Joshua Yohannan
Senior Staff DevOps Engineer | Devops | DevSecOps | AWS | Kubernetes | Terraform | Jenkins | ArgoCD | Infrastructure Automation | CI/CD | AWS Cloud Cost Optimization | Linux | Python
Bengaluru
8+ years of work experience
Apr 20251 yr 5 mosPresent
Bengaluru
Built the DevOps practice from the ground up across 5 business verticals — establishing CI/CD standards, deployment pipelines,
infrastructure patterns, runbooks, and automation culture that scaled to support 200+ engineers.
Designed and maintained highly available Kubernetes environments for production and non-production workloads, supporting
99.9%+ uptime SLA across 200+ microservices.
Drove CI/CD adoption via Jenkins DSL pipeline and ArgoCD GitOps pipelines for Java, Python, and Node.js apps; introduced
GitOps for developer workflows, cutting mean deployment time by ~40%.
Architected and managed AWS infrastructure using Terraform IaC, delivering cost-optimised, secure, multi-AZ environments
and achieving a 25% reduction in monthly cloud spend through FinOps practices.
Engineered multi-tenant multi-region MySQL database clusters with automated backups, cross-AZ resilience, and zero-
downtime failover using RDS and MariaDB, supporting ~320 tenants in production.
Streamlined operational tasks including user access provisioning, automated AMI patching, and the development of hardened
golden AMIs using Packer and Ansible. Automated infrastructure workflows with Bash and Python, improving consistency,
security, and operational efficiency while saving 15+ engineering hours per week.
Created a Python-based MySQL metrics exporter publishing Prometheus-compatible metrics, powering a Grafana dashboard for
root-cause analysis and tenant-level drill-down on shared database clusters.
Mentored 5+ junior DevOps engineers; authored engineering runbooks and standardised operational documentation across
teams to improve knowledge sharing and incident response.
Dec 20222 yrs 5 mosApr 2025
Bengaluru, Karnataka, India
Key member in designing, implementing, and maintaining end-to-end infrastructure, with a strong focus on Kubernetes environments for production and non-production workloads.
Implemented CI/CD pipelines using Jenkins (CI) and ArgoCD (CD) for multi-language applications built with Java, Python, and Node.js.
Provisioned and managed AWS infrastructure using Terraform, ensuring that all components met organizational requirements while prioritizing security, scalability, and cost optimization.
Engineered and maintained MySQL database clusters for production and non-production within a multi-tenant architecture, ensuring high availability across multiple AZs and implementing robust backup and recovery mechanisms.
Implemented secure access management for users and applications, improving overall system security and compliance posture.
Actively monitored and optimized cloud costs, applying strategies to ensure efficient resource utilization.
Mar 20211 yr 9 mosNov 2022
Bengaluru, Karnataka, India
Migrated Java, Node.js, and Python applications from EC2 instances to Kubernetes clusters.
Managed, maintained, and troubleshot production and Non production Kubernetes environments.
Led infrastructure automation using Terraform, Ansible, and Jenkins.
Developed Jenkins DSL jobs using Groovy templates for automated job creation.
Automated repetitive operational tasks, including access management and provisioning.
Jan 20212 mosFeb 2021
Bangalore Urban, Karnataka, India
Engati is a product company under Coviam.
Aug 20191 yr 6 mosJan 2021
Bengaluru, Karnataka, India
Worked in an Agile sprint model for continuous delivery and iterative improvements.
Managed user access and configurations using Ansible scripts.
Developed automated deployment jobs integrating Jenkins, Ansible, and Terraform.
Monitored infrastructure using Prometheus, Grafana, Alertmanager, and New Relic.
Configured centralized log aggregation using the ELK Stack (Elasticsearch, Logstash, Kibana).
Onboarded and managed distributed services including Kafka, RabbitMQ, and HBase.
Created and managed RDS instances, ensuring high availability and performance.
Migrated MySQL and MongoDB databases in production with zero downtime.
Performed on-demand scaling across production and non-production environments.
Onboarded new applications, ensuring smooth integration and deployment.
Jun 20181 yr 3 mosAug 2019
Cochin Area, India
• Managed and created AWS resources including EC2, S3, EBS, and RDS to support various projects.
• Automated backup processes with shell scripts, enhancing efficiency and reliability.
• Conducted live updates on production servers ensuring zero downtime, maintaining system integrity.
• Monitored system health using Zabbix, proactively identifying and mitigating security threats.
Jun 20181 yr 3 mosAug 2019
Managed EC2, S3, EBS, RDS, ELB, Security Groups, and NACL rules on AWS; handled user onboarding/offboarding across infra servers. Delivered live production updates with zero downtime; automated backup jobs and instance onboarding using Python and shell scripts. Monitored system health using Zabbix; identified and mitigated security attacks.
Joshua’s AI Stack
Education
Master of Computer Applications, Computer Science
Marian College Kuttikkanam
20152 yrs2017
BCA, Computer/Information Technology Administration and Management
UIT Kottarakkara
20123 yrs2015
Join Joshua and 10k+ other professionals on
Tal is the app where bosses meet engineers & builders directly, without middlemen
Download Tal Boss