SAGAR JOSHI
Linux Admin
Dehradun,UK
Summary
Results-driven DevOps and Linux professional with over seven years of experience in cloud infrastructure, automation, and production support. Holds certifications as an AWS Solutions Architect and Red Hat Engineer (RHCE, RHCSA), with expertise in Kubernetes, Docker, CI/CD pipelines, observability tools, and large-scale Linux administration. Demonstrates the ability to optimize systems for high availability while ensuring seamless end-to-end deployments across on-premises and cloud environments. Dedicated to leveraging technical expertise to enhance operational efficiency and support organizational goals.
Overview
8
8
years of professional experience
2
2
Certifications
Work History
Sr. Linux/DevOps Engineer
Capgemini India Pvt Ltd
07.2024 - Current
- Manage and support Collibra DQ across DEV, QA, and Production, ensuring high availability and performance.
- Implement backup strategies, administer Cassandra, SQL, and PostgreSQL databases, and resolve global client issues via Zendesk.
- Monitor application health and optimize resources using Grafana, Prometheus, and the ELK Stack.
- Improved code deployment efficiency by automating processes with CI/CD pipelines.
- Designed and implemented containerization strategies using Docker and Kubernetes, improving resource utilization and management.
- Maintained version control systems like Git or SVN for seamless collaboration among developers and engineers during project lifecycles.
Senior DevOps Engineer
Taranto
07.2023 - 03.2024
- Led production deployments on Linux infrastructure and self-hosted Kubernetes clusters.
- Designed and maintained CI/CD pipelines, Helm deployments, and Kafka event monitoring for microservices.
Sr. Software Engineer – Linux Delivery & Dev Infra
Prodapt Solutions (Virgin Media Project)
03.2022 - 04.2023
- Automated server management with Ansible playbooks and custom scripts.
- Deployed and maintained Linux servers across on-prem and cloud, ensuring 24×7 monitoring and zero-downtime upgrades.
Executive, Application & Embedded
Bharti Airtel
05.2021 - 02.2022
- Optimized network performance using advanced Linux tools, Docker, and shell scripting.
- Maintained and secured Linux-based network infrastructure with proactive monitoring (Nagios, Netcool).
Project Maintenance Engineer
Javi System India Pvt Ltd (Indian Airforce Project)
05.2019 - 04.2021
- Administered Javi NMS server for SATCOM monitoring and performed Linux-based troubleshooting to ensure mission-critical connectivity.
Network Engineer
CMS IT Services (IndiGo Airlines Project)
05.2018 - 05.2019
- Designed and maintained network infrastructure, including routers, firewalls, and servers, ensuring high performance and security.
- Monitored network capacity and performance to diagnose and resolve complex network problems.
- Provided network support services for devices such as hubs, bridges, routers, and other hardware.
Education
B.Sc. - Computer Science
Graphic Era Hill University
Dehradun01.2017
Skills
Cloud and DevOps expertise
Monitoring and observability tools
Linux systems administration
Virtualization and automation expertise
Certification
AWS Certified Solutions Architect – Associate
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
Sr. Linux/DevOps Engineer
Capgemini India Pvt Ltd
07.2024 - Current
Senior DevOps Engineer
Taranto
07.2023 - 03.2024
Sr. Software Engineer – Linux Delivery & Dev Infra
Prodapt Solutions (Virgin Media Project)
03.2022 - 04.2023
Executive, Application & Embedded
Bharti Airtel
05.2021 - 02.2022
Project Maintenance Engineer
Javi System India Pvt Ltd (Indian Airforce Project)
05.2019 - 04.2021
Network Engineer
CMS IT Services (IndiGo Airlines Project)
05.2018 - 05.2019
B.Sc. - Computer Science
Graphic Era Hill University