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Jobs in Canada

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Added 11 mins ago
DC
Coordinator, Construction Services (Electrical)
Defence Construction Canada
Happy Valley-Goose Bay, NL
- Full-time
Project, contract and risk management principles
Added 11 mins ago
AC
Analyste De La Chaîne D'Approvisionnement | Supply Chain Analyst
Aston Carter
Longueuil, QC
- $42 to $48 CAD / hour
- Contract
Lead or support initiatives focused on operational efficiency, standardization, and continuous improvement.
Added 11 mins ago
B
Systems Analyst - Senior (Peoplesoft HCM exp)
Bevertec
Toronto, ON
- Contract
Knowledge of project management methodologies and practices to lead change initiatives related to enterprise level HCM system changes and optimizations, knowledge of change management,…
Added 11 mins ago
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Project Planner
ABB
Quebec, QC
- Full-time
Contribute to the continuous improvement of the Project Management process and its tools.
Added 11 mins ago
TM
Mill Maintenance Superintendent
The Mosaic Company
Colonsay, SK
- Full-time
…culture while driving performance in operational efficiency, cost management, quality, employee engagement, and environmental…
Added 11 mins ago
CE
Special Operator – Slave Lake, AB
Canadian Energy Insight Inc.
Slave Lake, AB
- Full-time
The role works closely with Lead Operators, Production Foreman, Engineering, Construction, and Integrity teams to ensure operational readiness, regulatory compliance, and production…
Added 11 mins ago
WI
Environmental Project Manager, Transportation & Municipality Specialist
WSP in Canada
SK · Saskatchewan, Canada
- Full-time
…development projects across Western Canada. As a Environmental Project Manager, Transportation & Municipality Specialist you'll lead some of the region's most complex environmental…
Added 11 mins ago
TM
Asst Contr & Sr Mgr Acct&Repo
Toronto Metropolitan University
Toronto, ON
- Full-time
…accounting and financial reporting; external audits; treasury, debt management and investing services; procurement, payables, shipping and receiving; research and special project accounting…
Added 11 mins ago
KC
Superintendent
Kindred Construction Ltd.
Revelstoke, BC
- Full-time
As part of our Construction Management Team, our Site Superintendents work under limited supervision with a Project Manager (PM) and Consultants to complete quality construction projects…
Added 11 mins ago
EG
Project Geologist II
Equinox Gold Corp.
Geraldton, ON
- Part-time
…circulation drill spacing, QA/QC reporting projects, database management improvements, building of data visualization tools, such as dashboards and custom reporting tools, reconciliation…
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Senior Manager- Clean Economy
Deloitte
St. John's, NL · Greater St. John's Metropolitan Area
- Full-time
…member of the team you will apply your skills and knowledge to lead client engagements which may include pre-claim consultations, claim preparation and documentation, audit defense, sales,…
Added 11 mins ago
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Roadmaster
CPKC
Cranbrook, BC
- Full-time
Are you ready to lead and make a lasting impact? As a Roadmaster, you’ll own a critical leadership role by overseeing compliance with safety practices, policies and procedures, and guiding…
Added 11 mins ago
WI
Senior Civil Engineer - Municipal Engineering
WSP in Canada
Cornwall, ON
- Full-time
…As a Senior Civil Engineer - Municipal Engineering, you will lead the delivery of impactful infrastructure projects that improve how people live, work, and connect. From water and…
Added 11 mins ago
WI
Environmental Project Manager, Transportation & Municipality Specialist
WSP in Canada
AB · Edmonton, AB
- Full-time
…development projects across Western Canada. As a Environmental Project Manager, Transportation & Municipality Specialist you'll lead some of the region's most complex environmental…
Added 11 mins ago
FC
Health & Safety Supervisor
FCC Construcción
Toronto, ON
- Contract
Lead the implementation and continual improvement of the Project Health & Safety Management System (HSMS).
Added 11 mins ago
WI
Senior Civil Engineer - Land Development
WSP in Canada
Cornwall, ON
- Full-time
Lead the planning, design, and delivery of complex land development projects that create lasting community value.
Added 11 mins ago
WI
Environmental Project Manager, Transportation & Municipality Specialist
WSP in Canada
Medicine Hat, AB
- Full-time
…development projects across Western Canada. As a Environmental Project Manager, Transportation & Municipality Specialist you'll lead some of the region's most complex environmental…
Added 11 mins ago
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Senior Manager- Clean Economy
Deloitte
Fredericton, NB
- Full-time
…member of the team you will apply your skills and knowledge to lead client engagements which may include pre-claim consultations, claim preparation and documentation, audit defense, sales,…
Added 11 mins ago
OP
Security Programs Senior Consultant
Ontario Power Generation
Oshawa, ON
- Full-time
Lead and guide project teams addressing security programs, training, systems, and operational issues; ensure personnel qualifications and recertification requirements are maintained.
Added 11 mins ago
D
Senior Manager- Clean Economy
Deloitte
Saint John, NB
- Full-time
…member of the team you will apply your skills and knowledge to lead client engagements which may include pre-claim consultations, claim preparation and documentation, audit defense, sales,…
Added 11 mins ago
TU
Employer Liaison & Marketing Assistant
The University of British Columbia
Vancouver, BC
- $5,027 to $5,413 CAD / month
- Full-time
Poor judgment, errors or delay in project deliverables has a significant impact on the program and may lead to loss of student jobs, potential financial support and the reputation and…
Added 11 mins ago
AE
Sr. Materials Innovation Manager – Advanced Concepts
Arc'teryx Equipment
North Vancouver, BC
- Full-time
As the Sr. Materials Innovation Manager – Advanced Concepts, you lead the advanced materials development function, creating industry-leading textile technology platforms and collaborating…
Added 11 mins ago
TT
Program Manager
Top Tier Talent Group
Belleville, ON
- Full-time
Diploma or degree in a related field such as Business, Technical, or Project Management (an asset)
Added 11 mins ago
IG
Press/Forge Engineering Technician
IMT Group
Ingersoll, ON
- $65,000 to $85,000 CAD / year
- Full-time
Lead by example in a team-oriented environment
Added 11 mins ago
BC
Mechanical Engineer – Thermal Power Systems
BBA Consultants
Mont-Saint-Hilaire, QC · Mont-St-Hilaire, QC
- Full-time
…implementing solutions. You’ll play a primarily technical and project management role in the mandates assigned to you. You’ll help our clients optimize their operations and support them in…

Randstad Digital

Senior Network Security Engineer

Mississauga, ON, Canada

Contract

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Applications open in a new tab.

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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