Senior Platform Specialist – Network Services (F5)

Job Title: Senior Platform Specialist – Network Services (F5)

Location: Toronto, ON (Onsite)

Estimated Duration: Fulltime

Client: Canadian Tire
About Us
Canadian Tire Corporation, Limited (“CTC”) is one of Canada’s most admired and trusted companies. With more than 90 Owned Brands, 1,700 retail locations, financial services, exemplary e-commerce capabilities, and exciting market-leading merchandising strategies. We dream big and work as one to innovate with purpose for our customers at every level of our business, investing in new technologies and products, and doubling down on top talent to drive the company forward. We offer competitive salaries and wages to CTC employees, as well as store discounts, supported learning through our Triangle Learning Academy, Canadian Tire Profit Sharing, and retirement and savings programs for eligible employees. As part of our enhanced flex benefits program, we offer mental health benefits in the amount of $5,000 per year for benefits-eligible employees and their families, including total well-being, and mental health tools and resources for all employees. Join us in helping to make life in Canada better through living and working our Core Values: we are innovators and entrepreneurs at our core, outcomes drive us, inclusion is a must, we are stronger together and we take personal responsibility. It is an especially exciting time to join CTC and its family of companies where career opportunities are wide-ranging! Join us, where there's a place for you here.

Senior Platform Specialist – Network Services

(F5 Load Balancing and Application Delivery Focus)

What you will do
The Sr Platform Specialist for Network Services provides advanced engineering expertise across the enterprise load balancing and application delivery platforms. This role focuses on F5 technologies including LTM, GTM or DNS, WAF, and related application delivery functions that support hybrid data centers, cloud workloads, and distributed business operations. The specialist ensures that application traffic is delivered securely, efficiently, and reliably while contributing to automation, observability, and value engineering initiatives across the Network Services organization.
Key Responsibilities
F5 Engineering and Application Delivery
              • Design, deploy, and support F5 LTM, GTM or DNS, and WAF services for internal and customer facing applications.
              • Build and maintain iRules, traffic policies, and profiles that support performance, security, and availability requirements.
              • Collaborate with application, cloud, and platform teams to design load balancing solutions for new and existing services.
              • Maintain configuration baselines and documentation to ensure consistent and predictable application delivery.

Operations and Continuous Improvement
              • Troubleshoot and resolve complex issues involving load balancing, SSL termination, WAF policies, global load balancing, and application traffic flows.
              • Conduct regular evaluations of F5 configurations to optimize performance and remove unnecessary complexity.
              • Support migration and modernization efforts related to application delivery platforms, including cloud integrations.
              • Deliver clear operational playbooks and process improvements to reduce risk and increase reliability.

Automation and Scripting
              • Create and maintain Python scripts, Ansible playbooks, or other automation tools that streamline provisioning, configuration, and validation tasks.
              • Integrate F5 platforms with monitoring, IPAM, and CI or CD systems through APIs and automation frameworks.
              • Contribute to network as code practices by developing templates and automated deployment pipelines.

Collaboration and Alignment
              • Partner with Network Services, Network Platforms, Application, and Security teams to ensure alignment of load balancing and WAF policies with broader enterprise architecture.
              • Support audit and compliance activities related to application delivery and WAF configurations.
              • Participate in evaluations of new tools and features with a focus on performance, security, cost, and operational simplicity.
What you bring
              • Bachelor’s degree in Computer Science, Information Systems, or related field. Equivalent experience is welcome.
              • Strong hands-on experience with F5 platforms including LTM, GTM or DNS, ASM or WAF, and related modules.
              • Proven ability to design, optimize, and troubleshoot load balancing, global traffic management, SSL offload, and advanced traffic policies.
              • Experience with Python or similar scripting languages.
              • Familiarity with automation tools such as Ansible, Terraform, or similar platforms is preferred.
              • Understanding of application architectures, HTTP and TCP traffic flows, certificates, and DNS principles.
              • Strong analytical and problem solving skills with a commitment to operational excellence.
              • A mindset focused on automation, value engineering, and reliable delivery.

Our Commitment to Diversity, Inclusion and Belonging 
We are committed to fostering an environment where belonging thrives, and diversity, inclusion and equity are infused into everything we do. We believe in building an organizational culture where people are consistently treated with dignity while respecting individual religion, nationality, gender, race, age, perceived ability, spoken language, sexual orientation, and identification. We are united in our purpose of being here to help make life in Canada better.
 
Accommodations  
We stand firm in our Core Value that inclusion is a must. We welcome and encourage candidates from equity-seeking groups such as people who identify as racialized, Indigenous, 2SLGBTQIA+, women, people with disabilities, and beyond. Should you require any accommodation in applying for this role, or throughout the interview process, please make them known when contacted and we will work with you to help meet your needs.