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As a Senior Lead IT Security Architect, you will translate business strategy into secure, resilient, and scalable technology architecture that protects the organization’s critical information and systems. Your goal will be to ensure cybersecurity architecture across business processes, information flows, and technology systems is designed and implemented in alignment with cybersecurity principles, architecture standards, and risk‑management practices. Your success will come from defining security‑focused architecture strategies, guiding complex infrastructure and application designs, proactively identifying and mitigating cybersecurity risks, and leading the evolution from current‑state to future‑state architectures while partnering closely with IT architects and business leaders to enable strong business outcomes.

If you are interested in this exciting opportunity, please apply by November 9th, 2026.

What We Offer:

- Work Environment – Work in our beautiful home office building with access to a fitness facility, onsite nurse, and a café
- Competitive Compensation – Including an annual bonus plan, pension plan, and parking allowance




- Flexible Benefits Plan –In effect from day one and offers three levels of coverage to select from to meet your unique, personal needs
- Paid Vacation –Plus an annual option to purchase additional vacation, too
- Wellness Support –With an annual wellness allowance, paid personal care days and a 24/7 Employee & Family Assistance Program
- Opportunity to give back to some amazing causes in our community –Choose when and where to make an impact with a paid volunteer day, company volunteer opportunities, and a donation matching program

Your Responsibilities:

- Define, assess, and drive security architecture strategies, principles, and standards aligned with business and IT security objectives
- Maintain a comprehensive security architecture across business, information, systems, and technology domains
- Conduct threat‑aware architecture reviews to identify gaps, control weaknesses, and improvement opportunities
- Design and develop secure architecture solutions for infrastructure, applications, data, and technology platforms
- Develop technical specifications for new platforms, services, and applications.
- Evaluate product and service compatibility to ensure secure integration across systems
- Guide the creation of target‑state architectures, roadmaps, and migration plans.




- Collaborate closely with IT partners and business leaders to balance business outcomes with cybersecurity risk

Your Skills:

- Robust analytical and problem‑solving skills with a structured approach to design and risk analysis
- Ability to apply industry‑recognized architecture and development techniques to complex IT solutions
- Strong modeling skills using industry standards and frameworks
- Excellent communication skills, able to explain complex cybersecurity concepts to diverse audiences
- Highly organized and effective at prioritizing in a fast‑paced environment
- Strong incident, problem, and root‑cause analysis abilities

Your Experience:

- Bachelor’s or Master’s degree in Computer Science, Information Technology, Information Systems, or equivalent experience
- 15+ years of experience, including 10+ years in system and security architecture, design, development, and deployment
- Experience with cybersecurity frameworks, cloud architecture, cybersecurity technologies, and preferably TOGAF

The expected salary range for this position is $114,943- $201,151. Placement within the range will be based on relevant experience, qualifications and skills.

Irving Oil is committed to supporting a diverse and inclusive work environment. We thrive on the good energy that’s created when our people from different backgrounds, identities, cultures and experiences share their unique perspectives. Diversity is key to our success and inclusion is everyone’s responsibility.​

Job Requirements - Work Experience

Job Requirements - Education

📌 Senior Lead IT Security Architect (Saint John)
🏢 Irving Oil
📍 Saint John