Ranjan Das Gupta

Objective:

Results-oriented and dedicated Staff Engineer with expertise in Site Reliability Engineering (SRE), seeking a challenging role where I can utilize my skills and experience to design and manage highly available, scalable, and reliable systems for optimal performance and user experience.

Summary of Qualifications:

- 13+ years of progressive experience in Site Reliability Engineering , with a proven track record of leading successful teams and delivering impactful results.

- In-depth knowledge of building and managing large-scale, distributed systems and cloud-based architectures.

- Proficient in implementing DevOps practices, continuous integration and deployment (CI/CD), and infrastructure as code (IaC).

- Excellent leadership and team management skills, with a focus on fostering collaboration, professional growth, and a high-performance culture.

- Extensive knowledge of building, scaling, and maintaining distributed systems and cloud-based architectures.

- Strong problem-solving and troubleshooting skills with a proactive approach to identifying and resolving complex technical issues.

- Expertise in performance tuning, monitoring, and capacity planning to optimize system performance and reliability.

- Skilled in programming and scripting languages such as Python, Golang, and Bash.

- Familiarity with containerization technologies like Docker and orchestration frameworks like Kubernetes.

- Experience with private cloud and public cloud platforms such as AWS, Azure, and Google Cloud Platform, including various services and tools.

- Excellent leadership and team collaboration abilities, demonstrated through successful cross-functional engagements.

- Strong communication skills, with the ability to convey technical concepts to both technical and non-technical stakeholders effectively.

Professional Experience:

- Led a team of 6 SREs responsible for designing, building, and maintaining highly reliable and scalable infrastructure for Rakuten Travel's critical services.

- Developed and executed strategic initiatives to improve operational efficiency, system reliability, and performance.

- Conducted performance reviews, provided mentorship and coaching to team members, and fostered a culture of continuous learning and professional growth.

- Actively participated in the recruitment and hiring process, ensuring the team is staffed with top talent.

- Designed and managed scalable and highly available infrastructure on private and cloud platforms (e.g., AWS, GCP), ensuring the reliability and performance of critical applications.

- Implemented infrastructure as code (IaC) using tools such as Terraform and Ansible/Chef, enabling efficient and consistent deployments.

- Developed and maintained robust monitoring and alerting systems, ensuring proactive identification and resolution of system issues.

- Conducted performance testing, capacity planning, and optimization efforts to improve system efficiency and resource utilization.

- Collaborated closely with development teams to optimize application architectures for scalability, fault tolerance, and efficient operation.

- Participated in incident response and on-call rotations, effectively troubleshooting and resolving critical incidents.

References:

Available upon request

• Worked as a Senior Consultant in British Telecom in Site Reliability Engineering and Database section
• Experience in Analyzing the Complex Problems Lead role mentoring Jr. Analysts on approach and results.
• Conducted regular performance testing and capacity planning to optimize system resources and ensure scalability.
• Experience with big data platforms - Hadoop(Hive, Pig, Map Reduce, Kafka,Druid)
• Deep understanding of handling relational database systems like Oracle
• Senior Devops Engineer with experience in Chef , Docker and Kubernetes for automation
• Led incident response efforts for critical incidents, performing root cause analysis and implementing preventive measures.
• Created a in-house chatbot as well using Machine Learning using Deep learning(LSTM)

Worked as a SRE engineer

• Working as a Team Lead in Accenture managing a team of junior SREs and Database administrators
• Working as an expert supporting Orange Telecom's critical releases in France

• Install and configure operating systems, middleware, and software applications
• Monitor system health, performance, and availability using appropriate tools and techniques.
• Investigate and resolve system-related issues, including hardware failures, software errors, and network connectivity problems.
• Identify system bottlenecks and performance issues through monitoring and analysis.
• Optimize system configurations, resource allocation, and application settings for optimal performance.

• Worked as 3rd line(3L) Oracle DBA/Oracle Apps DBA for Cisco Systems (Client) working on Oracle Core and Oracle E-business suite 11i and R12.
• Worked on Oracle Middleware technologies like WebLogic
• Worked with the L1/L2 Engineers to ensure the optimum quality of service.
• Managing round the clock maintenance of the database systems by Change Management System using BMS Remedy tool.