Title: Software Development Engineer in Test (SDET), Storage/FileSystems Location: Santa Clara, CA - USA (Office) Work Type: Hybrid, Full Time Job ID: R02604 Job Description: Interested candidates based outside of the designated areas are welcome to apply, provided they have the indefinite right to work in the job location. Cohesity is a leader in AI-powered data security and management. Aided by an extensive ecosystem of partners, Cohesity makes it easy to secure, protect, manage, and get value from data — across the data center, edge, and cloud. Cohesity helps organizations defend against cybersecurity threats with comprehensive data security and management capabilities, including immutable backup snapshots, AI-based threat detection, monitoring for malicious behavior, and rapid recovery at scale. We’ve been named a Leader by multiple analyst firms and have been globally recognized for Innovation, Product Strength, and Simplicity in Design. Join us on our mission to shape the future of our industry. PLEASE NOTE the following requirements for this position: - A commitment to work onsite in office 2-3 days per week (hybrid) out of Santa Clara, CA - Strong experience with NAS storage protocols like SMB/S3 & NFS - Programming experience with Pytest (ideally), Go, Python, and/or Bash - Domain experience working in distributed systems, the storage stack, and file system internals - Experience with testing tools like fio, fsct, vdbench, dd, specFS, and/or virtana HOW YOU’LL SPEND YOUR TIME HERE - Own product areas and lead the test effort focused in storage, data path, file system & Cloud components. - Work with the engineering team during the feature design and implementation phases to develop: - the test methodology (designing the test approach) to test the feature end-to-end. - test plans. - Collaborate with other testing members, developers, technical writers, and customer solutions engineers to ensure the company delivers high quality products to our customers. - Execute multiple iterations of the test plan by running manual and automated test cases. - Analyze failures and root cause issues, file defects, follow up with developers, documentation and other teams on the resolution. - Automate test cases. - Monitor and manage the continuous integration environment. - Mentor team members. WE’D LOVE TO TALK WITH YOU IF YOU HAVE MANY OF THE FOLLOWING: - 6+ years of software testing experience with large-scale distributed systems - Experience with NAS storage protocols like SMB, NFS, S3, iSCSI, and CIFs - Programming experience in Pytest (ideally), go, Python, and/or bash - Technical proficiency with the storage stack, file system internals, and testing tools like fio, fsct, vdbench, dd, specFs, virtana, etc. - Strong understanding of distributed systems, including databases, storage, map-reduce frameworks, etc. - Troubleshooting skills spanning multiple software and hardware components, including storage systems and kernels - Possess good understanding of QA methodologies and processes. - Strong test planning ability with understanding of enterprise storage workflows. - Ability to take up variety of roles in a startup environment. - Excellent troubleshooting abilities spanning multiple software and hardware components (such as switches, storage systems, kernels). - Good knowledge of storage stack, file system internals and testing tools like fio, fsct, vdbench, dd, specFs etc. - Demonstrated ability to implement AI-driven solutions to improve business processes and operational efficienc Disclosure Pursuant to Applicable State Equal Pay Transparency Laws - This position has a starting pay range as listed below. Actual salary depends upon many factors, including a candidate’s skills, qualifications and experience, location, and salary expectations, and therefore a starting salary at the low end, high end, or even above the stated range may be offered. This position may also be eligible for bonus compensation, commission (if in a sales function), and/or equity grants. Additionally, full-time employees are eligible to participate in our comprehensive benefits framework, including health and wellness benefits, vacation, paid holidays and refresh days, 401(k) retirement plan, life and disability insurance coverages, and other benefits the Company may offer from time to time Pay Range : $164,250.00-$182,500.00 The compensation noted above is based on an annualized hourly rate assuming normal full-time employment. Cohesity is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, creed, religion, sex, sexual orientation, national origin or nationality, ancestry, age, disability, gender identity or expression, marital status, veteran status or any other category protected by law. In-Office Expectations Cohesity employees who are within a reasonable commute (e.g. within a forty-five (45) minute average travel time) work out of our core offices 2-3 days a week of their choosing.

• Support quality control of functional or cross-functional systems in line with Parexel's strategies • Manage selection/creation of relevant testing scenarios • Conduct Software Quality reviews of functional requirements • Write and execute functional & non-functional test plans/cases within an agile environment • Test software to ensure compliance with SOPs, regulatory requirements • Create test cases, traceability records, and regression test packs • Analyze bugs and errors, document the results, and track defects • Collaborate with stakeholders to report on progress and system quality

• Design and execute test cases for ETL pipelines moving data into and out of MongoDB and Azure data services • Validate data accuracy, completeness, and transformation logic from source systems through to Power BI dashboards • Build and maintain automated test frameworks for UI, API, and data layer testing • Write MongoDB aggregation queries and SQL to verify data integrity and reconciliation • Test Power BI reports and dashboards for data correctness, calculation logic, and refresh reliability • Validate Azure Data Factory pipelines, Azure Functions, and related data workflows • Integrate automated tests into CI/CD pipelines (Azure DevOps, GitHub Actions) • Collaborate with data engineers, BI developers, and product teams on test strategy • Identify, document, and track defects through resolution

• Champion the adoption of AI-powered testing tools and practices across the QA Guild • Identify gaps in current QA processes and introduce AI-driven solutions • Run workshops, lunch-and-learns, and knowledge-sharing sessions • Serve as the internal subject matter expert on AI quality standards • Collaborate with QA leads, engineering managers, and product teams • Design and maintain evaluation (Evals) frameworks • Build automated validation pipelines for LLM outputs • Validate RAG architectures • Test multi-agent orchestration workflows • Create synthetic and benchmark datasets for AI testing scenarios • Develop and maintain scalable UI and API automation frameworks • Automate testing across various architectures • Build reusable automation libraries and utilities • Validate AI agents built on various platforms • Monitor AI system behavior using observability tools • Perform cloud-based testing and deployments across major cloud platforms