* Developed and maintained CI/CD pipelines for microservices applications using Concourse, Jenkins and GitLab CI, enhancing deployment speed and quality.* Optimized AWS infrastructure (EC2, S3, RDS, Lambda) and implemented auto-scaling, reducing costs and ensuring high availability.* Led the adoption of containerization using Docker and Kubernetes, enhancing the scalability and manageability of microservices.* Configured and maintained AWS CloudFront and S3 for optimized content delivery and storage solutions.* Ensured robust cloud security by implementing IAM roles, VPC security groups, and encryption (both in-transit and at-rest).* Implemented monitoring and alerting systems using Prometheus, Grafana, and Splunk, proactively identifying and resolving issues before they impact production.* Automated repetitive tasks and streamlined deployment workflows, significantly reducing manual intervention and operational overhead.* Mentored and trained junior DevOps engineers, fostering a culture of collaboration and continuous improvement.

* Led the integration of Salesforce and JIRA through the Go2Group plugin, enhancing project tracking and communication between cross-functional teams.* Implemented Oracle EBS to Clarity/niku interfaces, automating time-sheet reconciliation processes, and reducing manual workloads.* Delivered end-to-end systems integration (SI) solutions for large-scale enterprise applications across global teams in the Americas, APAC, and EMEA.* Optimized backend database performance, reducing the query load average from 7 hours to 2 hours.* Managed SSL certificate management and led cross-functional teams to deploy and manage security certificates globally.

* Developed multithreaded FTP data pipelines in Ruby, facilitating efficient data transfers for the enterprise data warehouse.* Led the migration of legacy applications to REST/SOAP web services using LDAP, Oracle BRM, and Ruby on Rails, improving application performance and maintainability.

* Implemented and configured JBoss clustering and load balancing for improved application availability and fault tolerance.* Managed over 100 Linux servers, automating builds and deployments using Ruby, Capistrano, and SVN.Implemented security patching and vulnerability management using Qualys and Patchlink.* Developed and maintained internal tools for log management, using Splunk for real-time system monitoring and alerting.

* Developed multi-tier project management reporting application using Ruby on Rails.Implemented SNMP-based server monitoring using Cacti.* Managed server statistics and analyzed server load.

* Designed and deployed network infrastructure, including DNS, SMTP, Apache, and VMWare.* Implemented security controls using TCP Wrappers, firewalls, and vulnerability scanning tools like Nessus.

* Led the design, setup, and management of key infrastructure technologies, including DNS, NFS, and subnetting, ensuring robust and scalable networking solutions for a growing business.* Automated the management of user access and internet traffic with Squid Proxy server, enabling controlled internet access for LAN users and enhancing security.* Conducted system administration tasks, including setting up and maintaining file sharing with Samba, providing cross-platform access and collaboration capabilities across the organization.* Installed and configured network infrastructure (CAT5E patch panel, routers, switches) for efficient and secure network connectivity across multiple office locations.

* Automated data migration processes by developing FTP feeds between campus databases and various university departments, ensuring timely and accurate data transfers between systems.* Worked on the integration of Oracle Apps (HR, Payroll, Finance) with legacy systems, ensuring smooth transition and synchronization between different software ecosystems.* Developed and maintained Oracle-based systems for university departments, including General Ledger and Human Resources, supporting system integration and data consistency across applications.* Led the development of a data modeling system for ID card management using Oracle Developer 2000, streamlining data management for university IDs and card systems.* Provided in-house training to staff on Oracle Developer 2000 Forms and Reports, enabling the team to maintain and extend internal applications with greater efficiency.