Travelling, Gym, Reading, Sports
Sagar Bajaj
DevOps Lead Engineer
Munich
Summary
With over 8 years of experience in the IT industry, I am a DevOps Tech Lead at Tata Consultancy Services, where I orchestrate seamless DevOps processes and leverage a wide spectrum of cutting-edge tools. I hold a M.Tech in Software Engineering from BITS Pilani and multiple Cloud and DevOps certifications from Udemy and LinkedIn Learning. Excellent reputation for resolving problems and improving customer satisfaction while following Agile way of working.
Overview
8
8
years of professional experience
7
7
years of post-secondary education
4
4
Certificates
Work History
DevOps Technical Lead
Tata Consultancy Services
Munich
11.2021 - Current
- Working as a Onsite DevOps Lead for a Major Semiconductor Manufacturer in Munich, Germany.
- Utilized Openshift extensively as the primary platform for managing our DevOps infrastructure. Orchestrated and maintained 370+ Jenkins instances deployed on Openshift clusters, overseeing 13,000+ slave nodes.
- Spearheaded the deployment of new SSH keys across our extensive DevOps infrastructure. Developed and implemented automation scripts to streamline this process, ensuring security and efficiency.
- Successfully led the migration of JFrog Artifactory Enterprise and licensed applications from on-premise servers to a private cloud network, leveraging Openshift for containerized deployment and management.
- Engineered Bash scripts to synchronize large volumes of data from on-premise NFS shares to Amazon S3 buckets, enhancing data availability and accessibility.
- Proactively monitored the health of Openshift clusters and Jenkins instances. Employed ELK (Elasticsearch, Logstash, Kibana) stack for centralized log management, with Kibana dashboards providing visual insights into system performance.
- Collaborated as an Agile team member to oversee core DevOps tools, empowering users to create and manage CI/CD pipelines. Provided support and guidance to users in leveraging these services effectively, promoting self-service pipeline creation and maintenance.
- Proficiently used Jenkins for orchestrating CI/CD processes, aligning with the job's requirement for these tools.
DevOps Lead Analyst
B24G
Bangalore
12.2020 - 11.2021
- Led a high-performing team of 5 DevOps Engineers as the DevOps Lead, fostering collaboration and ensuring seamless operations.
- Expertly configured and integrated key DevOps tools, including Jenkins CI/CD Pipelines, Gitlab, Artifactory, SonarQube, and the TCS SAST tool, from the ground up. These tools were harmoniously orchestrated to support our DevOps infrastructure.
- Designed and implemented a comprehensive monitoring solution, leveraging ELK (Elasticsearch, Logstash, Kibana) for log management. Additionally, incorporated Prometheus and Grafana to closely monitor CPU and memory utilization across our Jenkins instances, ensuring optimal performance.
- Successfully containerized all DevOps tools and employed Kubernetes as the orchestrator to efficiently manage these containers within clusters, enhancing scalability and resource utilization.
- Took on the role of administering all DevOps tools, ensuring their availability and reliability. Provided crucial support and guidance to the team in building a robust DevOps infrastructure for end users.
- Collaborated with various teams to tailor DevOps infrastructure solutions to their specific needs. Facilitated the onboarding of multiple teams onto these customized DevOps platforms, optimizing their workflows and productivity.
DevOps Engineer
Wipro Technologies
07.2015 - 12.2020
- Contributed my expertise and commitment during a 5.4-year tenure at Wipro Technologies.
- Successfully served diverse clients throughout this journey, prioritizing continuous learning and delivering the highest quality services tailored to each client's unique needs.
- Demonstrated proficiency in applying Agile development methodologies to design and implement robust Continuous Integration and Delivery (CI/CD) practices.
- Diligently monitored and managed the automated build and continuous software integration processes, swiftly addressing build/release failures to maintain a seamless development pipeline.
- Possessed expertise in an array of DevOps and Continuous Integration/Continuous Deployment (CI/CD) tools, including Jenkins, Maven, Ansible, Docker, JFrog Artifactory Repository, SonarQube, Docker Swarm, Docker Hub, and AWS EC2 Instances, among others.
- Proficiently maintained Git workflows utilizing Bitbucket version control, ensuring efficient collaboration and version tracking. Additionally, deployed applications to Apache Tomcat and production servers.
- Facilitated strong communication and collaboration with developers, managers, and team members, effectively coordinating job tasks and demonstrating a steadfast commitment to delivering exceptional results.
DevOps Consultant
Global Investment Swiss Bank
Pune
06.2020 - 12.2020
- Contributed to a project within the Banking, Financial Services, and Insurance (BFSI) domain, adopting an Agile methodology for efficient development.
- Spearheaded enhancements to the existing build creation process, introducing Pipeline-as-Code methodologies for the automated triggering of builds, specifically for Maven and node.js components within the project.
- Skillfully designed and implemented CI/CD pipelines by leveraging Jenkins and Groovy files, optimizing the software delivery process and ensuring continuous integration and deployment.
- Elevated customer satisfaction levels by proactively resolving all DevOps tool-related issues, catering to clients located in the United States, the United Kingdom, and Switzerland. This proactive approach ensured smooth operations and client contentment.
- Actively participated in cross-functional projects while operating in lean development environments, showcasing adaptability and a collaborative approach to problem-solving.
Senior DevOps Engineer
Swedish Multinational Networking And Telecom
Greater Noida
05.2019 - 05.2020
- Orchestrated seamless application deployments through the configuration of CI/CD pipelines utilizing Jenkins, Git, and other relevant tools. Ensured a streamlined and automated deployment process.
- Employed AWS EC2 instances to configure and manage the infrastructure, leveraging the scalability and flexibility of cloud computing to optimize infrastructure deployment and management.
- Demonstrated expertise by implementing Ansible playbooks for effective configuration management, facilitating the deployment of application WAR files to production servers. This automation bolstered consistency and reliability in deployment processes.
- Utilized SonarQube to rigorously assess and enhance code quality, ensuring that the application's codebase met stringent quality standards. This commitment to code quality contributed to a more robust software product.
- Actively engaged in Agile methodologies, Scrum practices, and backlog meetings, fostering collaboration and contributing to project success. Your involvement in these processes underscored your dedication to team efficiency and project progress.
Software Developer
Swedish Multinational Networking And Telecommunication Company
Bangalore
02.2016 - 04.2019
- Relocated to Bangalore, India, assuming a pivotal role as a core team member responsible for seamlessly transitioning an upcoming project from clients. Demonstrated commitment to project continuity and success.
- Proficiently handled high-level user stories and assumed comprehensive responsibility for the Jenkins application. This encompassed maintenance, rigorous testing, development, and deployment, ensuring the smooth operation of this critical tool.
- Utilized Docker and Docker Swarm to proficiently containerize the entire application. Employed Dockerfiles and Docker Compose files to streamline the containerization process, enhancing portability and scalability.
Education
M.Tech - Software Engineering
Birla Institute of Technology & Science
Pilani, Rajasthan 02.2016 - 12.2019
B.Sc(H) - Computer Science
Keshav Mahavidyalaya, University of Delhi
Delhi 07.2012 - 05.2015
Skills
Jenkins
Docker
Docker Swarm
CI/CD
Jfrog Artifactory Enterprise Plus
Git
Bitbuket, Github, Gitlab
Ansible
Kubernetes
Openshift
ELK
SonarQube
AWS EC2 and S3
Puppet
Scrum
Agile Methodology
Interests
Certification
DevOps Professional Certification
Timeline
DevOps Technical Lead
Tata Consultancy Services
11.2021 - Current
DevOps Lead Analyst
B24G
12.2020 - 11.2021
DevOps Consultant
Global Investment Swiss Bank
06.2020 - 12.2020
Senior DevOps Engineer
Swedish Multinational Networking And Telecom
05.2019 - 05.2020
M.Tech - Software Engineering
Birla Institute of Technology & Science
02.2016 - 12.2019
Software Developer
Swedish Multinational Networking And Telecommunication Company
02.2016 - 04.2019
DevOps Engineer
Wipro Technologies
07.2015 - 12.2020
B.Sc(H) - Computer Science
Keshav Mahavidyalaya, University of Delhi
07.2012 - 05.2015
Awards And Recogonitions
- Awarded with the prestigious Contextual Master Award from Tata Consultancy Services.
- Awarded with "on the spot" award at Wipro Technologies.