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
Information TechnologyView LinkedIn profile

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

  1. Senior IT Infrastructure Manager

    Simpl

    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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Ratanraj Singh — Senior IT Infrastructure Manager at Simpl in Mumbai, MH, IN | Unifers