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Marius van Zundert

user marius.vanzundert@cerberos.dev uptime 20+ years :: engineering + offensive security kernel ethical-hacker v6.4 (secure-by-design)

Engineer & Ethical Hacker based in Tilburg, NL. Co-founder at Cerberos, Security Officer at Tilaa. Building resilient, secure-by-design systems across Rust, Go, Python, and Laravel — then red-teaming them to prove it.

2025
2025–present active

Security Officer

Tilaa

As Security Officer, responsible for strategic and technical security posture. Building a resilient security framework that balances regulatory compliance with high-performance cloud architecture.

  • Security Architecture & Design: Designing, implementing, and maintaining hardened security architecture for cloud infrastructure
  • Identity & Access Governance: Overseeing IAM systems administration and auditing to enforce zero-trust principles
  • Vulnerability & Threat Management: Managing continuous security scanning and driving technical remediation
  • Compliance: Ensuring adherence to ISO 27001, ISO 9001, PCI-DSS, and GDPR frameworks
  • Incident Response: Coordinating incident response and performing post-mortem analyses

2019
2019–present active

Co-Founder

Cerberos

Co-founder of Cerberos, partnering in all aspects of the business from high-level security consultancy to hands-on engineering of secure systems. Grounded in a "Secure by Design" philosophy balancing offensive security testing with resilient software development.

Offensive Security & Execution:

  • Conducting end-to-end security audits, red team operations, and penetration testing
  • Developing specialized security tools including custom Python exploit scripts and Ruby Metasploit modules
  • Performing manual and automated security code audits with deep focus on PHP/Laravel vulnerabilities
  • Delivering guest lectures and speaking engagements on security awareness and ethical hacking

Multi-Stack Engineering & Systems:

  • Building memory-safe utilities in Rust and high-concurrency operator tools in Go
  • Developing scalable web platforms using Laravel and Vue.js with integrations for AFAS, Exact, Vimeo
  • Executing complex data migrations from legacy MySQL/MariaDB to PostgreSQL
  • Building hardened DevSecOps deployment pipelines with automated testing

2017
2017–2019

Back End Developer

Spring Digital

Built secure, scalable online platforms and complex third-party integrations at this organization (originally Webcolors Group, later rebranded to You Are Digital and Spring Digital).

  • Engineered robust online platforms using Laravel and Vue.js
  • Developed high-stakes integrations with Exact Online, AFAS, iMuis, Vimeo, Clickmeeting, and Hostfact
  • Managed production servers (Digital Ocean) and deployment pipelines via Envoyer and Forge
  • Supported the team as Jira administrator and Scrum Master
  • Performed regular code refactoring and security audits

Tech Stack: PHP 7.*, Nginx/Apache, MySQL/MariaDB, MongoDB, Docker, Git

2016
2016–2017

Developer

ezCompany

Drupal backend development in a Linux environment.

Tech Stack: Linux (Ubuntu 16.04), MySQL, Git, PHP 7, Gitlab, Drupal, Jenkins, Drush, NGINX

2014
2014–2016

Backend Developer

STUDiO iBiZZ

Backend development using the Studio iBiZZ own CMS (WingZZ). Worked on various car selling platforms across the Netherlands, Belgium and France.

Tech Stack: PHP, MySQL, Mercurial, BitBucket

2013
2013–2013

Software Developer

WIAL bv

Supported the design, development and testing of applications. Developed new features in existing applications and translated functional designs to technical designs.

  • Created a helpdesk system (SharePoint) for call registration and monitoring
  • Created documentation for existing applications and procedures
  • Bugfixing across the application portfolio

2011
2011–2013

Freelance Features Writer

Channel Fireball

Writing strategy game related content for Channel Fireball, a leading strategy game content platform.

Publications: Article archive on ChannelFireball

2005
2005–2013

Senior Software Developer

NCVB

Development and maintenance of a custom-built student administration and tracking system using ASP, HTML, jQuery, MSSQL.

  • User training and support (helpdesk)
  • Release management (Subversion)
  • Maintenance on test and production servers (backups, etc.)
  • Maintenance on the developers private network including wireless guest network
  • Intern coach for 3 IT interns (MBO 3/4)
  • Main IT contact for customers and other departments
  • General IT support and IT supply purchasing

2010
2010–2011

Open Source Developer

Cockatrice

Cockatrice is an open-source multiplatform software for playing card games such as Magic: The Gathering over a network. Fully client-server based to prevent cheating, with single-player support. Both client and server written in Qt 4. Fully GPL licensed.

Active development alongside Max-Wilhelm Bruker and Marcus Schütz.

2001
2001–2005 education

Education

Curio — MBO, Software Development & Network Engineering (2001–2005)

Cap Gemini — Microsoft Certified Application Developer (MCAD, 2005)

Munnikeheide — High School (1997–2001)