Technical Stack
Tools and platforms I use daily to build, automate and protect enterprise infrastructure.
Infrastructure & Virtualization
Linux
RHEL 8/9/10, Oracle Linux, Debian, Ubuntu, CentOS — production server administration
Docker + Docker Swarm
Container orchestration in production cluster with services, stacks and rolling updates
Portainer
Visual management of containers, stacks and services — interface for Docker and Swarm
Traefik
Reverse proxy, dynamic routing, automatic SSL and load balancing in microservices
Harbor
Private Docker image registry with security scanning and role-based access control
VMware vSphere
Virtualized cluster environment management, provisioning and VM lifecycle
Hyper-V
Windows Server virtualization for corporate environments and security sandboxing
Red Hat Satellite
RHEL patch management, subscriptions, content views and compliance enforcement
Windows Server
2019/2022 — DNS, IIS, DHCP, File Server, domain roles and corporate configurations
Active Directory
User management, GPO policies, OU structure and access provisioning automation
Cloud & Infrastructure as Code
AWS
EC2, VPC, S3, ECS Fargate, CloudFront, ALB, Route 53, IAM, RDS — full cloud architecture
Terraform
Infrastructure as code — provisioning, state management and drift detection
Ansible
Configuration automation, server provisioning and idempotent playbooks
AWX / Ansible Tower
Web-based Ansible execution, scheduling, RBAC and audit trail
Semaphore
Open-source Ansible UI for playbook execution and inventory management
Automation & Scripting
Python
Automation scripts, API integrations, internal tools and data processing
PowerShell
Windows automation, Active Directory management and Azure tasks
Bash
Shell scripting for system operations, CI/CD pipelines and cron automation
Control-M
Critical job scheduling and workflow automation in enterprise production
N8N
Low-code workflow automation connecting APIs, services and internal tools
Airflow
Workflow orchestration and data pipeline scheduling with DAG-based logic
Monitoring & Observability
Prometheus
Metrics collection with Node Exporter, mysqld exporter, Blackbox and custom exporters
Grafana
Dashboards, alerting and visualization for infrastructure, applications and SLAs
OpenSearch / ELK
Log centralization, full-text search, log analytics and custom dashboards
Zabbix
Infrastructure monitoring, SNMP, alerts and SLA management
Splunk
SIEM, event correlation, log analysis and security dashboards
Datadog
Cloud-native APM, infrastructure monitoring, log management and distributed tracing
PRTG
Network and service availability monitoring with customizable sensor templates
Site 24x7
External uptime monitoring, performance tracking and multi-location checks
Cybersecurity & AppSec
Burp Suite
Web application penetration testing, OWASP Top 10 analysis and vulnerability scanning
OWASP ZAP
Open-source DAST scanner for web application security testing and CI/CD integration
Nmap
Network scanning, host discovery, port auditing and OS fingerprinting
Metasploit
Penetration testing framework for exploit development and post-exploitation techniques
WPScan
WordPress vulnerability scanner — plugins, themes and core CVE detection
Nikto
Web server scanner for dangerous files, outdated software and configuration issues
SQLMap
Automated SQL injection detection and database takeover for pentest engagements
Wazuh
Open-source SIEM/XDR, HIDS, intrusion detection and compliance (PCI-DSS, NIST)
Iptables / Fail2Ban
Network firewall rules and automatic IP blocking for brute-force and DDoS mitigation
VMware NSX
Software-defined networking security, micro-segmentation and east-west traffic control
OpenSSL
Digital certificate management, PKI infrastructure and cryptography operations
ClamAV / SpamAssassin
Antivirus and anti-spam for corporate email environments
Operating Systems
RHEL 8 / 9 / 10
Enterprise Linux — SELinux, systemd, subscription management and hardening
Oracle Linux
RHEL-compatible distribution — Ksplice zero-downtime patching and UEK kernel
Debian / Ubuntu
APT package management, LTS releases, server hardening and automation
Windows Server 2019/2022
Domain controller, file server, IIS, WSUS and enterprise role management
Databases & Web Servers
MySQL / MariaDB
Administration, query optimization, backup strategies and replication
PostgreSQL
Management in critical environments, performance tuning and extensions
Microsoft SQL Server
Administration in corporate environments, T-SQL and maintenance plans
Apache / Nginx / IIS
Configuration, performance optimization and web application publishing
Want to see the stack in action?
Check out the cases where I apply these technologies in production.