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Lahiru Udayanga Dewasurendra

Design
Kalutara, Sri Lanka

Skills

DevOps

About

LAHIRU UDAYANGA DEWASURENDRA's skills align with Consultants and Specialists (Information and Communication Technology). LAHIRU also has skills associated with Programmers (Information and Communication Technology). LAHIRU UDAYANGA DEWASURENDRA appears to be a low-to-mid level candidate, with 2 years of experience.
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Work Experience

System Engineer

MDO
September 2021 - February 2022
  • myDigitalOffice is an end-to-end hospitality information management platform for sourcing, processing, and storing hotel data in the cloud. [Sep 2021 -Feb 2022] • Working with Linux/Unix & Windows environment • AWS Configuration level Works (VPC, ECR, EC2, Load balancer, Route53, CloudWatch, CloudFormation) • Infrastructure audits and cost optimization • AWS Cloud computing monitoring & Automation Projects (Lambda - Python Language) implemented and created a Python script to send email notifications with all details, including server names, whenever AWS servers experience downtime, termination, or restoration. The script utilized AWS CloudWatch, Lambda, Python, Boto3, and SNS for this purpose. • Ansible Automation for configuration of Linux servers

Tech/DevOps Associate Engineer

Virtusa
March 2022 - Present
  • Virtusa Corporation is a global provider of Digital Business Transformation, Digital Engineering, and Information Technology (IT) outsourcing services that accelerate our clients' journey to their Digital Future [March 2022 - Present] GS Portal Application Support - BT (British Telecommunication) Project Business Propose: Provides 2nd level Application and Technical Support of ASG BT Products. Need to Support Application Deployments, application and other technical issues with customers and meeting SLA requirements. Responsible for customer ticket management, customer escalations and customer reporting. Working UK Time shift. Environment: Python, Oracle DB, Shell Script, Jenkins Responsibilities: Support to change request (CR) management activities and deploying Portlet/ SSO, microservices and WebLogic and Enterprise level applications in production servers. Mentation, Monitoring and Configuration Linux and Windows Servers prod, dev, test environments. Successfully planned and implemented essential infrastructure for seamless continuous delivery (CD) using Jenkins and Git version control. Collaborated closely with developers and QA teams to ensure the smooth execution of deployments. Maintaining 99.9% uptime for dependable services, oversee monitoring processes. Implement infrastructure-level critical vulnerability patches, conduct security-level patching, and execute upgrades across 100+ Linux servers, utilizing tools like Dynatrace and CheckMK Providing second-level support to customers, resolving technical issues and addressing error messages encountered in live production environments. Utilizing server log analysis to identify and debug issues and offer effective solutions or fixes. Experienced in using Oracle SQL to create simple and effective scripts for customer data requests. Automated day-to-day tasks using bash Shell scripting Handle reactive and proactive incidents using ServiceNow following agreed SLAs and diagnose and communicate incidents, as well as document the root cause of unplanned outages, and resolve problems while addressing user escalations. Providing on-call 24/7 support, actively participating in the monitoring and maintenance of server availability through check-in monitoring tools, with a commitment to ensuring uninterrupted and reliable services. EOSL Migration - GS Portal Project Business Propose: (EOSL) migration project: Migrated applications on over 100 Linux servers from RHEL 6 to RHEL 8 across two data centres. including development (dev), reference (ref), and production environments. This involves the full configuration of load balancers, NAS, and network connectivity among other servers.. Responsibilities: Configure and setup connectivity backend connectivity in servers Setup WebLogic, Apache, NAS, Mail, Redis Cluster, Postfix, SiteMinder configurations and Installations Configured Apache forward and reverse proxies for pre-sale and post-sale web servers, as well as Apache web server configurations Setup pulse secure load balancer configurations (Load balancers, Traffic managers) Vulnerability analysis managing patch updates for Linux servers (check Dynatrace) Project - Participated Deployed Java/Spring Boot apps with Docker, Jenkins CI/CD, Git, SonarQube for quality checks, Trivy for Docker image scans, and automated AWS ECR image pushing via Jenkins pipeline, including quality gate state checks. DECLARATION I certify that the above-mentioned details are true and accurate to the best of my knowledge Thank You. L.U Dewasurendra

Education

University of Sri Jayewardenepura

BSc.
January 2017 - January 2021