Dec 2016 – Oct 2017 · 10 mos · Noida Area, India

• DevOps | Monitoring | ChatOps | Blockchain
• ✔ Log Aggregation & Monitoring:
• Implemented Logstash for aggregating logs from Docker containers across multiple applications.
• Maintained dashboards for pattern analysis and visualization.
• Configured Icinga2 and New Relic to monitor server and application health.
• ✔ ChatOps & Automation:
• Integrated ChatOps tools with server monitoring systems for real-time status alerts.
• Developed Hubot integrations with Elasticsearch and monitoring tools, enabling automated responses in ChatOps platforms.
• ✔ CI/CD & Containerization:
• Set up Jenkins 2 and implemented CI/CD pipelines for microservices deployment.
• Managed Docker private hub using Nexus Repository Server 3.3.
• ✔ Microservices Deployment & Orchestration:
• Administered Mesos clusters with Zookeeper and Marathon for microservices deployment.
• Deployed Consul for service discovery, integrating Mesos-Consul and HAProxy.
• ✔ Blockchain Implementation:
• Led the deployment of Blockchain infrastructure using Hyperledger Fabric.

May 2016 – Nov 2016 · 6 mos · Gurgaon, India

• Build & Release Management | Infrastructure Automation
• ✔ Build & Release Automation: Managed and automated the Build and Release Process for client applications, ensuring smooth and efficient deployments.
• ✔ Database & Cluster Management:
• Administered and optimized Elasticsearch, Cassandra, and MongoDB clusters for high availability and performance.
• ✔ Containerization & Scaling:
• Scaled services using Docker, Mesos, and Marathon, ensuring optimal resource utilization and system stability.
• ✔ Configuration Management:
• Implemented Chef Server for efficient configuration management and infrastructure automation.
• ✔ Microservices Management:
• Managed Redis, Kafka, and Zookeeper, ensuring seamless microservices communication and orchestration.
• ✔ Incident Handling & Documentation:
• Documented incidents and resolutions, improving knowledge sharing and incident response efficiency.
• ✔ Log Monitoring & Observability:
• Monitored system performance and logs using Graylog and Graphite, enhancing system visibility and troubleshooting capabilities.

Jul 2015 – May 2016 · 10 mos · Gurgaon, India

• Database Administration | AWS Cloud | Performance Optimization
• ✔ MongoDB Administration & Optimization:
• Performed end-to-end MongoDB management, including replication, sharding, backup/restore, performance tuning, authentication security, capacity planning, and data modeling.
• Deployed and optimized MongoDB clusters on AWS for high availability and scalability.
• ✔ AWS Infrastructure & Cloud Management:
• Planned and implemented AWS resources such as IAM Roles, EC2, ElastiCache, RDS, CloudTrail, Route53, SQS, SNS, and CloudWatch.
• Configured Elastic Load Balancing (ELB) and Auto-Scaling for fault tolerance and performance optimization.
• ✔ Performance Benchmarking & Server Tuning:
• Benchmarked Apache2, Nginx, uWSGI, and Gunicorn for Python application performance tuning.
• Monitored alarms and server states, ensuring proactive issue resolution.
• ✔ Observability & Log Management:
• Managed ElasticSearch + Kibana stack with Shield authentication.
• Enabled real-time data transportation from MongoDB to Elasticsearch for analytics and insights.
• ✔ CI/CD & Deployment Automation:
• Automated code deployments from Git using Fabric scripts.
• ✔ Security & Authentication:
• Managed network, server, and database security, ensuring robust authentication mechanisms.

Jul 2014 – Jun 2015 · 11 mos · Gurgaon, India

• Database Performance Optimization | AWS Cloud | DevOps
• ✔ MongoDB Performance Tuning & Optimization:
• Focused on performance tuning and resource utilization optimization for MongoDB clusters.
• ✔ AWS Infrastructure Management:
• Planned and implemented AWS services, including IAM Roles, EC2, ElastiCache, RDS, CloudTrail, Route53, SQS, SNS, and CloudWatch.
• Configured Elastic Load Balancing (ELB) and Auto-Scaling for high availability and fault tolerance.
• ✔ Server Benchmarking & Performance Tuning:
• Benchmarked Apache2, Nginx, uWSGI, and Gunicorn for Python application performance optimization.
• Monitored server alarms and health, ensuring proactive issue resolution.
• ✔ Observability & Log Management:
• Managed Elasticsearch + Kibana stack for real-time data analytics and monitoring.
• Enabled real-time data transportation from MongoDB to Elasticsearch for analytics.
• ✔ CI/CD & Deployment Automation:
• Automated code deployment to streamline release cycles and minimize downtime.

Jul 2011 – Jul 2014 · 3 yrs · Gurgaon, India · On-site

• Application Architecture & Deployment: Led the analysis, planning, and design of scalable application architectures for seamless deployment and implementation.
• Cloud Environment Management: Deployed and managed AWS EC2 instances, OpenStack with GlusterFS, and MySQL to scale resources based on demand.
• Database Management & Optimization: Administered MongoDB, including replication, sharding, compound indexing, and backup/restore processes to ensure high availability and performance.
• Server Setup & Troubleshooting: Led server setup, optimization, and troubleshooting, ensuring smooth IT infrastructure operations.
• Infrastructure Monitoring & Management: Utilized tools like Nagios for cluster management (Perceus and Rocks) to ensure high performance and availability.
• Security & Compliance: Managed security audits, network services security, LDAP for user identity management, and implemented security policies (SELinux) at the server level.
• Web Application Deployment: Deployed web applications over Nginx with Web Application Firewall (WAF) and resolved related issues.
• Virtualization: Managed virtual environments using ESXi5 for streamlined resource allocation and management.
• Backup & Recovery: Developed and enforced policies for weekly backup and recovery for VMs and EC2 instances.
• DNS Management: Implemented and managed DNS server operations to ensure network stability.
• Version Control & Collaboration: Managed project repositories through CVS and ensured version control best practices.
• Change & Backup Management: Defined and implemented best practices for project management, backup strategies, and recovery plans.
• Network Routing & Security: Configured policy-based routing and bandwidth management using Vyatta router for dual WAN setups.
• Linux Systems Administration: Troubleshot hardware and software issues, provided end-user training, and ensured optimal system performance for Red Hat Linux and Ubuntu.

Jun 2010 – Jul 2011 · 1 yr 1 mo · Lucknow Area, India · On-site

• Server Maintenance & Support: Provided installation, configuration, and ongoing maintenance for servers, ensuring system stability and high performance.
• Client Interaction & Issue Handling: Acted as a primary point of contact for clients, resolving technical issues and ensuring timely support and solutions.
• Blade Server Management: Managed high-performance computing environments using Red Hat Enterprise Linux (RHEL), optimizing performance and reliability.
• Network Issue Resolution: Addressed and resolved network-related issues to ensure seamless connectivity and performance.
• MS Windows Server Administration: Administered Microsoft Windows Server 2008 environments, including Active Directory (AD) management and troubleshooting.
• Group Policy Management: Managed and configured group policies within MS Windows Server 2008 to ensure consistent security and operational standards.
• High Availability for MS SQL Server 2008: Implemented and maintained high availability configurations for MS SQL Server 2008 to minimize downtime and improve reliability.
• SAN Management: Administered Storage Area Networks (SAN) to ensure data availability and integrity.
• Pre-Delivery Inspection: Conducted thorough pre-delivery inspections of hardware and software to ensure compliance with client specifications and quality standards.