Rizwan Ranjha
Professional Summary
Experienced System Administrator, DevOps Engineer and Site Reliability Engineer with 14+ years of expertise in cloud infrastructure, enterprise IT systems, and automation. Specialized in Microsoft Azure, Amazon Web Services (AWS), VMware virtualization, Cisco networking, and modern DevOps practices. Proven track record in designing, implementing, and maintaining scalable, secure, and highly available infrastructure solutions for startups and enterprises.
Core Competencies & Technical Skills
Cloud Platforms & Services
Virtualization & Infrastructure
Networking & Security
DevOps & Automation Tools
Backup & Monitoring Solutions
Database & Application Servers
Professional Experience
System Administrator
Lead infrastructure operations and cloud services management for enterprise clients. Responsible for designing, implementing, and maintaining scalable cloud and on-premises infrastructure solutions.
- Managed and administered Microsoft Azure cloud infrastructure, Office 365, Teams, and SharePoint Online for multiple enterprise clients
- Designed and implemented AWS solutions including EC2, RDS, S3, Route 53, and Elastic Load Balancing
- Maintained VMware vSphere and Hyper-V virtualization environments supporting 100+ virtual machines
- Administered Microsoft Active Directory, DNS, DHCP, WSUS, DFS, and Remote Desktop Services across Windows Server 2003-2012 environments
- Configured and managed Cisco ASA firewalls, switches, MikroTik routers, and pfSense gateways
- Implemented DevOps practices with BitBucket, Jira, Bugzilla, and Git-based source control systems
- Managed comprehensive backup solutions using Acronis, StorageCraft, Symantec Backup Exec, and StoreGrid
- Maintained network inventory and monitoring using Lansweeper, Spiceworks, and ManageEngine tools
- Coordinated vendor relationships and maintained procedural documentation for IT operations
Network Engineer
Managed network infrastructure, server services, and virtualization technologies for enterprise clients.
- Administered Microsoft Active Directory, DNS, and DHCP services on Windows Server 2003-2008
- Managed Hyper-V and VMware Workstation virtualization environments
- Configured Microsoft ISA Server and Forefront TMG firewall solutions
- Maintained Cisco network switches and infrastructure
- Provided server and desktop support, network troubleshooting, and inventory management
Network Engineer
Managed dual-domain Active Directory environment and enterprise IT infrastructure.
- Maintained two separate Active Directory domains with domain controllers
- Configured Microsoft ISA Server 2004 with GFI Webmonitor
- Managed WSUS 3.0, Visual SourceSafe, MDaemon Mail Server, and antivirus solutions
- Implemented backup strategies and network systems inventory
- Provided servers, desktop support, and vendor coordination
Network Engineer / Help Desk Support
Provided IT support for global pharmaceutical company's Pakistan regional office and factory site.
- Managed Active Directory 2000, DHCP, DNS, and Symantec Antivirus Server
- Maintained CA ARCserve backup solutions and SQL-based Payroll Server
- Configured Nortel PBX systems and Polycom video/audio conferencing
- Deployed and managed VMware ESX 3.5 servers with DRAC 5 monitoring
- Supported APAC regional sites and managed Gujranwala factory network infrastructure
Assistant Network Engineer
Provided desktop support and network administration for engineering and information systems departments.
- Managed desktop support, email client configurations, and software installations
- Performed network troubleshooting and hardware inventory management
- Supported PEC project and Data Management Department (DMD) operations
- Maintained DMD domain user and group management
Assistant Network Internee
Gained hands-on experience in network operations, system installations, and troubleshooting under supervision of senior network engineers.
Additional Information
Total Experience
14+ years in System Administration, Network Engineering, and DevOps
Key Expertise Areas
- Cloud Infrastructure (Azure, AWS)
- Enterprise IT Systems Management
- Network Security & Firewall Configuration
- Virtualization & Infrastructure Automation
- DevOps & CI/CD Practices
- Disaster Recovery & Backup Solutions