About Bertil
I've spent close to 15 years in security operations for financial institutions, an environment where mistakes are expensive and regulators are watching. Now I help SMEs with the kind of security work that larger organisations have in-house but smaller ones often lack: building practical security controls, automating detection and response where it makes sense, and making sure that when something goes wrong (because it will), there's a plan in place that actually works. No fluff, no jargon-filled frameworks collecting dust. Just security that fits the reality of your business.
English
Native or bilingual
Dutch
Native or bilingual
Can work on-site
Geel (up to 30km), Eindhoven (up to 10km)
Experience
- RabobankSecurity Operations SpecialistBANKING AND INSURANCESeptember 2025 - Today (11 months)Utrecht, Netherlands
- Mentored and guided junior staff within the SOC Team, fostering a collaborative and knowledge-sharing environment.
- Oversaw and enhanced security operations for Rabobank AgriFinance, with a focus on improving SOC efficiency, strengthening security controls, and ensuring compliance with banking regulations.
- Led the development and design of new use cases, playbooks, and automation strategies using SOAR to increase SOC efficiency and optimize team workflows.
- Managed security incident response, including containment, remediation, and escalation within a complex global environment, coordinating with international teams to ensure effective resolution.
- RabobankSecurity Operations EngineerBANKING AND INSURANCESeptember 2020 - September 2025 (5 years)Chesterfield, MO, USA
- Mentored and guided junior staff within the SOC Team, fostering a collaborative and knowledge-sharing environment.
- Oversaw and enhanced security operations for Rabobank AgriFinance, with a focus on improving SOC efficiency, strengthening security controls, and ensuring compliance with banking regulations.
- Led the development and design of new use cases, playbooks, and automation strategies using SOAR to increase SOC efficiency and optimize team workflows.
- Managed security incident response, including containment, remediation, and escalation within a complex global environment, coordinating with
international teams to ensure effective resolution. - RabobankIT Security AnalystBANKING AND INSURANCEMay 2018 - September 2020 (2 years and 4 months)Utrecht, Netherlands
- Monitored and analyzed network traffic for security incidents and events.
- Executed thorough security incident analysis, coordinating with a 15-member team for timely threat mitigation.
- Developed, implemented, and maintained security policies and procedures.
- Enhanced alert mechanisms by calibrating thresholds, resulting in a reduction in false positives.
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Education
- Certified Information Systems Security Professional (CISSP) Certified Ethical Hacker (CEH) ITIL V3 Foundation Microsoft Certified Solutions Associate (Windows 8/Windows Server2008Certified Information Systems Security Professional (CISSP) Certified Ethical Hacker (CEH) ITIL V3 Foundation Microsoft Certified Solutions Associate (Windows 8/Windows Server
- MCTS - Administering and Deploying SCCM2012MCTS - Administering and Deploying SCCM