Senior Systems Administrator | Keep Your IT Infrastructure Running 24/7 While You Focus on Your Business
Are server downtime, security risks, or infrastructure issues slowing your business down?
I help SMEs run stable, secure, and high-performance Windows & Linux environments without the cost of a full-time IT department.
With 20+ years of hands-on experience managing enterprise and production IT systems, I deliver proactive system administration that keeps your infrastructure reliable, secure, and scalable.
🎯 IT Challenges I Solve
✅ Server Downtime & Performance Issues
99.9% uptime through proactive monitoring, tuning, and preventive maintenance
✅ Security Vulnerabilities
Hardened Windows & Linux servers, firewall configuration, patch & access management
✅ Backup & Disaster Recovery
Veeam-based backup strategies with recovery times under 15 minutes
✅ Network Bottlenecks
Optimized routing, VPNs, load balancing for environments with 100+ users
✅ Virtualization Overhead
Efficient Proxmox & VMware environments reducing hardware costs by up to 40%
💼 What You Get
🖥️ Server Administration
Windows Server (2012–2025) | Linux (Ubuntu, CentOS, RHEL, Debian)
🔒 Security Hardening
Firewalls (Fortinet, Sophos), VPNs, access control & security policies
💾 Backup & Disaster Recovery
Veeam, cloud backup integration, business continuity planning
🌐 Network Administration
TCP/IP, DNS, DHCP, VLANs, routing & switching
⚡ Virtualization Management
Proxmox VE, VMware ESXi, Hyper-V
📊 Monitoring & Alerts
24/7 monitoring, performance tuning & proactive alerts
🏆 Why Businesses Choose Me
⚡ 20+ Years of Production Experience
I’ve handled — and fixed — real-world IT disaster scenarios
⚡ Fast Response Time
Available for critical issues within 1 hour
⚡ Cost-Effective IT Support
Enterprise-level expertise without full-time salary costs
⚡ Documentation-First Approach
Clear documentation, runbooks & handover for your team
🧰 Tech Stack
Windows Server (2012/2016/2019/2022/2025)
Linux (Ubuntu, CentOS, RHEL, Debian)
Active Directory, Group Policy, Exchange Server
Firewalls: Fortinet, Sophos
Virtualization: Proxmox VE, VMware ESXi, Hyper-V
Backup: Veeam
Networking: TCP/IP, DNS, DHCP, VLANs
VPN: OpenVPN, WireGuard
💬 New on Guru, not new to IT.
If you need reliable infrastructure that just works, message me with your server or network challenge — I typically respond within the hour.