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Senior Software Test Automation Engineer


Job Location:

Niwot, CO - USA

Yearly Salary: USD 84000 - 126000
Posted: 29 September 2026 (4 days ago)
Application Deadline: 27 December 2026
Vacancies: 1 Vacancy

Job Summary

Do you want to be part of a business that genuinely valuesentrepreneurialisminnovationandindividual accountability Wefocus on our customersand are proud of the difference our technology makes. We partner with some of the biggest manufacturing companies in the world and our technical innovations are used to enhance well-known brands across multiple industries.

Title Senior Software Test Automation Engineer

Department R&D

Location Niwot CO (Hybrid)

ReportsTo Software Test Manager

About Us

Established in 1972 Particle Measuring Systems is aglobal leaderformicro-contamination monitoringequipment improving the performance of clean manufactures in growing technology company in Niwot Colorado the heart of the Rocky offer an exceptional and rewarding work environment ina great placeto employees enjoy challenging projects in the development and manufacture of light scattering particle counters and diverse technologies and applications.

Your Impact

We are looking for aSenior Software Test Automation Engineerwho will contribute to the success of theR&DTeam applying theirexpertiseintest automation and systems-level testingto support the achievement of team and company goals and deliver innovative reliable this role the successful candidate will collaborate effectively with colleagues and cross-functional teamsdemonstratestrong problem-solving and decision-making skills andmaintaina commitment to professional excellencequalityand continuous improvement.

The Role

As a Senior Software Test Automation Engineer you will be a key contributor to a team of highly skilled engineers leading testing efforts for complex application software and embedded firmware across the product lifecycle. You will design and execute advanced test strategies for large features and systems develop and maintain robust automation frameworks and collaborate closely with developers and systems engineers to ensure comprehensive test coverage. This role involves tackling challenging technical problems driving defect resolution and enhancing test automation to support efficient high-quality software delivery.

Job Responsibilities

  • Lead and execute complex testing efforts across the software development lifecycle for application software and embedded systems ensuring high-quality releases.

  • Design develop and enhance advanced test automation frameworks that are scalable maintainable and aligned with evolving product needs (e.g. Java Python).

  • Plan and lead testing activities for large or complex features/projects including test scope definition risk identification and execution coordination.

  • Collaborate closely with cross-functional teams (software engineering systems product) to review requirements refine use cases and ensure robust test coverage and traceability.

  • Develop and execute comprehensive test suites (functional integration system and performance) both manual and automated for complex workflows and edge cases.

  • Troubleshoot and analyze complex defects perform root cause analysis and partner with developers to validate fixes and drive resolution.

  • Integrate and maintain automated tests within CI/CD pipelines improving reliability execution speed and feedback cycles.

  • Contribute to and uphold best practices in test automation coding standards and QA processes through code reviews and team collaboration.

  • Mentor and support less experienced engineers providing guidance on tools frameworks and effective testing approaches.

  • Evaluate and recommend improvements to tools frameworks and processes to enhance test efficiency and effectiveness.

  • Create and maintain clear detailed test documentation ensuring transparency and knowledge sharing across teams.

  • Participate actively in Agile events contributing technical insight on testing considerations risks and dependencies.

  • Continuously evaluate processes for improvements in efficiency quality and safety.

  • This job description is not intended to may evolve over time and other related duties may be assigned to meet the ongoing needs of the company.

Required Qualifications

  • A BS degree in Computer Science Software Engineering or equivalent.

  • At least 10 years experience as an Automation Software Test Engineer developing and executing automation software/firmware test scripts testing and tracking defects.

  • 3 years of professional experience may be substituted for MS degree in a relevant field.

  • Strong technical foundation in software development and test principles.

  • Experience with software test tools and processes including automation testing and defect tracking.

  • Expertise on test-driven development developing different levels of automated tests such as functional test integration test system test or performance test.

  • Experience developing and maintaining automated tests using Ranorex (strongly preferred).

  • Working experience with programming languages such as Java or Python.

  • Familiarity with IntelliJ IDEA or other integrated development environments (IDEs).

  • Strong analytical and problem-solving skills with strong attention to detail.

  • Clear oral and written communication skills especially technical writing.

  • Self-starter and capable of working effectively with minimal supervision.

Preferred Qualifications

  • Experience working within an Agile Development Environment is preferred.

  • Knowledge of Jira/Confluence is preferred.

Work Environment & Physical Requirements

  • This role primarilyoperatesin an office/lab/manufacturing environment.

  • Mustbe able to sit stand and use a computer for extended periods of time.

  • This is a hybrid position in-officeminimum 3 days per week.

  • Occasional lifting of up berequired.

  • Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of this role.

Compensation & Benefits

  • Competitive base salary range:$84000 - $126000 depending on experience

    • Our compensation philosophy:we offer competitive pay based on market data including local national and industry new hires offers aregenerally withinthe established min- to mid-point of the range for the role with flexibility to recognize experience skills and approach ensures fair pay internally whileremainingcompetitive externally and allows room for growth.

  • Comprehensive benefits package:

    • Health coverage: medical dental visionfsa onsite clinic (CO employees) life insurance

    • 401(k) retirement plan with company match

    • Vacation holiday and leave policies

    • Tuition reimbursement Employee recognition programs Employeeassistanceprograms

Particle Measuring Systems is proud to be an Equal Opportunity Employer and are committed to building an inclusive and supportive workplace where everyone can thrive

#LI-JC1


Required Experience:

Senior IC


About Company

Company Logo

Particle Measuring Systems provides contamination monitoring & control for clean manufactures such as pharmaceutical or semiconductor.

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