Sr. Network Administrator and Security Specialist

Toronto, ON | Direct Hire

Job ID: 50563 Industry: Network/Infrastructure

Sr. Network Administrator and Security Specialist

Location: Toronto

Type: Full-Time Permanent


Our client, a major organization within the healthcare industry, has asked Bagg Technology Resources to assist them in finding a Senior Network Administrator and Security Specialist to join their prestigious organization on a full-time permanent opportunity. In this role, you will play a key role in all technology transformation initiatives, but will be primarily responsible for all aspects of the company’s Windows and MPLS Networks, as well as the integrated specialized security infrastructure needed to support the unique needs and challenges of their health services organization.

Why Join?

This organization is a part of a large network of other health centres. They have a work culture that believes in open communication, trust, and respect. They also encourage training and continuous learning for their employees, and knowingly it shows in their high employee retention rate.

Key Responsibilities:

      Network Administration:

  • Implement and maintain corporate Windows Network and Active Directory
  • Design, implement and maintain corporate Exchange Server, and manage the migration of all email and calendar accounts from GoDaddy to Exchange
  • Act as primary liaison with the Data Centre to remotely establish, maintain, and support all virtual and physical application, database, storage, and web servers
  • Monitor all systems to ensure high availability and peak performance and performs scheduled and on-demand system capacity and performance updates to address issues, including disk, memory, and CPU changes
  • Act as primary liaison with the Internet and Telecom Vendor to provide support for the MPLS Network Infrastructure (including internet, VoIP, and IPTV services) from a data centre, corporate office, and clinic perspective
  • Configure development servers (both physical and virtual), and provide on going support for IT Services through the design, implementation and testing of all new application, web, and database servers
  • Support the implementation, testing and deployment of all new applications within the organization
  • Conduct post-implementation evaluation and determine systems maintenance activities
  • Apply network and IT architecture methodologies sufficient to manage the design of network architectures

      Security Specialist:

  • Define, implement, and maintain the overall Corporate Security Architecture, including the configuration of all network components within the corporate Head office
  • Select, implement, and maintain any necessary security software, including Anti-Virus, Anti-Malware, etc, across the organization, on firewalls and individual computer components
  • Conduct regular facility assessments to ensure all network and security components are properly configured and optimized
  • Create, implement, and maintain all Network Security policies and procedures, maintain documentation, and provide training and assistance with these throughout the organization, where necessary
  • Monitors all clinic and corporate head office firewalls and network traffic for performance issues and security risks/threats. 
  • Provide onsite and remote support to all clinics and the corporate office in terms of Network Installation, Set Up and Configuration, as well as troubleshooting and issue remediation
  • Performs periodic and on-demand system audits and vulnerability assessments; including user accounts; application access; file system and external Web integrity scans to determine compliance, and prepares incident reports to document results
  • Maintain Firmware, OS and application patch levels consistent with best practices
  • Manage and maintain Routers, Firewalls, Switches, VLANS, and Gateways


  • Bachelor’s Degree in Computer Science from a recognized institution, or equivalent mix of college education/training in Network Administration and Security, required
  • Microsoft Systems Administration certifications, either MCSE or MCSA, required
  • 5 + years’ work experience in a Windows System Administrator and/or Network Security role, required
  • 2 + years’ experience as a Network Administrator or Security Specialist in a healthcare environment preferred
  • Hands on experience with Windows Server environments, Microsoft Identity Manager, Active Directory and Network Protocols preferred
  • Thorough understanding of LAN/WAN Networks (Routers, Switches and Firewall) Configuration and cabling
  • Experience with MPLS Networks preferred
  • 2 + years Administering, securing and optimizing systems and servers within a Data Centre environment
  • Experience with Administration of VMware ESX platform operations and Enterprise encrypted messaging and collaboration platforms (preferably Exchange)  
  • Experience Administering Storage Area Networking (SAN) technologies and best practices
  • Scripting/programming of infrastructure and operations tasks via: PowerShell, Power CLI, JavaScript, Python, etc. 
  • Solid working knowledge of Microsoft development environment, TCP/IP networking, Relational database programming and administration, Continuous Integration/Continuous Deployment, Cloud models and implementations, Services Oriented Architecture
  • Solid working experience with Cyber risks and security, Knowledge Intrusion Detection Systems (Network and Host), Firewall (Installation, Maintenance, Administration), Personal Firewall (Installation, Maintenance, Administration and Support) and Anti-Virus Software, Anti Spyware solutions
  • Able to develop and interpret technical documentation for training and end user procedures
  • Knowledge of trends in technology relating to system administration and security
  • Highly self-motivated with the ability to effectively prioritize
  • Excellent written and verbal communication skills.
  • Strong customer focus with demonstrated interpersonal skills
  • Good organizational skills, including project management and the maintenance of records
  • Valid driver’s license (G License) and own vehicle an asset


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