Senior Test Automation Engineer

Capgemini
Capgemini

Software Engineering, Quality Assurance

Aguascalientes, Mexico

Posted on Jun 16, 2026

Senior Test Automation Engineer

Title: Senior Test Automation Engineer

Capgemini

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Rol

  • Building frameworks from scratch
  • Defining testing strategy and standards
  • Driving architecture-level performance improvements
  • Ensuring systems are scalable, resilient, and production-ready
  • Tool selection (Gatling, JMeter, Locust)
  • Framework design and reusable components
  • Execution pipelines and environments
  • Standardized reporting models
  • Create performance test strategies
  • Design realistic workload models based on:
  • Production traffic patterns
  • User behavior analytics
  • Peak vs. off-peak scenarios

Profile

  • A critical part of the role is understanding:
  • Microservices architecture
  • Service dependencies
  • API communication flows
  • You will identify:
  • Critical APIs
  • Bottlenecks
  • High-risk transaction paths
  • Develop performance scripts using:
  • Gatling (Scala/Java) → high-performance & preferred
  • JMeter / Locust → flexible but less modern

Focus is on:

  • Reusability
  • Scalability
  • Data-driven testing
  • Python is heavily used for:
  • Automation and orchestration
  • Custom test tooling
  • Data setup and cleanup
  • Integration with pipelines and APIs
  • In this role, Python is not optional — it's part of daily work.

You will analyze:

  • Latency issues
  • CPU/memory usage
  • Database performance
  • Network delays
  • Optimize database queries
  • Improve caching strategies
  • Refactor inefficient APIs
  • Tune infrastructure scaling rules
  • Azure DevOps
  • Jenkins
  • GitHub Actions
  • App Services
  • Azure Kubernetes Service (AKS)
  • Azure Functions

What you’ll love

Persona driven PVP proof points GloCal elements displaying PVP proof points

Empowered Careers with Purpose

Work on meaningful projects that use technology to solve real-world

challenges.

Be part of a company that values sustainability, inclusion, and digital equity.

About Capgemini

Capgemini (Footer)

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

At Capgemini Mexico, we aim to attract the best talent and are committed to creating a diverse and inclusive work environment, so there is no discrimination based on race, sex, sexual orientation, gender identity or expression, or any other characteristic of a person. All applications welcome and will be considered based on merit against the job and/or experience for the position.

Job Description

As Test Automation Engineer, you are involved in the automated verification and validation of products made by engineers in a development process. Your technical and professional knowledge of Test Automation, programming, test environments and methodologies is solid. With your knowledge and experience with one or more test tools and test techniques, you can independently design and execute test automation solutions. You follow the latest developments in your field and you know what is going on.

Job Description - Grade Specific

As a QA Automation Expert, you are expected to develop automation solutions, create tools strategy, create automation approach, evaluate tools, perform technical feasibility, build business cases ROI and estimate automation effort. You are expected to implement automation solutions in different projects and deliver costoreffort savings to customer. You are expected to work independently, if required, to provide consultancy services to customers.
Ref. code: 500682
Posted on: Jun 15, 2026
Experience Level: Experienced Professionals
Contract Type: Permanent
Location:

Aguascalientes, MX

Brand: Capgemini
Professional Community: Quality Engineering & Testing