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Added 17 mins ago
Driver/ Helper (full-time hourly)
Leons Furniture Limited
NS
Full-time
Ability to lift and carry heavy products safely and repeatedly throughout the workday.
Added 17 mins ago
Payroll Specialist
DLL Group
Burlington, ON
Full-time
Experience with payroll systems (Ceridian Dayforce, ADP, UKG, Workday, SAP, Oracle HCM, etc.)
Added 17 mins ago
Primary Health Care Nurse Practitioner
Hamilton Urban Core Community Health Centre
Hamilton, ON
$52 to $62.66 CAD / hour
Temporary
Serve approximately 10-12 clients per day based on a 7.5-hour workday (1.0 FTE).
Added 30 mins ago
ServiceNow Administrator / Automation Analyst
Harris Computer
PE · Prince Edward Island, Canada
Full-time
The successful candidate will work alongside our existing Senior ServiceNow Administrator/Developer on platform enhancements, AI and automation initiatives, solution design, testing, and…
Added 30 mins ago
ServiceNow Administrator / Automation Analyst
Harris Computer
ON · Ontario, Canada
Full-time
The successful candidate will work alongside our existing Senior ServiceNow Administrator/Developer on platform enhancements, AI and automation initiatives, solution design, testing, and…
Added 30 mins ago
ServiceNow Administrator / Automation Analyst
Harris Computer
MB · Manitoba, Canada
Full-time
The successful candidate will work alongside our existing Senior ServiceNow Administrator/Developer on platform enhancements, AI and automation initiatives, solution design, testing, and…
Added 30 mins ago
ServiceNow Administrator / Automation Analyst
Harris Computer
BC · British Columbia, Canada
Full-time
The successful candidate will work alongside our existing Senior ServiceNow Administrator/Developer on platform enhancements, AI and automation initiatives, solution design, testing, and…
Added 30 mins ago
ServiceNow Administrator / Automation Analyst
Harris Computer
SK · Saskatchewan, Canada
Full-time
The successful candidate will work alongside our existing Senior ServiceNow Administrator/Developer on platform enhancements, AI and automation initiatives, solution design, testing, and…
Added 30 mins ago
ServiceNow Administrator / Automation Analyst
Harris Computer
AB · Alberta, Canada
Full-time
The successful candidate will work alongside our existing Senior ServiceNow Administrator/Developer on platform enhancements, AI and automation initiatives, solution design, testing, and…
Added 30 mins ago
ServiceNow Administrator / Automation Analyst
Harris Computer
NL · Newfoundland and Labrador, Canada
Full-time
The successful candidate will work alongside our existing Senior ServiceNow Administrator/Developer on platform enhancements, AI and automation initiatives, solution design, testing, and…
Added 30 mins ago
ServiceNow Administrator / Automation Analyst
Harris Computer
NS · Nova Scotia, Canada
Full-time
The successful candidate will work alongside our existing Senior ServiceNow Administrator/Developer on platform enhancements, AI and automation initiatives, solution design, testing, and…
Added 30 mins ago
ServiceNow Administrator / Automation Analyst
Harris Computer
NB · New Brunswick, Canada
Full-time
The successful candidate will work alongside our existing Senior ServiceNow Administrator/Developer on platform enhancements, AI and automation initiatives, solution design, testing, and…
Added 30 mins ago
Marketing & Business Coordinator
Swim Recruiting
Vancouver, BC
$54,000 to $64,000 CAD / year
Contract
…equivalent time-off-in-lieu). Candidates must be available every workday in the month of…
Added 32 mins ago
TIRE TECHNICIAN
Bannister Automotive Group
Grande Prairie, AB
$17 to $21 CAD / hour
Full-time
Ability to safely lift and handle tires and wheels throughout the workday
Added 32 mins ago
Senior Security Operations Engineer (Talent pool building)
League Inc.
Toronto, ON
Added 32 mins ago
Sales Representative - Facility Services
Cintas
Granby, QC
…industry-leading products and hands-on help with the details of their workday. At Cintas, you will be building a successful, rewarding career while supporting our customers as they get…
Added 47 mins ago
Therapeutic Specialist, Gynecology & Gastroenterology (AB & MB)
AbbVie
AB · Edmonton, Alberta
Full-time
Added 1 hour ago
(CAN) Customer Service Manager
Walmart Canada
St. Catharines, ON
$15 CAD / hour
Contract
Please login to your Workday account and use the Find Jobs report to apply for this job.
Added 1 hour ago
Stocking 1 Team Lead
Walmart Canada
Portage la Prairie, MB
Full-time
Complete GTA/Workday tasks and supports Management
Added 1 hour ago
(CAN) Overnight Lead Department Manager
Walmart Canada
Timmins, ON
Full-time
Please login to your Workday account and use the Find Jobs report to apply for this job.
Added 1 hour ago
Senior Manager, Financial Accounting Advisory Services - FSO - Banking/Insurance/WAM
EY
Toronto, ON
…platforms such as Oracle Fusion Cloud ERP, Oracle EPM, SAP S/4HANA, Workday, OneStream, Anaplan, BlackLine, and accounting hubs. Ability to translate business requirements into…
Added 1 hour ago
Associé/Associée de Magasin de Détail Temps partiel Winners-Carrefour Saint-Georges de Beauce
The TJX Companies, Inc.
Saint-Georges, QC
Part-time
Internal TJX Associates must submit their applications via the Jobs Hub in Workday. Direct applications to this job posting will not be accepted.
Added 1 hour ago
Retail Store Associate Part Time Seasonal Marshalls - Sherwood Park
The TJX Companies, Inc.
Sherwood Park, AB
Part-time
Internal TJX Associates must submit their applications via the Jobs Hub in Workday. Direct applications to this job posting will not be accepted.
Added 1 hour ago
Retail Sales Associate Part Time- Winners/Homesense Georgetown
The TJX Companies, Inc.
Georgetown, ON
Part-time
Internal TJX Associates must submit their applications via the Jobs Hub in Workday. Direct applications to this job posting will not be accepted.
Added 1 hour ago
Retail Store Associate Part Time Temporary Marshalls / Homesense, The Boardwalk
The TJX Companies, Inc.
Kitchener, ON
Part-time
Internal TJX Associates must submit their applications via the Jobs Hub in Workday. Direct applications to this job posting will not be accepted.

Robert Half

Senior System Administrator

Newmarket, ON, Canada

Pay: $120,000 to $150,000 CAD / year
Job type: Full-time
Apply by: Oct 24, 2026
Experience: 5+ years of infrastructure, systems administration, or IT operations experience
Posting language: English
Posted: Sep 24, 2026

Apply About employer

Applications open in a new tab.

Original job description

Robert Half is exclusively partnered with a well-established organization in Newmarket that is looking to hire a Senior Systems Administrator to lead infrastructure, security, and IT operations across the business.

This is a highly visible role that combines hands-on technical leadership with stakeholder engagement, vendor management, and strategic planning. The successful candidate will play a key role in modernizing the environment while helping the organization move further toward a cloud-first future.

What You'll Be Working On

This is not a traditional "keep the lights on" Systems Administrator position. The goal is to bring in someone who can take ownership of infrastructure operations, lead continuous improvement initiatives, and become the go-to infrastructure resource for the business.

Responsibilities include:

Owning day-to-day infrastructure and operational support

Managing and mentoring the Network Administrator

Partnering with the MSP and managing the vendor relationship

Responding to issues affecting internal users and external clients

Identifying opportunities for infrastructure improvements and modernization

Making security recommendations and driving best practices

Supporting disaster recovery, redundancy, and business continuity initiatives

Leading and contributing to infrastructure-related projects

Acting as a trusted technology advisor to leadership and business stakeholders

This role offers significant autonomy and influence, with the objective of allowing the VP, IT to transition away from day-to-day operational IT responsibilities.

Technology Environment

Microsoft environment

Hybrid Active Directory

Azure / Entra ID

Windows Server

Exchange Online & on-prem Exchange

SQL Server

SharePoint

Sophos Firewalls

DNS / DHCP

Virtualization technologies

PowerShell automation

Telephony and voice technologies

Disaster recovery and redundancy solutions

Upcoming Projects

Enhancement of disaster recovery and redundancy capabilities

Continued cloud transformation initiatives

Client portal deployment and supporting infrastructure

Ongoing telephony modernization projects

Security improvements and operational automation

What We're Looking For

5+ years of infrastructure, systems administration, or IT operations experience

Strong Microsoft infrastructure expertise

Experience supporting hybrid cloud environments

Network, security, and systems administration experience

Strong troubleshooting and problem-solving skills

Experience managing vendors or MSP relationships

Excellent communication and stakeholder management abilities

Comfortable working directly with clients and senior leadership

A passion for technology and continuous improvement

Automation mindset with PowerShell or similar scripting experience

Why Consider This Opportunity?

Opportunity to become the senior infrastructure leader within the organization

Broad ownership across infrastructure, security, operations, and vendor management

Executive visibility and influence

Stable organization with a long-tenured technology team

100% employer-paid benefits

RRSP matching up to 6%

Annual salary reviews

Paid certifications and professional development

Free onsite parking

7-hour workday (8:30am - 4:30pm)

Apply About employer

More about this job

Responsibilities

Own infrastructure operations and support, lead modernization and security improvements, and oversee disaster recovery, redundancy, and infrastructure projects. Mentor the Network Administrator, manage the MSP relationship, and advise leadership and stakeholders on technology decisions.

Requirements

Requires 5+ years of infrastructure, systems administration, or IT operations experience, with strong Microsoft infrastructure expertise and experience supporting hybrid cloud environments. Candidates should bring network and security administration skills, vendor or MSP management experience, strong troubleshooting and communication abilities, and an automation mindset using PowerShell or similar scripting.

Skills

Microsoft Infrastructure
Hybrid Cloud Environments
Systems Administration
IT Operations
Network Administration
Security Administration
Azure
Entra ID
Windows Server
Exchange Online
SQL Server
SharePoint
PowerShell Automation
Vendor Management
Disaster Recovery
Stakeholder Management

Benefits

Employer-Paid Benefits
RRSP Matching Up To 6%
Annual Salary Reviews
Paid Certifications And Professional Development
Free Onsite Parking

Visa sponsorship

Not detected in the job text

Keywords

Microsoft Environment
Hybrid Active Directory
Azure
Entra ID
Windows Server
Exchange Online
On-Premises Exchange
SQL Server
SharePoint
Sophos Firewalls
DNS
DHCP
Virtualization
PowerShell
Telephony
Voice Technologies
Disaster Recovery
Redundancy
Business Continuity
Cloud Transformation
Infrastructure Modernization
Security Best Practices
Vendor Management
Managed Service Provider
Client Portal
Operational Automation

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