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Codex Jobs in Ontario (NOW HIRING)

Geotab

Senior IT Application Specialist

Oakville, ON

You will use AI tools such as Claude Code, Codex, OpenCode, and Gemini CLI daily to write, review, and orchestrate code; build and deploy advanced workflow automations using LLM APIs and platforms ...

AutoTrader.ca

Senior Platform Engineer

Toronto, ON

You reach for Claude, Codex, and agents to get real work shipped, and you'd rather build something and learn from it than research it forever. You bring solid infrastructure and AWS fundamentals ...

DoorDash Canada

Software Engineer, Backend

Toronto, ON · On-site +1

Proficiency in using AI coding tools (e.g., Claude Code, Codex, Cursor) in the full software development lifecycle, including designing, generating code, testing, monitoring and releasing software

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Pinterest

Software Engineer II, Web

Toronto, ON · On-site +1

Claude Code, Cursor, Codex) and a point of view on how to harness them for large-scale migrations, code generation, and developer workflow automation. * Love for Web and drive to keep up-to-date with ...

OpsGuru

Customer Reliability Engineer

Toronto, ON · Remote

$140K/yr

Experience working with Claude Code, Codex or similar AI driven development environment Nice to haves: * Experience with Docker and Kubernetes (EKS/ECS), including container image patching ...

Monks

Software Engineering Team Lead

Toronto, ON · Hybrid

Experience using AI coding tools (Claude Code, Codex) to build software solutions. Not a must, but a plus: * Background working in high-compliance environments (HIPAA, SOC2, etc.). * Experience with ...

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Infographic showing various Codex job openings in Ontario as of August 2026, with employment types broken down into 85% Full Time, 6% Part Time, and 9% Contract. Highlights an 72% Physical, 7% Hybrid, and 21% Remote job distribution.

Senior IT Application Specialist

Geotab

Oakville, ON

Full-time

Medical, Dental, Retirement

Re-posted 26 days ago

Job description

Who you are:

We are always looking for amazing talent who can contribute to our growth and deliver results! Geotab is seeking a Senior IT Application Specialist who will lead the evaluation, selection, and implementation of AI-driven solutions to design, configure, and maintain Geotab's enterprise IT application systems. You will serve as the primary subject matter expert, shape the strategic roadmap for complex application portfolios, and mentor team members to raise the team's overall AI and application maturity. If you love AI-powered automation, building intelligent workflows, and working at the frontier of enterprise technology - we would love to hear from you!

What you'll do:

As a Senior IT Application Specialist your key area of responsibility will be owning the end-to-end lifecycle of enterprise applications - from roadmap definition and architectural strategy through deployment, ongoing health, and continuous AI-driven improvement. You will use AI tools such as Claude Code, Codex, OpenCode, and Gemini CLI daily to write, review, and orchestrate code; build and deploy advanced workflow automations using LLM APIs and platforms such as GCP Cloud Functions, AWS Lambda, and n8n; and design AI agent skills and autonomous workflows with production-grade governance. You will also perform daily health checks, drive automation of health monitoring, lead performance tuning initiatives, and coordinate upgrade planning to ensure high availability across the enterprise application landscape.

To be successful in this role, you will need to work closely with business owners to understand needs, manage expectations, and identify improvement opportunities, while partnering with adjacent engineering and operations teams to troubleshoot complex issues and develop long-term solutions. You will facilitate high-stakes incident response and architectural review sessions, lead AIOps monitoring deployments for predictive detection and automated anomaly identification, and provide strategic recommendations to management on AI adoption and technology direction. The ideal candidate is a strong team player with an entrepreneurial mindset, thrives in a flat organization, and communicates complex technical ideas clearly to both technical and business audiences.

How you'll make an impact:

  • Use AI to write, review, and orchestrate code daily using tools such as Claude Code, Codex, OpenCode, and Gemini CLI - demonstrating advanced proficiency.

  • Evaluate and select AI tools, frameworks, and platforms for team adoption, assessing business fit, security, and scalability.

  • Own end-to-end design, planning, execution, and testing for projects, enhancements, and break/fix issues across enterprise applications.

  • Build and deploy advanced workflow automations using LLM APIs, orchestration frameworks, and platforms such as GCP Cloud Functions, AWS Lambda, and n8n.

  • Design and implement AI agent skills, tool integrations, and autonomous workflows with production-grade governance.

  • Deploy and manage AIOps monitoring for predictive detection, automated anomaly identification, and AI-driven incident response.

  • Architect technical strategy for critical applications - from roadmap definition through deployment - often in ambiguous problem spaces.

  • Lead problem-solving across the team and adjacent teams, facilitating high-stakes incident response and architectural review sessions.

  • Mentor IT Applications Specialists through knowledge transfer, cross-training, and centralized knowledge management.

  • Create and maintain SOPs, technical documentation, and knowledge base content, leveraging AI for drafting and knowledge retrieval.

What you'll bring to the role:

  • Post-secondary diploma or degree in Computer Science, Engineering, or a related field; equivalent combination of education and demonstrable experience in AI/automation technologies may be substituted.

  • 5-8 years of experience in technical, functional, and system support of IT applications, including cloud platform and enterprise application environments.

  • At least 3 years of hands-on experience building and deploying AI-powered automation in production environments (portfolio, projects, or practical assessment required).

  • Advanced proficiency using AI coding tools (Claude Code, Codex, OpenCode, Gemini CLI) with demonstrated ability to write, review, and orchestrate production-grade code.

  • Strong programming and scripting skills in Python, PowerShell, and Bash; expert-level Linux administration; and advanced knowledge of SSO methodologies (SAML, LDAPS) and Zero Trust Architecture.

  • Experience with cloud platforms (Google Cloud, AWS, Microsoft Azure), containerization (Docker), infrastructure automation, and AIOps/observability tools (Prometheus, Grafana, Datadog, Splunk, or similar).

  • Availability to participate in a 247 on-call rotating schedule.

If you got this far, we hope you're feeling excited about this role! Even if you don't feel you meet every single requirement, we still encourage you to apply.
 
Please note: Geotab does not accept agency resumes and is not responsible for any fees related to unsolicited resumes. Please do not forward resumes to Geotab employees.
 
This posting is for an existing vacancy.
 
Why job seekers choose Geotab:

Flex working arrangements
Home office reimbursement program
Baby bonus & parental leave top up program
Online learning and networking opportunities
Electric vehicle purchase incentive program
Competitive medical and dental benefits
Retirement savings program

*The above are offered to full-time permanent employees only

How we work:
At Geotab, we have adopted a flexible hybrid working model in that we have systems, functions, programs and policies in place to support both in-person and virtual work. However, you are welcomed and encouraged to come into our beautiful, safe, clean offices as often as you like. When working from home, you are required to have a reliable internet connection with at least 50mb DL/10mb UL. Virtual work is supported with cloud-based applications, collaboration tools and asynchronous working. The health and safety of employees are a top priority. We encourage work-life balance and keep the Geotab culture going strong with online social events, chat rooms and gatherings. Join us and help reshape the future of technology!
 
We believe that ensuring diversity is fundamental to our future growth and progress and is an integral part of our business. We believe that success happens where new ideas can flourish - in an environment that is rich in diversity and a place where people from various backgrounds can work together. Geotab encourages applications from all qualified individuals. We are committed to accommodating people with disabilities during the recruitment and assessment processes and when people are hired. We will ensure the accessibility needs of employees with disabilities are taken into account as part of performance management, career development, training and redeployment processes. If you require accommodation at any stage of the application process or want more information about our diversity and inclusion as well as accommodation policies and practices, please contact us at careers@geotab.com. By submitting a job application to Geotab Inc. or its affiliates and subsidiaries (collectively, "Geotab"), you acknowledge Geotab's collection, use and disclosure of your personal data in accordance with our Privacy Policy. Click here to read our Privacy Notice. 

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