Hire the Best Red Hat Certified Engineer (RHCE) Specialists
in Bangladesh

I am Red Hat Certified Engineer (RHCE) & Microsoft Certified Solutions Expert (MCSE) and have more than 12+ years of experience in managing server infrastructures and operations across Linux, Unix, and Windows platforms. • In-depth knowledge and experience in Server Administration & IT Infrastructure. • Experience in Linux, Unix, Windows Server Operating Systems, and utilities. • Experience in Continuous Integration and Deployment using various CI tools like DevOps tools like Ansible, Docker, Git, Nagios, etc. • Good knowledge of container-based deployment using Docker, Docker Hub, Docker registers, and working on Docker images and Kubernetes. • Created virtual environments that involved VMWare ESXi, Proxmox, KVM, OpenVZ • Monitoring of servers and network equipment based on Zabbix, Cacti, Nagios, • Experience in network administration (Mikrotik, Cisco, Firewall) devices. My server administration expertise includes: - Linux (RHEL, Centos, Oracle Linux, Ubuntu, Debian) - Unix (Solaris/AIX/HPUX) - Windows Server 2019, Windows Server 2016, Windows Server 2012 - WHM : cPanel, Plesk, Webmin, Centos CWP - Virtualization: RedHat Virtualization, VMware (ESXi, vCenter), Hyper-V, Oracle VM VirtualBox Services: - Linux/Unix Services: NFS, Samba, Proxy, LDAP, Install SSL Certificate, Let's Encrypt Certbot SSL, Web Server (Apache, Nginx), FTP/SFTP, System Logging (rsyslog), DNS (Authoritative, slave, cache), NTP, DHCP, SSH, Firewalld, IPTables, SELinux, ACL, Resource Limits, Kernel Parameter, etc. - Windows Services: Microsoft Exchange Server, Active Directory, Office 365, DNS Server, DHCP Server, File & Storage Services, etc, - Bash Scripting, PowerShell Scripting. - MTAs: Postfix, qmail, Sendmail, zimbra, iRedMail, Webmin. - Storage: LVM, iSCSI, NAS, SAN, Software RAID, ASM Disk Management. - Cloud: Amazon Web Services (AWS), Google Cloud, Azure, DigitalOcean, Vultr, etc. - DevOps: Ansible, Docker, Git, Nagios - Application Deploy: Vue JS, Laravel, Node JS, WordPress, Joomla, Custom CMS, etc. - Database Administration: MySQL, Mariadb, PostgreSQL - Networking: Firewall, Mikrotik, CISCO, Switches

As a highly skilled and experienced professional with over 08+ years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is: ⭐Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ⭐Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ⭐ Expert in configuring, managing, and troubleshooting Cisco routers, switches, FTD, FMC, and ASA firewalls. ⭐ Expert in configuring, managing, and troubleshooting Fortigate, Sophos, Check Point, SonicWall, Palo Alto, pfSense, OPNsense & Huawei firewalls, ⭐Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅Cisco, Tp-Link, Aruba, Fortinet, Ubiquiti, Planet, Huwei switch configurations. ⭐Proficient in configuring, managing, and troubleshooting Unifi Enterprise Fortress Gateway, UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices. ⭐Expert in Linux administration, with expertise in Ubuntu, Red Hat, openSuse, CentOS, Debian, and Kali Linux distributions. ⭐Expert in Windows server administration , Active Directory management, Exchange Server administration, DNS configuration, DHCP implementation, and Windows operating system support. ⭐Experienced in managing and configuring virtualization platforms including HYPER-V, VMware ESXi, VMware Workstation, KVM, VirtualBox, and Proxmox. ⭐Servers: HP Proliant Servers, Dell/EMC Servers, IBM ⭐MikroTik Routers configuration ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH and Digital Ocean ⭐VLSM/subnetting of small to large enterprises ⭐VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP), Spanning Tree (STP, PVST++, MSTP), and FHRP Protocols ⭐IPV4 & IPV6 IP planning, DHCP, NAT/PAT configuration and IP helper address ⭐static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ⭐Layer-3 Redudent/backup links Using HSRP, VRRP ⭐Port security, ACL( access list) configuration ⭐Network troubleshooting and optimization ⭐VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OPENVPN , wireguard & DMVPN) ⭐Advanced Excel skills, including macro, VBA, VLOOKUP, and other automation techniques ⭐Network automation script for any cisco and fortigate devices using python ⭐ Skilled in automation using Bash/Shell scripting ✅Overlay Networks VPN Expertise: Proficient in configuring and managing various overlay network VPNs, including ZeroTier, Tailscale, WireGuard, SoftEther VPN, Netbird , Netmaker, OpenVPN Cloud, I, Twingate and PeerVPN for secure, scalable, and decentralized networking, enabling seamless remote access, team collaboration, and encrypted communications across distributed systems. ✅Beryl AX and Flint Router Configuration Expert ( Mini Router, Travel Router, Home Wi-Fi, cellular Router) like GL-MT6000, GL-AXT1800, GL-MT3000, GL-A1300 etc ✅Cisco Duo: MFA, 2FA, SSO, Identity Security Integration, Windows Logon, RDP, Microsoft AD, VPN Authentication.

Network and systems specialist with more than 9+ years of experience in designing, configuring, troubleshooting, and documenting various IT scenarios for ISPs, enterprises, startups and campus networks. Currently working at an expert level with a variety of network technologies (Cisco, Juniper, Fortinet, Huawei, bgp, isis, ospf, mpls,L2/L3 vpn, ipsec vpn, routing-switching, Multicast, Security, AAA/RADIUS, Network Monitoring windows, linux etc.). Dedicated, flexible and committed to accomplishing any given task/goal without supervision; Keen to learn new skills and adapt to changes. I'm seeking opportunities to audit, build, reconfigure or maintain network or server infrastructure of any company. Vendor Certification: # Red Hat Certified Engineer (RHCE) # Red Hat Certified System Administrator (RHCSA) # Cisco Certified Network Associate (CCNA)

I am a Senior Database Engineer and Microsoft Business Intelligence Specialist with 17+ years of experience designing, developing, and optimizing enterprise data solutions. I help organizations transform raw data into actionable insights by building scalable databases, modern data pipelines, business intelligence solutions, and automated reporting systems. My expertise covers the complete data lifecycle—from database architecture and ETL development to data warehousing, cloud data platforms, reporting, and business automation. I have successfully delivered enterprise solutions for manufacturing, ERP, healthcare, education, transportation, retail, and finance organizations. What I Can Help You With- • SQL Server database design, development, administration, and performance tuning • Complex T-SQL, stored procedures, views, functions, triggers, and indexing • ETL/ELT development using SSIS and Azure Data Factory • Data warehouse architecture, dimensional modeling, Star & Snowflake Schema • Microsoft Fabric and modern analytics solutions • Interactive Power BI dashboards, DAX, Power Query, KPI reporting, and semantic models • SSRS, RDLC, Crystal Reports, Paginated Reports, and Excel reporting • Azure SQL Database, Azure Managed Instance, and cloud data solutions • Data migration, integration, validation, automation, and performance optimization • ERP reporting and database support ## Core Technical Skills ## Data Engineering: SQL Server (2000–2022), SSIS, SSAS, SSRS, Data Warehousing, Data Modeling, DAX, Power Query, MDX, Query Optimization Cloud: Azure SQL Database, Azure Managed Instance, Azure Data Factory, Microsoft Fabric, OneLake, Power BI Service Development: ASP NOT NET Core, ASP DOT NET MVC, C#, Web API, Entity Framework, HTML5, CSS3, Bootstrap, jQuery ## Professional Experience ## Freelance Database Engineer & Microsoft BI Consultant (2021–Present) Working with international clients through Upwork and Fiverr to deliver SQL Server solutions, Power BI dashboards, ETL pipelines, Azure data integration, Microsoft Fabric analytics, ERP reporting, and database optimization. Raihana Consulting (Affiliated with Mizkan America, USA) | Senior Software Engineer (2011–2021) Designed enterprise SQL Server databases, SSIS packages, SSRS reports, Power BI dashboards, and reporting solutions for Microsoft Dynamics AX ERP. Served as the Lead Engineer for the Mizkan Report Manager Version 4, an enterprise reporting platform built with ASP DOT NET MVC, SQL Server, and SSRS. Ask Bangladesh Ltd. | Software Engineer (2010–2011) Developed ERP and business applications using C#, ASP DOT NET, SQL Server, Entity Framework, and Crystal Reports. IT Bangla Ltd. | Programmer & Technical Faculty (2008–2010) Developed software applications and delivered professional training on SQL Server, DOT NET, and database technologies. ## Selected Projects ## • Mizkan Report Manager for Microsoft Dynamics AX ERP • Executive BI Dashboards for Sales, Finance, Inventory, Production, and Purchasing • Manufacturing ERP Solutions for Textile Industry • Azure SQL Database & Azure Data Factory Integration • Vehicle Storage & Billing Management System • Enterprise SQL Server Data Warehouse Solutions ##Education & Certifications## Bachelor of Business Information Technology – University of Greenwich (UK) Diploma in Enterprise System Analysis and Design (ESAD) – IDB-BISEW ## Certifications ## Microsoft Certified Professional Developer (MCPD) Microsoft Certified Professional (MCP) Red Hat Certified Engineer (RHCE) ## Why Clients Choose Me ## ✔ 17+ years of enterprise data engineering experience ✔ Deep expertise across the Microsoft Data Platform ✔ Strong ERP and enterprise reporting background ✔ High-performance, scalable, and secure solutions ✔ Clear communication, reliable delivery, and long-term support Whether you need SQL Server optimization, Power BI dashboards, ETL pipelines, Azure data integration, Microsoft Fabric implementation, or enterprise reporting, I deliver reliable, scalable solutions that help businesses turn data into measurable value. Let's discuss how I can help your business make better decisions with data.