Sr. Network & Cyber Security Architect to design architecture and operational design of firewall services as they
Job in
Calgary, Alberta, T3S, Canada
Listing for:
S.i. Systems
Full Time, Contract
position
Listed on 2026-01-01
Job specializations:
-
IT/Tech
Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Position: Sr. Network & Cyber Security Architect to design the architecture and operational design of firewall services as they
Our large, enterprise Oil & Gas industry client is seeking a Sr. Network & Cyber Security Architect to design the architecture and operational design of firewall services as they transition.
This is an initial 1-year contract with a possibility of extension. The successful candidate will be based in Calgary and agreeable to working full-time onsite (5 days/week).
Must-Haves:
8+ years in network/security architecture with 5+ years in firewall operations across enterprise environments
.Hands-on expertise with Cisco Firepower and Palo Alto platforms
; proficiency with Cisco FMC and Panorama.Operational experience designing/maintaining monitoring and event pipelines
.Proven integration of firewall telemetry into SIEM platforms and collaboration with SOC/MDR partners.Strong familiarity with Service Now incident/assignment group models and CMDB hygiene.Solid background in network security fundamentals (L3/L4, NAT, VPN, IDS/IPS), packet-level troubleshooting, and change governance.Scripting/automation (e.g., Python) for telemetry transformation, policy automation, or QA.Nice-to-Haves:
Experience guiding transitions of firewall services (RACI, knowledge transfer, pilot/parallel ops).Knowledge of OT/IT segmentation patterns and cloud-edge integration patterns.Exposure to legacy environments and tech-debt retirement planning.
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