Specialist SRE

• Nov 2021 - Present

- Infrastructure Operations and cloud automation (GCP) through Terraform - CI/CD automation through BitBucket pipeline, Nexus repository management - Working on Kubernetes cloud environment (GKE), and GKE autopilot and GKE standard cluster - Technical support for Data Engineering team (Tableau setup and operational support) - Production support, troubleshooting, DataDog monitoring - Infrastructure Operations and cloud automation (GCP) through Terraform - CI/CD automation through BitBucket pipeline, Nexus repository management - Working on Kubernetes cloud environment (GKE), and GKE autopilot and GKE standard cluster - Technical support for Data Engineering team (Tableau setup and operational support) - Production support, troubleshooting, DataDog monitoring

Senior DevOps Engineer - R & D Cloud and Infrastructure

• Feb 2020 - Oct 2021

Key responsibilities: - Azure Postgres centralized database implementation, dashboard, metrics and alerting solutions for production systems.- Administration and manage PostgreSQL database- Working on docker containerized systems and administration- Working with GIT repository management, JIRA ticketing management tools.- PostgreSQL database monitoring tool integration PgAdmin, PGHero- Kafka and RabbitMQ deployment- Bash scripting and Python programming- Working on Automation tools Terraform on Azure cloud environment- Monitoring tool integration to various deployment such as Zabbix, Grafana for system monitoring. ELK stack with Metric beat, File beat implementation for PostgreSQL, RabbitMQ, OmniSci database monitoring Show less

DevOps Engineer

• Feb 2020 - May 2020

Lead Systems Support Engineer

• Dec 2018 - Feb 2020

Key responsibilities: - Level 2 support and Level 3 for application issues related. - Directly involve the client queries and provide the fix/ workaround solutions. - Disaster recovery invocation, Business Continuity incident involvement. - Real-time system monitoring through LSEG applications. - Verify and perform a various systems health check for LSEG application systems and connectivity with 3rd party applications - SCILA surveillance system, DMS system, RiskGateway systems,tpView systems. - Coordinate with tp ICAP clients and LSEG application development team. - Skill- multitasking environment according to the business requirement. Projects/Products contribution - tpICAP / Tullett Prebon - tpView system Show less

Lead Systems Support Engineer

• Apr 2018 - Feb 2020

Responsibilities: - Level 2 support and Level 3 for application issues related to network, database (Oracle), operating system (Red-hat and Suse Linux) and web server (WebLogic and Tomcat) - Manage and deploy LSEG propitiatory application on AWS cloud infrastructure for non-production systems. - The first line of support for client queries and production/ non-production incidents. - Discussion with various stakeholders (internal and external clients) to identify operational requirements and document the requirements. - Managing issues, provide an update, help identified the root cause of the issues and participating client conference call. - Provide technical support for the development team to resolve functional and technical issues that are encounter in production and non-production systems. - Follow the incident management procedures for production issues and provide solutions by complying with service level agreement. - Developing and managing shell scripts for various requirements for production/ non-production systems. - Taking ownership of technical issues and working with our development team to resolve more complex issues when necessary. - 24/7 production system support and on-call support for during the trading and non-trading hours. - Production system monitoring and auditing during trading hours (Control-M, JIRA Incident, Confluence). - Business Continuity Plan/Disaster Recovery incident involvement. - Responsible for Problem Management within the operational team and work with Incident, Problems and Knowledgebase article (KEDB) management area. - On call and roster basis work according to the business requirement. Projects/Products contribution - London Stock Exchange - Turquoise Exchange - Borsa Italiana Exchange - Oslo Borsa/ Euro TLXExchange - MIT Clearing system (New Clear application) - Incident management - TradeEcho/SOLA Derivative Systems - Incident management Show less

Senior Systems Support Engineer

• Apr 2015 - Jun 2017

Key responsibilities: - OS level configuration/ parameters according to deployment guide.- Perform base-line testing on application servers to ensure that they meet application performance requirements.- Carryout performance testing to verify that Millennium Trading System performs as expected and that it is in line with the projects service level agreements.- Participate in Change Requirement (CR) discussion to provide high level effort estimation for performance testing. - Prepare application for functional and operational testing. - Troubleshooting environment issues related to http, vsftp, sftp, web logic service deployment.- Team representative for the Business Continuity Planning forum. As part of this forum got involved in providing input for managing environment during disaster recovery. Further participated in disaster recovery testing.Projects/Products contribution- London Stock Exchange- Turquoise Exchange - Borsa Italiana Exchange - Oslo Borsa Exchange - Euro TLX Exchange Show less

Systems Support Engineer

• Dec 2012 - Apr 2015

Key responsibilities: - Application environment management and release integration.- Troubleshoot issues which occur during the integration process and escalate failures.- Prepare application for functional and operational testing. - Execute smoke test and prepare report with test case status.- Initial plan for release package and delivery with the team.- Automation of change controls using SQL, PL SQL and Shell scripts such as Bash and Perl script languages.- Release packaging, installation testing, verification, instruction documentation, operational document and delivery.Projects/Products contribution- London Stock Exchange- Turquoise Exchange - Borsa Italiana Exchange - Oslo Borsa Exchange - Euro TLX Exchange- London Metal Exchange Show less

Associate Systems Support Engineer

• Sep 2011 - Dec 2012

Key responsibilities: - Troubleshooting environment issues related to http, vsftp, sftp, web logic service deployment.- Execute smoke test and prepare report with test case status.- Technical support for the internal Development, Business Analysis, Project management and Quality Assurance team.- Client release packaging and verification. - Linux administration task for internal systems - Linux user creations, environment issue resolve, Oracle database table management, Oracle listener control management. - Release documentation preparation. - Test cases execution for MIT application - Verifix, Internal Test Tool and Release management tools. Show less

Solutions Developer - VoIP

• Sep 2008 - Sep 2011

Key responsibilities: - Developing IP base - Asterisk PABX solutions on RedHat / CENTOS Linux. - Hands on experience in PHP programming, JQuery javascripts, MySQL database, Asterisk Gateway Interface (AGI), Dial Plan application programming. - Supporting, upgrading installation and maintaining VoIP systems configuring IP phones, ATA box and FXO FXS voice gateways. - Configuring PRI E1/BRI links using Digium and Sangoma Hardware components. - worked integrated solutions IP pabx and analog pbx. - Cooperate client training and UAT demonstrate. - Configure and maintain Oreka call recording system. - Hylafax Email - Fax / Fax - Email solutions. Clients: - Ceylon Steel Cooperation (Pvt) Ltd. - Secondary Educational Moderator Project at University of Moratuwa. - Etisalat Lanka (Pvt) Ltd. - Amana Takaful Insurance. Show less

Assistant System Administrator

• Mar 2008 - Sep 2008

Key responsibilities: - In house user support and Proprietary application support. - Internal network management (IPCop firewall, Squid proxy, NAT gateway) - Windows server support (Win 2000/2003 server - OS installation and server management). - Linux administration (Redhat/Fedora - OS installation, user application installation on top of wine) - Samba/NFS server management and maintenance. - Computer hardware maintenance. - Internal CCTV system maintenance. - System backup management. Show less

Computer Support Technician

• Feb 2005 - Dec 2005

Key responsibilities: - Technical client support role - Logged client queries and attend to job immediately. - Remote technical support. - Computer hardware solutions. - Cooperate network cabling and management (CAT5-6/patch panel installation) - Provide technical training for the clients. Key responsibilities: - Technical client support role - Logged client queries and attend to job immediately. - Remote technical support. - Computer hardware solutions. - Cooperate network cabling and management (CAT5-6/patch panel installation) - Provide technical training for the clients.