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Added 1 month ago
E
Junior Network Engineer (Remote)
Ennismore
Remote, Canada
- Full-time
- Remote
Junior - Data Center Operations · Americas Region(12–18 Month Contract)About OptoraAt Optora, we're an international team of dedicated, creative IT experts united by a shared passion for…
Added 1 month ago
C
Senior OT Network and Security Engineer
CBRE
Toronto, ON
- Full-time
As a CBRE Senior Network and Security Engineer, you’ll be responsible for the design, delivery, and operational excellence of building-level IT and OT networks across the portfolio.
Added 1 month ago
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Senior Cloud Infrastructure Engineer - Operate (Future Opportunity)
Deloitte
Toronto, ON
- Full-time
HIMS Operations is proactively seeking a Senior Consultant for a "future opportunity" to operate, and continuously improve secure, resilient infrastructure across public cloud and…
Added 1 month ago
T
Senior Software Security Engineer
TimePlay
Toronto, ON
- Full-time
We are looking for a Senior Security Engineer to own and mature our security function across product, infrastructure, operations, and governance. This is a senior individual contributor…
Added 2 months ago
BC
Engineer and Project Leader, Industrial Electrical (Relocation to Sept-Îles)
BBA Consultants
Val-d'Or, QC
- Full-time
…industrial clients in the energy and mining markets with their operations and their maintenance or growth projects. In more practical terms, you’ll be called upon to perform site surveys…
Added 2 months ago
BC
Engineer and Project Leader, Industrial Electrical (Relocation to Sept-Îles)
BBA Consultants
Mont-Tremblant, QC
- Full-time
…industrial clients in the energy and mining markets with their operations and their maintenance or growth projects. In more practical terms, you’ll be called upon to perform site surveys…
Added 1 month ago
O
Senior Data Engineer, Data Integration & Performance Platform (12-Month Contract)
OMERS
Toronto, ON · Head Office Toronto
- Full-time
This is a senior engineering role on a multi‑year investment platform transformation that is replacing our core investment book of record with BlackRock Aladdin and building a new cloud…
Added 1 month ago
O
Data Engineer, Data Integration & Performance Platform (12-Month Contract)
OMERS
Toronto, ON · Head Office Toronto
- Full-time
…someone to simply complete tickets. We are looking for a future senior engineer - someone who wants to learn how enterprise data platforms are built, operated, and scaled, and who is…
Added 1 month ago
A
Senior Electrical Engineer
AECOM
Calgary, AB
- $150,000 to $220,000 CAD / year
- Full-time
We are seeking a highly skilled and experienced Senior Electrical Engineer to join our Canadian Mine Infrastructure team.
Added 1 month ago
A
Senior Electrical Engineer
AECOM
Markham, ON · Calgary, Alberta
- $150,000 to $220,000 CAD / year
- Full-time
We are seeking a highly skilled and experienced Senior Electrical Engineer to join our Canadian Mine Infrastructure team.
Added 1 month ago
A
Senior Electrical Engineer
AECOM
Sudbury, ON · Calgary, Alberta
- $120,000 to $200,000 CAD / year
- Full-time
We are seeking a highly skilled and experienced Senior Electrical Engineer to join our Canadian Mine Infrastructure team.
Added 1 month ago
Senior AI/ML Engineer
Katalyst Data Management
Calgary, AB
Join the dynamic and collaborative team at Katalyst Data Management (KDM)! KDM is seeking a Senior AI/ML Engineer to help design, build, and operate the infrastructure that powers our next…
Added 1 month ago
DM
Senior Engineer, Process Controls
DMC Mining Services
Thunder Bay, ON
- Full-time
DMC is currently looking for a Senior Engineer, Process Controls to join our team on a permanent basis, based in Thunder Bay, Ontario. The Senior Engineer, Process Controls will be…
Added 4 months ago
BT
WiFi & Enterprise Networks Operations Engineer
Beanfield Technologies Inc.
Toronto, ON
- $80,000 to $95,000 CAD / year
- Full-time
The WiFi & Enterprise Networks Operations Engineer is responsible for the day-to-day operational support, monitoring, maintenance and hands-on troubleshooting of Beanfield's wireless and…
Added 1 month ago
A
Senior Network Engineer
Affinity
Toronto, ON
- Contract
On behalf of our client, Affinity is seeking a hands-on Senior Network Engineer to support a large-scale Cisco infrastructure refresh across a complex enterprise environment. This is a…
Added 1 month ago
SC
Senior Engineer - Operational Design & Engineering
Staples Canada
Richmond Hill, ON
- Full-time
Reporting to the Manager, Supply Chain Strategy & Engineering, the Senior Engineer, ODE will contribute to the design, evaluation, and implementation of distribution and fulfillment-related…
Added 1 month ago
GG
Electrical Engineer
Giampaolo Group Inc.
Brampton, ON
- Full-time
Reporting to the Senior Director, Engineering and Maintenance, the Electrical Engineer will provide support across a variety of functional groups by providing innovative solutions that…
Added 1 month ago
UM
Senior Electrical Engineer
Ultra Maritime
Dartmouth, NS
- Full-time
The Senior Electrical Engineer will work as part of a multi-disciplinary project team developing new and innovative electronics solutions to meet customer needs. The Senior Electrical…
Added 1 month ago
ZT
Cloud Security Engineer - Advanced
Zebra Technologies
Mississauga, ON
- Full-time
Direct experience partnering with Cloud Engineering, Network, Identity, Security Operations, and application teams to assess risk and recommend secure design patterns.
Added 1 month ago
MP
Senior Mining Engineer
Michael Page
Vancouver, BC
- $140,000 to $160,000 CAD / year
- Full-time
As a Senior Mining Engineer in Vancouver, you will play a key role in designing and optimizing mining operations to ensure maximum efficiency and safety. You will also collaborate with…
Added 1 month ago
AW
Senior Systems Engineer
Aviso Wealth
Remote, Canada
- $110,000 to $120,000 CAD / year
- Full-time
- Remote
We’re looking to fill an opening for a Senior Systems Engineer to join our Technology Ops & Support Partners team.
Added 1 month ago
AW
Senior Systems Engineer
Aviso Wealth
Remote, Canada
- $110,000 to $120,000 CAD / year
- Full-time
- Remote
We’re looking to fill an opening for a Senior Systems Engineer to join our Technology Ops & Support Partners team.
Added 1 month ago
I
Principal Engineer, Architecture
iQmetrix
Regina, SK
- Full-time
We are hiring a Principal Engineer, Architecture. This is a senior individual contributor role for someone who is still happiest with their hands on the keyboard, and who thinks in systems…
Added 1 month ago
CF
Senior Observability Engineer
CI Financial
Toronto, ON
- Full-time
We are seeking a Mid-Level Observability Engineer to help build, maintain, and enhance our enterprise monitoring and observability capabilities across cloud and hybrid environments. This…
Added 1 month ago
Senior Software Engineer
Fleetworthy
Edmonton, AB
The Senior Software Engineer is a hands-on technical contributor embedded in our agile development organization, helping build and deliver our next-gen compliance platform. You bring the…

Affinity

Senior Network Engineer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Posting language: English
Posted: Sep 1, 2026

Original job description

Job Description

On behalf of our client, Affinity is seeking a hands-on Senior Network Engineer to support a large-scale Cisco infrastructure refresh across a complex enterprise environment. This is a delivery-focused role where the successful candidate will execute approved network designs through build, testing, implementation, and post-cutover validation. Working within a highly regulated environment, the engineer will be responsible for end-to-end network changes, including configuration, change management, troubleshooting, documentation, and maintenance window execution.

Responsibilities

Execute switch and router replacements across data centre, branch, and campus environments - staging, configuration, cutover, and validation
Build and standardize configurations from approved templates; identify and flag drift
Own your changes end to end: write the change record, present it at CAB, execute in the window, validate, and close
Troubleshoot L2/L3 issues under time pressure during and after cutovers, including rollback decisions
Perform pre-cutover discovery and dependency mapping on legacy gear
Update as-builts, diagrams, and IPAM records - accurately, without being chased
Coordinate directly with app teams, security, facilities, and vendors to sequence work
Work independently across multiple concurrent sites with minimal supervision

Qualifications

8+ years hands-on enterprise network engineering, with the majority in operations and implementation rather than design
Deep Cisco routing and switching: Catalyst (9000 series), Nexus (NX-OS, vPC, VDC), ISR/ASR, IOS-XE
Demonstrated delivery on at least one large-scale hardware refresh or migration program
Strong core protocol depth: BGP, OSPF, EIGRP, spanning tree, VLANs, VRFs, HSRP/VRRP, QoS
Proven experience in banking, insurance, or capital markets - you understand regulated change control, segregated environments, and why a failed window is a serious event
Comfortable working in ITIL change management (ServiceNow or equivalent) and writing your own change records
Willing and available to work scheduled evening and weekend maintenance windows
Self-directed: takes a work package, asks the right questions once, and delivers without daily direction
CCNP or CCIE (R&S / Enterprise Infrastructure)
Cisco ACI, SD-WAN (Viptela), DNA Center / Catalyst Center
Cisco ISE and 802.1X in a production financial environment
Firewall exposure (Palo Alto, Cisco ASA/FTD)
Automation for repetitive config work - Python, Ansible, or Netmiko

Affinity Earn

Know someone who’s great for this, or any of our open roles? Earn up to $4,000/year for each successful referral through Affinity Earn. You can also earn up to $50,000 for helping us find new clients. Learn about our referral program at https://affinity-group.ca/earn/ or browse our jobs & follow us at https://www.linkedin.com/company/affinity-staffing/jobs/

About Affinity

Affinity Group is a technology and business consulting and services company. We believe in creating long term relationships between clients and consultants that foster a mutually beneficial partnership. Affinity is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment is decided on the basis of qualifications, merit and business need.

For more information on Affinity, please visit www.affinity-group.ca

Job Number: 13902

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More about this job

Responsibilities

Execute a large-scale Cisco infrastructure refresh including the build, testing, and implementation of switches and routers. Manage end-to-end network changes, including documentation, CAB presentations, and post-cutover validation.

Requirements

Requires over 8 years of enterprise network engineering experience with deep expertise in Cisco Catalyst and Nexus platforms. Must have a proven track record in regulated environments like banking and hold a CCNP or CCIE certification.

Skills

Cisco Routing and Switching
Cisco Nexus
BGP
OSPF
EIGRP
Cisco ACI
SD-WAN
Cisco ISE
Palo Alto Firewalls
Python
Ansible
ITIL Change Management
Network Troubleshooting
L2/L3 Networking
VLANs
VRFs

Visa sponsorship

Not detected in the job text

Keywords

Cisco
Catalyst 9000
Nexus
NX-OS
vPC
VDC
ISR
ASR
IOS-XE
BGP
OSPF
EIGRP
Spanning Tree
VLANs
VRFs
HSRP
VRRP
QoS
ITIL
ServiceNow
CCNP
CCIE
Cisco ACI
SD-WAN
Viptela
DNA Center
Cisco ISE
802.1X
Palo Alto
Ansible

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