Tharaka Jayasinghe Email & Phone Number

Adelaide, Australia

• Data Center Migration & Modernisation.• SDN Technology Adoption.• Technical Solution Design (HLD / LLD).• Migration & Implementation Planning.• Implementation Governance.• Technical SME.

Adelaide, Australia

• Design solutions in line with customer requirements and objectives.• Develop quotes and proposals incorporating high level designs and appropriate costings.• Provide technical leadership and oversight for detailed designs and implementations.• Provide advice and input to any proposals as needed within the Pre-Sales team.• Strengthen customer relationships and participate in customer workshops and pipeline planning.• Contribute to the development of templates and processes for the end-to-end lifecycle of project delivery.

Adelaide, Australia

• Design solutions in line with customer requirements and objectives.• Develop quotes and proposals incorporating high level designs and appropriate costings.• Provide technical leadership and oversight for detailed designs and implementations.• Provide advice and input to any proposals as needed within the Pre-Sales team.• Strengthen customer relationships and participate in customer workshops and pipeline planning.• Contribute to the development of templates and processes for the end-to-end lifecycle of project delivery.

• Implementation of moderate to complex NEC customer network changes in line with agreed Service Level Agreements.• Completion of complex low level design documentation on customer solutions.• Consultation with customers to determine the complete requirements of requested network redesigns.• Provide input to the Design Authority Office (DAO) on proposed network designs.• Mentoring of junior engineers within the Network Operations Team.• Active participation in the network teams internal technical sessions.• Commitment to maintaining and continual enhancement of engineering skill set.• Setting an example of professionalism and behaviour to Junior Network Engineers.• Completion of all work in line with relevant NEC processes and procedures.• Building and maintaining effective and collaborative working relationships with all relevant NEC staff members and NEC customers.• Maintenance of customer network documentation, ensuring storage in relevant documentation library.• Assisting the DTAC team with incident resolution as required.• Performing all work with a focus on providing the best possible customer outcome.• Escalation of all identified negative customer experiences to the relevant Service and Account Delivery Managers.• Be an open, inclusive and collaborative member of the network team and greater NEC organisation.• Provide onsite assistance and support to customers and field staff in the resolution of system and application type faults as required.• Provide technical documentation and reporting as required.• Work with other technical personnel from NEC and its strategic partners to deliver an integrated support solution to customers.• Analyse network traffic data and provide recommendations on performance improvements to network infrastructures as required.

• Performing operations, maintenance, implementation, migration, optimisation and troubleshooting tasks in Hostworks Network which consists of Hostworks Shared Network Infrastructure, Managed Services Customer Networks and Disaster Recovery Networks.• Ensuring secure operation of Hostworks Network. • Incident response and Management: Responding to work requests scheduled via Job System, Coordinating with customers regarding work activities and job updates, Receiving network monitoring updates for Hostworks Network and action those relating to network outages or performance issues, Participating in on-call roster and Recording activity in job or timesheet system.• Performing Lead Network Engineer duties for key client accounts.• Network solution design.• Providing time or job estimates as input into pre-sales process.• Providing pre-sales design support services to pre-sales teams.

Adelaide, Australia

• Performing network security compliance audits of Data, Voice and Wireless networks and providing audit reports and implementing best practice recommendations.• Providing network design, deployment, troubleshooting and support services, either remotely or on-site, to clients, covering a range of Network Security, VPN, Routing, Switching, Voice and Wireless technologies.• Incident response and Management: Responding to work requests scheduled via Business Manager and Job System, Coordinating with customers regarding work activities and job updates, Receiving network monitoring updates for managed services customers and action those relating to network outages or performance issues, Participating in on-call roster, Recording activity in job or timesheet system• Maintaining Network Management, Monitoring and backup systems for managed services customers.• Implementing Network Management and Monitoring systems for client network environments.• Handling distributor/customer coordination related to Vendor Hardware delivery.• Providing time or job estimates as input into pre-sales process• Providing pre-sales design support

• Operations lead of ISP Core Network (Jan 2010 - Oct 2011) and Enterprise MPLS Core & Layer 2 Access Network (April 2009 - Jan 2010).• Performing operations, maintenance, optimisation and troubleshooting tasks in Dialog IP Core Network, which consists of ISP Core Network, Enterprise MPLS Core & Layer 2 Access Network, NGN MPLS Core Network, Network Security Infrastructure & Service LAN.• Performing higher level configurations in the IP Core Network systems: Implementing Virtual Private Networks, rules and policies, BGP and VRF configurations, etc.• Implementing initial system configuration/acceptance procedures/guidelines/standards and carrying out new implementations in accordance with the same. • Access control & server administration: TACACS+ AAA server administration, Web filtering, caching and access authentication proxy server (Bluecoat) administration, Jump server and shared (samba) server administration.• Ensuring the Continuity of Operations of IP Core Network: Ensuring the adherence to promised Service Level Agreements (SLAs), back up and spare management of network systems, network/system redundancy management and performing routine maintenance checks to ensure the physical security of systems/sites.• Incident response and management: Performing 2nd level incident response tasks, managing the 1st level incident response teams - 24x7 IP Network Operation Center (IP NOC), performing IP Core Network Management System implementation and maintenance tasks, handling 3rd level incident escalations (Coordinating with vendor Technical Assistance Centers), performing Resident/On-call Engineer duties and managing the IP Core Network On-call Roster and training the 1st level incident response teams.