Balasubramani Sundar
Test Architect
Chennai
Summary
Accomplished Test Architect with over 18 years of expertise in quality assurance, focused on driving impactful testing strategies and solutions. Proven track record in developing comprehensive test plans, strategies, and architectures that effectively address both functional and non-functional requirements. Recognized for fostering a collaborative team environment while adeptly managing teams and adapting to evolving project needs. Optimizes testing processes to deliver high-impact solutions that enhance overall product quality. Committed to leveraging extensive experience to contribute to innovative testing methodologies and elevate organizational success.
Overview
19
19
years of professional experience
12
12
Certifications
2
2
Languages
Work History
Test Architect
Cloud Collab Technologies Pvt Ltd.
Chennai
01.2025 - 02.2026
- Being an Architect for the quality engineering for Commercial Aviation In-Flight Connectivity products, designing and validating complex satellite-based workflows for major airline clients.
- Developed and implemented BDD Cucumber automation frameworks utilizing REST API for OTADS/IFC APIs, boosting test coverage and enabling early defect detection.
- Directed System Integration Testing (SIT) and end-to-end validation across Agile Release Train teams, ensuring delivery of high-quality increments in alignment with PI objectives.
- Facilitated collaboration between product, development teams and scrum master, streamlining validation processes for complex satellite-based workflows.
- Oversaw the stabilization and enhancement of automated regression pipelines, achieving a substantial improvement in success rate from approximately 70% to 97% within one month.
Project Lead - NMS R&D System Test
Wipro Limited
Chennai
04.2019 - 10.2024
- Directed the System Test team for Network Management System R&D, overseeing planning, estimation, and risk mitigation to ensure timely delivery across multiple releases.
- Defined comprehensive test scope, strategies, and resource plans while facilitating effective communication with product owners, managers and other stakeholders.
- Optimized resource utilization by accurately forecasting project needs and allocating resources accordingly throughout the project lifecycle, which helps to save the 15% of the project's budget.
- Engineered and deployed automation-driven migration and validation flows, reducing project costs by roughly 10% and eliminating approximately 3 manual test days per iteration.
- Championed the onboarding, mentoring, and upskill of new team members, accelerating ramp-up times and boosting overall team productivity.
Tech Lead - Nokia AMS Core
Tech Mahindra
Chennai
08.2014 - 04.2019
- Functioned as a domain expert for Nokia’s AMS-Core test area roadmap spanning 5 years, guaranteeing feature preparedness and conformance with customer specifications and benchmarks.
- Managed thorough end-to-end testing—incorporating both manual and automated techniques—to validate essential telecom functionalities and ensure thorough integration validation.
- By implementing the 'Customer Centric Testing' strategy, by analyzing the existing defect data for the particular customer to identify patterns and pinpoint the most vulnerable modules in each customer specific release. This approach significantly improved test coverage, resulting to 20% reduction in the customer defects.
Senior Engineer - Testing
Aricent
Chennai, Chicago
10.2010 - 08.2014
- Directed system test planning, execution, and reporting for telecom/network solutions, managing teams both onsite in Chicago and offshore.
- Oversaw the defect lifecycle management, fostered cross-team coordination, and handled escalation to expedite the resolution of high-impact issues.
- Provided comprehensive troubleshooting and log analysis assistance to customers and internal teams, ensuring the swift resolution of technical issues.
Senior Software Engineer
Calsoft
Chennai, Bangalore
07.2007 - 10.2010
- Established a robust foundation in networking product testing and protocol validation, targeting L2-L7 solutions for reliable network performance.
- Designed and implemented test automation frameworks, regression suites, and reusable test utilities, significantly accelerating validation cycles and improving efficiency.
- Set up complex lab topologies, managed deployments, and validated solution preparedness prior to customer releases, ensuring readiness and minimizing potential issues.
Education
B.Tech. - Information Technology
R.V.S. College of Engineering & Technology
Dindigul01-2007
Diploma - Computer Technology
R.V.S. Polytechnic College
Dindigul01-2004
Skills
Test Architecture
Project Management
Test Management
Agile/Scrum
CI/CD
NMS EMS
API Automation
BDD Cucumber
Robot Framework
Python
Jenkins
Kubernetes
Accomplishments
- Orchestrated strategies which directly resulted in automated regression pipeline success rate improvement from approximately 70% to 97% within one month by fixing flaky tests, improving data setup, and optimizing environment dependencies.
- Decreased project expenses by ~10% through the construction and execution of automation-driven migration and validation flows, eliminating approximately 3 manual test days per iteration.
- Won Ideas Award at Tech Mahindra for Customer-Centric Testing initiative resulting in approximately 20% reduction in defect leakage through enhanced scenario design and coverage.
- Acted as a domain owner of Nokia's AMS-Core, improving test efficiency by an estimated 20% through refined test strategies and strengthened automation coverage.
Certification
Professional Cloud Architect - Google Cloud
Timeline
Professional Cloud Architect - Google Cloud
03-2026
AWS Cloud Quest: Cloud Practitioner - AWS
05-2025
Programming with Python - OpenEDG Python Institute
01-2025
Test Architect
Cloud Collab Technologies Pvt Ltd.
01.2025 - 02.2026
Professional Scrum Developer I (PSD I) - Scrum.org
11-2024
Google Cloud Digital Leader - Google Cloud
11-2024
Professional Scrum Master (PSM) - Scrum-Framework.com
10-2024
Robot Framework REST API Testing - Udemy
06-2024
LambdaTest Automation Professional - LambdaTest
05-2024
Career Essentials in Generative AI by Microsoft
05-2024
Career Essentials in Project Management Essentials - Microsoft
10-2023
Red Hat Delivery Specialist - Automation - Red Hat
10-2023
DevOps Foundations: CI/CD - LinkedIn
03-2023
Project Lead - NMS R&D System Test
Wipro Limited
04.2019 - 10.2024
Tech Lead - Nokia AMS Core
Tech Mahindra
08.2014 - 04.2019
Senior Engineer - Testing
Aricent
10.2010 - 08.2014
Senior Software Engineer
Calsoft
07.2007 - 10.2010
B.Tech. - Information Technology
R.V.S. College of Engineering & Technology
Diploma - Computer Technology
R.V.S. Polytechnic College
Awards
- Certification of Appreciation, Wipro Limited
- Ideas Award, Tech Mahindra