I am an experienced Network Engineer with 7+ years of experience in networking, specializing in:
✔ Aruba Wireless & Aruba Central
✔ Routing & Switching
✔ Network Security
✔ Campus LAN/WLAN Deployment
✔ Troubleshooting & Daily Operations Support
Currently working in Saudi Arabia and actively looking for new opportunities in KSA.
I hold professional certifications in Cisco and Aruba networking and have strong hands-on experience in enterprise environments.
If there are any suitable openings, please feel free to contact me. I am available for immediate interview.
CV available upon request
Location: Saudi Arabia
Contact: 0573786893
Email: [email protected]
Thank you.
--- CV ---
ANNAMALAI THANASINGU
NETWORK ENGINEER – WIRED & WIRELESS
Riyadh, Saudi Arabia | +966 573786893 | [email protected]
Nationality: Indian
PROFESSIONAL SUMMARY
Network Engineer with 8+ years of hands-on experience in wired and wireless networking, LAN/WAN/WLAN, ELV & ICT systems, and
large-scale infrastructure projects across Saudi Arabia, Qatar, and India. Strong expertise in Aruba and Cisco technologies, network
design, deployment, troubleshooting, IP addressing, routing & switching, wireless optimization, and IoT integration. Proven ability to
support enterprise and mission-critical environments with high reliability and performance.
CORE TECHNICAL SKILLS
• Wired & Wireless Network • LAN / WLAN Architecture
• Aruba Switching & Wireless (Aruba-OS 8, AOS-10) • Cisco Routing & Switching
• Aruba central-Cloud • Wireless Design and Heat-map
• Routing Protocols: OSPF, BGP, EIGRP, • IP Addressing, Subnetting & Capacity Planning
• RF Engineering • Network Monitoring — Aruba Central (Cloud)
• Aruba Airwave • IoT Network Integration
• Aruba Clearpass Solution • Network Documentation & Inventory Management
PROFESSIONAL EXPERIENCE
Wireless Network Engineer • I3S Solutions, Riyadh Jan 2026 – Present
• Design, implement, and troubleshoot enterprise-grade Aruba wireless networks, ensuring reliable connectivity, optimal RF coverage,
capacity, and high performance.
• Deploy, configure, and manage Aruba Wi-Fi Access Points, Aruba CX switches, and Mobility Controllers across multi-site enterprise
environments.
• Perform wireless pre-site surveys, predictive RF designs, heat-map analysis, and post-deployment validation using professional wireless
planning and survey tools such as Ekahau.
• Perform RF optimization and tuning by analyzing channel utilization, co-channel interference, adjacent-channel interference, noise levels,
SNR, RSSI, and client distribution.
• Optimize 2.4 GHz and 5 GHz radio parameters, including channel allocation, channel width, transmit power, minimum data rates, and radio
profiles to improve wireless performance and user experience.
• Troubleshoot client connectivity, authentication, roaming, DHCP, DNS, and performance-related issues using Aruba Central, controller logs,
client health metrics, and packet-level analysis.
• Monitor and optimize wireless client experience, RF health, AP performance, channel utilization, and network capacity using Aruba Central
and enterprise monitoring platforms.
• Troubleshoot 802.1X and wireless authentication issues integrated with NAC solutions such as Aruba ClearPass, including RADIUS
authentication, role assignment, and policy enforcement.
• Perform AP placement and coverage optimization, validating RSSI, SNR, coverage gaps, and client experience before and after
implementation.
• Manage and troubleshoot high-density wireless environments, balancing coverage and capacity to support increasing numbers of concurrent
clients.
• Plan and execute firmware upgrades, wireless optimization, configuration changes, and lifecycle activities while maintaining network stability
and minimizing service disruption.
• Conduct post-implementation wireless health checks and performance analysis, documenting before-and-after RF metrics and
recommending further optimization.
Network Engineer • Mannai Trading Co. WLL, Doha Oct 2019 – Dec 2025
• Managed network installations and large-scale infrastructure expansions for high-profile projects.
• Configured Aruba switches, routers, Wi-Fi access points.
• Performed L2/L3 switching configuration and advanced troubleshooting.
• Implemented and optimized dynamic routing protocols (OSPF, BGP, EIGRP).
• Designed and deployed enterprise-wide wireless networks.
• Hands-on experience with Aruba Central for managing enterprise wireless networks.
• Performed firmware upgrades, configuration backups, and template-based provisioning.
• Maintained precise hardware/software inventory and network HLD and LLD documentation.
• Troubleshot client connectivity issues using AI Insights and event logs in Aruba Central.
• Integrated Aruba Central with external authentication systems (RADIUS/TACACS).
• Integrated with Aruba Clear-pass for AAA services.
• Experience in site survey basics and AP placement for optimal coverage.
KEY PROJECTS
• Doha Metro Major Station – Qatar Rail • Hamad International Airport Expansion
• Ministry of Justice – Qatar • Vodafone MV2 & QSTP
• Qatar Foundation • The View Hospital
• Al Ahli Hospital • Military Hospital
• Al Meera Network Refresh Project
PROFESSIONAL EXPERIENCE (CONTINUED)
ELV Supervisor • Consolidated Contracting Company, Doha Oct 2017
