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Senior Software Test Engineer Jobs in Colorado (NOW HIRING)

Centil

Software Test Engineer

Lafayette, CO · On-site

$100K - $140K/yr

About the role This opening is for a Software Test Engineer to support the design, development and ... senior leaders. Ability to explain technical concepts clearly to non-technical personnel * Self ...

asrcfh

Software Test Engineer

Colorado Springs, CO

Join a Team Supporting Critical Space Operations ASRC Federal Space & Defense is seeking a Software Test Engineer to support the U.S. Space Force's Critical Satellite Communications (C-SAR) mission ...

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All JobsSoftware Test Engineer JobsSenior Software Test Engineer JobsSenior Software Test Engineer Jobs in Colorado

Senior Software Test Engineer information

See Colorado salary details

$23.7K

$132K

$171.9K

How much do senior software test engineer jobs pay per year?

As of Jul 22, 2026, the average yearly pay for senior software test engineer in Colorado is $132,029.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,200.00 and $150,900.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Software Test Engineer, and why are they important?

A Senior Software Test Engineer needs deep expertise in software testing methodologies, automation frameworks, and programming languages like Java, Python, or C#, typically backed by a degree in computer science or related field. Familiarity with tools such as Selenium, JUnit, TestNG, and bug-tracking systems like Jira, as well as certifications like ISTQB, is highly valuable. Strong problem-solving abilities, attention to detail, and effective communication skills enable collaboration and leadership within QA and development teams. These competencies are crucial to ensuring software quality, minimizing defects, and delivering reliable products in complex technical environments.

What are the typical collaboration points between a Senior Software Test Engineer and other teams during a project lifecycle?

Senior Software Test Engineers frequently collaborate with developers, product managers, and DevOps engineers throughout the project lifecycle. Early in the process, they work closely with developers to understand requirements and clarify acceptance criteria. During development, they coordinate on bug tracking and test coverage, and participate in sprint planning or daily stand-ups. They also interact with DevOps to integrate automated tests within CI/CD pipelines, ensuring smooth deployment and feedback cycles. This cross-functional collaboration is essential for delivering high-quality software efficiently.

What is the difference between Senior Software Test Engineer vs Software Test Engineer?

AspectSenior Software Test EngineerSoftware Test Engineer
CredentialsTypically requires 5+ years of experience, certifications like ISTQBEntry to mid-level, often with 1-3 years of experience, similar certifications
Work EnvironmentLeads testing projects, mentors junior staff, designs test strategiesPerforms test execution, reports bugs, follows test plans
Industry UsageUsed across software development companies, especially in larger teamsCommon in various tech companies, startups, and software firms

The main difference between a Senior Software Test Engineer and a Software Test Engineer lies in experience, responsibilities, and leadership. Senior roles involve strategic planning, mentorship, and complex testing, while Software Test Engineers focus on executing tests and reporting issues. Both roles are essential in ensuring software quality, with the senior position requiring more expertise and leadership skills.

What does a Senior Software Test Engineer do?

A Senior Software Test Engineer is responsible for designing, developing, and executing comprehensive test plans to ensure the quality and functionality of software products. They lead testing efforts, identify defects, and work closely with development teams to resolve issues. In addition, they may mentor junior testers, implement automation frameworks, and help define testing standards and best practices within the organization. Their goal is to ensure software reliability, performance, and user satisfaction before release.
What cities in Colorado are hiring for Senior Software Test Engineer jobs? Cities in Colorado with the most Senior Software Test Engineer job openings:
Infographic showing various Senior Software Test Engineer job openings in Colorado as of July 2026, with employment types broken down into 92% Full Time, 4% Part Time, and 4% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $132,029 per year, or $63.5 per hour.
Senior Software Test Automation Engineer

Senior Software Test Automation Engineer

Particle Measuring Systems

Niwot, CO • On-site

$124K - $161K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 22 days ago

Job description

Do you want to be part of a business that genuinely values entrepreneurialism, innovation and individual accountability? We focus on our customers and 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)
Reports To Software Test Manager
About Us
Established in 1972, Particle Measuring Systems is a global leader for micro-contamination monitoring equipment improving the performance of clean manufactures in the semiconductor and pharmaceutical industries. We're a growing technology company in Niwot, Colorado, the heart of the Rocky Mountains. We offer an exceptional and rewarding work environment in a great place to live. Our 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 a Senior Software Test Automation Engineer who will contribute to the success of the R&D Team, applying their expertise in test automation and systems-level testing to support the achievement of team and company goals and deliver innovative, reliable solutions. In this role, the successful candidate will collaborate effectively with colleagues and cross-functional teams, demonstrate strong problem-solving and decision-making skills, and maintain a commitment to professional excellence, quality and 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 be all-inclusive. Responsibilities 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 primarily operates in an office/lab/manufacturing environment.
  • Must be able to sit, stand, and use a computer for extended periods of time.
  • This is a hybrid position, "in-office" minimum 3 days per week.
  • Occasional lifting of up to 20 lbs. may be required.
  • Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of this role.

Compensation & Benefits
  • Competitive base salary range: $100,000 - $140,000 depending on experience
    • Our compensation philosophy: we offer competitive pay based on market data, including local, national, and industry benchmarks. For new hires, offers are generally within the established min- to mid-point of the range for the role, with flexibility to recognize experience, skills, and education. Our approach ensures fair pay internally while remaining competitive externally and allows room for growth.
  • Comprehensive benefits package:
    • Health coverage: medical, dental, vision, fsa, onsite clinic (CO employees), life insurance
    • 401(k) retirement plan with company match
    • Vacation, holiday, and leave policies
    • Tuition reimbursement, Employee recognition programs, Employee assistance programs

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
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