Principal Scientist, Diagnostics (CDx), Associate Director

At Gilead, we’re creating a healthier world for all people. For more than 35 years, we’ve tackled diseases such as HIV, viral hepatitis, COVID-19 and cancer – working relentlessly to develop therapies that help improve lives and to ensure access to these therapies across the globe. We continue to fight against the world’s biggest health challenges, and our mission requires collaboration, determination and a relentless drive to make a difference. Every member of Gilead’s team plays a critical role in the discovery and development of life-changing scientific innovations. Our employees are our greatest asset as we work to achieve our bold ambitions, and we’re looking for the next wave of passionate and ambitious people ready to make a direct impact. We believe every employee deserves a great leader. People Leaders are the cornerstone to the employee experience at Gilead and Kite. As a people leader now or in the future, you are the key driver in evolving our culture and creating an environment where every employee feels included, developed and empowered to fulfil their aspirations. Join Gilead and help create possible, together. Job Description Essential Duties and Job Functions Define diagnostic strategies for individual oncology programs, aligning biomarker objectives, clinical development plans, and broader portfolio diagnostic strategies in partnership with key cross-functional stakeholders. Develop and oversee integrated diagnostic project plans, coordinating internal teams and external partners to ensure appropriate resourcing, budgets, regulatory activities, CRO support, and operational execution are in place to meet program objectives and timelines. Lead Diagnostic Sub Teams to execute diagnostic strategy from inception through regulatory approval, leveraging cross-functional expertise, third-party diagnostic partners, and central laboratories across global regions. Provide diagnostic subject matter expertise to multidisciplinary drug development teams. Responsibilities Reporting to the Head of Oncology Diagnostics within the Diagnostics Group and participate as a member of relevant cross-functional drug development teams. Represent the diagnostic function on multiple global program teams, ensuring diagnostic considerations are integrated into program strategy and timelines. Lead Diagnostic Sub Teams and co-lead diagnostic partner teams to execute diagnostic strategy across multiple oncology programs. Develop, articulate, and manage integrated diagnostic project plans in close collaboration with biomarker, regulatory, clinical development, clinical operations, quality, and external partner stakeholders. Work independently in a fast-paced matrix environment, using strong collaboration, communication, and leadership skills to align stakeholders, marshal resources, and integrate diagnostic development into the broader drug development process. Skills Demonstrated ability to develop diagnostic strategies for oncology programs that align biomarker hypotheses, clinical development objectives, assay requirements, and patient-selection needs. Understanding of diagnostic platforms including but not limited to immunohistochemistry (IHC), next-generation sequencing (NGS), flow cytometry and digital pathology. Knowledge of clinical study design, diagnostic regulatory requirements, and integration of diagnostic, clinical, regulatory, and commercial timelines across global development and lifecycle management. Strong scientific leadership, communication, and collaboration skills, with the ability to work effectively in cross-functional teams, manage complex projects, and deliver results in a fast-paced matrix environment. Detail-oriented, with excellent record keeping and organizational skills, and able to work independently as a flexible, results-oriented self-starter in a multidisciplinary environment on multiple teams simultaneously. Proven publication record; understanding of IP, contracting terms, and provisions is desirable. Experience 10+ years with BA/BS, 8+ years with MA/MS, or 2+ years with MD or PhD in a scientific discipline or related field. Experience in diagnostic strategy or assay development supporting oncology drug development is preferred. The salary range for this position is: $195,670.00 - $253,220.00. Gilead considers a variety of factors when determining base compensation, including experience, qualifications, and geographic location. These considerations mean actual compensation will vary. This position may also be eligible for a discretionary annual bonus, discretionary stock-based long-term incentives (eligibility may vary based on role), paid time off, and a benefits package. Benefits include company-sponsored medical, dental, vision, and life insurance plans*. For additional benefits information, visit: * Eligible employees may participate in benefit plans, subject to the terms and conditions of the applicable plans. For jobs in the United States: Gilead Sciences Inc. is committed to providing equal employment opportunities to all employees and applicants for employment, and is dedicated to fostering an inclusive work environment comprised of diverse perspectives, backgrounds, and experiences. Employment decisions regarding recruitment and selection will be made without discrimination based on race, color, religion, national origin, sex , age, sexual orientation, physical or mental disability, genetic information or characteristic, gender identity and expression, veteran status, or other non-job related characteristics or other prohibited grounds specified in applicable federal, state and local laws. In order to ensure reasonable accommodation for individuals protected by Section 503 of the Rehabilitation Act of 1973, the Vietnam Era Veterans' Readjustment Act of 1974, and Title I of the Americans with Disabilities Act of 1990, applicants who require accommodation in the job application process may contact for assistance. For more information about equal employment opportunity protections, please view the 'Know Your Rights' poster. NOTICE: EMPLOYEE POLYGRAPH PROTECTION ACT YOUR RIGHTS UNDER THE FAMILY AND MEDICAL LEAVE ACT Gilead Sciences will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, (c) consistent with the legal duty to furnish information; or (d) otherwise protected by law. Our environment respects individual differences and recognizes each employee as an integral member of our company. Our workforce reflects these values and celebrates the individuals who make up our growing team. Gilead provides a work environment free of harassment and prohibited conduct. We promote and support individual differences and diversity of thoughts and opinion. For Current Gilead Employees and Contractors: Please apply via the Internal Career Opportunities portal in Workday.