I have 8 years+ of working experience on Linux system, Virtualization, Storage system and Backup solutions.
My view is to pursue a more challenging job in a dynamic and esteemed organization or person where I will be able to work in any kind of situation with full efforts to utilize my knowledge, skills and experience.
Hereafter I would like to offer myself to do your great job with highest priority, sincerity & cordially.
TECHNICAL EXPERTISE:
✔ Platform (RedHat, CentOS, Fedora, SUSE, Ubuntu, Debian, HP-UX, Solaris, MacOS, etc.)
✔ Virtualization (VMware, OVM, KVM, Zen, oVirt, etc.)
✔ Storage (HPE, Dell EMC, NetApp, etc.)
✔ Data Backup and Disaster recovery Solution (Data Protector, Veem, Commvault)
✔ SAN Network (Brocade SAN Switch)
✔ Server Hardware (HPE, Dell, Lenovo, etc.)
✔ HPE Synergy, Cisco HyperFlex.
✔ Tools/Services (Zabbix, Nagios, Cacti, PRTG, Apache, Nginx, DNS, DHCP, Cluster, cPanel, Webmin, OpenVPN, SoftEther, etc.)
✔ More
CERTIFICATIONS:
✔ VMware Certified Professional 6 – Data Center Virtualization (VCP6-DCV)
✔ Red Hat Open Stack Administration (RHCL 210)
✔ Red Hat Certified Specialist in Ansible Automation (EX407)
✔ Red Hat Enterprise Clustering and Storage Management (RH436)
✔ Red Hat Certificate of Expertise in Server Hardening (RH413)
✔ Red Hat Certified Engineer (RHCE)
✔ Red Hat Certified System Administrator (RHCSA)
✔ HPE Linux Solution Qualification
✔ Cisco Certified Network Associate (CCNA)
✔ Data Protector 9.0X Advanced Integration
✔ HPE 3PAR StoreServ Hardware Service and Solution Qualification (7/8/9/10/20xxx)
✔ HPE Synergy Service & Solution Qualification
✔ HPE Proliant Blade/ML/DL/SL/and Apollo Service and Solution Qualification
✔ HPE StoreEver MSL Tape Libraries and 1/8 Autoloader Service and Solution Qualification
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Windows Server
Linux
Server Virtualization
System Administration
VMWare
Data Backup
Storage Array
Kubernetes
VMware Administration
Storage Area Network
Kernel-based Virtual Machine
Ansible
Linux System Administration
System Hardening
VMware ESX Server
HP Synergy
Backup Administration
Md Imran A.
Dhaka, Bangladesh
$40/hr
5.0
128 jobs
Cloud Infrastructure and Platform Engineering professional with extensive experience in designing, deploying, and managing enterprise-scale cloud platforms and mission-critical infrastructure. Expertise in OpenStack, Kubernetes, virtualization, software-defined storage, Linux, automation, and cloud networking.
Certification:
🥇 Certified Kubernetes Administrator (CKA)
🥇 Red Hat Certified Engineer (RHCE)
🥇 Red Hat Certified System Administrator (RHCSA)
🥇 Red Hat Certified Specialist in Virtualization (RHCVA)
Skills and Specialties:
✅ Virtualization & Cloud: OpenStack, Proxmox, Docker, Kubernetes, KVM, AWS
✅ Storage: Ceph, TrueNAS, ZFS, GlusterFS, iSCSI, NFS
✅ Cloud Networking: OVN, OVS, VXLAN, VPN, Load Balancers, Firewalls, GSLB
✅ Automation & DevOps: Ansible, Bash, Terraform, Git, CI/CD
✅ Monitoring & Observability: Zabbix, Prometheus, Grafana, Alertmanager, Node Exporter, ELK
✅ Infrastructure Services: DNS, NTP, Mail Systems, Web Servers, cPanel/WHM
✅ VoIP: Asterisk, FreePBX, Vicidial, Voice Gateway, SS7 Media Gateway
Zimbra Administration
Virtual Private Server
VICIDIAL
Linux System Administration
VoIP Administration
FreePBX
Elastix
Asterisk
Exim
IPv6
Dovecot
DevOps
Kubernetes
A.K.M. Tohidur R.
Dhaka, Bangladesh
$100/hr
5.0
141 jobs
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.
Firewall
Network Security
Network Administration
Cisco Certified Network Professional
Linux
Windows Server
System Administration
FortiGate Firewall
Linux System Administration
Cisco Certified Network Associate
PfSense
Ubiquiti
Cisco
VPN
Fortinet
Md Omar A.
Dhaka, Bangladesh
$10/hr
5.0
3 jobs
Skills:
• Linux Server Administration, Security and Hardening
• Virtualization, KVM, ProxmoxVE
• Mail Server, Webserver etc
• Network Administration
• Juniper MX Series, SRX Series and EX series
• OSPF, BGP, MPLS, VPN, etc
Training and Certifications:
• Red Hat Certified Specialist in Virtualization, Certification ID: 150-115-897
• Red Hat Certified Specialist in Server Security and Hardening, Certification ID: 150-115-897
• Red Hat Certified Engineer, Certification ID: 150-115-897
• Red Hat Certified System Administrator, Certification ID: 150-115-897
• 4x JNCIA, Certification ID: JPR00239432
Projects:
• Implement NWD MPLS (Juniper Device) Backbone for ISP Operation in 2021
• Deploy Proxmox Virtual Environment Cluster with HA and GlusterFS in 2020
• Deploy cPannel, WHM and migrate services from Hostgator to on premises Virtual Environment in 2020
• Establish IPTx and VPN connectivities with different MNOs (GrameenPhone, Robi Axiata, Banglalink and Teletalk) for bilateral SMS service in 2019
• Commission Imperva WAF for Bangladesh Governmental Entity in 2018
MikroTik
Juniper
CentOS
Network Administration
MariaDB
Linux System Administration
Zimbra Administration
cPanel
Intrusion Prevention System
Internet Protocol Security
Debian
Proxmox VE
Iptables
A K M Golam Muhit O.
Dhaka, Bangladesh
$17/hr
4.9
13 jobs
I am a Senior Data 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 Data 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.
Microsoft SQL Server
SQL Server Integration Services
SQL Server Reporting Services
Microsoft Power BI
Data Modeling
ETL Pipeline
Microsoft Azure SQL Database
Data Engineering
Business Intelligence
Data Visualization
Data Analysis
ERP Software
Data Warehousing
Power Query
Mohammad Harun A.
Dhaka, Bangladesh
$20/hr
5.0
1 jobs
👤 Mohammad Harun Al Rashid | ICT & Cybersecurity Specialist | 19+ Years of Experience
I’m a seasoned ICT professional with over 19 years of experience, including 8+ years specializing in Cybersecurity and 6+ years in ICT team leadership. Currently serving as Joint Director (Head of IT) at a national NGO in Bangladesh working in microfinance, I also provide part-time consultancy in:
🔍 ICT & IS Audits
🛡️ Vulnerability Assessment and Penetration Testing (VAPT)
🔐 ISO 27001 Audits
My role blends both technical expertise and strategic oversight, allowing me to drive robust cybersecurity solutions across critical financial and non-financial institutions.
🔧 Core Competencies
🔹 IT/IS Audit & Risk Assessment (Banks, Enterprises)
🔹 Cybersecurity Consulting (ISO 27001, NIST, Local Regulatory Frameworks)
🔹 Vulnerability Assessment & Penetration Testing (VAPT)
🔹 Secure Web Development (PHP, Laravel, JavaScript)
🔹 Cybersecurity Awareness & Capacity Building
📜 Certifications & Credentials
✔️ Certified Information Systems Auditor (CISA) – ISACA
✔️ Certified Ethical Hacker (CEH) – EC-Council
✔️ ISO/IEC 27001 Lead Auditor
✔️ PRINCE2 Foundation (2017)
✔️ COBIT® 5 Foundation
✔️ ITIL Foundation
✔️ Cisco Certified Network Associate (CCNA)
✔️ Microsoft Certified Solutions Associate (MCSA)
✔️ Red Hat Certified Engineer (RHCE)
🧩 Selected Consultancy Projects
🔸 ISO 27001 Audit
▪️ NRB Bank Ltd., Bangladesh
▪️ Mutual Trust Bank Ltd.
▪️ Dhaka Bank Ltd.
🔸 ICT Audit
▪️ Central Procurement Technical Unit (CPTU), Planning Commission (PwC Project)
▪️ IPDC Finance Ltd.
🔸 VAPT Assessment
▪️ Digital Healthcare Solutions
▪️ Department of Social Services (DSS)
🖥️ Technical Skills
💼 Servers: Experienced in managing both Linux & Windows-based mail and web servers
🌐 Networking: Skilled in managing firewalls, routers, and secure configurations
🛠️ Development: Proficient in developing web & desktop applications, and database design, development, and maintenance
Penetration Testing
Vulnerability Assessment
ASP.NET
PHP
CentOS
Android App Development
MySQL Programming
Microsoft Small Business Server Administration
MikroTik RouterOS
Microsoft SQL Server Programming
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