Senior Systems Administrator (Azure/Cybersecurity/Networking)

Status: Permanent Full Time

Location:This is a hybrid position (4 days per week in office from 1 of our office locations below and 1 day remote).

Office Locations:Burlington location @ 3215 North Service Road, Burlington, ON, L7N 3G2 (near hwy. 403 QEW and Guelph Line)

ORNorth York location @ 243 Consumers Rd, North York, ON M2J 4W8 (near hwy. 404 and hwy. 401)

Starting April 2025, this role will be relocated to our Brampton location @ 1 Presidents Choice Cir, Brampton, ON L6Y 5S5 (near hwy. 407 and Mississauga Rd)

Who We Are:

Lifemark Health Group is a market leader in customized healthcare solutions. As one of the largest and most comprehensive providers in Canada, we continue to grow exponentially. With that growth, is a vision to be the most innovative healthcare providers in community rehabilitation, workplace health and wellness and medical assessment services. Lifemark was acquired by Loblaw Companies on May 10, 2022, you can read more about the acquisition here.

Our Perks:

You will be issued a company Phone, laptop, headset and a home office monitor, keyboard and mouse. After your successful probation period, you will:

• Have access to a yearly education re-imbursement fund
• Receive 30% discount from Shopper Drug Mart purchases
• Contribute to an Employee Stock Ownership Plan (ESOP) with employer matching percentage
• Have paid vacation days as well as wellness days
• Have a choice to enroll in our Health & Dental Flex Life Benefits (or in lieu contribute to your RRSPs)
• Access to employee assistance program

Job brief

We are looking for a Senior System Administrator to join our IT department. You'll be responsible for managing our Azure and On-prem / Legacy server and network infrastructures.

Senior System Administrator responsibilities include configure, manage, monitor, and troubleshoot all core platforms including Azure Resources, MS 365, MS Hyper-V Servers, Active Directory, GPO's, Firewalls and Network resources. To be successful in this role, you should have excellent troubleshooting skills and strong hands-on experience across IT Infrastructure systems.

Ultimately, you will ensure our Azure environment, hardware, servers, platforms, and networks run smoothly.

Responsibilities:

• Develop, Install, Manage, Monitor and Troubleshoot Azure-based, On-prem/Legacy platforms, and Network components to support our corporate strategy
• Support engineering requirements of Legacy/On-Prem enterprise applications and develop cloud migration strategies and secure solutions
• Work with stakeholders to align to enterprise security policies & standards and stay abreast of current cyber security threats, risk and compliant/ regulatory requirements
• Ensure the smooth deployment of new infrastructure and applications
• Recommend ways to improve the security of IaaS / PaaS, and network components
• Support Tier 3 technical issues and incident management resolution
• Create and update technical documentation.

Role Specific Requirements:

• Assist in BCP/DR planning, implementation and testing on Azure infrastructure
• Perform installation, configuration and maintenance of software including operating system, patches, vulnerability management, and 3rd party software
• Configure, maintain and monitor backups for Azure, and on-prem resources
• Develop, Maintain, and Monitor all performance alarms, scheduled task and dashboard for production and development resources in Azure
• Assist in the Azure monthly cost roadmap monitoring and providing recommendations for cost-saving efforts
• Provide support and resolution for tier 3 technical issues
• Provision and Maintain Server/Blade Server technologies primarily Dell
• Methodically troubleshoot Infrastructure issues using a variety of monitoring tools (Cortex XDR, Splunk, Qualys, Proofpoint, MS365 Purview)
• Create and update all document processes and systems

Must have experience working with a wide range of applications including:

• Azure Cloud Security
• Email / Messaging solutions (Office 365, Exchange, External SMTP Relay)
• MS 365 (Exchange, Azure AD, SharePoint, Teams, One Drive)
• File / Print servers
• Active Directory/DNS
• Create and Manage GPO's
• Experience in Scripting (PowerShell/JSON)
• Microsoft IIS and SSL Certificates Management
• MS SQL Server

Networking Administration:

• Firewall configuration experience is a must (Meraki, Paloalto)
• Understanding of Network topologies
• Ability to troubleshoot and resolve network issues in a LAN / WAN environment
• Site to site/Client VPN deployment, configuration & maintenance

Requirements and Experience Required:

• Bachelor's degree in computer science or related work experience
• Working experience as a System Administrator or in other similar roles.
• Deep understanding of system security and networks
• Team management skills and good communication skills.
• Critical thinking and problem-solving abilities.
• 4-5+ Years of Azure experience in a mid-size to enterprise environment
• 4-5+ Years of experience in Cyber Security
• 3+ Years working with Firewalls and Network appliances
• 3+ Years working with Meraki and/or Palo Alto