Job SummaryThe incumbent is responsible for providing technical leadership to the Network Security Management team. The role improves and maintains the cyber security posture of CN's networks enabling business functionality across all systems and environments by applying best practices and security solutions. Acting as a Subject Matter Expert (SME), the incumbent oversees development and integration of new network security functionality into CN's networks and collaborates with various relevant teams. The role is accountable for assessing new projects and recommending solutions to surfacing issues. The position provides mentoring and training and acts as a third-level support.Main ResponsibilitiesOperation ExcellenceLead and execute installations, upgrades, configurations and maintenance of the network security infrastructurePerform a quality review of infrastructure changes and implementationsProvide third-level support including detailed threat analysis of log data from security devicesLead life cycle project initiatives (analyze, test and deploy)Lead problem investigations and follow-up on resolutionsPerform preventive maintenance tasksMonitor and maintain system availability and performanceIdentify Key Performance Indicators (KPIs) related to the capacity, performance of the service and network securityOversee gatherings of baseline data and ensure that it is assessed against current data for improvementsCreate and maintain operational documentation such as run books, diagrams and system layoutTroubleshoot and correct defects with vendorsApply and ensure compliance with all appropriate CN Technology standards (Security, Architecture, Project Delivery Methodology,



Sarbanes-Oxley Act (SOX))Respond to investigations and queries of Info Sec Team and Auditors related to breachesAssist with root cause analyses for events and incidents when underlying issues are unknownDeliveryParticipate in project analysis and planning phase to estimate effort and build activity planCollaborate with project team to deliver required infrastructureParticipate in project transition and support strategies (T2 C)Lead network security assigned strategies and projectsReview and maintain Engineering standards and specification documentsCreate and maintain operational documentation (run books, how-to, diagrams, system layouts, standard operating procedure (SOPs))Assist on technical proposals, specifications, requirements and design documentsCoordinate with internal and external stakeholders and vendors as necessaryPractice EvolutionEngage with team to define, design, and implement network security solutions to enhance cyber security postureParticipate in evaluation and recommendation of network security tools and technologies for existing and future business needsCollaborate with team members to develop and implement process improvementsCommunicate complex designs and information to peersProvide training to multiple teamsRecognize and act on Operations and Business risks and recommend solutionsWorking ConditionsThe role has standard working conditions in an office setting with a regular workweek from Monday to Friday and is eligible to participate in CN's hybrid work model. The role involves managing priorities and delivering work within established timelines, with support from the team to ensure sustainable and effective workload management. The position requires minimal travel (5%)



to workshops and training.ExperienceRelevant ExperienceMinimum 10 years of overall work experienceMinimum 5 years of demonstrated experience in providing hands-on technical expertise with network security solutions deployed in large corporate environmentsAdvanced experience with Next Generation Firewall (NGFW) technologies and capabilitiesExperience with Wide-Area Networks (WAN) technologiesCandidates with an equivalent combination of education, training, and experience will be consideredEducation/Certification/DesignationBachelor's Degree in Computer Science, Information Systems or equivalentCertification in Certified Information Systems Security Professional (CISSP), Cisco Certified Network Professional (CCNP) Security, Cisco Certified Internetwork Expert (CCIE) Security, Certified Network Security Administrator (PCNSA), Certified Network Security Engineer (PCNSE) or other security or network security related certification*Candidates with equivalent practical experience, education, or training will be consideredAny requirement marked with (*) will be considered an asset (not mandatory)CompetenciesWe Care About Each OtherWe Strive for ExcellenceWe Succeed TogetherWe Lead ResponsiblyComplianceBuild trustReading the environmentPolitical acumenAI Literacy and data orientationTechnical Skills/KnowledgeAdvanced understanding of core security technologies such as NGFW, Intrusion Detection System (IDS), Intrusion Prevention System (IPS), Distributed Denial-of-Service (DDo S/Do S), Virtual Private Network (VPN), Network Access Control (NAC), Advanced Thread Prevention, Uniform Resource Locator (URL) filtering, Domain Name System (DNS) Security and Remote AccessDeep understanding of common network and application stack protocols such as Transmission Control Protocol (TCP), Internet Protocol (IP), Internet Control Message Protocol (ICMP), Transport Layer Security (TLS), Hypertext

📌 Senior Specialist Cybersecurity Operations Center-Ca (Montreal)
🏢 Anonymous
📍 Montreal