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Added 6 mins ago
Technical Consultant I
Zafin
Toronto, ON
Support implementation activities across product, pricing, billing, offers, eligibility, approvals, reporting, integrations, automation, and related platform capabilities.
Added 6 mins ago
MI
Director of Product
Method Integration Inc.
Remote, Canada
- Full-time
- Remote
Reporting to the CEO, lead a lean product team and own its budget, scaling output through AI agents and automation before adding headcount.
Added 6 mins ago
CH
Operations Supervisor
CBI Home Health
Brandon, MB
- Full-time
Escalate issues/concerns to Operations Manager/Senior Management when required
Added 21 mins ago
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Actuarial Associate (Ontario)
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Sherwood Park, AB
- Full-time
Prepare and present actuarial results, insights, and recommendations to management and senior stakeholders.
Added 21 mins ago
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Vice President, Professional Services
March Networks
Ottawa, ON
- Full-time
…support processes, improving resource utilization, and embedding automation, analytics, and AI into the service lifecycle. This leader must also have demonstrated success leading globally…
Added 21 mins ago
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Senior Engagement Manager, Project & Interim Division
Clarity Recruitment
Toronto, ON · Greater Toronto Area, Canada
- Full-time
In this role, you'll build relationships with CFOs and senior finance leaders, develop new business, and become a trusted partner to clients navigating growth, transformation, and change.…
Added 21 mins ago
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Senior SDET – iOS Automation (Xcode, XCUI, Python/Java)
Raas Infotek
Vancouver, BC
- Contract
Job role: Senior SDET – iOS Automation (Xcode, XCUI, Python/Java)
Added 21 mins ago
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Senior Cloud Engineer
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Toronto, ON · Scarborough, ON
- Contract
…candidate will have hands-on experience with cloud services, automation, infrastructure as code, containerization, monitoring tools, and system administration. This role requires excellent…
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Senior SDET – iOS Automation (Xcode, XCUI, Python/Java)
Raas Infotek
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- Contract
Job role: Senior SDET – iOS Automation (Xcode, XCUI, Python/Java)
Added 21 mins ago
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Senior Python Developer
Futran Solutions
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- Full-time
Pipeline and deployment experience: build/test automation, CI/CD, and releasing across environments.
Added 36 mins ago
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Senior Financial Accountant
d393669d-9d56-4e40-b1be-72d80a279bf9
Calgary, AB
- $70,000 to $100,000 CAD / year
- Full-time
We are seeking a highly motivated and experienced Senior Financial Accountant. In this role, you will be responsible for proper month-end closing, reconciling subledger accounts to general…
Added 36 mins ago
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Customer Success Manager (Budget)
Euna Solutions
ON · Oakville, Ontario
- Full-time
Collaborate with senior Customer Success Managers and cross-functional teams, including sales, marketing, and product development, to ensure customers receive exceptional service.
Added 36 mins ago
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Senior / Lead Product Manager - New Verticals
Baselane
Toronto, ON
- Full-time
Work smarter with AI and automation. Proactively use AI and automation to accelerate research, analysis, prototyping, and product development. Identify repetitive workflows that can be…
Added 36 mins ago
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Senior Software Developer
Staples Inc.
Richmond Hill, ON
- Full-time
We are seeking a highly skilled Senior Software Developer to join our dynamic team. The ideal candidate will have extensive experience in C#, .NET, Web Services, WCF, Web API, Microsoft…
Added 51 mins ago
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Finance Managed Services Senior Associate
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Senior Director AI and Operations Engineering
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A career as Senior Director, AI and Operations Engineering in the Wealth Management Operations team at National Bank means acting as a leader in accelerating the transformation of wealth…
Added 51 mins ago
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Sr. Network Designer Sr. Network Designer (Network Modernization Program)
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ON · Ontario, Canada
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Senior Network Designer (Network Modernization Program)
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Solution Architect / Lead EBO Engineer – BAS (SABAS004)
Potenco
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Our Client is seeking an experienced Solution Architect / Lead EBO Engineer to serve as the senior technical authority for a complex Building Automation System modernization and migration…
Added 1 hour ago
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Senior Partner, Learning & Talent Development
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Laval, QC
- Full-time
Reporting to the Vice President, Talent, Culture and Employee Experience, the Senior Partner, Learning & Talent Development plays a strategic role in structuring, evolving, and promoting…
Added 1 hour ago
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Director, Employee and Labour Relations
Northern Alberta Institute of Technology
St. Catharines, ON · Main Campus
- Full-time
The Director serves as a trusted advisor to executive and senior leaders, helping navigate complex workplace matters and translating institutional priorities into practical action that…
Added 1 hour ago
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Senior Full Stack Developer (Java/React)
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Toronto, ON
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We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud…
Added 1 hour ago
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Senior Product Manager - SOTI Connect
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Mississauga, ON
- $120,000 to $140,000 CAD / year
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…most importantly, be part of a winning team. As the successful Senior Product Manager, you will be responsible for taking ownership of the product line life cycle from strategic planning to…
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Senior Account Manager
AOT Technologies
Victoria, BC
AOT Technologies is seeking a Senior Account Manager to join our team and own a portfolio of client accounts and run each one like your own business, with room to grow as we do.
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Finance Managed Services Senior Associate
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As a Finance Managed Services Senior Associate, unlock your potential and embrace the chance to drive meaningful outcomes that’ll elevate your career. Your role will include, but isn’t…
Added 1 hour ago
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Senior QA Test Lead / Senior Test Lead
Infotek Consulting Inc.
Toronto, ON
- $65 to $80 CAD / hour
- Contract
We are seeking an experienced Senior QA Test Lead to lead quality assurance and testing activities throughout the delivery lifecycle of complex digital and enterprise solutions. The…

Randstad Digital

Senior Network Security Engineer

Mississauga, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 26, 2026
Experience: Experience: 8+ years of enterprise networking, firewall administration, and infrastructure delivery experience.
Posting language: English
Posted: Oct 27, 2026

Original job description

Senior Network Security Engineer, Network Data

Position Type: 6-Month Contract (Strong Renewal Potential)

Number of openings:1,

Location: Mississauga, ON (Hybrid: 2–3 days onsite per week

Must be eligible to work in Canada

Clearance: Must be eligible for Government of Canada Protected B clearance (requires living in Canada for approximately the last 5 years)

Roles and responsibilities

We are seeking a versatile Senior Network Security Engineer, Network Data to support critical enterprise infrastructure initiatives, centered on an active, large-scale data centre migration. In this role, you will play a hands-on technical lead role translating and migrating hundreds of firewall configurations from legacy platforms to next-generation appliances, while supporting core enterprise LAN/WAN operations.

The ideal engineer thrives across the entire network stack, is comfortable wearing multiple hats, and brings proven experience executing data center migrations with automation.

Key Responsibilities

Data Centre & Firewall Migration: Lead the translation, validation, and deployment of configurations migrating approximately 500 firewalls from Cisco to Fortinet.
Traffic Management & Security Implementation: Build, maintain, and optimize F5 BIG-IP traffic management solutions, including custom iRule programming.
Network Automation: Develop and execute Ansible playbooks and Python scripts to streamline configuration deployments, testing, and operational tasks.
Operations & Tier 2/3 Support: Provide senior-level escalation support for enterprise routing, switching, and firewall incidents; isolate complex Layer 1–7 issues.
Security & Change Execution: Implement approved security directives (firewall rules, IP/subnet filtering, VPN policies) and execute planned changes during scheduled maintenance windows.
Documentation & Standards: Maintain precise network topologies, operational runbooks, and migration mapping records.

Required Technical Competencies

Fortinet / FortiGate (Must-Have): Deep, hands-on engineering, configuration, policy mapping, and operational experience.
Cisco Firewalls & Enterprise Networking: Proven track record managing Cisco firewall appliances in a migration context, alongside solid routing and switching expertise (OSPF, BGP, LAN/WAN).
F5 BIG-IP: Strong, practical experience with Local Traffic Manager (LTM) and hands-on iRule development.
Automation & Scripting: Demonstrated proficiency writing and running Ansible playbooks; working ability to read and maintain Python scripts.
Data Centre Migration Track Record: Prior experience actively planning and executing data centre migrations in an enterprise environment.

Qualifications & Working Conditions

Experience: 8+ years of enterprise networking, firewall administration, and infrastructure delivery experience.
Versatility: Comfortable tackling issues across the full technology stack with minimal ramp-up time.
Availability: Open to occasional evening/weekend maintenance windows for project cutovers.
Certifications (Asset): CCNP, CCIE, NSE 4+, or F5-CTS.
Cloud Knowledge (Asset): Familiarity with hybrid connectivity involving Azure or AWS environments.

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More about this job

Responsibilities

Lead the migration of approximately 500 firewall configurations from Cisco to Fortinet, and build and optimize F5 BIG-IP traffic management solutions. Automate deployments and testing with Ansible and Python, provide senior escalation support for network incidents, implement approved security changes, and maintain network documentation.

Requirements

Requires 8+ years of enterprise networking, firewall administration, and infrastructure delivery experience, including hands-on Fortinet and Cisco firewall expertise, F5 BIG-IP LTM and iRule development, and data centre migration experience. Candidates should be proficient with Ansible, able to maintain Python scripts, have routing and switching knowledge, and be eligible to work in Canada and obtain Protected B clearance.

Skills

Fortinet FortiGate
Cisco Firewalls
Firewall Migration
F5 BIG-IP LTM
iRule Development
Ansible
Python
Network Automation
Data Centre Migration
Routing and Switching
OSPF
BGP
LAN/WAN
Network Security
Tier 2/3 Support
Azure and AWS Connectivity

Visa sponsorship

Not detected in the job text

Keywords

Fortinet
FortiGate
Cisco Firewalls
F5 BIG-IP
Local Traffic Manager
iRules
Ansible
Python
Data Centre Migration
Firewall Configuration
Firewall Policy Mapping
Network Automation
Enterprise Networking
Routing
Switching
OSPF
BGP
LAN/WAN
Layer 1–7 Troubleshooting
VPN Policies
IP/Subnet Filtering
Network Security
Configuration Deployment
Maintenance Windows
CCNP
CCIE
NSE 4+
F5-CTS
Azure
AWS

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