SAGAYANATHAN ROSHAN
Associate Tech Lead -DevOps
Colombo
Summary
DevOps professional with over 5 years of experience in designing, implementing, and managing scalable infrastructure and CI/CD pipelines. Proven ability to lead cross-functional teams and drive DevOps best practices to enhance software development and deployment processes. Proficient in cloud platforms (AWS, Azure), containerization (Docker, Kubernetes), and automation tools (Terraform, Ansible) to streamline operations and reduce costs. Strong communicator with a passion for mentoring and developing high-performing teams, dedicated to fostering a culture of continuous improvement and innovation.
Overview
11
11
years of professional experience
Work History
Associate Technical Lead in Devops
Cloud Solutions International (Pvt)Ltd
Colombo, Colombo District
08.2023 - Current
- Provided technical leadership and guidance to junior team members.
- Coordinated with project managers and development teams to ensure smooth delivery.
- Contributed to the development of DevOps strategies and roadmaps.
- Evaluated and recommended new tools and technologies.
- Lead a team of DevOps engineers to develop and maintain scalable infrastructure solutions across multiple cloud providers
- Architected and implemented advanced CI/CD pipelines.
- Oversaw the transition to a microservices-based architecture, leveraging Docker and Kubernetes for containerization and orchestration.
- Collaborated closely with development and QA teams to integrate automated testing and monitoring into CI/CD workflows to reducing defect rates.
- Prepared and submitted detailed change requests to clients, including risk analysis, cost estimates, and implementation plans, ensuring alignment with business objectives and minimizing downtime.
- Conducted regular security assessments and implemented best practices for cloud and on-premises infrastructure, enhancing security posture and compliance.
Senior DevOps Engineer
Cloud Solutions International (Pvt)Ltd
09.2021 - 07.2023
- Implemented and maintained CI/CD pipelines for multiple projects.
- Automated Cloud infrastructure (AWS, Azure) provisioning using Terraform and Configuration management using Ansible to reducing setup time from days to hours...(EC2, EKS,S3,Lambda,EBS,EFS,VPC,Route53,Aws CodePipeline, Aws CodeBuild,CloudWatch,IAM-AKS,ACI,ACR,Azure Pipelines.Azure Policy)
- Developed and maintained automated deployment pipelines using Jenkins, Bitbucket, Gitea, Github and GitLab, integrating unit, integration, and performance testing using (SonarQube, Nexus, Liquibase, Docker,selenium)
- Managed and secured Kubernetes clusters using Istio for service mesh and traffic management, achieving zero downtime during deployments and enhanced microservice security.
- Implemented monitoring and logging solutions using Prometheus, Grafana, and ELK Stack, improving system observability and response times.
DevOps Engineer
Cloud Solutions International (Pvt)Ltd
01.2021 - 08.2021
- Assisted in the design and implementation of CI/CD pipelines to automate the deployment of applications to cloud environments.
- Designed and implemented containerization strategies using Docker and Kubernetes, improving resource utilization and management.
- Monitored automated build and continuous software integration process to drive build/release failure resolution.
- Developed and maintained scripts in Python and Bash for automating routine tasks and infrastructure management.
- Monitored system performance and implemented improvements to reduce downtime and enhance application reliability..
Infrastructure Network Engineer
Micronet Global Services (Pvt) Ltd
02.2018 - 12.2020
- Provided first-level and second-level network, server support as part of an outsourced team working for IBM World Trade Corporation.
- Supported IBM’s internal and client cloud and network infrastructure, including cloud services, on-premise servers, routers, switches, firewalls, and wireless devices.
IT Administrator
ACTIIVE TECH NETWORK (Pvt) Ltd
01.2016 - 01.2018
- Manage and maintain the company’s IT infrastructure, including servers, networks, and computer systems.
Customer Service Executive
ASIA MEDIA GLOBAL LTD
08.2013 - 07.2015
Education
BEng (Hons) in Computer Networking -
London Metropolitan University
London Metropolitan University 04.2001 -
International Diploma in IT -
Edhat
IDM Nations Campus 04.2001 -
Skills
Linux
Kubernetes
Ansible
Jenkins
Argo
Service Mesh
Harbor
Python
Docker
AWS
Jira
CI/CD pipeline
Terraform
Bash
Networking
Azure
Terraform
Certifications
- RED HAT CERTIFIED SYSTEM ADMINISTRATOR (RHCSA), Certificate ID No:190-066-977
- CERTIFIED KUBERNETES ADMINISTRATOR (CKA), Certificate ID No.:LF-mc92nnxqqw
- AWS Certified Solutions Architect - Associate, Certificate ID No: DEE87E918F44QJ3G
- RED HAT CERTIFIED ENGINEER (RHCE) - RED HAT
- CERTIFIED WINDOWS NETWORK ADMINISTRATOR (MCSA)
- CISCO CERTIFIED NETWORK ASSOCIATE ROUTING AND SWITCHING (CCNA)
Languages
English
Advanced
C1
Tamil
Proficient
C2
Sinhala
Intermediate
B1
Timeline
Associate Technical Lead in Devops
Cloud Solutions International (Pvt)Ltd
08.2023 - Current
Senior DevOps Engineer
Cloud Solutions International (Pvt)Ltd
09.2021 - 07.2023
DevOps Engineer
Cloud Solutions International (Pvt)Ltd
01.2021 - 08.2021
Infrastructure Network Engineer
Micronet Global Services (Pvt) Ltd
02.2018 - 12.2020
IT Administrator
ACTIIVE TECH NETWORK (Pvt) Ltd
01.2016 - 01.2018
Customer Service Executive
ASIA MEDIA GLOBAL LTD
08.2013 - 07.2015
BEng (Hons) in Computer Networking -
London Metropolitan University
04.2001 -
International Diploma in IT -
Edhat
04.2001 -
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