With over 9 years of hands-on experience, I am a certified Systems Administrator specialising in Microsoft Office 365, Windows Server, and macOS environments. My focus is on providing robust, secure, and reliable IT solutions that keep your business running smoothly. From seamless cloud migrations and security management to troubleshooting complex network issues, I deliver expert-level support that reduces downtime and protects your data. I hold certifications including MCSA: Office 365 and MCP: Microsoft Azure, ensuring I provide solutions built on the latest industry standards.
Cloud & Microsoft Services
- Microsoft 365 & Google Workspace Administration
- Email, Calendar, & DNS Configuration
- Data Migration (PST, Exchange, On-Premise to Cloud)
- Microsoft Exchange Hybrid Deployment
- Azure Active Directory Sync (DirSync)
- Single Sign-On (SSO) for M365
Operating Systems & Servers
- Windows Server (2008R2, 2012R2, 2016, 2019)
- Windows (7, 8, 10, 11)
- macOS & macOS Server
Virtualisation & Desktop Support
- Hyper-V, VMware Workstation
- Remote Desktop & Technical Support
- Data Backup & Recovery Solutions
- Account Security & Recovery
Virtual Machine
Virtualization
Microsoft Exchange Online
Windows 11 Administration
Computer Hardware Installation
Open Networking Operating System
Computer Skills
Data Migration
Windows 10 Administration
Office 365
Microsoft Outlook
Printer
Graphic Design
Cloud Architecture
Izhar H.
Karachi, Pakistan
$40/hr
5.0
22 jobs
Experienced System Administrator with comprehensive expertise in managing, maintaining, and optimizing complex IT infrastructures. Specialized in enterprise-level server administration, cloud computing, and implementing robust security solutions. Committed to delivering reliable, scalable, and cost-effective IT solutions that align with business objectives.
--- CORE COMPETENCIES
-- System Administration:
- Windows Server Administration (2012/2016/2019/2022)
- Linux Server Management (RHEL, CentOS, Ubuntu, Debian)
- Active Directory, DNS, DHCP, Group Policy Management
- User Account Management and Access Control
- System Performance Tuning and Optimization
-- Cloud Infrastructure:
- Amazon Web Services (AWS) - EC2, S3, RDS, VPC, IAM
- Microsoft Azure - VMs, Storage, Azure AD, Networking
- Google Cloud Platform - Compute, Storage, Networking
- Cloud Migration and Hybrid Cloud Implementation
- Cost Optimization and Resource Management
-- Virtualization & Containerization:
- VMware vSphere, ESXi, vCenter
- Microsoft Hyper-V
- Docker and Kubernetes
- Container Orchestration and Management
- Virtual Machine Deployment and Maintenance
-- Network Administration:
- Network Configuration and Troubleshooting
- Firewall Configuration and Management
- VPN Setup and Administration
- Load Balancing and High Availability
- Network Security and Monitoring
--- TECHNICAL EXPERTISE
- Operating Systems: Windows Server, Linux (Multiple Distributions), Unix, macOS
- Database Systems: MySQL, PostgreSQL, Microsoft SQL Server, MongoDB, MariaDB
- Web Servers: Apache, Nginx, IIS, Tomcat, LiteSpeed
- Monitoring Tools: Nagios, Zabbix, Prometheus, Grafana, DataDog, New Relic
- Backup Solutions: Veeam, Acronis, Bacula, AWS Backup, Azure Backup
- Automation Tools: Ansible, Terraform, PowerShell, Bash Scripting, Python
- Security Tools: Firewall Management, SSL/TLS, VPN Technologies, Security Auditing
- Collaboration: Microsoft Exchange, Office 365, Google Workspace
--- SERVICES PROVIDED
-- Infrastructure Setup & Configuration
- Server deployment and initial configuration
- Network architecture design and implementation
- Storage solution setup (SAN/NAS/DAS)
-- Maintenance & Support
- 24/7 system monitoring and alerting
- Regular maintenance and updates
- Performance optimization and troubleshooting
- Incident management and resolution
-- Cloud Services
- Cloud migration planning and execution
- Multi-cloud environment management
- Cloud cost optimization
- Disaster recovery setup
-- Security Implementation
- Security assessment and hardening
- Backup and recovery strategy
- Compliance management
- Access control and authentication
-- Documentation & Reporting
- System documentation and runbooks
- Regular performance reports
- Capacity planning reports
- Incident and change management documentation
--- PROJECT EXPERIENCE
- Successfully managed IT infrastructure for organizations ranging from startups to enterprises
- Implemented high-availability solutions achieving 99.9% uptime SLA
- Executed seamless cloud migrations with zero data loss
- Designed and deployed disaster recovery solutions
- Automated routine tasks reducing manual intervention by 70%
- Optimized infrastructure costs resulting in 30-40% reduction in IT expenses
--- PROFESSIONAL APPROACH
-- Planning & Analysis
- Thorough assessment of current infrastructure
- Identification of improvement opportunities
- Strategic planning aligned with business goals
-- Implementation
- Methodical deployment following best practices
- Minimal disruption to business operations
- Comprehensive testing and validation
-- Support & Optimization
- Proactive monitoring and maintenance
- Continuous improvement initiatives
- Regular performance reviews and optimization
--- CERTIFICATIONS & QUALIFICATIONS
- Microsoft Certified: Azure Administrator Associate
- AWS Certified Solutions Architect
- CompTIA Server+ and Network+
- ITIL Foundation Certified
- Red Hat Certified System Administrator (RHCSA)
--- AVAILABILITY & TERMS
-- Engagement Types:
- Hourly consultations
- Fixed-price projects
- Monthly retainer agreements
- Emergency support services
-- Communication:
- Daily status updates
- Weekly progress reports
- Available via Upwork messages, email, Slack
- Video conferencing for meetings
-- Working Hours:
- Flexible schedule across time zones
- Emergency support available 24/7
- Response time within 2-4 hours
-- WHY WORK WITH ME:
Proven Track Record: Extensive experience managing diverse IT environments
Reliable & Responsive: Quick turnaround times and consistent communication
Cost-Effective Solutions: Focus on ROI and operational efficiency
Security-First Approach: Emphasis on data protection and compliance
Documentation: Comprehensive documentation for all implementations
Knowledge Transfer: Training and support for your team
Contact me today to schedule a consultation and take the first step toward optimizing your IT infrastructure.
Domain Migration
Microsoft Outlook
System Administration
Desktop Support
Windows Administration
Microsoft Azure
Microsoft Office
Office 365
Technical Support
Fortinet
Firewall
VMware Administration
Virtual Desktop Infrastructure
Microsoft Azure Administration
VPN
Muhammad W.
Karachi, Pakistan
$15/hr
5.0
181 jobs
With 15+ years of IT experience and 3+ years of MSP experience, I help businesses manage, secure, and optimize their IT infrastructure, Microsoft 365 environments, and remote support operations.
I specialize in Microsoft 365, MSP support, cybersecurity, Windows/macOS support, server administration, email migration, backup solutions, and network management for SMBs, law firms, retail businesses, restaurants, and multi-location organizations.
Core Expertise:
Microsoft 365 Administration
Exchange Online, Teams, SharePoint & OneDrive
Active Directory & Intune
Windows Server 2016/2019/2022
Windows 10/11 & macOS Support
Server Migration & Remote IT Support
DNS, VPN & Network Troubleshooting
SQL Server Administration
Email Migration & Deliverability
Cloud & Hybrid Infrastructure
MSP & IT Management Tools:
NinjaOne RMM
Datto Autotask PSA
Freshdesk ticketing system
MSP360
Kaseya IT Glue
Datto SaaS Protection
Cybersecurity & Network Experience:
Bitdefender GravityZone EDR
Blackpoint MDR / ITDR / SIEM Monitoring
ProofpointEmail Security
SonicWall Firewall Management
Ubiquiti UniFi Network Administration
Internal and External Vulnerability Scan Management using ConnectWise
Backup & Disaster Recovery
Email & Hosting Expertise:
Microsoft 365 & Google Workspace Migration
cPanel / Plesk / DirectAdmin
SPF, DKIM & DMARC Configuration
Web Hosting & Email Troubleshooting
✔ 15+ Years IT Experience
✔ 3+ Years MSP Experience
✔ 100% Job Success
✔ Top Rated Plus Freelancer
✔ Fast Response & Reliable Support
I am committed to delivering secure, reliable, and professional IT solutions that help businesses operate smoothly and efficiently.
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