Muhammad Azhar

• Designed, deployed, and managed Linux & Windows cloud servers across Azure and multi-provider VPS environments
• Provisioned and optimized VPS infrastructure based on client workloads, improving performance and cost efficiency
• Executed zero-downtime website and server migrations, including DNS cutovers, SSL configuration, and database transfers
• Configured and migrated email systems (Google Workspace, Webmail), ensuring secure delivery and minimal downtime
• Managed DNS architecture (A, MX, TXT, SPF, DKIM, DMARC) and resolved complex domain/email issues
• Implemented secure VPN solutions (OpenVPN) for remote team access
• Designed and maintained backup and disaster recovery strategies for servers, databases, and email systems
• Provided remote technical support to international clients across cloud and infrastructure environments
Key
• Led resolution critical email delivery outage multi-tenant IP
blocking (Cloudmark)
• Performed deep analysis of Exim mail queues and logs to identify excessive outbound traffic from WordPress-based processes
• Mitigated issue by enforcing email rate limits, cleaning mail queues, and controlling bulk email sources, restoring normal
delivery across all domains
• Implemented preventive controls and monitoring improvements to stabilize mail server performance and prevent recurrence

• Installed, configured, and maintained enterprise servers and IT infrastructure ensuring high availability and performance
• Managed network infrastructure including routers, switches, and firewalls
• Implemented system monitoring, access control, and security policies
• Administered VoIP systems (cloud & on-prem PBX), including setup, user provisioning, and backups
• Managed email servers and communication platforms
• Deployed antivirus systems and implemented data protection and backup strategies

• Delivered Level 2 & Level 3 IT support for hardware, software, and network-related issues
• Managed IT infrastructure including server rooms, proxy systems, and CCTV environments
• Installed and maintained systems to ensure continuous availability and performance
• Supported collaboration tools, video conferencing, and departmental IT operations
• Maintained service desk documentation and performance reporting

• Assisted in troubleshooting IT systems and supporting infrastructure operations