Test Engineer

Larsen & Toubro; Chennai District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Larsen & Toubro is seeking a Test Automation Engineer in Chennai to design and maintain scalable automation frameworks for UI, API, and end-to-end workflows. You will ensure fast, reliable feedback through CI/CD integration and continuous testing practices, while collaborating across agile teams.

Applicants should have 3–7 years in test automation, strong programming in Python/Java/JavaScript, and hands-on tools like Selenium, Playwright, Cypress, plus CI/CD experience and

Qualifications

• BE/B-Tech or equivalent with Computer Science or Electronics & Communication.
• 3–7 years of experience in test automation and quality engineering.
• Strong programming skills in Python, Java, or JavaScript.
• Hands-on experience with automation tools: Selenium, Playwright, Cypress.
• Experience with API testing, UI testing, and end-to-end automation.
• Exposure to CI/CD tools (Jenkins, GitHub Actions, Azure DevOps).
• Experience testing cloud platforms (AWS, Azure, GCP or private cloud).
• Knowledge of networking fundamentals and container deployments using Docker/Kubernetes.

Responsibilities

• Design, develop, and maintain scalable automation frameworks for UI, API, and end-to-end flows.
• Build automated test scenarios and integrate test suites into CI/CD pipelines.
• Validate cloud deployments, containers, and networking components for reliability.
• Conduct performance, security-focused, and load testing to ensure scalability.
• Monitor test results, analyze logs, and report defects with lifecycle tracking.
• Collaborate with developers, architects, and product teams in agile sprints.

Skills

Python

Java

JavaScript

APIs

CI/CD

Testing concepts

Education

BE/B-Tech in CS/EC

Tools

Selenium

Playwright

Cypress

REST Assured

Jenkins

GitHub Actions

Azure DevOps

Docker

Kubernetes

Job description

Job Purpose

To ensure the quality, reliability, performance, and security of cloud-native products by designing and implementing robust automated testing frameworks. The role focuses on end-to-end automation across applications, APIs, cloud infrastructure, and network/security layers, enabling faster, safer releases through CI/CD integration and continuous testing practices.

Role Description

Key Skills & Technical Competencies Key Responsibilities

Test Automation & Frameworks

• Automation frameworks design
• CI/CD & DevOps Integration

Cloud & Infrastructure Testing

• Public Cloud
• Private cloud

Networking & Security Testing

• TCP/IP, DNS, Load Balancers
• Authentication
• Performance & Reliability Testing
• AB testing

Observability & Debugging

• Logs

Containers & Modern Platforms

• Docker, Kubernetes

Collaboration & Agile Delivery

• Agile/S

Quality Engineering & Continuous Improvement

• Test
• Design, develop, and maintain scalable automation frameworks
• Build automated test scenarios for UI, API, and end-to-end workflows
• Ensure complete portal testing with real user scenarios
• Integrate automated test suites into CI/CD pipelines
• Enable continuous testing and fast feedback loops
• Support release automation and quality gates
• Validate cloud-based services and deployments
• Perform testing across distributed and scalable environments
• Ensure infrastructure stability and availability
• Validate networking components and configurations
• Perform security-focused testing for authentication, access control, and data protection
• Identify vulnerabilities and risks
• Conduct performance and load testing to ensure system scalability
• Identify bottlenecks and recommend improvements
• Monitor test execution results and system behavior
• Analyze logs and metrics to identify issues
• Report defects and track resolution lifecycle
• Test containerized applications and microservices
• Validate deployments in Kubernetes environments
• Work closely with developers, architects, and product teams
• Participate in sprint planning, reviews, and quality assessments
• Improve automation coverage and efficiency
• Define and track quality metrics Continuously enhance testing processes

Experience & Educational Requirements

Qualifications and Experience

EDUCATIONAL QUALIFICATIONS: (degree, training, or certification required)

• BE/B-Tech or equivalent with Computer Science or Electronics & Communication

RELEVANT EXPERIENCE: (no. of years of technical, functional, and/or leadership experience or specific exposure required)

• 3–7 years of experience in test automation and quality engineering
• Strong programming skills in Python, Java, or JavaScript
• Hands-on experience with automation tools:
• Selenium, Playwright, Cypress
• REST Assured (API automation)
• Experience in API testing, UI testing, and end-to-end automation
• Exposure to CI/CD tools (Jenkins, GitHub Actions, Azure DevOps)
• Experience testing cloud platforms (AWS, Azure, GCP, or private cloud)
• Strong understanding of networking fundamentals (TCP/IP, DNS, Load Balancing)
• Basic understanding of security testing (authentication, authorization, encryption)
• Hands-on experience with Docker and Kubernetes environments
• Experience in fully automated end-to-end portal testing and user scenarios