Department: Research & Development

Location: MEX-Juarez-Plant #2 P

Description

We are seeking a Senior Software Development Engineer in Test (Sr. SDET) with strong experience in Selenium-based automation and Python scripting. This role emphasizes a quality‑first testing approach, requiring thorough manual verification of test scenarios prior to automation to ensure accuracy, stability, and business correctness. The Sr. SDET will own automation strategy, execution, and continuous improvement while collaborating closely with development, product, and DevOps teams.

Key Responsibilities

- Perform manual verification of test scenarios to validate functionality, workflows, and edge cases prior to incorporating them into automation

- Design, develop, and maintain test automation solutions using Selenium (Python) and UFT, ensuring reliability and maintainability

- Establish and execute comprehensive test strategies covering functional, integration, regression, and end‑to‑end validation

- Identify, document, and prioritize high‑risk and high‑impact scenarios for automation based on business and technical considerations

- Collaborate with cross‑functional teams during requirements, design, and architecture reviews to ensure testability and adequate coverage

- Analyze defects and test failures, perform root‑cause analysis, and work with development teams to drive resolution

- Integrate automated tests into CI/CD pipelines and support continuous testing practices

- Maintain accurate documentation for test cases, manual validations, automation scope, and execution results

- Ensure adherence to quality standards, best practices, and team processes

- Provide technical guidance and mentorship to junior engineers on testing and automation practices

- Proactively identify gaps, risks,



and improvement opportunities within test coverage and automation strategy

Skills, Knowledge & Expertise

- Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent practical experience

- Advanced experience in test automation using Selenium (Python) and UFT within enterprise or large‑scale systems

- Strong background in manual test design and execution, with the ability to translate validated scenarios into reliable automation

- Experience testing complex workflows, transactional systems, or manufacturing / MES applications

- Hands‑on experience with API testing and data validation

- Familiarity with CI/CD pipelines and continuous testing practices

- Experience using version control systems (e.g., Git) and defect tracking tools

- Ability to analyze requirements and system designs to proactively identify test coverage gaps and risks

- Experience prioritizing automation efforts based on risk, execution frequency, and business impact

- Strong scripting, debugging, and problem‑solving skills

- Excellent communication skills and the ability to collaborate effectively with cross‑functional teams

Specific Language Requirements

Advanced English

Applicant Privacy Policy

Review our Applicant Privacy Policyfor additional information.

Equal Opportunity Statement

Align Technology is an equal opportunity employer. We are committed to providing equal employment opportunities in all our practices, without regard to race, color, religion, sex, national origin, ancestry, marital status, protected veteran status, age, disability, sexual orientation, gender identity or expression, or any other legally protected category. Applicants must be legally authorized to work in the country for which they are applying, and employment eligibility will be verified as a condition of hire.

📌 SQA Sr Software Developer in Test (Ciudad Juárez)
🏢 Align Technology
📍 Ciudad Juárez