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Experienced System Administrator with expertise in Windows and Linux administration, Identity and Access Management (IAM), virtualization, cybersecurity, infrastructure monitoring, and cloud-native technologies including Docker and Kubernetes. Passionate about building secure, reliable, and modern IT infrastructure. Core Expertise Identity & Access Management (IAM) • User provisioning, de-provisioning, and role-based access management using Okta, Keycloak, and Microsoft Entra ID. Systems Administration • Windows Server, Linux, Active Directory, Group Policy, and Microsoft 365 administration. Cloud-Native & Automation • Docker, Kubernetes, Git, Bash scripting, and Ansible automation. Virtualization & Infrastructure • VMware, Hyper-V, Proxmox, KVM, and VirtualBox. Security & Monitoring • Security hardening, Wazuh, Grafana, Prometheus, backup, and infrastructure monitoring. Networking • Cloudflare, Nginx Proxy Manager, DNS, SSL, reverse proxy, and network troubleshooting. I can help you deploy, secure, automate, and maintain reliable IT infrastructure across Windows and Linux environments. Whether you need system administration, IAM, security, or cloud-native support, I am committed to delivering practical and dependable solutions.

I help businesses secure and optimize Linux infrastructure, firewalls, VPNs and virtualization environments. Specialized in: Network & Security: OPNsense | pfSense | Wazuh SIEM Wireless & Infrastructure: Ubiquiti UniFi Ecosystem Virtualization & Backup: Proxmox VE | Proxmox Backup Server VPN & Connectivity: WireGuard | OpenVPN | Cloudflare Tunnel SysAdmin & DevOps: Linux Servers | Docker | Reverse Proxy Core Services: Network Troubleshooting | Infrastructure Hardening I work mainly with: VPN issues Firewall configuration Secure remote access Reverse proxy problems Linux server deployments Monitoring and log analysis High availability environments I focus on fast troubleshooting, security best practices and stable infrastructure delivery. If you need someone to solve infrastructure and security problems quickly and professionally, let’s talk.

🔹SENIOR NETWORK ENGINEER | NETWORK SECURITY, PRIVATE CLOUD & INFRASTRUCTURE🔹 Senior Network Engineer with 6+ years of experience designing, securing, and operating enterprise networks, private clouds, and IT infrastructure. I've built private clouds for clients of a global managed hosting provider with presence in 10+ data centers and over 2 Pbps of global uplink capacity, and delivered network and security solutions across a wide range of enterprise environments. Whether you're designing new infrastructure from scratch, upgrading and modernizing an existing network, hardening your security posture, or migrating workloads to the cloud, I bring senior-level engineering with a focus on clean design, security, and long-term reliability. 🌐 Network Engineering & Design Enterprise, data center, and multi-site network design and upgrades. Routing: BGP, OSPF, EIGRP, IS-IS, MPLS, VXLAN Switching: VLANs, STP, LACP, MLAG, VRRP, HSRP, QoS, EVPN-VXLAN fabric Load Balancing: HAProxy, NSX-T, NSX-V 🔐 Network Security & Firewalls Vendors: Fortinet (FortiGate), Palo Alto, Juniper SRX/vSRX, Sophos (UTM, XGS), SonicWall, Zyxel, pfSense, OPNsense Services: NGFW rules, NAT, segmentation, IPS/IDS, DDoS mitigation, Zero Trust ☁️ Private Cloud & Virtualization Hypervisors: VMware (ESXi, vCenter), Proxmox, Hyper-V, KVM, Xen Virtual networking & security: VMware NSX-T / NSX-V, pfSense, OPNsense, Sophos 🌩️ Cloud & Hybrid Networking AWS: VPC, Transit Gateway, Site-to-Site VPN, Security Groups, hybrid connectivity Also experienced with Azure, Vultr, DigitalOcean, Linode 🔗 VPN & Secure Remote Access IPsec, OpenVPN, WireGuard, SSL VPN, GRE, L2TP, DMVPN, SD-WAN Enterprise VPNs, hybrid cloud connectivity, secure remote workforce 📡 UniFi / Ubiquiti Deployments UniFi network design and deployment for offices and multi-site businesses UniFi switches, access points, gateways, Dream Machine 🧰 Vendors & Platforms Cisco (Catalyst, Nexus, Meraki, ISR, ASR), Juniper (MX, vMX, EX, QFX, SRX), Huawei (CloudEngine), Fortinet, Palo Alto, Sophos, SonicWall, Zyxel, Ubiquiti/UniFi, VMware ⚙️ Automation, Monitoring & Documentation Automation: Python (Netmiko, NAPALM), Ansible, Terraform, REST APIs Monitoring: PRTG, Grafana, LibreNMS, Zabbix, Cacti, FastNetMon Documentation & IPAM: NetBox, phpIPAM 🐧 Linux Ubuntu, Debian, CentOS, FreeBSD, OpenBSD 📜 CERTIFICATIONS Cisco: CCNP, CCNA 💼 SERVICES • Network Design & Optimization (Enterprise, Data Center Fabric, Private Cloud) • Firewall & Security Hardening (NGFW, IPS/IDS, Zero Trust) • Private Cloud Build & Migration (VMware, Proxmox) • Cloud & Hybrid Networking (AWS VPC, Transit Gateway, Site-to-Site VPN) • VPN & Secure Remote Access (IPsec, SSL, SD-WAN, WireGuard) • UniFi Network Design & Deployment • Network Troubleshooting & Performance Tuning • Network Automation & Monitoring (Ansible, Python, APIs)

*Penetration Testing * CEH CERTIFIED ENGINEER ISO Lead Auditor Web Application /Mobile Application / Infrastructure /Desktop Application/ Source Code Assisment BruteForce Assessment : Hydra , Ncrack DOS Assessment : LOIC Protocol Assessment : Nmap , Hping Directory Assessment : Dirbuster, Gobuster Web Assessment : Burpsuite Host Assessment : Nessus * Network Infrastructure Development * (Routing / Switching / Collaboration) *Network Security Implementations* (Next Generation Firewalls / Load Balancing ( LTM + GTM )/ Web Proxy/VPN/SSL/TLS) * Cloud Engineer* (Architecture/Implementation/Maintenance) *Telecommunication Engineer* (2G/3G/4G Architecture) Skills and Product Experience Terminologies. Related Technologies Routing technologies Static/Floating Routing, RIP, OSPF,EIGRP,BGP,MPLS Switching Technologies VLAN, STP,VTP, DTP,CDP,RSTP,PVST, HSRP,GLBP WAN Connectivity Leased Line, HDLC, PPP , GRE Fake Tunnels, Metro-Ethernet, DSL, VPNV4 MPLS Hardware(Routers) Cisco 7600, MWR2941, ASR901, Cisco 1800, Juniper (MX80,MX240) Hardware (switches) Cisco Catalyst Series (2960,3650) ,Juniper QFX series, Nexus 6k and 7k Hardware(Firewalls ) Juniper SRX 1500 , Net screen, Palo Alto (PA 5060, 7050,5050) , ASA Load Balancer F5 LTM,GTM , F5 VE Proxy McAfee Web gateway Proxy Infrastructure Security. Kali, Metasploit, Nessus, Qualys, Splunk, Qradar Web Security Burp Suite, Sqlmap, Veracode, Netsparker, Msfvenom , Hydra, LOIC, Sublist3r Security Frameworks Mitre ATT&CK, NIST, CIS, ISO 27001

Struggling with unreliable infrastructure, VMware licensing costs, or a stalled cloud migration? I'm a DevOps & Cloud Engineer who builds and stabilizes production environments across AWS, Azure, Proxmox, and Ceph — with a focus on uptime and automation. Most DevOps engineers specialize in either cloud or on-prem infrastructure. I do both: I've run production Proxmox VE clusters with Ceph storage alongside AWS, Azure, and GCP deployments, and I handle VMware-to-Proxmox migrations end-to-end — a combination few freelancers on Upwork cover with hands-on production experience. Here's how I typically help clients: ✔ Design and deploy cloud infrastructure on AWS, Azure, or GCP ✔ Build and troubleshoot Proxmox clusters, including VMware-to-Proxmox migrations ✔ Optimize and recover Ceph storage clusters ✔ Set up Docker and Kubernetes environments with CI/CD pipelines ✔ Implement monitoring with Zabbix and Grafana ✔ Plan and test backup and disaster recovery strategies ✔ Secure infrastructure with VPNs, firewalls, and Zero Trust practices Top Rated Plus on Upwork with a 4.98 rating across 51 completed jobs and over 2,870 hours worked. AWS Cloud Practitioner Essentials certified. Clients include startups, MSPs, SaaS companies, and enterprise teams relying on me for production-grade infrastructure. Send me a message with what you're working on and I'll respond with next steps within a few hours.

Automation Engineer | PLC, HMI, SCADA, OPC, MQTT, IIOT, VFD, SERVO Specialist Experienced in designing and implementing industrial automation systems using Siemens, Allen-Bradley, Schneider, Mitsubishi, Omron, and Keyence platforms. I deliver reliable, efficient, and well-structured control solutions tailored to your process needs. Proficient in industrial digital twin using Simumatik and Factory I/O for virtual. What I Do: Commissioning and realistic system testing. PLC programming (Siemens TIA Portal, Allen-Bradley Studio 5000, Schneider EcoStruxure, Mitsubishi GX Works, etc.) HMI & SCADA development (WinCC, FactoryTalk View, InduSoft Web Studio, etc.) Industrial communication & network integration (Ethernet/IP, Profinet, Modbus, OPC UA) Troubleshooting, commissioning, and system optimization Migration of legacy control systems to modern platforms