Liberty Mutual

Principal Test Engineer

Liberty Mutual$110K — $130K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Master's degree in Computer Science, Software Engineering, or related field
  • 8 years of experience for Bachelor's or 5 years for Master's in a Principal Test Engineer role
  • Proficiency in Java (8+) and TypeScript, with Node.js experience
  • Extensive knowledge in automated testing strategies across multiple stacks
  • Experience integrating automated tests into CI/CD pipelines
  • Skilled in using APM tools like Splunk and DataDog for performance troubleshooting
  • Familiarity with Agile and DevOps methodologies

Responsibilities

  • Lead development of system testing strategies and oversee QA across environments
  • Design and implement test engineering procedures and report on quality metrics
  • Champion shift-left testing practices to enhance code quality
  • Manage complex QA projects and coordinate cross-functional teams
  • Drive automation strategy and integrate tests into CI/CD pipelines
  • Conduct performance, load, and scalability testing to identify bottlenecks
  • Mentor QA engineers and improve team capabilities and knowledge sharing

Benefits

  • Telecommuting options allow for up to 60% remote work
  • Opportunities for professional growth and development
  • Collaboration with cross-functional teams in a major tech stack
  • Flexible work environment with potential for domestic travel up to 10%
  • Participation in significant projects impacting wider development processes
Full Job Description
Description
Duties:  Lead development of system testing strategies, test plans, test cases and test conditions and oversee testing across multiple environments and enforce QA standards and best practices.Design, enhance and institutionalize test engineering procedures and standards; define, implement and report on test metrics to measure application quality and delivery risk.Champion shift-left testing practices (TDD/BDD, white-box/gray-box testing, code coverage, static analysis, service virtualization) to detect defects earlier and improve code quality. Lead and manage complex projects and subprojects: create project plans, assign tasks, estimate effort, manage QA activities to plan and coordinate cross-functional teams in onsite–offshore delivery models. Drive automation strategy and implementation across Java and TypeScript stacks; integrate automated tests (unit, API, end-to-end, regression, smoke) into CI/CD pipelines and pipeline gating. Own performance, load and scalability testing initiatives and perform holistic system-level analysis to identify bottlenecks and remediation actions. Establish and manage test data management, environment virtualization and security testing initiatives to support reliable and repeatable testing across sprints. Lead defect triage processes and collaborate with development and product teams to prioritize and resolve issues. Provide expert guidance on testing systems, processes and methodologies to clients, IT management and project teams throughout the full project lifecycle. Mentor and coach QA engineers; build team capabilities, promote knowledge sharing and improve technical depth across teams. Communicate test progress, quality status, risks and metrics regularly to senior stakeholders and product owners; prepare stakeholder presentations and status reports. Position requires domestic travel up to 10%. Telecommuting permitted up to 60%. Requirements:  Employer will accept a Bachelor’s degree (or foreign equivalent) in Computer Science, Software Engineering or related field and eight (8) years of experience in the job offered or in a Principal Test Engineer-related occupation. Alternatively, employer will accept a Master’s degree (or foreign equivalent) in Computer Science, Software Engineering or related field and five (5) years of experience in the job offered or in a Principal Test Engineer-related occupation. Position requires demonstrable experience in the following:1. Programming in Java (Java 8+) and TypeScript and experience with Node.js runtime and ecosystem. 2. Designing and implementing automated testing strategies across Java and TypeScript stacks, including unit, integration, API, end-to-end, regression and UAT. 3. Utilizing TypeScript, JavaScript, and Java test frameworks and tools. 4. Automating API and service tests. 5. Integrating automated tests into CI/CD pipelines using GitHub Actions. 6. Experience with build and deploy automation and pipeline gating. 7. Utilizing APM tooling including Splunk and DataDog to support testdriven performance troubleshooting. 8. Testing management and collaboration tools such as JIRA, Confluence and Git-based source control including GitHub or equivalent. 9. Mentoring and coaching junior engineers through defining QA processes and metrics and communicating testing status and risk to technical and non-technical stakeholders. 10. Working effectively in Agile and DevOps teams to drive shift-left testing practices including TDD and BDD, white-box and gray-box testing, code coverage and static analysis. Experience may be gained during graduate program. Will accept any suitable combination of education, training, and/or experience. Multiple Positions Available.  REFER TO: To apply, please visit https://jobs.libertymutualgroup.com/, select “Search Jobs,” enter job requisition #2026-XXXXX in the “Job ID or Keywords” field, and submit resume. Alternatively, you may apply by submitting a resume via e-mail to [redacted]. Reference requisition number in subject of e-mail.Qualifications
Duties:  Lead development of system testing strategies, test plans, test cases and test conditions and oversee testing across multiple environments and enforce QA standards and best practices.Design, enhance and institutionalize test engineering procedures and standards; define, implement and report on test metrics to measure application quality and delivery risk.Champion shift-left testing practices (TDD/BDD, white-box/gray-box testing, code coverage, static analysis, service virtualization) to detect defects earlier and improve code quality. Lead and manage complex projects and subprojects: create project plans, assign tasks, estimate effort, manage QA activities to plan and coordinate cross-functional teams in onsite–offshore delivery models. Drive automation strategy and implementation across Java and TypeScript stacks; integrate automated tests (unit, API, end-to-end, regression, smoke) into CI/CD pipelines and pipeline gating. Own performance, load and scalability testing initiatives and perform holistic system-level analysis to identify bottlenecks and remediation actions. Establish and manage test data management, environment virtualization and security testing initiatives to support reliable and repeatable testing across sprints. Lead defect triage processes and collaborate with development and product teams to prioritize and resolve issues. Provide expert guidance on testing systems, processes and methodologies to clients, IT management and project teams throughout the full project lifecycle. Mentor and coach QA engineers; build team capabilities, promote knowledge sharing and improve technical depth across teams. Communicate test progress, quality status, risks and metrics regularly to senior stakeholders and product owners; prepare stakeholder presentations and status reports. Position requires domestic travel up to 10%. Telecommuting permitted up to 60%. Requirements:  Employer will accept a Bachelor’s degree (or foreign equivalent) in Computer Science, Software Engineering or related field and eight (8) years of experience in the job offered or in a Principal Test Engineer-related occupation. Alternatively, employer will accept a Master’s degree (or foreign equivalent) in Computer Science, Software Engineering or related field and five (5) years of experience in the job offered or in a Principal Test Engineer-related occupation. Position requires demonstrable experience in the following:1. Programming in Java (Java 8+) and TypeScript and experience with Node.js runtime and ecosystem. 2. Designing and implementing automated testing strategies across Java and TypeScript stacks, including unit, integration, API, end-to-end, regression and UAT. 3. Utilizing TypeScript, JavaScript, and Java test frameworks and tools. 4. Automating API and service tests. 5. Integrating automated tests into CI/CD pipelines using GitHub Actions. 6. Experience with build and deploy automation and pipeline gating. 7. Utilizing APM tooling including Splunk and DataDog to support testdriven performance troubleshooting. 8. Testing management and collaboration tools such as JIRA, Confluence and Git-based source control including GitHub or equivalent. 9. Mentoring and coaching junior engineers through defining QA processes and metrics and communicating testing status and risk to technical and non-technical stakeholders. 10. Working effectively in Agile and DevOps teams to drive shift-left testing practices including TDD and BDD, white-box and gray-box testing, code coverage and static analysis. Experience may be gained during graduate program. Will accept any suitable combination of education, training, and/or experience. Multiple Positions Available.  REFER TO: To apply, please visit https://jobs.libertymutualgroup.com/, select “Search Jobs,” enter job requisition #2026-XXXXX in the “Job ID or Keywords” field, and submit resume. Alternatively, you may apply by submitting a resume via e-mail to [redacted]. Reference requisition number in subject of e-mail.

About Liberty Mutual

Since 1912, Liberty Mutual Insurance have committed theirselves to providing broad, useful and competitively-priced insurance products and services to meet their customers' ever-changing needs. Their delivery on this commitment is the reason they're now the third largest property and casualty insurer in the U.S. based on 2012 direct premium written according to the National Association of Insurance Commissioners.

Liberty Mutual Careers

Join the vibrant team at Liberty Mutual, a leading global insurance company, where your career is in your hands. At Liberty Mutual, we are committed to fostering an inclusive culture that values diversity and innovation. With a variety of job opportunities across multiple fields, this is where your professional journey can truly flourish.

Work You’ll Do

At Liberty Mutual, you’ll be part of a team that’s dedicated to empowering people to live safer, more secure lives. Whether you’re interested in a position in claims handling, underwriting, or customer service, you’ll find a platform here to enhance your skills and push the boundaries of what you can achieve.

Explore Our Job Opportunities

Liberty Mutual offers a range of career paths for both seasoned professionals and those just starting out. Our internship programs provide invaluable hands-on experience, helping to bridge the gap between education and full-time employment. For those seeking to grow their career, we offer positions that challenge and inspire, backed by benefits that support both professional and personal growth.

Innovate with Us

Innovation is at the heart of Liberty Mutual. We encourage our team to bring fresh ideas that drive industry leadership and improve customer experiences. By joining our team, you’ll collaborate with talented professionals who are keen on developing solutions that lead the market.

Develop Your Career

Liberty Mutual is deeply invested in the professional development of its employees. With comprehensive diversity training and leadership programs, we prepare you to take on leadership roles within the company. Networking opportunities within the company can lead to mentorship and further career advancement.

Benefits of Joining Liberty Mutual

Working at Liberty Mutual comes with numerous benefits. From competitive salaries to health and wellness programs, we ensure our team members are well taken care of. More than just a job, a position at Liberty Mutual is a stepping stone to a fulfilling career.

Join Our Team

Ready to take the next step in your career? Explore the job opportunities at Liberty Mutual. We are actively hiring and looking for individuals who are passionate, curious, and ready to drive change. Enhance your resume, prepare for your interview, and become part of a company that values your unique skills and vision.

Stay Connected

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Liberty Mutual: A Place to Grow, Innovate, and Lead

Discover how you can make a difference. Visit our careers page to find the position that’s right for you and join a team that’s committed to growth, leadership, and innovation. At Liberty Mutual, your career is what you make it.
Learn more about Liberty Mutual
Size
45,000 employees
Industry
Founded
1912

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