Sambit Mallick
Bangalore
Summary
Experienced Lead DevOps Engineer with 13.5 years of hands-on experience in designing, implementing, and maintaining scalable, automated infrastructure and CI/CD pipelines. Proven track record in leading cross-functional teams, optimizing cloud infrastructure, and automating deployment processes. Adept at fostering a culture of continuous improvement and collaboration to deliver high-quality software solutions.
Overview
13
13
years of professional experience
Work History
Staff Engineer - DevOps
Commonwealth Bank of Australia
Bangalore
12.2024 - Current
- Design, build, and maintain highly available and scalable CI/CD pipelines using GitHub Actions.
- Architect, deploy, and manage cloud-based infrastructure. (AWS, Azure, etc.)
- Develop monitoring, logging, and alerting solutions to ensure system reliability.
- Guide and mentor junior DevOps engineers, set best practices, and lead complex projects.
- Work closely with software developers, QA, and SRE teams to streamline development and deployment workflows.
Lead DevOps Engineer
Societe Generale
Bangalore
09.2021 - 12.2024
- Lead a team of DevOps engineers responsible for the automation of application deployment, configuration management, and system monitoring.
- Designed and implemented a CI/CD pipeline using Jenkins, GitHub Action, Docker, and Kubernetes, reducing deployment time by 50%.
- Migrated legacy applications to Azure, resulting in a 40% reduction in operational costs.
- Developed infrastructure-as-code (IaC) scripts using Terraform to automate the provisioning of resources.
- Collaborated with development and operations teams to implement a robust logging and monitoring solution using the ELK stack, improving system reliability.
- Played a key role in the adoption of microservices architecture, leading to more modular and scalable applications.
- Conducted regular security audits and implemented automated vulnerability scanning to ensure compliance with industry standards.
- Mentored junior DevOps engineers, providing guidance and training on best practices and new technologies.
Senior DevOps Engineer
British Telecom
Bangalore
12.2018 - 09.2021
- Automated the deployment process of web applications using Jenkins and Docker, reducing manual intervention by 70%.
- Implemented Kubernetes for container orchestration, achieving more efficient resource utilization and simplified scaling.
- Created and maintained Ansible playbooks for automated configuration management across multiple environments.
- Monitored application performance using ELK leading to a 30% reduction in response time.
- Coordinated with development teams to ensure smooth integration of new features into the CI/CD pipeline.
- Documented processes, workflows, and best practices to improve team efficiency and knowledge sharing.
Analyst
IHS Markit
Bangalore
04.2018 - 11.2018
- Built and maintained CI/CD pipelines for multiple projects, enabling faster and more reliable software releases.
- Developed automated scripts in Python and Bash to streamline operational tasks and reduce human error.
- Ensured system reliability and uptime by implementing proactive monitoring and alerting solutions.
- Worked closely with developers to troubleshoot and resolve issues in the development and production environments.
- Participated in daily stand-ups and sprint planning meetings, contributing to continuous improvement initiatives.
IT Analyst
Tata Consultancy Services
Bangalore
10.2011 - 04.2018
- Installing and configuring GoCD Server and Agent. Built CI/CD Pipeline using pipeline as code.
- Worked in SVN to manage source code.
- Worked in migrating source code from SVN to GIT.
- Wrote Ansible Playbook to automate file deployment and for configuration management.
- Setting up Windows Server for applications using Ansible playbook.
- Installed, configured, and managed monitoring tools like Elasticsearch, Kibana, and Logstash.
- Worked on Riverbed Load Balancer to manage inflow requests to a set of application servers.
- Involved in analyzing and fixing production-related issues.
- Collaborated closely with product development teams and other stakeholders, using effective communication and active listening skills.
Education
B Tech -
KIIT University
Bhubaneswar06-2011
Skills
- DevOps Tools: Jenkins, GitHub Action, Argo CD
- Cloud Platforms: Azure
- Containers & Orchestration: Docker, Kubernetes, Helm, Kustomize
- Programming & Scripting: Python, Bash, Groovy
- Configuration Management: Ansible
- Version Control: GitLab, GitHub, SVN
- Monitoring & Logging: Grafana, ELK Stack
- Networking: Load Balancers
- Security: Vulnerability Scanning- Nexus IQ, Sonarqube
- Databases: MSSQL, PostgreSQL
- Agile & Project Management: Scrum, Kanban, Jira, Confluence
Timeline
Staff Engineer - DevOps
Commonwealth Bank of Australia
12.2024 - Current
Lead DevOps Engineer
Societe Generale
09.2021 - 12.2024
Senior DevOps Engineer
British Telecom
12.2018 - 09.2021
Analyst
IHS Markit
04.2018 - 11.2018
IT Analyst
Tata Consultancy Services
10.2011 - 04.2018
B Tech -
KIIT University
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