Summary
Overview
Work History
Education
Skills
Timeline
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Sourabh Guha

Senior Manager DevOps/CloudOps Infra
Bengaluru

Summary

Dynamic DevOps and Cloud Infrastructure professional with a proven track record in designing, implementing, and maintaining robust systems. Effective management of teams and streamlined documentation processes ensure operational excellence. Expertise includes IaaS, PaaS, and SaaS solutions, with a strong focus on optimizing DevOps, CloudOps, and Infrastructure Management practices. Committed to driving innovation and efficiency while seeking new challenges within a growth-oriented organization that values collaboration and forward-thinking strategies.

Overview

13
13
years of professional experience
4021
4021
years of post-secondary education

Work History

Senior Manager DevOps and Cloud-Infra Engineer

Crypto.com
11.2023 - Current
  • Led a comprehensive cloud migration initiative, successfully transitioning all on-premise infrastructure and services to the AWS cloud. This involved orchestrating the migration of critical environments (including DCO, DCM, FCM, and the OEX Exchange) by leveraging a cloud-native migration strategy, Infrastructure as Code (IaC), and CI/CD pipelines, to ensure a seamless and efficient transition.
  • Architected and deployed microservices architectures, utilizing Nginx and Kong as API gateways and reverse proxies to manage traffic, enhance security, and improve system modularity.
  • Spearheaded a GitOps transformation by implementing ArgoCD and Kustomize to manage application deployments, ensuring declarative configuration management, and automated synchronization with Git repositories.
  • Designed and implemented end-to-end CI/CD pipelines using GitHub Actions, Jenkins, Azure DevOps, Bamboo and Bitbucket, significantly reducing deployment times and streamlining development workflows.
  • Implemented containerization using Docker and Kubernetes, facilitating seamless deployment and application scalability.
  • Created and managed Kubernetes clusters, including monitoring and logging setups, ensuring high availability, and performance.
  • Developed and maintained Infrastructure as Code (IaC) using Terraform, provisioning and managing cloud resources, including VMs, networks, and storage, for efficient and repeatable deployments.
  • Managed and optimized cloud infrastructure on Azure and AWS for on-premise solutions.
  • Automated configuration management with Ansible enhances system consistency and reliability.
  • Leveraged Strimzi to implement Kafka MirrorMaker for seamless data replication between source and target clusters, ensuring business continuity, and disaster recovery capabilities.
  • Automated the configuration and deployment of Kafka components, including MirrorMaker, using Infrastructure as Code (IaC) principles with YAML and Kubernetes Custom Resources, reducing manual effort and potential errors.
  • Implemented and managed an in-house Kafka cluster, including MSK and Kafbat, to handle high-throughput data streams.
  • Configured data serialization for Kafka using Avro and binary formats, optimizing data transfer, and ensuring data integrity.
  • Established a comprehensive monitoring and alerting stack using Prometheus and Grafana, providing real-time visibility into system health and performance.
  • Implemented comprehensive monitoring and alerting systems using Grafana and Loki, improving system observability.
  • Implemented a two-way synchronization feature between Grafana and Git, enabling version control and collaborative management of dashboards.
  • Engineered robust security measures by configuring Palo Alto firewalls and Azure Network Security Groups (NSGs), protecting against cyber threats, and ensuring compliance.
  • Configured Kong as an API Gateway to provide centralized authentication, security, and traffic management for microservices.
  • Leveraged Kustomize to manage environment-specific configurations for Kubernetes applications, maintaining a centralized base while using overlays for streamlined deployments across development, staging, and production environments.
  • Utilized Git and Bitbucket for version control, maintaining code integrity, and facilitating collaboration.
  • Developed and deployed a microservices architecture, improving system modularity and maintainability.

SRE/DevOps -Lead

Adani Digital Labs
03.2022 - 11.2023
  • Projects: Adani Airport, Adani Realty, Adani Sampling, Adani, CSMIA, Adani Digitallabs, Travel Portal, Wilmar, Adani International School.
  • Setting up all the projects on Git.
  • Setup for Jenkins CI/CD pipeline and for infrastructure deployments.
  • Set up the Azure (CI/CD) build and release pipeline for all ADL projects using Azure DevOps.
  • Classic Pipeline for (.NET, Node.js, React.js, and Sitecore)
  • Creating firewall rules with the help of NSGs on all subnets, per the subscription, resource group, and environment they belong to.
  • Setting up domains for public access on MyOrderBox/GoDaddy and private DNS on Azure.
  • CDN and security with Akamai and Palo Alto firewall.
  • Use web apps in ASP/ASE, and integrate them with the Azure pipeline across the environments.
  • Setup for Azure Application Gateway, backend settings/pool, listeners, and networking rules, health probes, and path-based routing for web apps.
  • Creating storage accounts for dev teams and for public access, maintaining them through private endpoints for cyber reasons.
  • Create API rules (APIM), and import/export Swagger files from the WebApps to the APIM.
  • Setting up Application Insights for all Web Apps for logs and monitoring.
  • Microsoft Azure (VMs, Storage, VNet, CDN, Traffic Manager, Load Balancer, Snapshots, Azure VPN).
  • Azure PaaS, like App Services, Web Apps, App Service Plans, and environments.
  • Load balancing using HAProxy, Load Balancer, and Traffic Manager.
  • AKS, Infra setup, and CICD pipelines for APIs/UIs.
  • Team leadership, business strategy, team motivation, Sitecore.
  • Helm Charts and Ingress Controller Setup.
  • Handled configuration management using the best-suited software tools, including Terraform, CloudFormation, and Ansible.

Senior Associate

Goldman Sachs
02.2015 - 03.2022
  • Implement the latest technologies, various monitoring and remediation tools, vendor connectivity with various market data feeds, and complex network systems to improve effectiveness.
  • Working on AWS services: VPC, ECS, EC2, RDS, S3, CloudWatch, IAM, SNS, Route 53, Autoscaling, ELB, WAF, Lambda, etc.
  • Moving applications from legacy VPN to AWS Direct Connect.
  • Setting up the KONG reverse proxy for applications from GSINET to the B2B DMZ.
  • Moving applications from legacy Dashrouters to the KONG structure.
  • Internal and external site certificates should be updated in a timely manner, and a check should be kept on their expiry.
  • Automate business health checks, numerous manual jobs, user login, and user configurations to better utilize cost and effort.
  • Setting up SAML and SSO authentication for various vendor services.
  • Setting up internal Autosys jobs for production servers for timely feeds.
  • Switched the business to GIT version control, building, and supporting CI/CD.
  • Assisted with refining the Software Development Life Cycle to fit system needs.
  • I wrote Terraform scripts to automatically update system components, saving 30% of admin time.
  • Appproxy setup via Conman and Conduit.
  • Managing multiple Linux servers for various internal apps and services.
  • Working with the TechRisk team to ensure compliance with centrally defined security.
  • Monitor scheduled power shutdown activities, pre-packaging testing process, code releases, quality checks, firewall/infrastructure security, auction system setup, outage issues, etc.
  • Planning and building strategies for new and upcoming projects and changes to drive them successfully, accordingly raising GCM (Global Change Management Tickets) to cover each part of the activity.
  • Testing, onboarding of trading applications in the firm via proper channels, working with the packaging team, and then rolling it out to the audience in phases.
  • Conducting training for internal engineers, and creating product-based documentation on Confluence.
  • Maintaining, onboarding, and administering web-based third-party apps on the internal portal called GSACS, such as Tradeweb, MarketAxess, FastTrack, and XTAuction Italy/Spain, to name a few.
  • Updating the database of the applications and users on the App-share.
  • Testing and updating of applications launch scripts on respective servers at the time of change, and maintaining the database of the same.
  • Working with the vendor on escalated firm-wide issues and onboarding applications.
  • Raising Sev's, driving it to closures with RCA, and sending notifications to the impacted audience.

Senior Analyst

HCL Technologies
05.2013 - 01.2015
  • The installation, configuration of components, and troubleshooting of Citrix XenApp.
  • Application installation, publication, and isolation within the Citrix environment.
  • Support client applications installed on Citrix.
  • Troubleshooting and fixing preliminary issues related to the Citrix Web Interface, Citrix Receiver, etc.
  • Installing/configuring Windows updates as per existing policies.
  • Troubleshooting on Windows Server 2008, Delegate Control, and Shadow Copies.
  • Provisioning and de-provisioning users' access in AD and other applications.
  • Handling users' issues related to AD.
  • Preparing an incident report for SEV1 and SEV2 issues.

Analyst

Wipro
09.2012 - 03.2013
  • All technical troubleshooting of the Windows operating system is done by taking a remote session of the client's system.
  • Technical query handling.
  • Troubleshooting/Connecting to the Network Printer.
  • Severity Handling: Provide on-call support for Severity 1 issues, and escalation handling.
  • Key Roles in Severity Handling.
  • Accountability in Severity Handling (Incident and Problem Management):
  • Problem Management: Manage problems to ensure that these are diagnosed, logged, and escalated to appropriate and consistent quality standards.
  • Trend Analysis: Produce a trends analysis of recurring problems/incidents, extracting trends on incident types, customer types, key problem areas, departments, hardware types, etc.
  • Customer Interface: Delivering and managing high-standard communications across customers and IT to ensure that problems are dealt with by priority and customer needs.

Education

Bachelor of Science - Computer Science

Himachal Pradesh University
Shimla, India

Higher Secondary - Non-Medical

D.A.V Public School
Faridabad, India

Skills

    Cloud: Azure, GCP, AWS

    Containerization: Docker, Kubernetes (K8s), Helm

    IaC: Terraform

    CI/CD: Jenkins, Azure DevOps, GitHub Actions (PR CI/CD), ArgoCD

    GitOps: ArgoCD

    Configuration Management: Ansible, Kustomize

    Networking & Security: Azure, PaloAlto, AKAMAI, Nginx, Apache, Kong

    Monitoring & Logging: Grafana, Prometheus, Loki

    Messaging & Streaming: Kafka, MSK, Kafbat

    Databases: MySQL

    Scripting: Shell, Python, HCL, yaml

    Version Control: Git, GitLab, GitHub, Bitbucket

    Build Tools: Maven

    Operating Systems: RHEL, Linux, CentOS, Ubuntu, Windows

Timeline

Senior Manager DevOps and Cloud-Infra Engineer

Crypto.com
11.2023 - Current

SRE/DevOps -Lead

Adani Digital Labs
03.2022 - 11.2023

Senior Associate

Goldman Sachs
02.2015 - 03.2022

Senior Analyst

HCL Technologies
05.2013 - 01.2015

Analyst

Wipro
09.2012 - 03.2013

Bachelor of Science - Computer Science

Himachal Pradesh University

Higher Secondary - Non-Medical

D.A.V Public School

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Sourabh GuhaSenior Manager DevOps/CloudOps Infra