Esko Dijk
System Architect IoT Consultant Connectivity Expert at IoTconsultancy.nl
Utrecht, Utrecht, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolEsko Dijk is a system architect and freelance IoT consultant with 8+ years focused on designing secure, scalable IPv6-based IoT systems and connectivity stacks. He blends academic depth (PhD-level research) with industry practice from roles at Philips/Signify and active involvement in the Thread Group to shape standards, simulation, and certification work. A hands-on contributor to OpenThread, Esko has fixed protocol nuances, added Thread Domain Name TLVs, and improved CLI and CoAP behaviors—showing he moves seamlessly from high-level architecture to embedded implementation. He specializes in wireless mesh and cellular IoT (Thread, ZigBee, Bluetooth Mesh, 5G) and advanced security integration, helping companies and SDOs turn complex connectivity requirements into practical, testable solutions. Notably, his work often bridges standards development and real-world device validation, speeding time-to-certification and interoperable deployments.
8 years of coding experience
18 years of employment as a software developer
Ir (M.Sc.), Ir (M.Sc.) at University of TwentePh.D., Ph.D. at Eindhoven University of Technology
Github Skills (14)
ieee10
iot10
embedded10
c-language10
cprogramming-language10
thread10
ipv610
coap9
google9
cli9
mesh-network9
fm-radio8
tcp8
sys8
Programming languages (11)
Github contributions (5)
openthread/openthread
Mar 2021 - Jan 2022
OpenThread released by Google is an open-source implementation of the Thread networking protocol
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:470 reviews, 2 commits, 13 PRs in 10 months
Contributions summary:Esko contributed to the OpenThread project by addressing issues related to the Thread protocol implementation, including fixing the default Thread Domain name and updating CoAP response codes. They clarified the meaning of radio timestamps and added TCAT Commissioner and Device certificates for Thread certification testing. Furthermore, the user made adjustments to the CLI, modifying UDP and DNS configurations, and introducing a hexadecimal data transmission option for TCP clients. They added a Thread Domain Name TLV to the MLE Discovery Response.
googlewirelessipv6networkingieee-802154
EskoDijk/ot-ns
Jan 2022 - Dec 2024
OpenThread Network Simulator, a discrete event simulator and visualization tool for Thread networks.
Contributions:1 review, 211 PRs, 613 pushes in 3 years
network-simulatordiscrete-eventdiscretesimulatorthread
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