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Network Security EngineerQuerentia · Ottawa, Ontario, Canada
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Querentia

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Network Security Engineer

🗓️ Posted 2026-09-01 Ottawa, Ontario, Canada Contract Hybrid ICT
💰 Salary Not shared 📊 Market 6,500 CAD–10,000 CAD/mo

About the Company

TALENT . TRUST . THRIVE At Querentia , we connect exceptional talent with organizations that need them. We specialize in technology and in-demand professional roles, partnering with leading organizations across Canada and the US to deliver candidates who are the right fit - not just available. We understand that both hiring and career transitions come with real complexity - and we bring the industry expertise, discipline, and care to make that process work. Our approach is built on genuine relationships: with clients, we take the time to understand what truly drives success in a role; with candidates, we advocate for opportunities that match their expertise and career direction. Because when the right talent meets the right opportunity, both sides move forward - our clients build stronger teams, and our candidates build stronger careers. Connect with us at [email protected] or visit https://www.querentia.com to learn how we can support your hiring needs or your next career move. Staffing and Recruiting Specialties: Recruitment, Hiring, Technology jobs, Tech jobs, Resume evaluation, Professional Resume building

About the Job

We are looking for experienced Cross Domain Solutions Specialists to support secure data exchange between networks with varying security classifications. The ideal candidate will have hands-on experience designing, deploying, configuring, and maintaining Cross Domain Solutions (CDS) in secure/classified environments.

Requirements

Certifications

  • ● Experience supporting system accreditation, including documentation, testing, compliance, and ITSG-33.

Experience

  • ● 5-9 years of experience for Intermediate / 10+ years for Senior resources.
  • ● Experience working with networks of varying security classifications.
  • ● Experience with CDS Guards, such as Everfox HSG/TGS.
  • ● Hands-on experience with Content Disarm & Reconstruction (CDR) / content sanitization tools such as Glasswall or Purifile.
  • ● Experience with Linux server administration and security hardening.
  • ● Experience with Apache NiFi and high-throughput dataflows.
  • ● Experience with Python, Bash, or JavaScript scripting.

Skills

  • ● Strong hands-on Cross Domain Solutions (CDS) experience.
  • ● Experience deploying/configuring Data Diodes, such as Blackline, Sphyrna, OWL, or BAE.
  • ● Strong TCP/IP, routing, firewall, and network security experience.
  • ● Experience developing SIEM dashboards, alerts, and reports.