Summary
Overview
Work history
Education
Skills
Accomplishments
Certification
Timeline
Generic

Rishabh Dwivedi

Swindon

Summary

Experienced DevOps Engineer with a strong background in cloud infrastructure and automation. Proficient in AWS, Docker, Kubernetes, and Terraform, with a proven track record of streamlining deployment processes using Jenkins and Argo CD. Adept at managing version control systems like Git and GitHub, and skilled in configuration management tools such as Ansible. Demonstrates expertise in scripting with Shell and Python to enhance operational efficiency. Committed to continuous improvement and innovation within the DevOps domain.

Overview

11
11
years of professional experience
2012
2012
years of post-secondary education
1
1
Certification

Work history

DevOps Engineer

Sky
London
02.2023 - 02.2025
  • Streamlined the CI/CD pipeline for Java-based applications using Gradle, resulting in a 20% reduction in build and deployment times.
  • Worked in containerization of microservices architecture applications where I have containerized services of 3 development teams.
  • Implemented infrastructure as code for the microservices and the Kubernetes infrastructure on AWS.
  • Worked on AWS Lambda and AWS networking such as VPC, Load Balancing, EC2 and IAM.
  • Introduced version control best practices with Git, improving code collaboration and traceability. Helped teams with branching strategy and webhook configuration.
  • Designed and implemented a monitoring system with Prometheus and Grafana, including alerting mechanisms that improved response time to downtime by 80%.
  • Resolved critical production incidents promptly, maintaining system availability and minimizing business impact.
  • Received appreciation for resolving critical AWS VPC issues, resolving peering problems for a development team.
  • Worked with Route53 and hosted zones where I have orchestrated the route 53 and ALB integration for custom domain implementation in Kubernetes.
  • Mastered Kubernetes Ingress and Implementation of Kubernetes Ingress for multiple micro services.
  • Setup a terraform remote backend and locking mechanism for the organization using AWS S3 bucket and dynamodb.

Senior IMS Tester

O2
Slough
08.2018 - 01.2023
  • Reviewed the design and requirement document.
  • Prepared the test IDs and detailing on design and requirements and loaded in Jira.
  • IMS scenarios/services executed (i.e registration/ attach procedure, MO/MT call, testing supplementary services-Call HOLD, call waiting, CLI, 3-way calling, Emergency/Non-emergency calls etc.) with different handsets i.e iOS, Android and Samsung watch.
  • Empirix tracing done for each of scenarios and SIP and Diameter traces analysed.
  • Executed test cases, raised and tracked all defects in Jira.
  • Verified if ‘Online charging’ is done correctly for SMS, Data and voice scenarios with the help of CDR.
  • End to End call flow analysed through Wireshark for nodes like MME, SGW, PGW, ASBC, P-CSCF, CFX(S-CSCF), E-CSCF, MTAS.
  • Developed shell scripts for automating node health checks, monitoring CPU, memory, and other critical metrics, ensuring system stability.
  • Written the Ansible YAML scripts to install packages.

IMS Tester

EE
Bristol
11.2016 - 07.2019
  • Reviewed the design and requirement document.
  • Prepared the test IDs and detailing for VOLTE/ IMS based on design and requirements and loaded in HPQC.
  • IMS scenarios/services executed (i.e registration/ attach procedure, MO/MT call, testing supplementary services-Call HOLD, call waiting, CLI, 3-way calling, Emergency/Non emergency calls etc.) with different handsets i.e iOS and Android.
  • Wireshark tracing done for each of scenarios and SIP, Diameter, BICC and MAP traces analysed.
  • Worked with product and test development team to ensure requirements are verifiable.
  • Executed test cases, raised and tracked all defects in Quality Centre.
  • Analysed Samsung watch device logs for e-sim project to know if ICCID profile is downloaded successfully on watch and activated.

Website & Mobile Application Tester

Vodafone
Newbury
04.2014 - 10.2016
  • Designed the test cases and mapped them to test requirements.
  • Reported daily status of the test activities and updated the test documentation.
  • Executed test cases, raised and tracked all defects in Quality Centre.
  • Monitored and analysed new defects being raised, reviewed for completeness, priority, severity, and quality aspects.
  • Performed Cross-browser testing on IE, Chrome, Firefox and safari browsers.
  • Performed Smoke, Functional, GUI/design, Black box, End to end, Navigational and Regression tests during the execution phase.
  • Geofencing testing on IOS and Android devices.
  • Attended the Business Requirements meetings to better understand the system.
  • Altered the test cases as per the new requirements as some additional features were added.
  • Tested the Application under different networks and internet speeds including while on 3G,4G,Wi-Fi.

Education

MA - International Management

University of Sunderland
Sunderland
02.2011 - 09.2012

B.A. - Business and Management Hons.

Sheffield Hallam University
Sheffield
09.2010

Skills

  • AWS
  • Gradle
  • Maven
  • Docker
  • Kubernetes
  • Shell
  • Python
  • Git
  • GitHub
  • Ansible
  • Terraform
  • Jenkins
  • Argo CD

Accomplishments

Received star of the month award for implementing 20 percent cost reduction.

Participated at various local meetups to learn from the Devops community.

Certification

ISTQB

Timeline

DevOps Engineer

Sky
02.2023 - 02.2025

Senior IMS Tester

O2
08.2018 - 01.2023

IMS Tester

EE
11.2016 - 07.2019

Website & Mobile Application Tester

Vodafone
04.2014 - 10.2016

MA - International Management

University of Sunderland
02.2011 - 09.2012

B.A. - Business and Management Hons.

Sheffield Hallam University

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