Senior Employee Relations Manager

Company: IDEAYA Biosciences
Location: South San Francisco
Posted on: March 6, 2026

Job Description:

Non-Solicitation Policy and Notice to Agencies and Recruiters: IDEAYA's Non-Solicitation Policy strictly prohibits agencies and recruiters from any contact and communication with IDEAYA employees, managers, and leaders to submit unsolicited candidate resumes and/or to solicit business partnerships . Submission of unsolicited candidate resumes by agencies or recruiters with or without a contract in place with IDEAYA Biosciences Inc. will not create any implied obligation. Failure to comply with this policy will result in disqualification from current and future business opportunities with IDEAYA Biosciences. All recruiting and talent agency decisions are strictly managed by the internal IDEAYA Human Resources function. All communication by external agencies and recruiters must be directed to humanresources@ideayabio.com. We ask that you only email your interest once. Job Summary About IDEAYA Biosciences: IDEAYA is a precision medicine oncology company committed to the discovery, development, and commercialization of transformative therapies for cancer. Our approach integrates expertise in small-molecule drug discovery, structural biology and bioinformatics with robust internal capabilities in identifying and validating translational biomarkers to develop tailored, potentially first-in-class targeted therapies aligned to the genetic drivers of disease. We have built a deep pipeline of product candidates focused on synthetic lethality and antibody-drug conjugates, or ADCs, for molecularly defined solid tumor indications. Our mission is to bring forth the next wave of precision oncology therapies that are more selective, more effective, and deeply personalized with the goal of altering the course of disease and improving clinical outcomes for patients with cancer. When you're at IDEAYA, you will be in the midst of brilliant minds working on precision medicine therapies to help cancer patients. We are passionate and committed about being on the forefront of oncology medicine, which means we all have a high internal drive that is at the very core of every person at IDEAYA. We are inquisitive, ask deep questions, and are data-driven innovators who like to collaborate and use team work to move science forward. For more information, please see www.ideayabio.com. Location: South San Francisco, CA Position Summary: IDEAYA Biosciences is seeking a Senior Employee Relations Manager with deep expertise in employee relations and a passion for building high-performing, respectful workplace cultures. This is a pivotal time in our company’s evolution as we scale our HR function in preparation for becoming a commercial-stage biotechnology organization. This role will be instrumental in shaping and strengthening our employee relations infrastructure — establishing consistent, fair, and scalable practices that enable sustainable growth while protecting and reinforcing our culture of collaboration, accountability, and performance excellence. This position is based at our South San Francisco headquarters and requires onsite presence four days per week. Reporting to: Senior Vice President, Head of Human Resources Job Description What you’ll do: Employee Relations Consultation Serve as a trusted advisor to employees, managers, and senior leaders on complex and sensitive employee relations matters such as managing concerns about employee declining performance, interpersonal conflicts, involuntary exits, organizational changes, and team dynamics challenges. Lead thorough, fair, and timely workplace investigations, ensuring consistency, objectivity, and risk mitigation. Establish and standardize scalable employee relations protocols, frameworks, and documentation practices. Partner cross-functionally with HR Business Partners, Legal, Compliance, and leadership to drive optimal and appropriate outcomes. Ensure appropriate documentation, coaching, and corrective actions are applied consistently and in alignment with company values and compliance requirements. Support and help enhance the annual performance management process (goal setting, manager check-ins, year-end reviews). Policy, Compliance & Governance Oversee and manage the ongoing enhancement of the employee handbook and HR policy framework. Lead statutory reporting processes and annual workforce data submissions to government agencies. Manage workplace accommodations through the interactive process in compliance with federal and California law. Manage and ensure required compliance trainings are administered (e.g., sexual harassment prevention, workplace violence prevention). Culture & Insights Conduct exit interviews and analyze turnover trends quarterly to identify root causes and recommend actionable retention strategies. Design and deliver manager and employee training on key employee relations topics to strengthen leadership capability. Champion practices that reinforce IDEAYA’s values, culture, and commitment to employee well-being Requirements: 8 years of progressive HR experience with significant focus in employee relations Demonstrated expertise conducting complex workplace investigations Strong working knowledge of California employment law Experience in fast paced, agile, high-growth biotechnology organizations required; preferred to have worked across all functions in the drug development lifecycle (Research, Development, Medical Affairs, Commercial, Technical Operations, Business Development, G&A) Proven ability to influence senior leaders and navigate sensitive situations with integrity and courage Strong documentation, analytical, and stakeholder management skills All employees are expected to act with integrity and in full compliance with applicable laws, regulations, and IDEAYA policies, including IDEAYA’s Code of Conduct. Employees must demonstrate good judgement and ethical behavior in all business activities, maintain patient and product safety as a top priority, and report any suspected violations of law or Company policy through appropriate channels Total Rewards Along with our inspiring mission, and highly collaborative and inclusive environment, IDEAYA offers a competitive total rewards package that reflects our pay-for-performance philosophy where employees are eligible to be considered for merit-based salary increases, company discretionary short-term incentive plan participation, and company discretionary stock option awards (based on board approval). Our comprehensive benefits package includes, but is not limited to, medical/dental/vision coverage (100% company paid for employees and 90% company paid for dependents), 401k, ESPP, and wellness programs. The expected salary range for the roleof Senior Employee Relations Manager is $173,000 - $213,000. The final salary offered to a successful candidate will depend on several factors that may include but are not limited to the office location where this open position is located, the final candidates’ experience within their profession, experience in the disease areas we are striving to make an impact in as a company, length of time within the industry, educational background, and performance during the interview process. The Company complies with all laws respecting equal employment opportunities and does not discriminate against applicants with regard to any protected characteristic as defined by federal, state, and local law. This position requires you to work onsite in the office at the Company’s facilities for training & meetings, with work-from-home flexibility, and the Company requires that all employees working in its facilities be fully vaccinated (except as required by applicable law). Therefore, this position requires you to be fully vaccinated from COVID-19, subject to reasonable accommodations for medical or religious reasons, and/or as otherwise required by applicable law. The Company considers you fully vaccinated once 14 days have passed since you received either the second dose in a two-dose COVID-19 vaccine series or a single-dose COVID-19 vaccine. The vaccine must have been FDA approved, have emergency use authorization from the FDA, or, for persons fully vaccinated outside of the U.S., be listed for emergency use by the World Health Organization. IDEAYA is an equal opportunity employer. In accordance with applicable law, IDEAYA does not discriminate in hiring or otherwise in employment based on race, color, religion, sex, national origin, age, marital or veteran status, disability, sexual orientation, or any other legally protected status. EOE/AA/Vets.

Keywords: IDEAYA Biosciences, San Mateo , Senior Employee Relations Manager, Human Resources , South San Francisco, California