Senior Network Support Engineer/Network Security Specialist evergreening and operational support
Job in
Ottawa, Ontario, Canada
Listing for:
S.i. Systems
Full Time, Part Time, Contract
position
Listed on 2026-09-13
Job specializations:
-
IT/Tech
Cybersecurity, Network Security
Job Description & How to Apply Below
Position: Senior Network Support Engineer / Network Security Specialist (2 roles) to provide evergreening and operational support
Our valued client is seeking a Senior Network Support Engineer / Network Security Specialist (2 roles) to provide evergreening and operational support for a Cisco-focused environment
Our valued crown corporation client is seeking to fill two positions within their Network and Network Security Services team: a Senior Network Support Specialist and a Senior Network Security Specialist. Both roles will focus on evergreening initiatives, operational support, production deployments, disaster recovery validation, and continuous improvement activities within a complex Cisco and Azure-based enterprise environment. The successful candidates will work closely with cross-functional teams to maintain, support, and enhance critical network infrastructure and services while ensuring reliability, performance, security, and scalability.
Initial 24-month contract with strong possibility of extension in Ottawa, ON, Hybrid, 8 days on site per month (remote options available), 7.5 hours per day, Monday to Friday.
The selected candidates must have resided in Canada for the last 5+ years without leaving the country for 6 months continuously to be eligible for security clearance (Candidates who currently hold Government of Canada Secret clearance preferred).
Senior Network Support Specialist:
Responsibilities
Play a key role in the operational team, with focus on evergreening and operational supportResolve complex cross functional technical issues in a timely mannerParticipate in the planning and execution of testing related to production deployment validation, performance, failover and vulnerabilities remediation, and disaster recoveryAnalyze the current solutions environment to identify deficiencies and opportunities for simplification as part of continuous improvements and evergreening activitiesDefine and implement required upgrades and changes to address operational problems or new business requirements as well as support problem troubleshooting in Prod and non-prod environmentsOther related activities and deliverables as requiredMust Haves
5+ years of recent demonstrated experience in testing and/or operations and/or development and/or integration in network management environmentsMinimum of five years of recent demonstrated experience with network equipment, specifically with Cisco switching and routing platforms (
Cisco Nexus 9K, s, and APIC
)Demonstrated experience in working with Azure Cloud NetworkingDemonstrated knowledge and experience in IT Operations work, including the operational capabilities and typical challenges of IT OperationsDemonstrated ability to support the full development lifecycle, including participation in continuous integration and continuous deployment (CI/CD) processes, from concept through implementationDemonstrated experience with scalable and highly available service-oriented architecturesDemonstrated experience in working with Agile methodologyNice to Have
Demonstrated experience in working with Service NowDemonstrated experience in working with Cisco ASA and/or Checkpoint firewalls.Senior Network Security Specialist:
Responsibilities
Play a key role in the operational team, with focus on evergreening and operational support, and maintaining the integrity of network security controls.Resolve complex cross functional technical issues in a timely manner with particular emphasis on diagnosing and mitigating network security risks and vulnerabilitiesParticipate in the planning and execution of testing related to production deployment validation, performance, failover and vulnerabilities remediation, and disaster recoveryAnalyze the current solutions environment to identify security gaps, deficiencies and opportunities for simplification as part of continuous improvements and evergreening activitiesDefine and implement required upgrades and changes to address operational issues, emerging security threats and evolving business requirements, and support troubleshooting activities in both production and non-production environments.Monitor, analyze, and support the response to network security events and incidents, leveraging logs, alerts, and monitoring tools to identify root causes and recommend remediation actionsCollaborate with internal teams to ensure that network solutions adhere to security policies, standards, and regulatory requirements, and contribute to strengthening the overall security posture of the environmentResearch, recommend, and implement automation best practices aimed at reducing repetitive tasks…
Position Requirements
10+ Years
work experience
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