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Added 11 mins ago
WI
Environmental Project Manager, Transportation & Municipality Specialist
WSP in Canada
SK · Saskatchewan, Canada
- Full-time
Strong ability to synthesize multidisciplinary technical information and translate it into practical regulatory strategies and client solutions.
Added 11 mins ago
D
Senior Manager- Clean Economy
Deloitte
St. John's, NL · Greater St. John's Metropolitan Area
- Full-time
…advisor and to gain a broader view of business challenges and solutions beyond these ITCs. You will also have opportunities to lead and support sales as we grow our Clean Economy ITC…
Added 12 mins ago
WI
Environmental Project Manager, Transportation & Municipality Specialist
WSP in Canada
AB · Edmonton, AB
- Full-time
Strong ability to synthesize multidisciplinary technical information and translate it into practical regulatory strategies and client solutions.
Added 12 mins ago
WI
Environmental Project Manager, Transportation & Municipality Specialist
WSP in Canada
Medicine Hat, AB
- Full-time
Strong ability to synthesize multidisciplinary technical information and translate it into practical regulatory strategies and client solutions.
Added 12 mins ago
D
Senior Manager- Clean Economy
Deloitte
Fredericton, NB
- Full-time
…advisor and to gain a broader view of business challenges and solutions beyond these ITCs. You will also have opportunities to lead and support sales as we grow our Clean Economy ITC…
Added 12 mins ago
D
Senior Manager- Clean Economy
Deloitte
Saint John, NB
- Full-time
…advisor and to gain a broader view of business challenges and solutions beyond these ITCs. You will also have opportunities to lead and support sales as we grow our Clean Economy ITC…
Added 12 mins ago
AE
Sr. Materials Innovation Manager – Advanced Concepts
Arc'teryx Equipment
North Vancouver, BC
- Full-time
…holistic approach to identifying future needs and tangible solutions across advanced materials, products, technologies, and experiences. We are a team of builders, problem solvers and…
Added 12 mins ago
TT
Program Manager
Top Tier Talent Group
Belleville, ON
- Full-time
Solid ability to analyze technical problems and drive solutions
Added 12 mins ago
WI
Commercial Manager
WSP in Canada
Ottawa, ON
- Full-time
With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global minds unite to power local solutions.
Added 12 mins ago
A
Bim Specialist
Actalent
Ottawa, ON
- $38 to $45 CAD / hour
- Full-time
Work closely with the Project Manager and site teams to coordinate BIM deliverables with overall project schedules and installation plans.
Added 12 mins ago
WI
Environmental Project Manager, Transportation & Municipality Specialist
WSP in Canada
Saskatoon, SK
- Full-time
Strong ability to synthesize multidisciplinary technical information and translate it into practical regulatory strategies and client solutions.
Added 12 mins ago
K
Senior Manager, Food Innovation Technology
KFC
Vaughan, ON
- Full-time
The Senior Food Innovation Technology Manager is the heart of our business and can balance the art and science of innovation, development, and food safety. They have passion for food and…
Added 12 mins ago
WI
Environmental Project Manager, Transportation & Municipality Specialist
WSP in Canada
Calgary, AB
- Full-time
Strong ability to synthesize multidisciplinary technical information and translate it into practical regulatory strategies and client solutions.
Added 12 mins ago
S
Senior Product Manager - SOTI Connect
SOTI
Mississauga, ON
- $120,000 to $140,000 CAD / year
- Full-time
…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 tactical…
Added 12 mins ago
DC
Sr. Software Release Project Manager (Scaled Agile /Device Development, Systems Integration)
Danaher Corporation
Concord, ON · Guelph, ON · Toronto, ON · CAN - Concord - AB Sciex LP
- Full-time
The Senior Software Release Project Manager is responsible for reducing complexity and managing risk to ensure software and systems are developed in a predictable and efficient manner while…
Added 12 mins ago
S
Lead Business Consultant, Enterprise Data Management & Data Integration
SimCorp
Toronto, ON
- Full-time
…architecture, and integration needs, and translate these into practical solutions that support the optimal use of SimCorp…
Added 12 mins ago
T
Senior Business Analyst - Enterprise Data Management Office (EDMO)
TD
Toronto, ON
- Full-time
Technical exposure is essential. The successful candidate will be comfortable working with solution teams on data flows, metadata models, APIs, integrations, cloud and data-platform…
Added 12 mins ago
T
Manager, Engineering
TD
Toronto, ON
- Full-time
We are looking for an experienced Manager, Engineering to lead a team of technology professionals responsible for delivering and supporting business-critical applications and technology…
Added 12 mins ago
L
Senior Product Manager, Product Security
Litmus
Toronto, ON
- Full-time
Litmus is seeking a hands-on Senior Product Manager, Product Security to drive product security across Litmus Edge, Litmus Edge Manager, Litmus UNS, and related platform services.
Added 12 mins ago
FS
Financial Controller
Futran Solutions
Winnipeg, MB
- Full-time
The accounting depth. You may be an Accounting Manager, Controller, or finance professional ready to take on greater responsibility and contribute to a finance function’s evolution through…
Added 12 mins ago
M
Manager, Product Management - Media Solutions
Mastercard
Toronto, ON
- Full-time
Manager, Product Management - Media SolutionsOverview:
Added 12 mins ago
Accounting Technician
LawZero
Montreal, QC
LawZero is a non-profit organization committed to advancing research and creating technical solutions that enable safe-by-design AI systems. Its scientific direction is based on new…
Added 12 mins ago
Senior Manager, Community Affairs - New Brunswick
Bell
Fredericton, NB
…more connected future through world-class networks, AI-powered solutions, and digital experiences that elevate how people live, work, and play every…
Added 12 mins ago
Security Systems Installation Coordinator
Talencore
ON · Central Toronto (North Toronto West), Ontario
Our client, an established commercial electronic security solutions provider serving businesses across Ontario, is hiring a hands-on, detail-oriented Security Systems Installation…
Added 27 mins ago
VE
Proposal Procurement Lead (North America)
Veolia Environnement SA
Oakville, ON
- Full-time
…management, Veolia Group designs and implements innovative solutions for decarbonization, depollution, and resource regeneration, supporting communities and industries in their ecological…

Randstad Digital

Senior Network Security Engineer

Mississauga, ON, Canada

Contract

Apply About employer

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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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