Position Title: Senior Network & Security Analyst

Department: Technical Infrastructure

Location: Calgary/Okotoks, AB The Senior Network & Security Analyst is responsible for the design, implementation, administration, and support of the organization's network, security, and communications infrastructure. The role acts as a senior technical escalation point and leads work across enterprise networking, firewall security, Microsoft 365, secure remote connectivity, and voice platforms in a multi-site environment.

KEY RESPONSIBILITIES

Network Infrastructure

- Design, deploy, configure, and maintain enterprise wired and wireless networks across multiple locations.
- Administer Cisco switching, routing, and wireless platforms, including VLANs, trunks, routing, spanning tree, QoS, DNS, and DHCP dependencies.
- Configure, support, and troubleshoot site-to-site and remote-access VPNs, IPsec tunnels, network segmentation, NAT, and secure connectivity with vendors and partners.
- Monitor availability, performance, and capacity; identify root causes and implement durable corrective actions.
- Maintain current network diagrams, configuration standards, inventories, backup configurations, and recovery procedures.

Network Security
- Administer Palo Alto firewalls, including security policies, NAT rules, objects, zones, threat-prevention profiles, URL filtering, logging, and VPN services.
- Review firewall and network changes for security, business impact, testing, rollback, and documentation requirements.
- Investigate network and security events, coordinate containment and remediation, and contribute to root cause analysis and lessons learned.
- Support vulnerability remediation,



secure configuration baselines, patching, security audits, and continuous improvement initiatives.
- Partner with internal and external security resources to strengthen monitoring, incident response, and access controls.

Microsoft 365 & Infrastructure
- Administer and support Microsoft 365 services, including Entra ID, Exchange Online, Teams, SharePoint Online, OneDrive, Intune, Conditional Access, and Microsoft Defender capabilities.
- Support identity, authentication, device compliance, endpoint protection, and hybrid infrastructure integrations.
- Use automation and scripting, where practical, to increase consistency, visibility, and operational efficiency.

Voice & Communications
- Support Avaya and 3CX telephony environments, including extensions, call routing, SIP services, voicemail, and connectivity troubleshooting.
- Diagnose voice quality, network path, firewall, and carrier-related issues in coordination with service providers.

Leadership & Service Delivery
- Lead infrastructure, network, and security projects from planning through implementation and operational handover.
- Act as an escalation point for complex incidents and provide explicit technical guidance during service disruptions.
- Mentor junior team members and promote consistent troubleshooting, documentation,



and change practices.
- Communicate technical risks, options, and recommendations clearly to technical and non-technical stakeholders.

Requirements:

- Five or more years of progressive enterprise networking experience, including hands-on configuration and troubleshooting.
- Strong experience with Cisco switching, routing, and wireless technologies.
- Strong experience administering Palo Alto firewalls and secure connectivity.
- Demonstrated knowledge of TCP/IP, VLANs, routing, NAT, DNS, DHCP, QoS, network segmentation, IPsec, SSL VPN, and site-to-site tunnels.
- Hands-on experience administering Microsoft 365 and identity services in a business environment.
- Experience supporting Windows Server, Active Directory, Entra ID, and hybrid infrastructure.
- Strong incident troubleshooting, root cause analysis, change management, and technical documentation skills.
- Ability to manage competing priorities and work independently while collaborating effectively with team members and vendors.

Preferred / Assets:

- Cisco CCNA or CCNP certification.
- Palo Alto Networks PCNSA or PCNSE certification.
- Microsoft Azure, Security, or Microsoft 365 certification.
- Experience with Avaya and/or 3CX voice platforms.
- Experience with Microsoft Intune, Defender, SIEM/SOC operations, vulnerability management, SD-WAN, PowerShell, or network automation.
- ITIL or formal project management experience.
- Experience supporting corporate web platforms, including website hosting, DNS management, SSL certificates, access controls, security, vendor coordination, and ongoing maintenance.

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