Senior Network Security Specialist

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.

Working alongside network, security, and infrastructure professionals, you will play a key role in strengthening network security controls, supporting modernization initiatives, and ensuring operational excellence. This is an ideal opportunity for someone who enjoys solving complex technical challenges while contributing to continuous improvement and innovation.

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 requirements
• You’ll monitor network security events and incidents, investigate root causes, and recommend corrective actions
• You’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

Why Partner with Altis
If you’ve never worked with a staffing agency before, we make it easy. We work with top employers across Canada who have great jobs to fill, each vetted and verified by our team. When you apply for a job with Altis, we get to know you as a candidate and learn what your strengths are. Then, if you’re a solid match, we handle all the logistics, advocating for you as a candidate for the role, providing access to coaching and connecting you directly with the hiring manager. And rest assured, all our services are free of cost for candidates.

We appreciate the time and effort all applicants invest in their submissions. Please note that only candidates shortlisted for this role will be contacted directly. However, your profile will remain under consideration for future opportunities that align with your experience and career goals. 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.