Md Ataur Rahaman Mondol

-Built Wazuh SOC/SIEM (SOAR, OpenCTI, Grafana) for 3 orgs -Migrated VMware to Sangfor HCI & Fortinet to Athena NGFW -Managed Exchange/M365/Google Workspace/Zimbra; email migrations -Secured email via IronPort, Sophos ESA, Barracuda -Led virtualization (VMware, Proxmox, Hyper-V) & cloud (AWS, Azure) -Designed SAN/vSAN; Veeam & SRM backup/DR -Hardened FortiGate, Sophos, Athena (IDS/IPS, zero-trust) -Ran EDR/XDR (Sophos, Trend, ESET), VxRail; Python/Ansible

-Built air-gapped Wazuh SIEM/SOAR (OpenSearch, OpenCTI, Grafana), zero internet dependency -Engineered pre-hardened VM appliances (OVF/OVA/VMDK/QCOW2) -Architected Proxmox VE zones (Prod/Lab/Sandbox) for isolation & IR workflows -Automated lifecycle ops (install, update, rollback, reset) via shell scripts -Built Grafana dashboards; custom Wazuh rules & SOAR for EDR/firewall log ingestion -Designed POC-to-production workflows for stable deployments -Hardened Palo Alto, FortiGate, Sophos; IPsec & remote VPNs

-Managed 5-node Proxmox VE cluster (HA, Ceph) – 99.99% uptime -Automated patching compliance with Ansible, Bash, Python -Ensured backup disaster recovery using Veeam BR -Administered Linux Servers and Ubuntu workstations -Administered Office 365 environments -Managed cPanel hosting (Apache, Nginx, MySQL, phpMyAdmin) -Handled email, DNS (MX, SPF, DKIM, DMARC) & SSL (GoDaddy, Contabo) -Deployed IPsec, L2TP & OpenVPN for secure remote access -Hardened network & endpoints with FortiGate (200+ devices)

• Led SAP Business One ERP implementation and migration to SAP HANA on SUSE Linux, ensuring successful deployment. • Managed Active Directory, RDS, Exchange, SQL Server, MySQL, and SAP HANA environments. • Architected VMware virtualization, including P2V, V2V, and V2P migrations, Dell EMC storage, backup, and datacenter operations. • Administered Linux/Windows infrastructure, web hosting, VPN, DNS. • Administered enterprise network security including Firewall and Endpoint EDR/XDR • Build a LAN for 800 nodes

-Monitored network performance and responded to incidents in real-time, ensuring minimal downtime across enterprise client environments. -Managed and configured core infrastructure for 30+ projects post-POC, including Active Directory, DNS, DHCP, and mail servers. -Administered NAT, Squid Proxy, and Zimbra mail; configured SolarWinds and PRTG for network and core device monitoring. -Maintained NOC facilities power monitoring and provided 24×7 technical support and remote desktop