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Senior Network Security Administrator

Job in Ottawa, Ontario, Canada
Listing for: Altis Technology
Per diem position
Listed on 2026-11-02
Job specializations:
  • IT/Tech
    Systems Administrator, Cybersecurity, Network Security
Salary/Wage Range or Industry Benchmark: 90000 - 130000 CAD Yearly CAD 90000.00 130000.00 YEAR
Job Description & How to Apply Below

Strengthen network security and resolve complex incidents in Ottawa through hands-on administration, vulnerability management, and infrastructure troubleshooting. This work is on-site five days weekly.

As an experienced Network Administrator, you will support a growing environment within an IT Systems team. Your responsibilities include security, patching, compliance, performance optimization, and post-incident reviews. You will also collaborate with IT leadership and vendors while maintaining technical documentation.

Key Responsibilities:
  • Identify vulnerabilities and manage network security risks
  • Resolve complex incidents and complete post-incident reviews
  • Oversee patching, compliance, and performance optimization
  • Collaborate with leadership and vendors on project risks
  • Maintain documentation and share knowledge across IT teams
Requirements:
  • Five or more years administering enterprise networks
  • Network security, firewall, and intrusion prevention expertise
  • Knowledge of 802.1X, colourless ports, and policy servers
  • Experience with Wireshark, Net Flow, and mobility controllers
  • Flexibility for occasional evening, weekend work, and travel

Bring security expertise, incident resolution, and analytical communication skills to protect and improve a complex network environment.

Position Requirements
10+ Years work experience
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