Preethi Balaguruvan
Belfast,United Kingdom
Summary
Experienced and certified DevOps Engineer with over 9.10 years of expertise in automation, cloud infrastructure, CI/CD, and containerization. Currently working in Belfast, UK with Synechron Technologies as a Lead DevOps Engineer for a global banking client (Citibank). Proven track record of managing teams, delivering secure and scalable solutions, and driving DevOps transformation in enterprise environments. Applied foundational AWS DevOps concepts in hybrid cloud environments to support scalable deployments and infrastructure monitoring.
Overview
10
10
years of professional experience
4
4
years of post-secondary education
1
1
Certification
Work history
Lead DevOps Engineer
Synechron Technologies (Client: CITIBANK)
Belfast, UK
2021.10 - 2026.01
- Leading a team of 6 engineers in delivering secure and scalable DevOps solutions.
- Driving CI/CD implementation and automation for on-prem and hybrid cloud infrastructure.
- Managing containerized environments using Docker and OpenShift.
- Collaborating with Citi’s infrastructure and development teams for process optimization.
- Implementing infrastructure-as-code using Terraform to manage AWS resources.
- Provisioned AWS infrastructure using Terraform for lab and staging environments (EC2, S3, VPC).
- Built CI/CD pipelines using Jenkins integrated with AWS CodePipeline and CodeBuild (proof-of-concept).
- Configured CloudWatch Alarms and Dashboards to monitor EC2 instance health and application metrics.
- Created IAM policies and roles to manage user access to AWS resources securely.
- Supported hybrid cloud deployment models, applying AWS DevOps best practices in parallel with on-prem tools.
- DevOps Engineer – UTIF Project
- Client: Citibank
DevOps engineer
Barclays Global Services
Bangalore, India
2021.03 - 2021.10
- Part of a 7-member DevOps team for Barclays' UTIF platform supporting trade post-processing.
- Developed CI/CD pipelines and integrated monitoring using ELK stack.
- Handled secure message encryption pipelines and trade queue processing.
Software Engineer
Temenos India Private Ltd.
Chennai
2016.07 - 2021.03
- Contributed to development and deployment of the Wealth Manager product for global banking clients.
- Designed automation scripts and deployment processes for client-specific features.
- Supported production releases and infrastructure migrations.
Education
Bachelor of Engineering - Computer Science and Engineering
Thiagarajar College of Engineering
Madurai, India 2012.08 - 2016.05
Skills
- AWS DevOps: EC2, S3, IAM, CloudWatch, CodePipeline, CodeBuild, CloudFormation (basic), Terraform (for AWS)
- Monitoring: Configured CloudWatch dashboards and alarms for EC2 and service health
- Cloud Platforms: AWS (Certified DevOps Professional), OpenShift
- IaC & Automation: Terraform
- Scripting capabilities: Bash shell scripting
- Version Control: Github, SVN, Bitbucket
- Platforms: Linux, UNIX, Windows
- Service & Documentation: ServiceNow, Confluence
- Security & IAM: Managed IAM roles/policies for EC2 and deployment pipelines
- DevOps Tools: Jenkins, Maven, Git, Bitbucket, JIRA, SonarQube
- Containers & Orchestration: Docker, Kubernetes
- Monitoring & Logging: ELK Stack
- CI/CD & Deployment: Jenkins, Urban Code Deploy(UCD), Tekton, Harness
- Middleware: Tomcat, Nginx
Certification
- AWS Certified DevOps Engineer – Professional
- Docker Certified Associate (DCA)
- DevOps Practitioner – Cognixia
LANGUAGES
English
Fluent
Tamil
Native
VISA STATUS
Currently in the UK on a Global Business Mobility – Senior or Specialist Worker Visa valid until April 2027. Actively seeking Skilled Worker visa sponsorship for long-term opportunities in the UK.
Timeline
Lead DevOps Engineer
Synechron Technologies (Client: CITIBANK)
2021.10 - 2026.01
DevOps engineer
Barclays Global Services
2021.03 - 2021.10
Software Engineer
Temenos India Private Ltd.
2016.07 - 2021.03
Bachelor of Engineering - Computer Science and Engineering
Thiagarajar College of Engineering
2012.08 - 2016.05