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Irving Oil

Senior Lead IT Security Architect

Saint John, NB, Canada

The expected salary range for this position is $114,943- $201,151. · Full-time

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Job details

Pay: The expected salary range for this position is $114,943- $201,151.
Job type: Full-time
Apply by: Nov 11, 2026
Experience: 15+ years of experience, including 10+ years in system and security architecture, design, development, and deployment
Posting language: English
Posted: Oct 27, 2026

Original job description

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:

Strong 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

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More about this job

Responsibilities

Define and drive security architecture strategies that align business objectives with secure, scalable technology solutions. Conduct threat-aware reviews and collaborate with IT partners to mitigate risks while designing secure infrastructure and applications.

Requirements

Requires a Bachelor's or Master's degree in Computer Science or related field with over 15 years of experience. Candidates must possess extensive expertise in system and security architecture, cybersecurity frameworks, and cloud technologies.

Skills

Security architecture
Cybersecurity principles
Risk management
Infrastructure design
Application design
Threat-aware architecture
Technical specifications
Analytical skills
Problem-solving
Modeling skills
Communication skills
Incident analysis
Root-cause analysis
Cloud architecture
TOGAF

Benefits

Annual bonus plan
Pension plan
Parking allowance
Flexible benefits plan
Paid vacation
Annual wellness allowance
Paid personal care days
Employee & family assistance program
Paid volunteer day
Donation matching program

Visa sponsorship

Not detected in the job text

Keywords

Security Architecture
Cybersecurity
Risk Management
Cloud Architecture
TOGAF
Infrastructure Design
Application Design
Threat-aware
Information Security
System Architecture
Technical Specifications
Data Security
IT Strategy
Resilient Architecture
Scalable Architecture
Incident Analysis
Root-cause Analysis
Modeling
Compliance
Security Standards

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