Senior Software Test Automation Engineer (Python & AI)

Career Area:

Job Description:

Your Work Shapes the World at Caterpillar Inc.

When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other.  We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.

Join Solar Turbines!

As a Senior Software Test Automation Engineer, you will contribute to quality assurance of software systems and/or applications to deliver information technology components based on client or customer requirements.

What will be your tasks?

We are seeking a Senior Software Test Automation Engineer who will lead the design, development, and optimization of our automated testing ecosystem in Solar Digital. In this role, you will drive quality strategy with impact to architectural decisions, mentor other test engineers, and ensure our systems meet high standards of reliability, performance, and scalability.

You will closely cooperate with system architects, cybersecurity, DevOps and agile teams to ensure seamless integration of quality into the development lifecycle process.

Your daily tasks will include:

• Analyzing functional and non-functional requirements, designing test scenarios and developing test automation suites as part of CI/CD, preparing test data
• Executing tests, including load, scalability, and security scenarios, and reporting test results including bugs.
• Refining acceptance criteria, building test strategies, and risk assessment in collaboration with test engineers, product, and development teams.
• Designing, maintaining, and optimizing automated testing frameworks mainly for frontend and backend (REST API, AWS services…) test automation.
• Developing test strategies for AI or ML based solutions.
• Introducing and evaluating modern testing technologies, frameworks, including AI-driven testing and automation tools.
• Following, improving, and defining testing standards, best practices, and automation patterns.
• Conducting code reviews and defining coding standards.
• Leading technical investigations and driving improvements for test stability, execution speed, and system quality.
• Mentoring and coaching test engineers, developers, and cross functional partners on automation and quality practices,
• Conducting test plan reviews, and technical workshops.
• Performing other job duties assigned by the management.

Who are we looking for?

Basic qualifications:

• 5+ years of experience in test automation, with deep hands-on expertise in modern test automation frameworks.
• Strong coding skills, preferred python, and ability to apply OOP principles.
• Understanding AI/ML fundamentals, types of ML, differences in AI testing vs. traditional testing, and non-deterministic behavior.
• Strong understanding and experience with testing of REST APIs.
• Strong understanding of microservices, and cloud-native architecture.
• Proficiency with version control systems (Git), understanding branching/versioning strategies.
• Experience with CI/CD.
• Ability to troubleshoot complex issues across the stack.
• Knowledge of performance testing concepts and tools (JMeter, k6).
• Experience with cloud platforms (AWS preferred), considering system and infrastructure aspects. into effective test design to mimic realistic scenarios from an end user perspective.
• Strong communication skills and ability to influence technical and non‑technical stakeholders.
• Proactive, curious, passionate, and flexible team member.
• Understanding the agile methodology.
• Fluent in English.

Top candidates will also have:

• Experience with containerization (Docker).
• Obtained AI related certifications, e.g. ISTQB Certified Tester - AI Testing (CT-AI).
• Experience with mobile testing (Android / iOS, native or hybrid).
• Experience with Apigee, other API gateways.
• Understanding and experience with testing GraphQL.
• Experience with security testing (OWASP standards, penetration testing).
• Leadership mindset with the ability to mentor others and drive quality initiatives or automation transformation projects.
• Familiarity with AI-powered testing, self-healing test tools, or GenAI-assisted QA workflows.

Base Minimum Pay:

Please note that salary is only one component of the total compensation and benefit package available at Caterpillar.

Posting Dates:

Caterpillar is an Equal Opportunity Employer.  Qualified applicants of any age are encouraged to apply.

Not ready to apply? Join our Talent Community.