Network Security/Firewall Consultant

Job summary

Provide Level 3 support and administration for Cisco and Palo Alto firewall platforms, resolving complex security incidents and outages. Design and maintain firewall policies and VPNs, perform upgrades and root cause analysis, monitor infrastructure health, and support compliance, documentation, and cross-team incident response.

Job details

Job Title :- Firewall Consultant Location :- Calgary ,AB-Onsite Job description:- Role Summary: The L3 Firewall Support Consultant is responsible for providing advanced technical support, administration, troubleshooting, and optimization of enterprise network security infrastructure, primarily focusing on Cisco Firepower/ASA and Palo Alto Networks firewalls. The role involves handling complex incidents, implementing security policies, driving root cause analysis, and ensuring high availability and security compliance across the network environment. Relevant enterprise references include skills around Palo Alto, Cisco Firepower/ASA, VPNs, security policy management, incident resolution, and network security engineering. Key Responsibilities: Provide Level 3 support for Cisco ASA, Cisco Firepower (FTD/FMC), and Palo Alto firewalls Troubleshoot and resolve complex network security incidents, escalations, and service outages Design, review, and implement firewall security policies, NAT rules, and access control lists Configure and support Site-to-Site VPNs, Remote Access VPNs, IPSec, and SSL VPN solutions Perform firewall upgrades, migration activities, patching, and firmware management Conduct root cause analysis (RCA) and prepare incident/problem management reports Monitor firewall health, performance, capacity, and security threats Support IDS/IPS, URL Filtering, Threat Prevention, and Application Control features Collaborate with SOC, Network, Cloud, and Infrastructure teams during major incidents and security events Ensure compliance with security standards, audit requirements, and change management process Participate in on-call support and major incident bridges Create and maintain technical documentation, SOPs, and knowledge base articles Technical Skills Primary Skills: Palo Alto Networks (PAN-OS, Panorama) Cisco ASA Cisco Firepower (FTD/FMC) Firewall Policy Management NAT, ACL, Routing & Switching VPN Technologies (IPSec/SSLVPN) Secondary Skills Cisco Routers & Switches Network Segmentation IDS/IPSF5 Load Balancer AWS/Azure Network Security Splunk, SolarWinds, Infoblox Python scripting for automation (preferred) These skills align with network security engineer profiles referencing Palo Alto, Cisco Firepower/ASA, VPNs, routing, switching, cloud security, Splunk, SolarWinds, and related security technologies. Experience & Qualifications 6–10+ years of experience in Network Security / Firewall Administration. Minimum 4+ years of hands-on experience with Palo Alto and Cisco Firewall platforms. Strong understanding of TCP/IP, Routing Protocols, VPNs, and Security Architecture. Experience in Incident, Change, and Problem Management processes. Bachelor's degree in Computer Science, IT, or related field. Preferred Certifications: PCNSE (Palo Alto Networks Certified Network Security Engineer) CCNP Security / CC IE Security Cisco Firepower Certifications ITIL Foundation Key Competencies Advanced Troubleshooting Incident & Problem Management Security Risk Assessment Stakeholder Communication Documentation & Knowledge Management Team Mentoring and Technical Leadership

What you’ll do

Provide Level 3 support and administration for Cisco and Palo Alto firewall platforms, resolving complex security incidents and outages. Design and maintain firewall policies and VPNs, perform upgrades and root cause analysis, monitor infrastructure health, and support compliance, documentation, and cross-team incident response.

Requirements

Requires 6–10+ years of network security or firewall administration experience, including at least four years of hands-on experience with Palo Alto and Cisco firewall platforms. Candidates should have strong knowledge of TCP/IP, routing, VPNs, security architecture, and incident/change/problem management; a bachelor's degree is specified, with relevant security certifications preferred.

Listed skills

• NAT · Preferred
• Incident Management · Preferred
• Splunk · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Palo Alto Networks Firewalls
• Cisco ASA
• Cisco Firepower
• Firewall Policy Management
• Network Security
• VPN Technologies
• IPSec
• SSL VPN
• NAT
• Access Control Lists
• Routing and Switching
• Incident Management
• IDS/IPS
• Cloud Network Security
• Splunk
• Python Scripting

Job areas

• Technology
• Security & Safety
• Consulting

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