Why Work Here? At ATCO, your expertise can help shape how we navigate technology risk today and prepare for what comes next. As Senior IT Internal Auditor, you’ll lead complex audit and advisory work, offer practical insights to senior leaders, and help strengthen the systems, controls, and practices that support informed decision-making across the organization.

You’ll do that work within a community grounded in caring, integrity, agility, and collaboration. Along with opportunities to grow your own capabilities, you’ll mentor others, contribute to continuous improvement, and help build an audit culture that is agile, forward-looking, and ready to embrace change.

About the Role: The Senior IT Auditor, Internal Audit plays a key role in strengthening our technology, cybersecurity, and risk-management environment. You’ll lead audits and advisory engagements that assess controls, compliance, and process efficiency across the organization’s IT and cybersecurity landscape.

You’ll help keep audit programs agile and responsive to emerging risks, contribute to departmental development and continuous improvement initiatives, and mentor junior audit team members. Along the way, you’ll build trusted relationships across the organization and deliver meaningful insights that support strong governance and informed decision-making.

What You Get to Do: Audit & Advisory Engagements

Lead IT audit and advisory engagements to assess controls, compliance, and operational effectiveness across technology governance, cybersecurity, access management, change management, IT operations, applications, infrastructure, cloud services, data management, disaster recovery, and third-party services

Manage all phases of the audit lifecycle, including risk assessment, audit program development, testing, interviews, walkthroughs, reporting, documentation, and file close-out





Identify and clearly communicate findings and practical, risk-informed recommendations to auditee management and senior leaders

Assess management action plans and complete follow-up testing to verify remediation and support continuous improvement

Department Contributions

Help develop and refine internal audit policies, procedures, methodologies, and quality programs

Drive continuous improvement through peer reviews, lessons-learned sessions, and the development of practical training resources

Support development of the annual Internal Audit Plan and help align audit priorities with emerging organizational risks

Build effective relationships and serve as a key connection between Internal Audit and stakeholders across the organization

Development & Leadership

Coach and mentor junior audit team members to build capability, confidence, and sound qualified judgment

Deliver training and practical guidance on audit methodologies, procedures, and testing techniques

Assign and oversee work completed by junior and support auditors to ensure clarity, accountability, quality, and alignment with audit objectives

What You Bring

Undergraduate degree in Information Technology, Computer Science or Cybersecurity

7+ years of professional experience in IT including cybersecurity, or Internal Audit with a focus on technology audits

At least one completed professional certification: CISM (Certified Information Security Manager), CISSP (Certified Information Systems Security Professional), CRISC (Certified in Risk and Information Systems Control),



CISA (Certified Information Systems Auditor), or CIA (Certified Internal Auditor)

Knowledge of technology risk and control frameworks, including COBIT, NIST Cybersecurity Framework, ISO 27001, COSO, the IIA’s GIAS, and the Three Lines of Defense model

High ethical standards and integrity; leads by example

Strategic thinker with strong analytical capabilities and a holistic view of organizational impact

Excellent interpersonal skills; able to build relationships across diverse stakeholders

Team-oriented with a team-oriented mindset

Strong analytical and strategic thinking skills

Ability to communicate complex findings clearly and diplomatically to senior stakeholders

Results-driven with commitment to meeting deadlines

High level of integrity and ethical conduct

What We Offer

A culture based on caring, integrity, agility, collaboration, and striving for excellence

Competitive compensation

Flex benefits

Tuition assistance program

Training and mentorship programs

Charitable donation matching

ATCO delivers inspired solutions for a better world. We are a diversified global corporation with investments in the essential services of Structures & Logistics, Utilities, Energy Infrastructure, Retail Energy, Transportation and Commercial Real Estate. Learn more about how we build communities, energize industries and deliver customer-focused solutions like no other company in the world at www.atco.com.

ATCO is proud to be an equal opportunity employer. Visit our website for more information.

In the spirit of reconciliation, we acknowledge the traditional territories and homelands on which many of our ATCO operations and facilities are located. We honour and respect the diverse history, languages, ceremonies, and culture of the Indigenous Peoples who call these areas home.

📌 Senior IT Auditor (Calgary)
🏢 CA
📍 Calgary