Aidan OByrne
@aidanobyrne
Cybersecurity professional specializing in GRC, risk assessment, and compliance with ISO/NIST frameworks.
CanadaWhat I'm looking for
I am a cybersecurity professional focused on Governance, Risk, and Compliance (GRC), with hands-on experience assessing, implementing, and auditing cybersecurity standards such as NIST and ISO 27001.
At Fasken I lead internal audits, support ISO 27001 certification activities, evaluate ITGCs and application controls, and collaborate with Legal, Compliance, and IT to remediate control deficiencies.
Previously at Mazars I delivered 25+ internal audits, vulnerability assessments, and penetration testing across government, healthcare, and regulatory clients, producing detailed audit reports and stakeholder recommendations.
I mentor junior staff, run training on risk and compliance, and continuously pursue certifications (CRISC, CISM) to advance enterprise risk management and cybersecurity leadership.
Experience
Work history, roles, and key accomplishments
Information Security Analyst
Fasken Martineau DuMoulin LLP
Apr 2024 - Present (1 year 5 months)
Lead internal audits and process walkthroughs to identify key controls and risks, support ISO 27001 certification efforts, and oversee remediation to improve ITGCs and application controls across the firm.
Senior IT Auditor
Mazars
Oct 2021 - Jan 2024 (2 years 3 months)
Conducted 25+ internal audits and vulnerability assessments across government, healthcare, and regulatory clients, ensuring compliance with NIST, ISO and GDPR and delivering findings and remediation recommendations to stakeholders.
Service Desk Analyst
Ergo Group
Oct 2020 - Oct 2021 (1 year)
Provided global IT service desk delivery by troubleshooting hardware/software issues, performing installations and minor repairs, and ensuring SLA adherence to maintain daily system performance.
Education
Degrees, certifications, and relevant coursework
IPISACA (in progress)
Professional Certifications (CRISC, CISM), Risk and Information Security Management
Currently studying for CRISC and CISM certifications to advance skills in risk and information security management.
NINational College of Ireland
Bachelor of Science, Computer Science
Grade: Honours
Bachelor of Science (Honours) in Computer Science awarded by the National College of Ireland.
Rathmines College of Further Education
FETAC Level 6 Diploma, Advanced Computing
Grade: Honours
FETAC Level 6 Advanced Computing qualification completed with honours at Rathmines College of Further Education.
Coursera / Google
Professional Certificate, Cybersecurity
Completed the Google Cybersecurity Professional Certificate via Coursera.
Coursera / Google Cloud
Project Certificate, Cloud / Containerization
Completed the Google Cloud Introduction to Docker project certificate via Coursera.
CompTIA / Dion Training Solutions
Certification (Security+), Information Security
Completed CompTIA Security+ (SY0-701) training and exam preparation through Dion Training Solutions.
Tech stack
Software and tools used professionally
Availability
Location
CanadaAuthorized to work in
Job categories
Skills
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