Gerlof Fokkema

Linux System Engineer | Security & Network Engineering | DevOps

About Me

I'm Gerlof Fokkema, a Linux System Engineer with a strong background in DevOps, networking, and IT security. My experience spans from system administration to developing robust CI/CD pipelines and maintaining complex VoIP and Linux infrastructures.

I’m passionate about automation, security, and scalability, and enjoy solving infrastructure challenges with elegant, efficient solutions.

Skills

Linux Engineering Virtualization Networking (MPLS, Peering) Security & Network Engineering CI/CD DevOps Programming (Python, C/C++, Zig Scripting MySQL (galera, MariaDB, ndb) VoIP Systems

Experience

Linux System Engineer – DataExpect - DetACT

Oct 2025 – Present | Rijswijk, South Holland

Instalining, managing, and automating the Linux platform which DetACT uses to do fraud detection at several banks in Europe. DetACT employs both on-prem and cloud assets, so my responsibilities include server- and technical application management for both on-prem and cloud server infra.

Linux System Engineer – Xantara-it

Oct 2022 – Present | Rijswijk, South Holland

Linux System Engineer – Fox-IT

Jun 2023 – Jan 2024 | Delft, South Holland

DevOps Engineer – Redkiwi (Digital Agency)

Feb 2020 – May 2021 | Rotterdam, South Holland

Focused on CI/CD implementation, automation, and backend infrastructure (VPS & Kubeernetec clusters.

VoIP / DevOps Engineer – gnTel BV

Sep 2016 – Jul 2019 | Delft Area, Netherlands

Planned, designed, and maintained a VoIP platform with 99.995% uptime. Managed core networks, virtualization clusters, and 100+ Linux servers.

IT System Administrator – Rabobank

Apr 2012 – Oct 2012

Managed workstation infrastructure using SCCM and provided 3rd-line support.

Education

Bachelor’s Degree – Computer Science

Delft University of Technology | 2020 | Extending Spoofax with a REPL

Certifications

Red Hat Certified Engineer (RHCE)

Issued May 2024 – Expires May 2027

Red Hat Certified System Administrator (RHCSA)

Red Hat | Issued Apr 2024 – Expires Apr 2027

Contact

You can reach me via:

Email
LinkedIn Profile