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Added 21 mins ago
Kubernetes Reliability Engineer
Roche
Mississauga, ON · Canada Pharma Campus
Full-time
…organization as a prime contact on initiatives and interacts with senior internal and external personnel. Uses deep knowledge to influence IT infrastructure vendor product evaluations and…
Added 1 hour ago
IT Support Analyst, TD Securities
TD
Toronto, ON
Full-time
Position Overview – IT Senior Support Analyst, Payments and RefData
Added 1 hour ago
Java Developer Lead Analyst - Vice President
Citi
Mississauga, ON
The Java Developer Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology…
Added 1 hour ago
Business Analyst
ProxyLink
Toronto, ON
$80 to $85 CAD / hour
Contract
Proxylink is teaming up with a government client to identify an experienced Senior Business Analyst to support a large-scale public sector healthcare initiative.
Added 1 hour ago
Kubernetes Reliability Engineer
Roche
Mississauga, ON
Full-time
…organization as a prime contact on initiatives and interacts with senior internal and external personnel. Uses deep knowledge to influence IT infrastructure vendor product evaluations and…
Added 1 hour ago
Senior Business Systems Analyst - Guidewire (Billing Center)
CAA Club Group
Thornhill, ON
…Ontario and Manitoba, we advocate on issues such road safety and infrastructure, the environment, seniors’ mobility, and consumer protection. Associates share in each other’s successes,…
Added 3 hours ago
Senior Analyst - Research Information Systems
University of Guelph
Guelph, ON
Reporting to the Product Manager (SIS/RIS/Software Distribution), Enterprise Applications, the Senior Analyst has advanced technical, analytical, and communication skills, with a…
Added 3 hours ago
Senior Internet Policy Analyst
CIRA
Ottawa, ON
Full-time
As Senior Internet Policy Analyst, you’ll be part of a small team responsible for CIRA’s engagement with government officials and other stakeholders in pursuit of CIRA’s domestic and global…
Added 3 hours ago
Manager – Business Technology/ Directeur, Système de gestion
Maples Group
Montreal, QC
Full-time
The Manager – Business Technology reports to the Senior Manager – Business Technology and is responsible for a team of business systems analysts that define the business systems strategy…
Added 4 hours ago
Senior Technology Resilience and Availability Management Analyst
TD
Toronto, ON
Full-time
…Management capabilities. The position works across application, infrastructure, cloud, cyber, risk, audit, and business teams to strengthen high availability, disaster recovery, backup and…
Added 4 hours ago
Technology Partner Communications Manager
Equinix
Toronto, ON
Full-time
Equinix is the world’s digital infrastructure company®, shortening the path to connectivity to enable the innovations that enrich our work, life and planet.
Added 4 hours ago
Network Administrator
Calian in Space & Technology
Ottawa, ON
Full-time
We are looking for a Network Infrastructure Administrator to join our Infrastructure Management team. In this role, you will be responsible for the design, implementation, and support of…
Added 6 hours ago
Senior Analyst
Royal Bank of Canada
Halifax, NS
Full-time
Research and resolution of un-matched or failed transactions, escalate any un-matched or failed trades to the desk and senior management in a timely manner
Added 7 hours ago
Senior Analyst
RBC
Halifax, NS
Full-time
Research and resolution of un-matched or failed transactions, escalate any un-matched or failed trades to the desk and senior management in a timely manner
Added 7 hours ago
Coordinator, Contract Service Delivery
CityofOttawa
Ottawa, ON
Minimum of 5 years of relevant and progressively responsible experience in a public transportation environment, with a minimum of 3 years in a senior analyst capacity.
Added 7 hours ago
Senior Accounting & Finance Analyst (6-Month Contract)
Nuvollo Corp.
Toronto, ON
Contract
We are looking for a highly motivated Senior Accounting & Finance Analyst to join our team for a six-month contract. This is not a traditional accounting role. You will play a key role in…
Added 7 hours ago
Senior Network Security Analyst
GuestTek Interactive Entertainment Ltd.
Calgary, AB
Full-time
The Senior Network & Security Analyst is responsible for the design, implementation, administration, and support of the organization's network, security, and communications infrastructure.…
Added 7 hours ago
Senior Systems Engineer
Infosys
ON
Infosys Public Services is seeking a Senior System Engineer. This position will interface with key stakeholders and apply technical proficiency across different stages of the Software…
Added 7 hours ago
Research Associate, Private Equity
Sandpiper Group
Vancouver, BC
Full-time
While the Research Associate will work closely with senior team members and receive guidance throughout their development, they will also be entrusted with significant independence to take…
Added 8 hours ago
Senior Business Intelligence Analyst
Metergy Solutions
Toronto, ON
…team members. Metergy is a portfolio company of Brookfield Infrastructure Partners. Brookfield is one of the world’s largest investors, owners and operators of infrastructure assets across…
Added 8 hours ago
Senior Business Intelligence Analyst
Metergy Solutions
Toronto, ON
$73,000 to $85,000 CAD / year
Full-time
…team members. Metergy is a portfolio company of Brookfield Infrastructure Partners. Brookfield is one of the world’s largest investors, owners and operators of infrastructure assets across…
Added 8 hours ago
Treasury Manager
Artemis
Toronto, ON · Etobicoke, ON
Full-time
The Opportunity: This team is seeking a Senior Treasury Analyst or Treasury Manager who brings a true builder mindset. This is not a maintenance or stabilization role, this individual will…
Added 9 hours ago
Senior Technical Analyst – Network Services, Information Services - Permanent Full-Time (1.0)
CHEO
Ottawa, ON
Full-time
Ranked in the top 1% of Canadian hospitals for the digitization of its clinical infrastructure, CHEO combines excellence in clinical care, research, and education to advance seamless care…
Added 9 hours ago
Senior Cost Controller
Trillium Guideway Partners
Toronto, ON
$100,000 to $140,000 CAD / year
Full-time
The Primary Construction Team consists of ACCIONA Infrastructure Canada Inc. (ACCIONA) and Amico Major Projects Inc. (Amico), as Trillium Guideway Partners (TGP).
Added 13 hours ago
IT - Application Support Analyst - Senior
Apex Systems
Toronto, ON
$40 to $45 USD / hour
Full-time
Role: IT Application Support Analyst - Senior (Site Reliability Engineering)

GuestTek Interactive Entertainment Ltd.

Senior Network Security Analyst

Calgary, AB, Canada

Job type: Full-time
Apply by: Oct 29, 2026
Posting language: English
Posted: Sep 29, 2026

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Original job description

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 clear 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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More about this job

Responsibilities

Design, administer, secure, and troubleshoot enterprise network, firewall, Microsoft 365, identity, and voice infrastructure across multiple sites. Lead infrastructure projects and complex incident response, while mentoring team members and maintaining strong documentation and change practices.

Requirements

Requires at least five years of enterprise networking experience, strong hands-on Cisco and Palo Alto expertise, and knowledge of core networking and secure connectivity technologies. Candidates should also have Microsoft 365, Windows Server, Active Directory, and hybrid infrastructure experience, along with strong troubleshooting, change management, documentation, and collaboration skills.

Skills

Cisco Networking
Palo Alto Firewalls
Network Security
Microsoft 365
Entra ID
Network Troubleshooting
VPN Configuration
Network Segmentation
Incident Response
Windows Server
Active Directory
Microsoft Intune
Microsoft Defender
Avaya
3CX
PowerShell

Visa sponsorship

Not detected in the job text

Keywords

Cisco Switching
Cisco Routing
Cisco Wireless
Palo Alto Networks
Microsoft 365
Entra ID
Exchange Online
Microsoft Teams
SharePoint Online
OneDrive
Microsoft Intune
Microsoft Defender
Windows Server
Active Directory
TCP/IP
VLANs
NAT
DNS
DHCP
QoS
IPsec
SSL VPN
Site-to-Site VPN
Network Segmentation
Avaya
3CX
PowerShell
SIEM/SOC Operations
Vulnerability Management
CCNA

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