
David Cristobal
IT Helpdesk Support

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About me
Head of Data Analytics (Internal Audit) at SIA
Education

Universidad Politécnica de Madrid
1999 - 2004Engineer Computer SciencesFirst cicle of the computer sciences engineer degree

Universidad Europea de Madrid
2005 - 2006Engineer Computer SciencesArtificial Intelligence Specialization
Experience

Europcar
Jul 2005 - Sept 2005IT Helpdesk SupportMy duties included providing helpdesk support, assisting users, and resolving software and hardware issues.

Siemens
Jul 2006 - Sept 2006Sales ConsultantMy duties included client support, ensuring proper preventive maintenance and fault corrections, as well as customizing software based on specific requirements.

Ernst & Young
Sept 2006 - Sept 2010My duties involved delivering projects outlined in the IT audit plan, including IT General Controls (ITGC) reviews and IT-related aspects of operational audits reliant on IT systems. I prepare audit reports, communicate findings to management, and provide recommendations to strengthen security and improve operational efficiency.
Senior IT Auditor
Jul 2008 - Sept 2010Junior IT Auditor
Sept 2006 - Jun 2008

Kerry Group
Apr 2011 - Sept 2012Internal IT AuditorI am responsible for:• Performing IT General Controls to ensure security and compliance with Group policies and/or International Best Practices• Communicating audit findings to Management and Auditees

DAA
Sept 2012 - Sept 2013Internal Auditor / CAATS Specialist (ACL)Reporting directly to the Head of Group Internal Audit, I am responsible for:- Producing independent data analysis across various processes using CAATs (ACL), with a focus on areas such as AP, AR, GL, T&E, Inventory, HR, and Payroll- Delivering and managing continuous monitoring activities with ACL Server- Providing ACL training- Process automation (mainly VBA)- Ad-hoc projects for other departments in data analysis and automation

ARYZTA
Sept 2013 - Oct 2023Reporting directly to the Head of Group Internal Audit, I am responsible for:- Developing and executing the department's data strategy- Conducting transactional analytics using Python, ACL, and SQL- Creating managerial analytics dashboards with Tableau and Power BI- Designing and managing ETL pipelines- Data cleansing and management- Process improvement through automation initiatives (UiPath)- Communicating results and insights to stakeholders- Supporting Risk function on risk management activities- Supporting team development through mentorship and training Show less
Data Analytics Manager
Mar 2015 - Oct 2023Data Analytics Manager
Sept 2013 - Mar 2015

Singapore Airlines
Nov 2023 - nowHead of Data Analytics (Internal Audit)Reporting directly to the Head of Group Internal Audit, I am responsible for:- Developing and executing the department's data strategy- Conducting transactional analytics using Python (and SQL)- Creating managerial analytics dashboards with Tableau (and Power BI)- Designing and managing ETL pipelines- Data cleansing and management- Driving process improvement through automation initiatives (RPA with Python)- Communicating results and insights to stakeholders- Supporting the Risk function in risk management activities- Mentoring and training team members- Providing consulting and support in data analysis and automation for other departments (Finance, Operations, etc.) Show less
Licenses & Certifications

Certified Information Security Manager (CISM)
ISACAMar 2014
ACL Certified Data Analytics (ACDA)
ACLOct 2012
Certified Information Systems Auditor (CISA)
ISACAJan 2010- View certificate
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Certified Information Systems Security Professional (CISSP)
(ISC)²Jun 2023 .webp)
Lean Six Sigma Green Belt
Advanced Innovation Group Pro Excellence (AIGPE™)Dec 2022
The Power MBA
ThePower Business SchoolNov 2021- View certificate
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Certified Fraud Examiner (CFE)
Association of Certified Fraud Examiners (ACFE)Jun 2013 - View certificate

Certified Cloud Security Professional (CCSP)
ISC2Apr 2025
Languages
- enEnglish
- spSpanish
- frFrench
- chChinese
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