Senior System Administrator

<p>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.</p><p><br></p><p>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.</p><p><br></p><p><strong>What You'll Be Working On</strong></p><p>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.</p><p><br></p><p><strong>Responsibilities include: </strong></p><p>• Owning day-to-day infrastructure and operational support</p><p>• Managing and mentoring the Network Administrator</p><p>• Partnering with the MSP and managing the vendor relationship</p><p>• Responding to issues affecting internal users and external clients</p><p>• Identifying opportunities for infrastructure improvements and modernization</p><p>• Making security recommendations and driving best practices</p><p>• Supporting disaster recovery, redundancy, and business continuity initiatives</p><p>• Leading and contributing to infrastructure-related projects</p><p>• Acting as a trusted technology advisor to leadership and business stakeholders</p><p><br></p><p>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.</p><p><br></p><p><strong>Technology Environment</strong></p><p>• Microsoft environment</p><p>• Hybrid Active Directory</p><p>• Azure / Entra ID</p><p>• Windows Server</p><p>• Exchange Online & on-prem Exchange</p><p>• SQL Server</p><p>• SharePoint</p><p>• Sophos Firewalls</p><p>• DNS / DHCP</p><p>• Virtualization technologies</p><p>• PowerShell automation</p><p>• Telephony and voice technologies</p><p>• Disaster recovery and redundancy solutions</p><p><br></p><p><strong>Upcoming Projects</strong></p><p>• Enhancement of disaster recovery and redundancy capabilities</p><p>• Continued cloud transformation initiatives</p><p>• Client portal deployment and supporting infrastructure</p><p>• Ongoing telephony modernization projects</p><p>• Security improvements and operational automation</p><p><br></p><p><strong>What We're Looking For</strong></p><p>• 5+ years of infrastructure, systems administration, or IT operations experience</p><p>• Strong Microsoft infrastructure expertise</p><p>• Experience supporting hybrid cloud environments</p><p>• Network, security, and systems administration experience</p><p>• Strong troubleshooting and problem-solving skills</p><p>• Experience managing vendors or MSP relationships</p><p>• Excellent communication and stakeholder management abilities</p><p>• Comfortable working directly with clients and senior leadership</p><p>• A passion for technology and continuous improvement</p><p>• Automation mindset with PowerShell or similar scripting experience</p><p><br></p><p><strong>Why Consider This Opportunity?</strong></p><p>• Opportunity to become the senior infrastructure leader within the organization</p><p>• Broad ownership across infrastructure, security, operations, and vendor management</p><p>• Executive visibility and influence</p><p>• Stable organization with a long-tenured technology team</p><p>• 100% employer-paid benefits</p><p>• RRSP matching up to 6%</p><p>• Annual salary reviews</p><p>• Paid certifications and professional development</p><p>• Free onsite parking</p><p>• 7-hour workday (8:30am - 4:30pm)</p>

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