Nikolay Denev
Site Reliability Engineering Technical Leader at ThousandEyes (part of Cisco)
Austin, Texas, United States
Summary
👤
SeniorNikolay Denev is a Site Reliability Engineering Technical Leader with 14 years of experience designing, building, and operating large-scale Unix/Linux/BSD infrastructure and resilient network architectures. Based in Austin, he has risen through technical and managerial roles at ThousandEyes (Cisco) after prior senior infrastructure work at AWS, Skrill, and other firms, blending hands-on systems engineering with team leadership. He specializes in FreeBSD, advanced networking (firewalls, routing, load balancing), and automation using Python, Ruby, Go, Rust and shell languages. Nikolay contributes to open-source network security tooling—most notably refactoring configuration and performance-critical code in the widely used Suricata IDS/IPS—demonstrating deep protocol and packet-processing expertise. Colleagues rely on him to turn complex reliability requirements into pragmatic, scalable solutions and to shepherd legacy systems toward modern, debuggable designs. He brings a rare combination of low-level systems craftsmanship and strategic SRE leadership across cloud and on-prem environments.
14 years of coding experience
11 years of employment as a software developer
English, Bulgarian, German, Russian
Stackoverflow
1reputation
0reached
2answers
0questions
Github Skills (15)
c1710
configuration-management10
network-security10
c1110
sys10
intrusion-detection10
suricata10
thread8
performance-optimization8
cybersecurity7
json6
google-cloud-kms6
jquery6
python6
django6
Programming languages (6)
Github contributions (5)
OISF/suricata
Feb 2012 - Jan 2013
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata community.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 reviews, 11 commits, 8 comments in 10 months
Contributions summary:Nikolay primarily focused on refactoring and improving the configuration handling within the Suricata network security engine. They updated the code to use dashes instead of underscores for configuration variables and implemented deprecation warnings for the older format. Additionally, the user addressed several warnings related to configuration variables and made modifications to thread naming and socket options within the IPFW module, indicating a focus on improving the core functionality and stability of the engine. They also made changes to the code related to packet reassembly and overall performance.
git-repositorynsmipssecurityids
ndenev/mpssh
Sep 2012 - Apr 2018
Contributions:90 commits, 4 PRs, 5 pushes in 5 years 7 months
parallelsshparallel-sshmass
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.