Tigran Mkrtchyan
DCache Project Lead at DESY
Hamburg, Germany
Summary
🤩
Rockstar🎓
Top SchoolTigran Mkrtchyan is a seasoned software engineer and technical leader with 20 years designing and operating large-scale distributed storage systems, currently leading the dCache project at DESY in Hamburg. He combines deep protocol and backend expertise—particularly NFSv3/v4.x and TCP/IP—with hands-on Java development, testing, and release management. An active open-source contributor, he has fixed subtle bugs and extended protocol support in prominent projects like Wireshark and Elastic Beats, bringing real-world interoperability improvements to widely used tools. Known for mentoring newcomers and liaising with customers and industry partners, he balances day-to-day coding with strategic project leadership. Colloquially a “code for coffee” engineer, he brings a practical, detail-oriented approach to reliability and storage semantics that often uncovers issues others miss.
19 years of coding experience
6 years of employment as a software developer
Masters, Masters at Yerevan State University
English, German, Armenian, Russian
Stackoverflow
4,343reputation
460kreached
190answers
2questions
java
top-5%
maven
top-5%
Github Skills (32)
filesystem10
nfs10
amazon-elasticsearch10
open-source10
c-programming10
file-storage10
elasticsearchquery10
php10
rpc10
go10
aws-elasticsearch10
packet-capture10
elasticsearch10
wireshark10
elasticsearch-api10
Programming languages (20)
Github contributions (5)
elastic/beats
Mar 2016 - Apr 2019
:tropical_fish: Beats - Lightweight shippers for Elasticsearch & Logstash
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 commits, 12 PRs, 49 comments in 3 years 1 month
Contributions summary:Tigran primarily contributed to the `packetbeat` component of the `elastic/beats` repository, focusing on the NFS protocol. Their work involved implementing support for NFS v3 and v4 protocols, including the handling of RPC messages and various NFS operations. Furthermore, the user refactored the code for cleaner packet processing, added support for NFSv4.2 operations, and addressed issues related to RPC message identification and machine name configuration.
tropicalheartbeatlogstashbeatsfilebeat
wireshark/wireshark
Nov 2014 - Jun 2018
Read-only mirror of Wireshark's Git repository at https://gitlab.com/wireshark/wireshark. ⚠️ GitHub won't let us disable pull requests. ⚠️ THEY WILL BE IGNORED HERE ⚠️ Upload them at GitLab instead.
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 commits in 3 years 8 months
Contributions summary:Tigran primarily contributed to the Wireshark project by addressing bugs and implementing improvements related to the NFS (Network File System) dissector. They fixed double-free errors and other issues related to the handling of NFS file handles. Furthermore, they added support for decoding and displaying attributes specific to exclusive create operations in NFSv4.1, and also corrected how counts for mirrors and data servers are displayed.
tsharkgit-repositorywiresharkpacket-capturegitlab
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