server 2012, 2016, 2019, and 2022.
  • Experience with PowerShell scripting and automation.
  • Strong troubleshooting and root cause analysis skills.
  • Experience supporting enterprise-scale infrastructure environments.
  • Excellent communication and documentation skills.

Preferred Qualifications

  • VMware VCP Certification.
  • Microsoft Windows Server Certifications.
  • Experience with Nutanix, Azure, or AWS.
  • Experience in large infrastructure upgrade or migration projects.