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Rajat Singh

Sr. DevOps Engineer | Tech Blogger | Cloud & DevSecOps Enthusiast | Docker • Kubernetes • Terraform • CI/CD • GitOps • Helm • Istio • Vault • Consul • Nomad • IAM • MFA • Cloud Migration • Observability • Okta • Linux 🚀

Delhi

6+ years of work experience

HashiCorp
Jun 20251 yr 3 mosPresent

Hybrid

EPAM Systems
Nov 20247 mosMay 2025

Pune District, Maharashtra, India

∘ Designed and implemented scalable cloud-based infrastructure using AWS, Kubernetes, and Docker for hosting high-performance applications. ∘ Spearheaded the implementation of CI/CD pipelines, reducing deployment times by 30% and increasing release frequency by 50%. ∘ Utilized Terraform for infrastructure provisioning and configuration management, reducing manual intervention by 80%. ∘ Automated monitoring and alerting using Prometheus and Grafana, ensuring 99.99% uptime for critical applications. ∘ Worked closely with software engineering teams to automate testing and deployment processes, integrating with Jenkins and CodeDeploy. ∘ Managed CyberArk security tool & encouraged the use for PAM solutions, webapp applications & automating manual processes related with CyberArk.
Tata Consultancy Services
Mar 20222 yrs 8 mosOct 2024

Mumbai, Maharashtra, India

∘ Optimized deployment processes by automating freestyle Jenkins jobs as declarative pipelines, reducing deployment time by 50% and eliminating manual errors. ∘ Configured the migration strategy for moving microservices from ECS to EKS. ∘ Defined lifecycle rules for S3 buckets, resulting in a 40% reduction in storage costs. ∘ Integrated Ansible into the project, resulting in an efficient automated process for OS patching. ∘ Created and maintained Ansible playbooks to automate system configuration, deployment, and patch management across Linux and Windows environments. ∘ Managed Kubernetes clusters for microservices-based applications, deploying and scaling applications with Helmsman and Istio for service mesh management. ∘ Ensured reliable website/application access with scalable DNS management, configuring 500+ DNS records.
Wipro
Oct 20192 yrs 6 mosMar 2022

Bengaluru, Karnataka, India

∘ Discovered the world of Microservices, APIs, Jenkins, Linux, and SDLC lifecycle. ∘ Architected and executed scalable cloud infrastructure on AWS, leveraging ASGs and spot instances, leading to a 35% decrease in expenses while maintaining high availability. ∘ Learned SDLC of an enterprise application, gaining insight into the process from design to production. ∘ Engineered Terraform configurations to automate infrastructure deployment on AWS, decreasing server provisioning time by 50% and enabling rapid scalability. ∘ Designed, built, and optimized container orchestration with Docker Swarm. ∘ Engaged in sprint planning and stand-up meetings, adhering to Agile practices for efficient project management.

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Headline

Sr. DevOps Engineer | Tech Blogger | Cloud & DevSecOps Enthusiast | Docker • Kubernetes • Terraform • CI/CD • GitOps • Helm • Istio • Vault • Consul • Nomad • IAM • MFA • Cloud Migration • Observability • Okta • Linux 🚀

About

DevOps Engineer having success in delivering software solutions on cloud. A rare unification of proficiency in both application and infrastructure engineering. My expertise is in .... 1. Devops / SRE / Platform Engineering ---------------- 1.1 Setup cloud-native CI / CD Setup 1.2 Setup monitoring and developer productivity tools 1.3 Setup and manage PAM solution CyberArk 2. Infrastructure / Cloud Engineering ---------------- 2.1 Terraform modules for scalable apps & services in AWS 2.2 EKS Setup 3. Configuration Management ---------------- 3.1 Patching process through Ansible and AWS Playbooks Certifications ---------------- 1. Amazon Web Services Cloud Practitioner ( 2022 ) 2. AWS Partner Certifications ( 2022 ) 3. HashiCorp Certified: Consul Associate (003) (2025) Get In Touch ------------- Blog : https://medium.com/@rajat41997 GitHub : https://github.com/rajatsingh004/ X: https://x.com/rajat004singh

Location

Delhi

AI stack

antigravity

codex

opencode

Work experience

Engineer at HashiCorp, Jun 2025 - Present · 1 yr 3 mos, Hybrid

Senior Devops Engineer at EPAM Systems, Nov 2024 - May 2025 · 7 mos, Pune District, Maharashtra, India, ∘ Designed and implemented scalable cloud-based infrastructure using AWS, Kubernetes, and Docker for hosting high-performance applications. ∘ Spearheaded the implementation of CI/CD pipelines, reducing deployment times by 30% and increasing release frequency by 50%. ∘ Utilized Terraform for infrastructure provisioning and configuration management, reducing manual intervention by 80%. ∘ Automated monitoring and alerting using Prometheus and Grafana, ensuring 99.99% uptime for critical applications. ∘ Worked closely with software engineering teams to automate testing and deployment processes, integrating with Jenkins and CodeDeploy. ∘ Managed CyberArk security tool & encouraged the use for PAM solutions, webapp applications & automating manual processes related with CyberArk.

DevOps Specialist at Tata Consultancy Services, Mar 2022 - Oct 2024 · 2 yrs 8 mos, Mumbai, Maharashtra, India, ∘ Optimized deployment processes by automating freestyle Jenkins jobs as declarative pipelines, reducing deployment time by 50% and eliminating manual errors. ∘ Configured the migration strategy for moving microservices from ECS to EKS. ∘ Defined lifecycle rules for S3 buckets, resulting in a 40% reduction in storage costs. ∘ Integrated Ansible into the project, resulting in an efficient automated process for OS patching. ∘ Created and maintained Ansible playbooks to automate system configuration, deployment, and patch management across Linux and Windows environments. ∘ Managed Kubernetes clusters for microservices-based applications, deploying and scaling applications with Helmsman and Istio for service mesh management. ∘ Ensured reliable website/application access with scalable DNS management, configuring 500+ DNS records.

DevOps Engineer at Wipro, Oct 2019 - Mar 2022 · 2 yrs 6 mos, Bengaluru, Karnataka, India, ∘ Discovered the world of Microservices, APIs, Jenkins, Linux, and SDLC lifecycle. ∘ Architected and executed scalable cloud infrastructure on AWS, leveraging ASGs and spot instances, leading to a 35% decrease in expenses while maintaining high availability. ∘ Learned SDLC of an enterprise application, gaining insight into the process from design to production. ∘ Engineered Terraform configurations to automate infrastructure deployment on AWS, decreasing server provisioning time by 50% and enabling rapid scalability. ∘ Designed, built, and optimized container orchestration with Docker Swarm. ∘ Engaged in sprint planning and stand-up meetings, adhering to Agile practices for efficient project management.