Senior Director, Global Regulatory Affairs

The Senior Director, Global Regulatory Affairs will provide strategic regulatory leadership across Janux’s clinical-stage oncology pipeline, supporting programs from early development through registration. This individual will lead global regulatory strategy for one or more programs while influencing and partnering closely with cross-functional stakeholders to shape development plans and ensuring alignment across functions in a dynamic, fast-paced environment.   This role requires a hands-on regulatory leader with deep experience in early clinical development (Phase 1/2), coordinating multiple parallel regulatory initiatives, strong health authority interaction experience, the ability to exercise judgment with decisions that have long-term impact on regulatory function success, and guide teams through ambiguity and evolving data.

ESSENTIAL FUNCTIONS AND RESPONSIBILITIES • Lead the development and execution of global regulatory strategies across early- and late-stage programs, ensuring alignment with overall portfolio objectives.

• Translate strategic plans into functional and operational regulatory execution across cross-functional teams including Clinical, CMC, Biometrics, and Translational Sciences.

• Serve as the regulatory lead on cross-functional program teams, driving alignment and enabling timely, high-quality decision-making.

• Influence key program decisions, including trial design, dose escalation strategies, endpoints, and development pathways based on regulatory considerations.

• Lead regulatory strategy for early clinical development (Phase 1/2), including IND/CTA planning, protocol input, and health authority engagement.

• Provide regulatory leadership for global clinical trial strategy, including EU Clinical Trial Regulation (CTR) and CTA submissions.

• Serve as the primary regulatory contact with global health authorities (e.g., FDA, EMA, Health Canada, MHRA), leading critical interactions including meeting strategy, briefing documents, negotiations, and follow-up activities.

• Evaluate and advise on regulatory pathways, including expedited programs (e.g., Fast Track, Breakthrough Therapy, Orphan Drug) and regional strategies.

• Assess emerging clinical and nonclinical data and translate insights into adaptive regulatory strategies, adjusting development plans as needed.

• Identify regulatory risks and lead mitigation strategies in the context of incomplete or evolving data.

• Operate effectively in complex environments, working with abstract concepts and cross-functional inputs to shape regulatory direction.

• Drive alignment across functions in situations with ambiguity, competing priorities, or limited precedent.

• Exercise a high degree of judgment; decisions carry long-term impact on regulatory function success and program advancement.

• Negotiate critical regulatory and strategic matters with senior and executive-level stakeholders internally and externally.

• Contribute to the development and continuous improvement of regulatory processes, systems, and best practices to support organizational growth.

• Collaborate with internal teams and external partners to ensure high-quality and timely execution of regulatory deliverables.

EDUCATION, EXPERIENCE, KNOWLEDGE, SKILLS AND ABILITIES • BS in life sciences or related field required; advanced degree (PhD, PharmD, MD, or equivalent) preferred.

• Minimum of 12–15+ years of regulatory affairs experience in biotechnology or pharmaceutical industry.

• Experience spanning early clinical development (Phase 1/2) through later-stage development global regulatory strategy for oncology or related therapeutic areas.

• Direct experience with IND and global CTA submissions, including EU CTR.

• Proven track record of leading health authority interactions (FDA and ex-US) and influencing development strategy.

• Ability to operate effectively in environments with uncertainty, shifting priorities, and incomplete data.

• Demonstrated ability to work with complex and abstract problems across multiple functional areas.

• Strong leadership skills, including experience mentoring, developing, and influencing teams.

• Ability to lead through influence across functions without direct authority.

• Experience managing regulatory risk and translating requirements into practical development strategies.

• Excellent communication skills, with the ability to clearly articulate regulatory strategy to both technical and non-technical stakeholders.

• Strong executive presence with the ability to influence and negotiate at senior levels internally and externally.

• Strong project management and organizational skills in a fast-paced environment.

Job Type: Full-time Benefits: ·             Annual bonus program ·             Incentive stock option plan ·             401k plan with flat non-elective employer contribution ·             Comprehensive medical insurance with 90-100% employer-paid premiums ·             Dental and vision insurance ·             HSA, FSA, and supplemental insurance plans (life, disability, accident, critical illness, hospital indemnity) ·             Unlimited PTO ·             Generous holiday schedule; includes summer and winter company shutdown ·             Relocation assistance Schedule: ·             Monday to Friday Work authorization: ·             United States (Required) Additional Compensation: ·             Annual targeted bonus % Work Location: ·             Hybrid preferred in San Diego office. Remote permitted upon approval, with ability to travel up to 25% for meetings or site visits as required.   EQUAL OPPORTUNITY EMPLOYER: Janux Therapeutics, Inc. is an equal opportunity employer that is committed to providing a work environment free of harassment and discrimination based upon a protected category, as well as an environment free from retaliation for protected activity.