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Altis Technology
Senior Network Security EngineerAltis Technology • Winnipeg, Canada
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Senior Network Security Engineer

Senior Network Security Engineer

Altis Technology • Winnipeg, Canada
10 days ago
Job type
  • Temporary
Job description
Location:

Toronto, ON, Hybrid, 3 days onsite per week Language:

English, advanced written and verbal communication required Duration:

6-month contract with potential 6-month extension Background Check Requirement:

Criminal background check may be required

About the Opportunity A large public sector organization is seeking a Senior Technology Architect to support critical enterprise infrastructure and cybersecurity initiatives within a complex, high-availability environment. This role is ideal for a seasoned infrastructure and security professional who thrives in large-scale enterprise settings and enjoys solving complex networking and security challenges that directly support essential public services.

You will work alongside experienced infrastructure, security, and operations teams to strengthen enterprise architecture, support secure connectivity, and lead technical remediation and modernization efforts. The environment is highly collaborative, fast paced, and focused on operational excellence, resiliency, and continuous improvement.

What’s In It for You

Opportunity to work on enterprise-scale infrastructure and security modernization initiatives

Exposure to complex networking, cloud, and perimeter security environments

Collaborative team culture that values technical expertise and knowledge sharing

Flexible hybrid work model with meaningful, high-impact project work

Opportunity to contribute to critical public sector technology operations and security initiatives

Your Responsibilities

You’ll lead the design, implementation, and support of enterprise network and security architecture solutions

In this role, you’ll manage and optimize high-availability infrastructure including F5, Checkpoint, proxy, and remote access technologies

You’ll oversee technical vulnerability assessments and support remediation of security incidents across enterprise environments

You’ll analyze network traffic and authentication protocols to troubleshoot and strengthen security posture

In this role, you’ll support cloud and clustered infrastructure solutions within complex LAN/WAN environments

You’ll collaborate with cross-functional teams to ensure infrastructure reliability, scalability, and compliance with security best practices

You’ll participate in after-hours migration and implementation activities as required

Skills and Qualifications

10+ years of progressive experience in computing infrastructure and information security within large enterprise environments

Expert-level experience with F5 LTM, APM, ASM, and GTM technologies

Strong experience managing clustered high-availability firewalls, load balancers, and proxy technologies including Checkpoint, Broadcom ProxySG, and Zscaler ZIA

Advanced understanding of networking technologies, authentication protocols, and information security best practices

Hands‑on experience with vulnerability assessments, intrusion detection, and perimeter network security

Experience supporting LAN/WAN, cloud infrastructure, and remote access environments

Degree in Computer Science, Engineering, Technical Diploma, or equivalent combination of education and experience

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 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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Senior Network Security Engineer • Winnipeg, Canada

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