Abe Wiersma
Full-Spectrum Technologist & Tokyo 2020 Olympic Championbridging systems from raw bits and assembly, through compilers, operating systems, and AI training pipelines, to network engineering and global IT/OT governance (ISO 27001 & IEC 62443)
Cyber Security Manager @ Deloitte

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Manager in Cyber Defense & Resilience at Deloitte Norway , specializing in Operational Technology (OT) security, industrial control systems, and network engineering. Previously, I served as a Senior Consultant within the same team, and designed core infrastructure solutions as a Senior Developer within the Asset Engineering team at Deloitte Netherlands . I bridge the gap between robust infrastructure security, complex data pipelines, and elite-level execution.

Experience

Click any role to inspect key achievements, technical challenges, and competencies tackled.

Present

Manager — Cyber Defense & Resilience

Deloitte Norway

Leading critical infrastructure & OT security engagements, securing industrial control systems, and enforcing international cyber resilience standards.

Previous

Senior Developer — Asset Engineering

Deloitte Netherlands

Engineered high-performance infrastructure software, scientific computing pipelines, and secure enterprise assets.

Previous

Professional Athlete — Dutch Olympic Team

Royal Dutch Rowing Federation (KNRB)

Elite international competition in the Men's Quadruple Sculls (M4x), winning Gold at the Tokyo 2020 Olympic Games and 2019 World Championships.

Previous

Independent Web Developer

Freelance

Delivered custom full-stack web applications, database architectures, and performance-tuned software solutions for enterprise clients.

Previous

Technical Support & Systems

Het Zwarte Fietsenplan

Managed technical diagnostics, system operations, and component troubleshooting in high-volume environments.

Education

Graduate

Master of Science in Security and Network Engineering

University of Amsterdam
• Research: Security & Performance of Encrypted NoSQL Databases
• Research: Trans-encrypting HTTP Adaptive Streaming

Graduate

Bachelor of Science

University of Amsterdam

Focus Areas

Cyber Defence & Resilience

Leading proactive defensive posture assessments, threat modeling, security architecture, and incident readiness to safeguard modern enterprise environments.

Industrial Control Systems (ICS) Security

Securing critical physical operations using the Purdue Model, enforcing IEC 62443 standards, and building resilient industrial zones.

ISMS Governance & ISO 27001

Establishing robust Information Security Management Systems (ISMS), structured risk frameworks, and audit-ready governance bridging corporate IT and OT.

Network Architecture & Microsegmentation

Analyzing production routing protocols, locking down lateral movement, and validating complex data transport layer security.

Human-AI Collaborative Work

Leveraging agentic AI tools, LLM workflows, and human-in-the-loop engineering to accelerate complex software development, security research, and defensive automation.

Geospatial Data & Scientific Computing

Wrangling massive spatiotemporal datasets, scripting custom analytical frameworks, and co-authoring publications on GPU-accelerated glacier evolution and LGM paleoclimate biome reconstructions.

Jack of All Trades (Physical & Digital)

Bridging the digital and physical worlds with hands-on versatility—from hardware diagnostics and bicycle mechanics to fabrication tools, physical systems, and pragmatic engineering.