Udayanga Sandaruwan

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I am a skilled IT professional

With a solid background in network infrastructure, hardware troubleshooting, and data center operations, I bring valuable IT skills to any project. My experience includes diagnostics, hardware deployment, and maintaining high-availability systems. I excel at collaborating with teams, ensuring projects are completed on time, and adhering to strict safety and quality standards. I'm also passionate about technology, with hands-on skills in Python and Arduino, and a keen interest in electronic systems.

Technical Skills

  • Network Room / Server Room Maintenance
  • Network Implementation & Hardware Deployment
  • Troubleshooting & Diagnostics (Network & Hardware)
  • Network Monitoring & Management (NMS)
  • Operating Systems: Windows Server, Windows, Linux, macOS
  • Technical Documentation & Reporting
  • Scripting & Automation: Python, Shell Scripting
  • Project management experience
  • IT Technical Support experience
  • Microsoft 365 Administration & Azure Services
  • HTML, CSS and JavaScript
  • Python, Arduino
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Soft Skills

  • Team Player
  • Adaptability
  • Creativity
  • Communication
  • Analytical Problem Solving
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Work Experience

Freelance Field Engineer

Freelance

(Oct 2023 - Present)

I provide on-site technical support and field operations for a variety of IT infrastructure projects, covering everything from network hardware to system and user setups.

  • On-site support for rack mounting, cable connections, and configuration of servers, routers, switches, SD-WAN nodes, firewalls, and Wi-Fi systems.
  • System migration, reimaging, configuring Active Directory, Microsoft 365, and SAP, and setting up user environments.
  • Key projects:
    • Tesla Center, Turku
    • Firstbeat Analytics Oy, Jyväskylä
    • DS Smith, Tampere
    • Telia, Tampere
    • Calderys in Vantaa and Lempäälä

Network Senior Assistant Engineer

SLTMobitel

(Jan 2019 to Sep 2023)

I maintained core network infrastructure, managed servers and devices, handled fiber optics, used NMS/OSS tools, and led network teams to achieve key results.

  • Maintained core/edge routers, CEAs, OLTs, and national backbone infrastructure.
  • Conducted server maintenance, upgrades, and reimaging to ensure performance and reliability.
  • Installed and configured L2 switches and L3 routers; resolved physical faults on network devices.
  • Performed fusion splicing, ODF termination, and OTDR testing for fault isolation and service delivery.
  • Used NMS tools (iMaster NCE, 5620 SAM, 5520 AMS, NetNumen) and OSS/BSS systems (Clarity) for provisioning and issue tracking.
  • Coordinated FTTx and i-Sri Lanka projects, ensuring timely and standard-compliant deployments.
  • Maintaining the ISO standard on Network.
  • Managing Transmission/ Switching/Power teams.
  • Team Achievements:
    • Best Network Operation Performance - 2022
    • 100% Achievement - Fiber Sales Campaign 2021
    • Customer Service Week Winner - 2019

IPTV Network Assistant Engineer

SLTMobitel

(May 2014 to Jan 2019)

I've supported IPTV service delivery by maintaining head-end equipment and ensuring smooth operation, and I've also assisted with IP network provisioning and troubleshooting to help deliver reliable services.

IPTV Network & Service Delivery - IPTV head-end Operations :

  • Maintained and supported IPTV infrastructure including satellite IRDs, video encoders, core switches, and storage servers (Dell, IBM).
  • Performed software upgrades, patch management, and regular server maintenance.
  • Responded to network alerts and incidents to ensure uninterrupted service delivery.
  • Provided 24/7 technical support via on-call rotations and guided junior NOC staff.
  • Generated utilization and availability reports for performance monitoring.

IP Network Provisioning - Technical Support

  • Configured and troubleshot L2/L3 VPNs, SIP, ILL/BIL services, and routing protocols (OSPF, EIGRP, BGP, HSRP, VRRP).
  • Monitored network performance using NMS tools and resolved connectivity issues.
  • Collaborated with NOC, project, and regional teams for efficient service fulfilment.
  • Maintained documentation for network configs and supported 24/7 operations via on-call duty.

Technical Officer - Airtel Manage Service

GTL Infrastructure Ltd (Sri Lanka)

(May 2013 - May 2014)

I've been involved in the hands-on maintenance and testing of telecom sites, ensuring everything from power to RF performance is in good shape, and I handle the related reporting and software tools.

  • Conduct Preventive Maintenance Service/ Pre-Monsoon Testing/ Battery Testing/ Earth Resistance Testing/ VSWR testing/ BTS RF power testing.
  • Manage Service activity Report handling.
  • Handling Site Master (Agilent), Earth resistance Tester (Megger), E1 Tester (BERT).
  • Handling U2000, PNMT, Web LCT(RTN), LMT, SMT, control software.
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Education

BSc (Hons) Computer Networks

University of Wolverhampton, United Kingdom.

Graduated : 2022.07.27

First class Honors

Publication : Digital Broadcast Service Quality Ensuring and Fault Alerting System for Master Control Rooms.

National Diploma in Engineering Sciences (NDES)

Institute of Engineering Technology, Sri Lanka

Graduated : 2013.01.31

Electronic and Electrical

Publication : Intelligent Fan Controller with Temperature and Occupancy Sensing for Energy Efficiency.

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