Mohammed Newaj - Cloud Solution Architect for Azure

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Available

Munich, Germany

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Experience

Jan 2023 - Present

3 years 10 months

Dhaka, Bangladesh

IT System Manager

Corporate Network Solution Provider

Architected, Deployed and Supported hosted email solutions in Linux and Windows environments with enterprise-grade anti-spam and security architecture for service-provider environments.
Managed Microsoft Azure environments including Virtual Machines, VNets, Storage, VPN, and Firewall configuration.
Administered Microsoft Exchange Server (2010-2019), Microsoft Exchange Server SE, Active Directory, PKI, Hyper-V and Zimbra environments with disaster recovery planning and operational support.
Led Microsoft 365 onboarding and migration projects from Exchange, IMAP, and Zimbra platforms to Microsoft 365.
Prepare security and compliance to support Microsoft 365 Copilot.
Implement information protection and data loss prevention by using Microsoft Purview.
Implement retention, eDiscovery, and communication compliance in Microsoft Purview.
Integrated Active Directory Domain Services (AD DS), Active Directory Certificate Services (AD CS), and Active Directory Federation Services (AD FS).
Delivered secure hybrid infrastructure solutions integrating Microsoft Windows Server and Linux-based enterprise environments.
Supported enterprise integration projects involving Debian, Ubuntu, CentOS, Red Hat, Barracuda ESG, Qmail and Zimbra Platforms.

Aug 2020 - Jun 2023

2 years 11 months

Dhaka, Bangladesh

Asst.GM: Technical (Systems)

CoLoCity Ltd. (Tier III Datacenter)

Managed Microsoft Azure environments administration, tenant onboarding including Virtual Machines, VNets, Storage, VPN, and Firewall configuration.
Architected and managed Azure Stack Hub onboarding and hybrid cloud operations for enterprise tenants.
Perform Azure Stack Hub administration including tenant onboarding, secret rotation, OEM patching, lifecycle updates, and operational maintenance.
Installed, configured, and administered Microsoft Exchange Server (2007-2019), Hyper-V, and Qmail Server, Postfix Server, and Zimbra enterprise messaging platforms.
Designed multi-server Zimbra environments and high-availability Qmail infrastructure for enterprise customers.
Implemented Barracuda Email Security Gateway solutions to secure enterprise messaging environments against spam, phishing, and malware threats.
Architected, designed, deployed, and supported a Microsoft Active Directory Domain Services environment for 5,000+ users, ensuring high availability, security, and scalable identity management.
Led the architecture, deployment, and operational support of a Zimbra Multi-Server email platform serving 8,000+ mailboxes (Zimbra NE hosted environment), ensuring reliable enterprise messaging services.
Designed and implemented a Barracuda Email Security Gateway solution for 10,000+ users, strengthening enterprise email protection, spam filtering, and threat prevention in a hosted environment.
Architected and deployed a High Availability DNS infrastructure for a large enterprise environment, ensuring resilient and uninterrupted name resolution services.
Onboarded 180+ tenants into Azure Stack Hub, including configuration of plans, offers, subscriptions, and tenant portal/admin portal setup for self-service cloud consumption.
Managed Azure Stack Hub lifecycle operations, including secret rotation, OEM patching, update management, and regular backup operations to ensure platform security, compliance, and stability.
Managed Microsoft 365 administration, tenant onboarding, DNS configuration, and email migration projects.

Jan 2019 - Aug 2020

1 year 8 months

Dhaka, Bangladesh

Senior Manager: Systems Department

CoLoCity Ltd. (Tier III Datacenter)

Delivered Microsoft Exchange and Linux-based enterprise messaging platforms for SME and enterprise customers.
Implemented disaster recovery planning and recovery operations for Microsoft Exchange Server and Active Directory Domain Service environments.
Installed and administered VMware, Hyper-V, Citrix Xen Server, and Apache Cloud Stack virtualization platforms.
Managed Microsoft 365 onboarding, DNS integration, and enterprise email migration projects.
Implemented PKI services and identity infrastructure solutions for corporate clients.
Provided enterprise-level support for messaging systems, Active Directory, and cloud infrastructure environments.

Feb 2012 - Dec 2018

6 years 11 months

Dhaka, Bangladesh

System Administrator

CoLoCity Ltd.

Delivered hosted enterprise email and anti-spam solutions for service-provider environments.
Led disaster recovery planning and recovery operations for Exchange Server, Active Directory, and Linux-based messaging systems.
Installed and configured Barracuda Email Security Gateway VX-600 appliances.
Managed enterprise messaging environments supporting 9000+ users and 100+ Domains.
Configured enterprise DNS records including MX, SPF, DKIM, CNAME, SRV, AAAA and Host records.
Supported enterprise messaging migration and system integration projects.
Configured enterprise networking solutions using Cisco switches, VLANs, and Inter-VLAN routing.
Installed and configured Windows Server 2000-2022, and Linux servers Debian, Ubuntu, CentOS, RedHat.

Sep 2010 - Jan 2012

1 year 5 months

Chattogram, Bangladesh

Team Manager (IT)

Youngone CEPZ Ltd.

Architected, designed, deployed and supported a Microsoft Active Directory Domain Services for 3000+ users' environment, ensuring high availability, security and scalable identity management.
Designed Deployed and supported a Group Policy, Delegated User Administration policy.
Managed Windows and Linux servers, including mail servers, DHCP, VPN, FTP, and firewall services.
Architected, designed, deployed, and supported a Qmail Server in Linux environment for 5,000+ users, ensuring high availability, security, and scalable identity management.
Managed LAN/WAN infrastructure, Cisco L2/L3 networking switches, routers, and Linux-based DNS/mail systems.
Installed, Configured and maintained monitoring systems using WhatsUp Gold.
Organized training sessions and supervised IT support team to ensure timely problem resolution.

Sep 2007 - Aug 2010

3 years

Chattogram, Bangladesh

Network Engineer

Aamra Networks Ltd.

Designed and administered Active Directory Domain Services and Linux-based enterprise messaging systems.
Supported LAN/WAN infrastructure and implemented group policy-based security environments.
Architected, designed, deployed and maintained network services including RIS, DHCP, Proxy, FTP, VPN, NAT, Squid, and ISA Server 2006.
Assisted enterprise clients with secure infrastructure deployment and network administration.

Feb 2006 - Aug 2007

1 year 7 months

Chattogram, Bangladesh

System Executive (IT)

Innovative Online Ltd.

Supported LAN/WAN infrastructure services for enterprise and corporate customers.
Installed and configured proxy servers, routers, switches, and enterprise networking components.
Assisted with enterprise infrastructure troubleshooting and operational support.

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Telecommunication, Fashion, and Manufacturing.

Information Technology

Telecommunication

Fashion

Manufacturing

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology and Project Management.

Information Technology

Project Management

Summary

IT System Manager and Cloud Solution Architect with 19+ years of experience designing, deploying, migrating, and operating enterprise-scale Microsoft and hybrid infrastructures across Managed Service Provider (MSP), Cloud Service Provider (CSP), and Tier III datacenter environments.

Specialized in Microsoft Azure, Azure Stack Hub, Microsoft 365, Exchange Server, Active Directory, enterprise messaging systems, and hybrid cloud architecture. Proven expertise in delivering highly available, secure, and scalable infrastructure solutions supporting environments ranging from 900 to 30,000+ users.

Strong hands-on experience in:

Enterprise messaging architecture.
Large-scale email migration projects.
Disaster recovery and ransomware recovery.
Identity and access management.
Hybrid cloud operations.
Security hardening and email protection.
High availability infrastructure design.

Successfully delivered zero-downtime migration projects, enterprise disaster recovery operations, Azure Stack Hub tenant onboarding, and mission-critical messaging infrastructure implementations for corporate and enterprise environments.

Currently seeking opportunities as a Senior Cloud Solution Architect, Azure Consultant, Microsoft Infrastructure Architect, or Hybrid Cloud Specialist in Germany.

Hybrid Cloud Deployment: Designed and deployed a hybrid cloud infrastructure using Microsoft Azure Stack Hub within a Tier III datacenter environment, supporting 180+ tenant virtual machines with high availability and scalable resource management.
Large-Scale Exchange Migration: Successfully completed enterprise-scale Microsoft Exchange migration projects with zero downtime and zero data loss, including migration of 900+ users from Exchange 2010 to Exchange 2016 for RANGS Electronics Limited.
Messaging Security Implementation: Implemented enterprise email security solutions using Barracuda Networks Email Security Gateway, securing 9,000+ users and reducing phishing and spam threats by approximately 85%.
Enterprise Active Directory Deployment: Designed and implemented Active Directory Domain Services (AD DS) infrastructure for 3,000+ users at Youngone Corporation, including Group Policy management, secure file access, and centralized identity administration.
Enterprise PKI & AD CS Deployment: Designed and implemented a secure enterprise Public Key Infrastructure (PKI) using Microsoft Active Directory Certificate Services (AD CS), including Enterprise Root CA and Enterprise Subordinate CA architecture for 600+ users at Directorate General of Forces Intelligence. Configured certificate templates, automated certificate enrollment through Group Policy, and deployed user and Exchange certificates to enable secure encrypted internal email communication, centralized identity management, and prevention of unauthorized external forwarding or information leakage.
High-Availability Email Platforms: Built and deployed high-availability Qmail email platforms for 33+ corporate clients, delivered more than 30,000 users' mailboxes. Also designed and implemented a highly available Zimbra Network Edition multi-server environment supporting 8,000+ users.
Linux Email Migration: Successfully migrated 1,600+ users from IMAP-based mail systems to Zimbra Network Edition with zero downtime at CoLoCity Limited for hosted email service delivery.
Disaster Recovery & Ransomware Recovery: Recovered and rebuilt a compromised Microsoft Exchange and Active Directory environment for a 1,000+ user organization following a ransomware attack, restoring critical business services and ensuring operational continuity.
Integration: Installed and configured Microsoft Exchange 2019 for 500+ users of DGFI Bangladesh, 900+ users for RANGS Electronics Ltd., and 800+ users for TVS Auto Bangladesh.
Enterprise Messaging & Identity Infrastructure Deployment: Designed, installed, configured, and deployed enterprise-grade Microsoft Active Directory Domain Services (AD DS), Active Directory Certificate Services (AD CS), and Exchange Server environments for multiple enterprise organizations, including 600+ users for Directorate General of Forces Intelligence, 900+ users for RANGS Electronics Limited, and 800+ users for TVS Auto Bangladesh Limited.

Skills

Cybersecurity
Barracuda Email Security Gateway
Barracuda Web Application Firewall
Email Security And Threat Protection
Ransomware Recovery And Server Restoration
Security Monitoring And Incident Response
Identity Protection And Security Hardening
It Management & Operations
Service Delivery
Client Onboarding
Production Support
It Infrastructure Management
Monitoring And Troubleshooting
Change And Incident Management
Microsoft Ecosystem
Azure Administration
Azure Stack Hub Operator
Azure Solution Architect
Microsoft 365 Administration
Microsoft 365 Migration
Active Directory Service
Azure Identity & Access Management
Exchange Migration
Ad Migration
Windows Server Administration
Cloud & Hybrid Architecture: Administration, Configuration Of Azure, Azure Stack Hub, Vm, Vnet, Firewall, Vpn.
Messaging & Collaboration: Installation, Configuration Of Microsoft 365, Exchange (2010–2019), Zimbra, Qmail.
Email Migration: Microsoft Exchange (2010-2019)-Microsoft 365, Imap-Zimbra Ne. Zimbra-Exchange And Microsoft 365.
Security & Compliance: Microsoft Purview, Barracuda Email Sg / Web Application Firewall, Linux Firewall.
Identity & Directory Services: Active Directory Domain Service, Pki, Ad Federation Service, Adc Service, Gpo.
Virtualization: Installation, Configuration Of Vmware, Hyper-V, Citrix Xen, Virtualizor, Apache Cloud Stack.
Operating Systems: Installation & Configuration Of Windows Server 2000-2025, Linux, Debian, Centos, Red Hat.
Ai: Integration, Configuration & Administration Of Microsoft 365 Copilot, Copilot, Chatgpt, Deepseek, Gemini.
Networking: Configuring, Managing And Administration Of Vlan, Inter-Vlan Routing, Routing Using Cisco.
Database Administration & High Availability: Microsoft Sql Server Installation And Configuration; Always On Availability Groups; Windows Server Failover Clustering (Wsfc); Sql Server High Availability And Disaster Recovery; Database Backup, Restore And Recovery.

Languages

Bangla

Native

English

Advanced

Hindi

Advanced

Urdu

Advanced

German

Intermediate

Education

Jan 2018 - Jun 2021

Atish Dipankar University of Science and Technology

B.Sc. · Computer Science & Engineering · Dhaka, Bangladesh · 3.65

Jan 2004 - Jun 2006

NIIT

Honors Diploma in Network Engineering · Network Engineering · Dhaka, Bangladesh · 3.70

Jan 1997 - Dec 1998

Government City College

Higher Secondary School Certificate · Science · Chattogram, Bangladesh · 3.

...and 1 more

Certifications & licenses

Microsoft

EMS

Barracuda

Email Security Gateway

Barracuda

Implement information protection & data loss prevention by using Microsoft Purview

Microsoft

Implement retention, eDiscovery & communication compliance in Microsoft Purview

Microsoft

Message Archiver

Barracuda

Prepare security and compliance to support Microsoft 365 Copilot

Microsoft

Secure storage for Azure files and Azure blob storage. Administer ADDS

Microsoft

Technical Sales & Solution Certification

Zimbra

Web Security Gateway

Barracuda

Web Security Service

Barracuda

Statistics

Experience

Total positions 7

Experience in Information Technology 19 y

Avg length 3 y

Longest experience 6 y 10 m

Global experience

Countries worked in 1 (Bangladesh)

Primary country Bangladesh

Expertise

Recent roles IT System Manager, Asst.GM: Technical (Systems), Senior Manager: Systems Department

Main industries Information Technology, Telecommunication, Fashion

Main business areas Information Technology, Project Management

Qualifications

Highest degree Bachelor

Certifications earned 14

Profile

Member since

October 2026

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Frequently asked questions

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Mohammed is based in Munich, Germany and can operate in on-site, hybrid, and remote work models.

Mohammed speaks the following languages: Bengali (Native), English (Advanced), Hindi (Advanced), Urdu (Advanced), German (Intermediate).

Mohammed has at least 21 years of experience. During this time, Mohammed has worked in at least 7 different roles and for 6 different companies. The average length of individual experience is 3 years and 11 months. Note that Mohammed may not have shared all experience and actually has more experience.

Based on recent experience, Mohammed would be well-suited for roles such as: IT System Manager, Asst.GM: Technical (Systems), Senior Manager: Systems Department.

Mohammed's most recent position is IT System Manager at Corporate Network Solution Provider.

In recent years, Mohammed has worked for Corporate Network Solution Provider and CoLoCity Ltd. (Tier III Datacenter).

Mohammed is most experienced in industries like Information Technology, Telecommunication, and Fashion. Mohammed also has some experience in Manufacturing.

Mohammed is most experienced in business areas like Information Technology and Project Management.

Mohammed has recently worked in industries like Information Technology.

Mohammed has recently worked in business areas like Information Technology and Project Management.

Mohammed holds a Bachelor in Computer Science & Engineering from Atish Dipankar University of Science and Technology and a Bachelor in Network Engineering from NIIT.

Mohammed has 14 certificates. Among them, these include: Azure Administrator Associate, Azure Security Engineer, and Azure Solutions Architect Expert.

Mohammed is immediately available full-time for suitable projects.

Daily rate distribution

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Average rates for similar positions

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Daily rate avg. 1010 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1200

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Median rate 1000 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 21 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.