QA Automation Engineer - Object Storage

Key Responsibilities - Test Automation & Quality 

• Design, build, and maintain automated test coverage for ActiveScale object storage features across S3, data-path, durability, and data-movement functionality. 

• Develop component, integration, system, regression, and failure-injection tests that validate correctness and reliability at scale. 

• Integrate automated tests into CI pipelines and improve test reliability, execution time, diagnostics, and reporting. 

• Own the team's automated test strategy and work with developers to define coverage and acceptance criteria early in the development cycle. 

• Investigate failures, reproduce complex issues, and help isolate defects across distributed system components. 

Object Storage & Resilience Testing 

• Validate S3 API behavior, compatibility, error handling, and data integrity using AWS S3 SDKs, tools, and automated test frameworks. 

• Develop automated coverage for failure scenarios such as node loss, disk faults, partial writes, network disruption, and recovery. 

• Test data placement, erasure coding, tiering, and movement of data across NVMe, HDD, and tape where applicable. 

• Contribute to performance, scalability, and long-running reliability testing of the I/O pipeline. 

Engineering 

• Write clean, maintainable automation code and build reusable test infrastructure that supports functional, resilience, and failure testing. 

• Participate in design reviews, code reviews, defect triage, and release readiness activities. 

• Partner closely with developers and the Software Engineering Manager / Product Owner to identify quality risks and ensure appropriate coverage. 

Required Qualifications 

• 5+ years of software quality engineering, test automation, or software development experience, with strong programming or scripting skills in Python, Go, C/C++, or similar languages. 

• Strong experience building and maintaining automated tests for complex software systems. 

• Hands-on experience using AI-assisted development tools to create, extend, debug, or maintain test automation, with the ability to critically review generated code and test results. 

• Solid Linux fundamentals, including debugging, log analysis, and troubleshooting. 

• Experience testing APIs and distributed or networked systems. 

• Understanding of concurrency, failure handling, and data integrity concepts. 

• Experience with CI systems and source control. 

• Good communication skills and ability to work effectively with developers and remote colleagues. 

• This is a hybrid role, with in-office work at our Centennial, CO office Tuesday through Thursday. 

Preferred / Nice-to-Have Skills 

• Experience with object storage and the Amazon S3 API, SDKs, and tools. 

• Experience testing storage systems or storage media such as HDD, SSD, NVMe, or tape. 

• Experience with failure injection, resiliency testing, performance testing, or large-scale system testing. 

• Knowledge of erasure coding principles. 

Quantum provides a diverse portfolio of health plans for medical and prescription, dental, vision, life, disability, and supplemental medical insurance options. We also support our team members' efforts to develop and maintain a healthy lifestyle through reimbursement and educational programs. Quantum offers a company-matched 401(k) plan to help employees save for retirement in a tax-advantaged way. We also have an Employee Stock Purchase Program for purchasing Quantum stock at a discounted rate. 

Anticipated Salary Range: $110,000 to $150,000 for qualified applicants. 

The above pay range represents Quantum's good faith and reasonable estimate of possible compensation at the time of posting. Pay within the range will be based on a variety of factors, including but not limited to, relevant experience, knowledge/education, skills/abilities, internal equity, and budgetary considerations.