This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Network Security Specialist based in Canada. This role plays a critical part in protecting and evolving enterprise network security infrastructure within a complex, large-scale environment. You will ensure the stability, integrity, and continuous improvement of network security controls while supporting operational excellence across production and non-production systems. The position combines hands-on technical troubleshooting, security incident response, and infrastructure modernization through evergreening initiatives. You will work across cross-functional teams to identify vulnerabilities, mitigate risks, and enhance the resilience of network services. The environment is highly collaborative, process-driven, and aligned with modern operational practices such as CI/CD and Agile delivery. This is a high-impact role where your expertise directly strengthens the organization’s security posture and operational reliability. \n

Accountabilities: Maintain and support enterprise network security infrastructure, ensuring the integrity and availability of security controls across complex environments. Diagnose and resolve advanced cross-functional network and security incidents, including vulnerability identification and mitigation. Plan, execute, and validate testing activities related to production deployments, disaster recovery, failover, performance, and security remediation. Perform continuous improvement and evergreening activities by identifying security gaps, technical deficiencies, and opportunities for simplification. Implement upgrades, configuration changes, and remediation actions to address operational issues and emerging security threats. Monitor and analyze network security events using logs, alerts, and monitoring tools to support incident response and root cause analysis. Collaborate with internal stakeholders to ensure compliance with security policies, standards, and regulatory requirements. Support automation initiatives to improve operational efficiency, including intelligent automation for repetitive operational tasks. Requirements: University degree or college diploma in Computer Science, Information Technology, Engineering, or a related field. 5+ years of experience in network operations and network security within enterprise environments. Strong hands-on experience with Cisco routing and switching technologies and Check Point firewall and security management platforms. Proven experience in IT operations, including incident response, monitoring, troubleshooting, and handling security events and vulnerabilities. Experience supporting network security controls such as firewalls, segmentation policies, and secure network configurations. Familiarity with CI/CD processes and participation in modern software or infrastructure delivery lifecycles. Experience working with scalable, highly available service-oriented architectures. Working knowledge of Agile/SCRUM methodologies and collaboration within cross-functional teams. Strong analytical and problem-solving skills with ability to work in high-pressure operational environments. Experience with ServiceNow is considered an asset. Benefits: Competitive compensation aligned with senior-level network security roles in Canada 24-month contract opportunity with potential for extension Exposure to large-scale enterprise network and security infrastructure Opportunity to work on modernization, automation, and security transformation initiatives Collaborative, cross-functional environment with Agile/SCRUM practices Professional growth in advanced network security and operations domains Inclusive and equal-opportunity workplace environment Engagement in high-impact security operations supporting critical systems.

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