Senior Data Analyst

Company Description

Guardant Health is a leading precision oncology company focused on guarding wellness and giving every person more time free from cancer. Founded in 2012, Guardant® is transforming patient care and accelerating new cancer therapies by providing critical insights into what drives disease through its advanced blood and tissue tests, real-world data and AI analytics. Guardant tests help improve outcomes across all stages of care, including screening to find cancer early, monitoring for recurrence in early-stage cancer, and treatment selection for patients with advanced cancer. For more information, visit guardanthealth.com and follow the company on LinkedIn, X (Twitter) and Facebook.

We are seeking a Senior Data Analyst with strong expertise in SQL and data validation to ensure the accuracy, consistency, and reliability of enterprise data. The ideal candidate will collaborate closely with Data Engineers, Business Analysts, BI teams, and business stakeholders to validate data pipelines, ETL processes, semantic models, and Tableau dashboards. This role requires a strong analytical mindset, the ability to investigate data issues, perform root cause analysis, and ensure business metrics are accurate and reliable. The candidate is also expected to mentor and guide junior analysts by sharing best practices, and providing technical direction, while remaining an individual contributor. Experience using AI tools to improve productivity and analysis is also expected.

Work Shift

MN 5x8 – Night/3rd shift (approximately 2:00 PM to 10:30 PM)

Must-Have Skills

● Advanced SQL with the ability to write and optimize complex queries.

● Strong data analysis and troubleshooting skills.

● Experience working with Tableau dashboards and reports.

● Experience working with ETL/data pipelines and source-to-target data.

● Strong communication skills to collaborate with technical and business teams.

● Understanding of semantic layers, data models, and business metrics.

● Strong knowledge of data quality, reconciliation, and root cause analysis.

● Working knowledge of AI tools (e.g., ChatGPT, GitHub Copilot) for data analysis and productivity.

Good-to-Have Skills

● Experience with AWS cloud data platforms such as Amazon Redshift, AWS Glue, Amazon Athena, and Amazon S3.

● Experience with Git and CI/CD best practices.

● Understanding of cloud data architectures and modern data warehouse concepts.

● Experience working in Data Analytics, Business Intelligence, or Data Quality environments.

● Experience collaborating with cross-functional teams, including Data Engineering, Product, Business Intelligence, and business stakeholders.

Preferred Qualifications

● Exposure to Python for data analysis, automation, or scripting.

● Understanding of context layer concepts and modern semantic modeling architectures.

● Familiarity with dbt and data quality frameworks or tools.

AI & Digital Fluency

• Demonstrate curiosity, sound judgment, and the ability to critically evaluate and responsibly leverage AI-enabled tools in accordance with company policies, ethical standards, and regulatory requirements to improve the efficiency, effectiveness, and quality of work.

Within the range, individual pay is determined by work location and additional factors, including, but not limited to, job-related skills, experience, and relevant education or training. If you are selected to move forward, the recruiting team will provide details specific to the factors above.

Employee may be required to lift routine office supplies and use office equipment. Majority of the work is performed in a desk/office environment; however, there may be exposure to high noise levels, fumes, and biohazard material in the laboratory environment. Ability to sit for extended periods of time.

Guardant Health is committed to providing reasonable accommodations in our hiring processes for candidates with disabilities, long-term conditions, mental health conditions, or sincerely held religious beliefs. If you need support, please reach out to [email protected]

Guardant Health is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

All your information will be kept confidential according to EEO guidelines.

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