RAJENDRA SHARMA

At Vena Solutions, I lead the SRE and Cloud Operations team, ensuring high availability, performance, and cost efficiency across our AWS and Azure environments.

I drove major initiatives like cloud resource optimization, proactive service health monitoring, automation of infrastructure operations.

I focus on building resilient systems, streamlining incident management, and mentoring teams to strengthen reliability practices and cloud governance."

• Managing and leading the team of skilled Integration & DevOps Engineers owning multiple projects in different verticals from technical aspects.
• Optimized cloud infrastructure using data-driven analysis, resulting in significant cost savings.
• Improved overall cloud architecture efficiency by implementing cutting-edge technologies and best practices.
• Successfully migrated legacy systems to modern cloud platforms AWS & GCP, minimizing downtime during transitions.
• Championed the adoption of DevOps best practices, fostering a culture of continuous integration and deployment within the organization.
• Resolved customer service issues by finding immediate solutions, increasing customer confidence and decreasing escalations to executive office.
• Identified bottlenecks in the process and acts as bridge to facilitate collaboration and remove complexity.
• Improved system efficiency by designing and implementing integration solutions for various software applications.

• Implemented Simility Fraud Solution in Banking Infrastructure Domain across multiple international Client locations
• Integrated product in Hybrid environment where front end applications are running as Pods and backend databases over VM machines using container platform as Kubernetes, EKS & OpenShift
• Enhanced overall system performance with the optimization of ETL workflows and data mapping techniques in Big Query, Big Data platforms.
• Ensure Scalability on demand, High Availability, Self-Healing, Disaster recovery of Database services such as Cassandra, Redis etc
• Configured Ingress, Loadbalancer, S3 bucket mounting, EFS and persistent volume storage over Kubernetes platform
• Introduced Grafana and Prometheus based monitoring with various exporters and Custom metrics scraping over both VMs and Kubernetes Architecture
• Hands on knowledge with Jenkins, Ansible, Github, CI/CD implementation
• Backup and restore scripts of Databases.

• Deliver professional technical support for mission critical applications ranging from E - Commerce to Datastore for 100+ enterprise customers 24/7, which includes federal organizations and enterprise customers such as DELL, Microsoft, NASDAQ, Snapdeal, NHS, Farfetch and DynCorp
• Work directly with product developers and raise technical escalation on issues requiring Engineering assistance
• Develop tools and utilities for use by support analysts for troubleshooting and resolution of reported issues
• Architect felicitous technical solutions by deeply understanding their challenges in TCP/IP, Application Frameworks, and Database Architectures, which includes MySQL (Master -Slave, Multi- Master, and Galera), Microsoft SQL Server (Transactional Replication, SQL Mirroring, and Always On) on various platforms such as Amazon AWS, Microsoft Azure, Google Cloud, and Rackspace
• Diagnose various layers of technical issues residing in application behaviors such as Transactional queries, RPC, Stored Procedure, and Prepare-Exec, and different protocols, including MySQL, TDS for the UNIX(Linux) appliance built with C, C++, PHP, Python, and Linux HA service
• Furnish and validate Knowledge-based articles (FAQs/Solutions) based on issues reported by customers and identified by engineering.
• Analyzed issues to identify troubleshooting methods needed for quick remediation.

• Handled critical database migrations, Upgrades and physical hardware migrations, Implemented RabbitMQ, Oracle RAC, SQL Database, Mongo, Hardware Alerts, SNMP based application alerts on 500+ Production server through Nagios Monitoring Framework efficiently using open source Nagios plugins
• Handling L3/L2 level tickets & provide quick resolutions with in SLA defined
• Hands on with ticketing System such as JIRA, DeskPro & Wiki
• Traveled with sales engineers on customer site visits to respond to specific technical questions.
• Suggested software and hardware modifications to reduce lag time and improve overall speed.
• Delivered Tier-3 support and SME input to internal and external customers.
• Worked directly with clients in rollout and post-rollout stages to train and support new applications and systems.