With over 6 years of hands-on experience managing complex IT environments, I specialize in deploying, securing, and optimizing infrastructure across Windows Server and Linux-based systems, both on-premise and in the cloud. I’ve built, maintained, and scaled critical services for fast-growing businesses, from high-availability web servers and SQL databases to endpoint protection and remote monitoring systems.
Here's what I specialize in:
Servers & Virtualization: Expert in managing Windows Server (2012R2, 2016, 2019, 2022) and Ubuntu/Debian servers across DEV, STAGING, UAT, and PROD environments. Highly experienced in deploying, performing in-place upgrades, optimizing performance, and live migrating VMs hosted on Hyper-V and VMware. Strong focus on high availability, failover clustering, replication strategies, storage optimization (NTFS/ReFS), and full infrastructure documentation with redundancy and business continuity planning.
Infrastructure & Cloud: Proficient in designing and managing infrastructure including Nginx and Apache web servers, reverse proxy configurations, load balancing, and SSL management using Let’s Encrypt and Certbot. Experienced in DNS and domain management across Cloudflare, IONOS, and Namecheap, including routing, caching, and security layers. Skilled in provisioning and managing cloud environments on Microsoft Azure and Oracle Cloud Infrastructure (OCI), including VM deployment, networking, storage, and cost optimization.
Automation & Scripting: Advanced experience in PowerShell, Bash, and Ansible to automate patch management, reporting, system health checks, backup operations, and full infrastructure deployment. Built scheduled and event-driven automation using CRON, Windows Task Scheduler, WSUS, and RMM platforms. Focused on reducing manual workload, improving consistency, and ensuring repeatable, error-free operations across environments.
Security & Monitoring: Configured and managed enterprise-grade security solutions including Bitdefender GravityZone, Microsoft Defender for Endpoint, Huntress, SentinelOne, and CrowdStrike. Experienced in threat detection, incident response, endpoint hardening, and compliance alignment. Performed vulnerability assessments and penetration testing using tools such as Burp Suite, Nmap, and Nessus. Deployed and maintained RMM and monitoring solutions including NinjaOne, ConnectWise, and Microsoft Intune for centralized visibility and proactive system management.
Backup & Disaster Recovery: Designed and implemented robust backup and disaster recovery strategies using Veeam Backup & Replication, Hyper-V checkpoints, and SQL backup solutions. Integrated cloud storage such as Wasabi for offsite backups. Conducted regular disaster recovery testing, failover validation, and recovery optimization to ensure data integrity and minimal downtime across both physical and virtual infrastructures.
Vendor & Client Collaboration: Worked closely with solution providers including Bitdefender, ConnectWise, Wasabi, NinjaOne, and Microsoft partners to optimize tooling, streamline operations, and secure cost-effective solutions. Experienced in vendor negotiations, solution architecture alignment, and delivering services that balance technical performance with business requirements while maintaining clear and professional client communication.
Python
Microsoft Exchange Online
Microsoft SharePoint Administration
Microsoft Teams
Office 365
Microsoft Dynamics 365
Windows Server
Linux System Administration
C++
Cybersecurity Monitoring
Information Technology Strategy
Windows 10 Administration
System Administration
Microsoft Intune
Security Operation Center
macOS
JAMF
C++/CLI
Microsoft Azure
Oracle
Ahmed D.
Alexandria, Egypt
$10/hr
5.0
2 jobs
Expert IT System Administrator | Cloud Architect (AWS, Azure) | Virtualization Specialist (VMware, Hyper-V, Proxmox).
With [12 years] of hands-on experience, I am a seasoned IT System Administrator, Cloud Architect, and Virtualization Specialist dedicated to building robust, secure, and efficient IT environments. I combine deep technical expertise with strategic thinking to deliver solutions that not only solve immediate challenges but also support long-term business growth and innovation.
My Core Expertise Includes:
IT System Administration:
Comprehensive management of Windows and Linux server environments.
Network design, configuration, and troubleshooting (routing, switching, firewalls, VPNs).
Active Directory, GPO, DNS, DHCP management.
Backup and disaster recovery planning and implementation (Veeam, Veritas, etc.).
Proactive monitoring, performance tuning, and incident resolution.
Cloud Architecture & Engineering:
Expertise in designing, deploying, and managing highly available, scalable, and secure solutions on AWS and Microsoft Azure.
Cloud migration strategies and execution for diverse workloads.
Cost optimization, security best practices, and compliance adherence in cloud environments.
Virtualization & Hyper-Converged Infrastructure:
In-depth knowledge and practical experience with VMware vSphere, ESXi and vSAN.
Proficiency in Microsoft Hyper-V implementation and management.
Experience with open-source virtualization platforms like Proxmox.
Designing and implementing virtual desktop infrastructure (VDI).
Optimizing virtualized environments for performance, resource utilization, and high availability.
Let's discuss how my expertise in IT System Administration, Cloud Architecture, and Virtualization can drive your business forward. I am ready to leverage my skills to optimize your IT infrastructure and achieve your strategic objectives.
Microsoft Windows
Windows Administration
VMware vSphere
Microsoft Active Directory
Windows Server
Microsoft Azure
Amazon Web Services
Office 365
Microsoft Exchange Server
VMware Administration
Linux System Administration
Server & Virtualization Software
Server Virtualization
Cloud Computing
FortiGate Firewall
Ahmed S.
Suez, Egypt
$40/hr
4.8
12 jobs
Having issues with Active Directory, DNS, DHCP, or Group Policy? I can quickly troubleshoot and resolve your Windows Server problems. Need a new infrastructure? I design, deploy, migrate, and secure Microsoft Windows Server environments following industry best practices.
Windows Administration
Windows Server
Microsoft Active Directory
DNS
DHCP
Microsoft Hyper-V Server
Microsoft Windows PowerShell
Microsoft 365 Copilot
Group Policy
Server Virtualization
Server Administration
System Deployment
Troubleshooting
System Security
Systems Engineering
System Configuration
Network Administration
Microsoft IIS
Technical Support
Product Knowledge
Amr R.
Alexandria, Egypt
$5/hr
5.0
6 jobs
Hello,
Welcome To My Profile
I'm Currently Work with a Company As their System Administrator For 24 Months now,
I have been in The Field for more that 6 Years Now.
I'm Good with All Windows Version (Installing ,Troubleshooting).
I Studied MCSA 2012.
Little Bit CCNA.
I'm A native Arabic Speaker Speak Pretty Good English.
I can work with Some Linux Distributions.
Been Working with Server All this Time Mostly Windows Servers (2003/2008/2012).
I would Enjoy Working With you.
Thank you For your Interest in me.
Windows 7 Administration
Arabic
Windows XP
Translation
Microsoft Word
Software Testing
Abdulrahman M.
El Shorouk City, Egypt
$25/hr
4.7
93 jobs
🏆 Top Rated Freelancer
✅ 100% Job Success Rate
* I'm working as a System administrator with 4 years of experience in the IT field, I have Excellent communication and organizational skills, strong technological and interpersonal skills, Solve problems quickly, resolve conflicts, and meet deadlines while working independently or with a team, Ambitious and eager to learn to prove to be a positive asset to your organization.
* Successfully resolved over 30 technical issues per week, maintaining a customer satisfaction rating of 100% or higher.
* I’m skilled in several different areas, and as such can offer services including (but not limited to):
•Manage Network Infrastructure.
•Installing windows server (AD-DNS-DHCP-Print Server-File Share)
•Kaspersky endpoint administration
•VMware ESXI
•Manage and Configure Fortigate Firewall 80F
•Troubleshoot Windows issues (Hardware & software)
•Manage and Configure Qnap Storage
•Installing Cameras
•Setup Printers & Scanners
•Backup Scenario
•Cloud Computing (Azure - Contabo - Google Cloud)
•Documenting and reporting on system configuration and maintenance
•In-depth Knowledge of Operating Systems (Windows - MacOS)
•Server Migration
•Providing Users With Remote Access
•IT Support L1 & L2
•Microsoft 365 admin
My Courses:
● HCNA Routing and switching (Certified)
● MCSA
● Microsoft Azure AZ 900 Fundamentals
● Microsoft Azure AZ 104 administration
● CCNA
● CompTIA A+
● CompTIA N+
● C++
Please let me know if you have any further questions or concerns. I look forward to working with you.
Thank you, and have a great day.
Microsoft Windows
Microsoft Office
System Administration
macOS
Office 365
IT Support
IT Infrastructure
Tech & IT
Microsoft Outlook
Storage Device
Desktop & Laptop Support
Troubleshooting
Hardware Troubleshooting
Microsoft Azure
Fortinet
Ahmed D.
Beheira, Egypt
$50/hr
4.9
83 jobs
"Hello, I am an experienced IT administrator with expertise in Microsoft 365, Windows server administration, Azure Administration,Intune and more. With over 12 years of experience in IT administration and management, I have a proven track record of successfully managing complex projects and delivering high-quality results.
Some of my key skills and experience include:
Microsoft 365 Administration: Exchange, SharePoint, Teams, OneDrive, Microsoft 365 Defender
Windows Server Administration: Active Directory, DNS, DHCP, Group Policy
Microsoft Azure VM,WVD Administration, Azure Templates, and Backup
Azure AD Management: Conditional Access, SSO, Multifactor Authentication
Intune Management and Microsoft Endpoint Manager
Firewalls, Antivirus, and Mail Gateways: Bitdefender, Barracuda, Webroot
Backup Systems: Azure Backup, Datto, IDrive
RMM Tools: Kaseya RMM, Logmein, Splashtop, ConnectWise, TeamViewer, AnyDesk, Autotask
Ticketing Systems: Kaseya VSA, BMS, Rave, Autotask, ITarian, Atera, ConnectWise Manage
Network Administration and Management: Firewalls, Access Points, Wireless APs, Printers, Scanners
Hyper V and VMware ESXI administration
I have worked on a variety of projects in the past, including working for multiple MSPs and cloud service providers. In my work, I prioritize clear communication and collaboration with my clients to ensure that we are always aligned on project goals and timelines.
If you are looking for an experienced IT administrator who can help you manage your technology infrastructure and ensure that your systems are running smoothly, please don't hesitate to reach out. I look forward to working with you!"
Windows Administration
VPN
Microsoft Office
Microsoft Teams
System Administration
Windows Server
Microsoft Exchange Server
Cisco ASA
Office 365
DNS
Cisco Router
Technical Support
Microsoft Active Directory
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