Ratanraj Singh
DevOps Lead / SRE Manager | Infrastructure & Platform Engineering | AWS, Kubernetes,Azure, Terraform, Reliability & Scale
- Role
- Senior IT Infrastructure Manager at Simpl
- Location
- Mumbai, MH, IN
- LinkedIn followers
- 500 followers
About Ratanraj Singh
I’m a technology leader with 16+ years of experience driving IT Infrastructure, Cloud, DevOps, and Telephony Operations across fintech, B2B, and B2C organizations. Over the years, I have led multiple transformation initiatives that improved reliability, reduced costs, and enabled scalable growth — delivering over Rs.20M in annual TCO savings through automation and efficient infrastructure design.Currently, I serve as Senior Program Manager – IT Infrastructure at Simpl, where I focus on building reliable, high-availability platforms that deliver seamless customer experiences and operational excellence. My expertise spans DevOps, SRE, Cloud Infrastructure (AWS/Azure), CI/CD automation, Telephony, and IT Compliance Frameworks, and I’ve consistently maintained 99.9% uptime across hybrid cloud and on-prem environments supporting daily customer interactions.I’m passionate about infrastructure optimization, cloud governance, and cost efficiency, and I enjoy bridging business goals with technical strategy to build scalable, secure, and future-ready systems that make a real impact
Experience
Senior IT Infrastructure Manager
Apr 2025 — Present · Bengaluru, IN
Managed end-to-end telephony and IT infrastructure operations for Simpl’s cloud contact center platform. • Designed scalable systems supporting over 2,500+ concurrent calls, ensuring 99.9% uptime. • Deployed container-based telephony (Ameyo) using Docker and Kubernetes for seamless updates. • Led cost optimization initiatives, achieving Rs 15 Mn annual savings while enhancing reliability and performance.• Successfully migrated CPaaS platform from Knowlarity to AWS, boosting user reachability from 12% to 25% and achieving Rs 2.5 million in annual cost savings.
Education
Chaudhary Charan Singh University (CCSU), Meerut
Bachelor of Business Administration - BBA, Information Technology
Uttar Pradesh State Board of High School and Intermediate Education (UPMSP)
HSC
Uttar Pradesh State Board of High School and Intermediate Education (UPMSP)
SSC
Indira Gandhi National Open University
Master of Computer Applications - MCA
2016 — 2019
Indira Gandhi National Open University
BCA
Skills
- Asset Management
- Html5
- Phpmyadmin
- Antivirus
- Network Management Applications
- Hardware
- Ccna
- Mysql
- Networking
- Troubleshooting
- Computer Hardware Networking
- Mcse 2003
- Ubuntu
- Software Installation
- C
- Operating Systems
- C++ Language
- Vmware Server
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