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QA Automation Testing Engineer

Los Angeles, CA

 About Re:Build Manufacturing

Re:Build Manufacturing is a growing family of industrial and engineering businesses combining enabling technologies, operational superiority, and strategic M&A to build America’s next generation industrial company. At Re:Build we deploy deep expertise in engineering, operations management, and technology to supercharge the performance of our member companies. We leverage deep professional expertise and a candid, principled operating culture to drive differentiated outcomes. Ours is a fast-paced environment where individuals can stretch and be challenged to pursue their fullest potential.

Re:Build was founded to pioneer a profitable model for the revitalization of US manufacturing. We’ve assembled a powerful set of complimentary capabilities and lines of business that enable us to pursue a wide range of end markets. Our acquired businesses are grounded in build-to-print and by-the-hour engineering and design services, and we’re leveraging their combined expertise to migrate to increasingly sophisticated program development and production, as well as the generation of our own products. Our unique set of capabilities lend themselves to highly complex systems and products, and we offer customers a range of services including product and systems design, automation, fabrication, assembly, and large volume contract manufacturing. Our customers span a wide array of industries including aerospace, defense, mobility, healthcare, pharma, biotech, clean tech, chemicals, energy, lifestyle, food production, and industrial equipment.

Who we are looking for

The QA Automation Testing Engineer owns product quality through an automation-first approach. This role is responsible for translating product and technical requirements into scalable automation strategies, designing and maintaining robust automated test suites for critical user flows and APIs, and integrating those suites into CI/CD pipelines to deliver fast, reliable signals on release readiness.

Automation is the primary lever for quality in this role. Manual and exploratory testing are performed selectively and intentionally, only where automation is not practical or where additional insight is required. In close partnership with engineering and product teams, the Automation Testing Engineer continuously improves automation coverage, reliability, and execution efficiency to enable predictable, high-quality releases.

Re:Build Compensation Philosophy

  • The base salary range for this role is $95,000–$143,000. Compensation is determined based on relevant experience, skills, job-related qualifications, and geographic location.
  • Performance-based bonus eligibility for all employees
  • Annual Re:Build incentive stock awards
  • Competitive, comprehensive benefits plan

The Opportunity

  • Exciting opportunity to work in a multi-site, high-tech manufacturing and technology conglomerate
  • Impactful role with significant autonomy and variety
  • Investor-backed organization supporting long-term growth
  • Competitive financial rewards
  • Substantial learning opportunities and the potential to take on expanded responsibilities over time

What you get to do!

  • Design, build, and maintain automation-first test strategies aligned to product and technical requirements
  • Develop and complete automated test suites across web applications, APIs, and AI-powered user interfaces
  • Implement test automation using Playwright and Python, ensuring coverage of functional, performance, and reliability requirements
  • Integrate automated tests into CI/CD pipelines to provide actionable quality signals and release readiness indicators
  • Perform targeted manual and exploratory testing when automation is not sufficient or cost-effective
  • Identify, document, and track defects, partnering closely with engineering and product teams to ensure timely resolution
  • Validate backend integrations, data workflows, and system behavior across AWS-hosted services and internal platforms
  • Implement and maintain automated regression coverage to support stable, predictable release cycles
  • Conduct performance and load testing using tools such as Locust to assess scalability and responsiveness
  • Continuously improve automation frameworks, tooling, and QA processes through adoption of guidelines
  • Adhere to company software standards and quality procedures
  • Work in alignment with The Re:Build Way

What you bring to the Team

Automation & Testing Experience

  • 3+ years of professional experience in automation testing or QA automation
  • Proven ownership of automated test coverage and quality outcomes in production environments
  • Strong experience translating requirements into automation-first testing strategies

Tools & Technologies

  • Hands-on experience with Playwright for automated web testing
  • Proficiency in Python for test automation, scripting, and validation
  • Experience automating tests for web applications, APIs, and backend integrations
  • Experience integrating automation into CI/CD pipelines

Performance & Cloud

  • Experience with Locust or similar tools for automated performance and load testing
  • Experience with AWS and cloud-based application testing

Quality Engineering & Collaboration

  • Strong experience writing and maintaining automated regression suites
  • Strong debugging, analytical, and problem-solving skills
  • Excellent written and verbal communication skills
  • Ability to collaborate effectively with engineering, product, and DevOps teams
  • Experience guiding or mentoring other QA or automation engineers

Additional Requirements

  • Fluency in written and spoken English
  • Willingness to travel as needed
  • Ability to pass a background check
  • Location Requirement: Due to business and collaboration requirements, this role requires residency in either the Los Angeles, CA or Seattle, WA metropolitan areas.

Preferred / Nice-to-Have Qualifications

  • Experience automating Microsoft authentication workflows, including MSAL, Azure AD / Entra ID, or Microsoft-hosted applications
  • Experience testing or automating AI-powered user interfaces or data-driven systems
  • Deep experience optimizing CI/CD automation pipelines and test execution performance
  • Experience defining or improving automation standards, protocols, or quality metrics
  • Prior experience in SaaS or cloud-native product environments

Personal Attributes

  • Strong sense of ownership and accountability for automation quality
  • Proactive and vocal in identifying risks and advocating for automation improvements
  • Comfortable operating in fast-paced environments with shifting priorities
  • Highly analytical with the ability to identify root causes and propose actionable solutions
  • Data-driven approach, using metrics and trends to drive continuous improvement
  • Highly organized, meticulous, and able to manage multiple testing streams
  • Collaborative team player who contributes positively across functions
  • Adaptable and eager to learn new tools, technologies, and domains

The BIG payoff

We are a company who is going to make a difference in the industries and the communities in which we choose to operate.

Every employee of Re:Build will share ownership in the company and will share in the financial rewards of the success we achieve together, at all levels of the company!

We want to work with people that reflect the communities in which we operate

Re:Build Manufacturing is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, marital status, parental status, cultural background, organizational level, work styles, tenure and life experiences. Or for any other reason.

Re:Build is committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or an accommodation due to a disability, you may contact us at accommodations.ta@ReBuildmanufacturing.com or you may call us at 617.909.6275.

 

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