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Senior Network Security Specialist

Altis Technology

Background Information

Location: Ottawa, ON (Hybrid, 8 days on-site per month). Language: Advanced written and verbal communication skills in English. Duration: 2-Year Contract with the possibility of extension. Background Check Requirement: Valid Secret Security Clearance required.

About the Opportunity

Our client in the public sector is seeking an experienced Network Security Consultant to join a highly collaborative technology team responsible for maintaining and evolving critical enterprise network infrastructure. This role offers the opportunity to contribute to a secure, resilient, and high-performing environment that supports essential organizational operations.

What’s In It for You

  • Work on large-scale enterprise network and security initiatives within a complex enterprise environment
  • Collaborate with experienced technical professionals in a highly supportive and knowledge-sharing culture
  • Gain exposure to modernization, automation, cybersecurity, and infrastructure enhancement projects
  • Contribute to meaningful work that supports critical national and organizational operations
  • Join a workplace that values collaboration, continuous improvement, and technical excellence

Your Responsibilities

  • You’ll provide operational support and participate in evergreening initiatives to maintain the integrity of network security controls
  • You’ll troubleshoot and resolve complex network and security issues, identifying and mitigating risks and vulnerabilities
  • In this role, you’ll support testing activities related to production deployments, failover validation, disaster recovery, and vulnerability remediation
  • You’ll analyze existing network security environments, identifying opportunities for optimization, simplification, and continuous improvement
  • You’ll implement upgrades, configuration changes, and security enhancements to address evolving business and security requirementsYou’ll monitor network security events and incidents, investigate root causes, and recommend corrective actionsYou’ll collaborate with cross-functional teams to ensure compliance with security standards, policies, and regulatory requirements while supporting automation initiatives

Skills and Qualifications

  • 5+ years of progressive experience in enterprise network operations and network security environments
  • University degree or college diploma in Computer Science, Information Technology, Engineering, or a related discipline
  • Hands‑on experience with Cisco routing and switching technologies
  • Strong experience supporting and administering Check Point firewalls and security management platforms
  • Demonstrated expertise in network monitoring, troubleshooting, incident response, and vulnerability management
  • Experience supporting CI/CD processes and participating in solution implementation lifecycles
  • Experience working with scalable, highly available service‑oriented architectures
  • Experience working within SCRUM environments and collaborating with cross‑functional teams using Agile methodologies
  • Knowledge of network security controls, segmentation, firewall policies, and security best practices
  • Experience with ServiceNow is considered an asset

Equal Opportunity Statement

All qualified applicants will receive fair consideration for employment. We welcome individuals of all backgrounds, experiences, and identities including those who identify as women, members of racialized groups, Indigenous Peoples, persons with disabilities, and 2SLGBTQIA+ communities. If you require an accommodation, please review our accessibility policy and reach out to our accessibility officer with any questions. Our human recruiters review all applications and always make the final hiring decision. On occasion, we also use AI‑assisted tools to help review applications.

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Vacancy posted more than 2 months ago

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