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nikita-diakov/README.md

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Hi, I'm Nikita

Application Support / Infrastructure Engineer with an Information Security background.

I am focused on application support, infrastructure, monitoring, and security-aware operations. My background combines hands-on technical support, work with high-load systems, incident-related analysis, SQL-based troubleshooting, and academic specialization in Information Security.

Technologies

Linux Python PostgreSQL Docker Kubernetes Grafana Kibana Nginx FastAPI Wireshark PKI

Core stack

  • Application Support
  • Infrastructure & Monitoring
  • Linux
  • SQL / PostgreSQL
  • Grafana / Kibana
  • Docker / Kubernetes
  • Python
  • Information Security fundamentals

Current focus

  • Application support and technical troubleshooting
  • Infrastructure and monitoring
  • Secure operations and security-oriented analysis
  • Observability and incident-related investigation
  • Hands-on lab environments for infrastructure and security practice

Highlighted projects

corporate-pki-demo

A compact PKI lab for enterprise-style digital signatures with FastAPI, SoftHSM2, and X.509 certificate workflows on Ubuntu 24.04.

Focus: PKI, certificate lifecycle, PKCS#11 signing, verification, revocation, secure workflows.

security-monitoring-github

A compact Ubuntu 24.04 security monitoring lab with Grafana, Loki, Alloy, Nginx, and a lightweight Python detector.

Focus: monitoring, observability, log collection, lightweight detection, secure infrastructure practice.

offline-wireshark-ai-assistant

Offline-first toolkit: Wireshark PCAP → tshark Markdown reports → GPT4All LocalDocs analysis.

Currently improving

  • Linux administration and troubleshooting
  • Monitoring and observability tooling
  • SQL and support-oriented diagnostics
  • Infrastructure automation
  • Security-focused engineering skills

Connect with me

Pinned Loading

  1. security-monitoring-github security-monitoring-github Public

    A compact Ubuntu 24.04 security monitoring lab with Grafana, Loki, Alloy, Nginx, and a lightweight Python detector.

    Python

  2. corporate-pki-demo corporate-pki-demo Public

    A compact PKI lab for enterprise-style digital signatures with FastAPI, SoftHSM2, and X.509 certificate workflows on Ubuntu 24.04.

    Python 2

  3. offline-wireshark-ai-assistant offline-wireshark-ai-assistant Public

    Offline-first toolkit: Wireshark PCAP → tshark Markdown reports → GPT4All LocalDocs analysis (no cloud, no server).

    Shell