---
title: "Bablish Jaiswal - DevOps Engineer in Pune District | Tal"
description: "Meet Bablish Jaiswal, Senior DevOps Engineer at Helpshift Technologies Pvt Ltd | ex-Rakuten based in Pune District. AI stack includes claude code, cursor, and n8n. Explore public work links including github."
image: "https://tal.club/meet/bablish-jaiswal/share-image"
---

# Bablish Jaiswal on Tal

## Headline

Senior DevOps Engineer at Helpshift Technologies Pvt Ltd \| ex\-Rakuten

## About

Web3 \| AWS \| Linux \| Kubernetes \| Docker \| Terraform \| Ansible \| Helm \| Argo CD \| GitOps \| GKE \| GitHub Actions \| Jenkins \| Kustomize \| Istio \| Prometheus \| Grafana \| ELK \| CEPH \| DevSecOps \| Advanced Bash Scripting \| DeFi \| DePIN \| Web3 Infrastructure \| LLM \| AI \| SRE Senior DevOps Engineer with 8\+ years of experience in Kubernetes, cloud infrastructure, Linux, CI/CD, automation, and production operations\. Strong hands\-on expertise in GKE, Docker, Terraform, Helm, Argo CD, GitHub Actions, Jenkins, and Ansible\. Experienced in building scalable, secure, and production\-grade platforms across cloud\-native and Web3 ecosystems\. Certified: Red Hat Certified Specialist in Ansible Automation AWS Certified Solutions Architect – Associate Open to remote Senior DevOps / Cloud Infrastructure / Platform Engineering opportunities \| Site Reliability Engineering \| Immediate Joiner GitHub: linux\-cnf/script

## Location

Pune District

## AI stack

claude code

cursor

n8n

perplexity

## Work experience

DevOps Engineer at Helpshift, Oct 2023 \- Present · 2 yrs 11 mos, Pune District, DevOps Engineer \| Helpshift Infrastructure & Platform Engineering: Spearheaded a zero\-downtime OS migration for 750\+ production instances from Ubuntu 14\.04/18\.04 \(Trusty/Bionic\) to Ubuntu 22\.04 \(Jammy\), managing kernel compatibility, package migrations, dependency resolution, and coordinated service restarts across multi\-region environments Diagnosed and resolved complex Linux performance issues across production systems, including CPU/memory pressure, I/O bottlenecks, OOM kills, and network latency — using tools such as perf, strace, ss, sar, and journalctl Hardened Linux system security at scale: enforced PAM configurations, sudoers policies, SSH hardening standards, and automated user lifecycle management across a large multi\-region fleet Maintained 99\.99% uptime across multi\-region AWS and GCP infrastructure by applying SRE principles, on\-call incident response, and proactive capacity planning DevOps & Automation: Implemented GitOps workflows using Argo CD and Helm, streamlining deployment pipelines and reducing release cycle time by 30% Built and maintained a full observability stack using Prometheus, Grafana, ELK, OpenTelemetry, and Tempo, enabling end\-to\-end distributed tracing and reducing MTTR by 25% Automated operational runbooks and SOPs covering database backups, vulnerability scanning, AMI remediation, S3 lifecycle policies, and cloud cost analysis Designed and maintained Terraform\-based Infrastructure as Code \(IaC\) with GCS remote backend and state locking, enabling consistent, auditable, and repeatable provisioning of production\-grade infrastructure

DevSecOps Engineer at Rakuten Symphony, May 2022 \- Oct 2023 · 1 yr 6 mos, Tokyo, Japan, Kubernetes & Container Infrastructure: Managed and performance\-tuned Linux environments powering large\-scale GKE node pools and kubeadm — including kernel parameter optimization \(sysctl\), cgroup resource limits, and systemd service management for containerized workloads Monitored and administered large\-scale GKE clusters using Prometheus, Grafana, and Alertmanager, enabling proactive alerting and capacity visibility across production workloads Implemented Workload Identity for secure, credential\-free service\-to\-service authentication on GCP, eliminating reliance on static service account keys Automation & Tooling: Automated Linux infrastructure operations via Ansible playbooks and Bash scripts — covering OS hardening, package management, log rotation, and cron job management, reducing configuration drift and human error by 35% Developed internal tooling in Python and Go for Linux system diagnostics and operational automation, cutting manual engineering effort by 50% Configured a centralized monitoring and log aggregation pipeline using ELK Stack and Amazon CloudWatch, providing unified observability across hybrid cloud environments CI/CD & Developer Experience: Managed end\-to\-end CI/CD pipelines using Jenkins, enabling consistent, automated builds and containerized deployments across environments Reduced team onboarding time by 60% by authoring comprehensive internal DevOps documentation, runbooks, and standard operating procedures, improving knowledge transfer and operational consistency

DevOps Engineer and Linux specialist at i2k2 Networks, Jul 2019 \- May 2022 · 2 yrs 11 mos, Noida, System Reliability & Performance: Provisioned and managed high\-availability Linux\-based production systems — encompassing OS configuration, networking stack, disk management \(LVM, RAID\), and system\-level performance tuning for sustained workload reliability Diagnosed and resolved 75\+ unique Linux performance bottlenecks by profiling CPU scheduling, memory allocation, and disk I/O patterns — achieving a 20% increase in processing throughput across production systems Designed and maintained backup and disaster recovery \(DR\) strategies for critical workloads, ensuring business continuity and meeting recovery time and point objectives \(RTO/RPO\) Kubernetes Networking & Service Mesh: Implemented and maintained Kubernetes networking on Linux hosts — including Ingress controllers, iptables/nftables rule management, CNI plugin configuration, and L4/L7 load balancing for high\-throughput microservice traffic Deployed canary releases using Istio service mesh, enabling progressive traffic shifting and controlled rollouts — directly contributing to a reduction in release\-related incidents and supporting faster, safer release cycles Integrated OpenTelemetry and Tempo for end\-to\-end distributed tracing across microservices, improving root cause identification speed during production incidents Security & Compliance: Enforced Linux system security at the infrastructure layer: IAM policy management, filesystem\-level access controls \(ACLs, SELinux/AppArmor\), vulnerability scanning, and network\-level hardening — maintaining a consistent security posture across the fleet

Cloud and Security Engineer at Utho, Sep 2018 \- Jul 2019 · 11 mos, Noida, Bootstrapped production\-grade multi\-node Kubernetes clusters from scratch using kubeadm with HA control plane setup — building hands\-on expertise in Kubernetes internals, etcd quorum, and control plane resilience before managed K8s \(GKE/EKS\) became the norm\. Configured Ceph distributed storage \(RBD \+ RGW\) for scalable block and object storage on Linux, and developed custom OS templates and cloud provisioning packages — requiring deep knowledge of Linux filesystem internals, networking, and image lifecycle management\. Automated network diagnostics using tcpdump, nmap, and tshark for security analysis and traffic inspection — laying the groundwork for the DevSecOps and infrastructure hardening practices I've applied at every role since\.

Linux Administrator at Progression Infonet Pvt\. Ltd\., Feb 2018 \- Sep 2018 · 8 mos, Gurugram, Began my infrastructure career managing Linux\-based production systems across VMware, MySQL, and Zimbra — responsible for incident analysis using AWS CloudTrail and system logs, and real\-time monitoring via PRTG, Observium and Checkpoint firewall analytics\. Developed core Linux administration and network security fundamentals — filesystem management, user access control, service troubleshooting — that form the foundation of the systems\-level depth I bring to Kubernetes and cloud infrastructure today\. Built early operational discipline around change management, incident triage, and infrastructure documentation that scaled with me through every subsequent role\.

## Education

BCA, Computer Science, Bharati Vidyapeeth University Institute of Management and Research \(BVIMR\)

## Public links

- github: https://github\.com/linux\-cnf

[View the original profile](https://tal.club/meet/bablish-jaiswal)

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