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Ranvir Singh#

Infrastructure Engineer | DevOps Engineer

LinkedIn Phone: +44-7856043878 +91-9178282097 Email: ranvir@numbersandreality.com

Profile#

I have 5+ years of experience in maintaining simple, resilient, and secure computing infrastructure. I am passionate about technology and communicating about it.

Experience#

Kinara, Inc. | India#

Infrastructure Engineer
Sept 2022 – Current

Kinara, Inc. makes custom microprocessors for low-latency AI inferencing workloads. Here, I learned a lot about the efforts that go into bringing a brand-new chip to market and the challenges involved with AI workloads in production.

  • Managed on-prem infrastructure of 70+ servers serving 100+ users.
  • Ensured best security practices were in place to protect users from phishing.
  • Maintained Microsoft 365, Exchange, and AWS instances for 100+ users.
  • Managed the budget for IT expenses, keeping expenditure to a minimum.
  • Estimated quarterly IT expense forecasts to enable better planning for future growth.

Upwork, Inc. | Remote#

Independent Consultant
Sept 2022 – Feb 2024

Helped cloud computing startups with: * Understanding market demands. * Developing marketing campaigns. * Improving the efficiency of available compute resources.

Strasmore, Inc. | Remote#

Infrastructure Engineer
Jan 2019 – Jan 2021

Strasmore, Inc. is a cloud-hosting provider where I worked on the following: * On-Call Support: Monitored and debugged both bare-metal servers and VMs in production. * Cost Optimization: Negotiated with server vendors to find reliable, high-performing hardware, saving the company tens of thousands of dollars. * Automation: Scripted tools to monitor network activities, prevent resource abuse, reclaim unused storage, and more. * Infrastructure Design: Designed new infrastructure using KVM and OpenZFS. * One-Click Deployment: Created one-click apps for customers to quickly deploy applications like TensorFlow and WordPress. * Performance Tuning: Benchmarked systems and fine-tuned settings to maximize performance. * Security: Secured public services behind Nginx Reverse Proxy. * Documentation: Documented technical processes to keep all team members aligned.

Product Strategist
Sept 2020 – Jan 2021 * Analyzed sales patterns to maximize resource utilization and minimize performance impacts on customers. * Identified product niches and developed strategies to expand into new markets. * Conducted surveys and analyzed user feedback to guide the company's future direction.

Technical Writer
Aug 2018 – Sept 2020 * Furnished readers with high-quality tutorials on Linux and open-source technologies. * Authored content ranging from beginner-friendly introductions to in-depth articles on Docker, Ansible, LXC, and more.

LinuxHint | Remote#

Technical Writer
Aug 2017 – Sept 2019

  • Researched and created high-quality blog posts on emerging cloud technologies weekly.
  • Authored articles that received hundreds of thousands of views.
  • View Published Articles

Projects#

WSL Automation#

May 2024
* Created a set of PowerShell and POSIX scripts to spin up WSL2 instances in a completely repeatable way. * Serves as a foundation for testing within a lightweight, disposable Linux environment.

Bootstrapping Kubernetes Cluster with Ansible#

August 2021
* Developed Ansible Playbooks to bootstrap Kubernetes clusters across multiple Linux hosts. * Single playbook execution for the entire bootstrap process without reliance on vendor-specific plugins. * Implemented standard kubeadm installation requiring only SSH access on remote nodes. * Supported Debian-based OS distributions (Debian 10/11, Ubuntu 20.04+).

Multiple Websites on a Single VM with TLS#

Dec 2018
* Configured Nginx as a reverse proxy alongside Docker containers running backend web servers (Ghost CMS, WordPress). * Demonstrated how to host multiple secure services on a single cloud VM.

Animated Video on Security vs Availability#

Aug 2017
* Collaborated with The PC Security Channel to bring narration and script to life using VideoScribe. * Animated key concepts surrounding the trade-offs between cybersecurity and system availability.

Bell’s Inequality and Quantum Computing#

Sept 2016 – Dec 2016
* Created a presentation explaining the role of Bell’s Inequality in quantum computing advantages over classical systems. * Covered foundational concepts including Quantum Mechanics, Hilbert Spaces, Qubits, Quantum Logic Gates, and Dirac bra-ket notation.

Education#

IIIT-Bh (International Institute of Information Technology) | Bhubaneswar, India
B.Tech in Computer Science
July 2013 – June 2017