Calyxo, Inc. is a medical device company headquartered in Pleasanton, California, USA. The company was founded in 2016 to address the profound need for improved kidney stone treatment. Kidney stone disease is a common, painful condition that consumes vast amounts of healthcare resources each year. Our team is led by executives and investors with a proven track record of commercializing paradigm-shifting devices to meet unmet needs within urology.
Are you ready to change the future of kidney stone treatment? We are seeking high achievers who want to be part of a dynamic team working in a fun, diverse atmosphere.
Summary:
We are seeking an accomplished Staff Regulatory Affairs Specialist to serve as a senior individual contributor and subject matter expert within our growing Regulatory Affairs organization. This is a strategic, high-visibility role for a seasoned regulatory professional who can independently drive complex U.S. and international submissions, shape regulatory strategy across the product portfolio, and mentor junior team members. The ideal candidate brings deep FDA expertise, advanced command of global regulatory landscapes, and a proactive, collaborative mindset to navigating complex, evolving regulatory environments. As a senior member of the Calyxo Regulatory Team, you will work closely with Research & Development, Operations, Quality, Clinical and Medical Affairs, Marketing, and Legal to ensure regulatory alignment from concept through commercialization—balancing speed with compliance as we bring category-defining medical devices to market.
In This Role, You Will:
- Lead the strategy, preparation, submission, and negotiation of complex U.S. and international regulatory filings (including 510(k)s, Q-Subs/Pre-Submissions, Special 510(k)s, and Letters to File), ensuring timely approvals and serving as the technical lead on the most challenging submissions.
- Drive the development and continuous improvement of scalable regulatory infrastructure—including processes, systems, SOPs, and team capabilities—to support organizational growth and evolving compliance needs.
- Act as a primary liaison with FDA and global regulatory bodies, leading audits, inspections, and key communications, and representing Calyxo with confidence and technical authority.
- Provide expert regulatory input into product development and design enhancements—including biocompatibility, sterilization, packaging, shelf life, clinical strategy, product roadmaps, and labeling decisions—to ensure compliance is built into the development process. Lead regulatory support for Operations and cost-reduction projects.
- Oversee regulatory review and approval of promotional materials, advertising claims, and customer-facing communications, owning the claims matrix and serving as final regulatory reviewer.
- Partner with Quality to ensure our QMS meets global regulatory expectations and supports continuous improvement. Ensure compliance with FDA and other applicable regulations and regulating bodies, including FDA QMSR transition activities.
- Monitor and interpret proposed regulatory changes from the FDA and other agencies, including worldwide regulatory authorities, and translate them into actionable guidance for the business.
- Maintain visibility into evolving global regulatory requirements and proactively update internal stakeholders. Develop and manage domestic and international registration and listing activities.
- Lead risk management, health hazard evaluations, and decision-making processes for field actions, recalls, or advisory notices.
- Drive regulatory compliance activities such as CAPAs, NCMRs, complaints, and MDR/eMDR processes; serve as a senior reviewer and approver where required.
- Mentor and develop junior Regulatory Affairs staff, providing technical guidance, review of deliverables, and coaching on regulatory strategy and submission excellence.
- Champion a culture of regulatory excellence, knowledge sharing, and continuous improvement across the Regulatory Affairs function.
- Maintain current knowledge and expertise of the regulatory landscape in order to provide expert input and guidance to the business, and serve as the in-house subject matter expert on FDA medical device regulations and selected international jurisdictions.
Who You Will Report To:
- Director, Regulatory Affairs
Requirements:
- 12+ years' experience in regulatory affairs in medical device, biotechnology, or in-vitro diagnostics (IVD) industry, including substantial experience with Class II or Class III electromechanical medical devices.
- Extensive prior experience interfacing with the FDA and/or other regulatory agencies is required. Proven success independently leading multiple FDA submissions, including 510(k)s, Special 510(k)s, Q-Subs, and/or PMAs, and driving regulatory strategy through full product development lifecycles.
- Recognized subject matter expertise in providing regulatory guidance for biocompatibility, packaging, sterilization, software (IEC 62304), electrical safety and EMC (IEC 60601), labeling, and reviewing and approving product claims and promotional content in a fast-paced, innovative environment.
- Advanced understanding of U.S. regulatory requirements; working knowledge of EU MDR and other international regulations required. U.S. and European/International regulations and standards knowledge is required.
- Demonstrated ability to lead and influence cross-functional teams, with excellent technical writing skills and a strong record of authoring high-quality regulatory submissions and Letters to File.
- Strong analytical capabilities, deep understanding of design controls, manufacturing, change control, and awareness of regulatory industry trends. Experience with medical device eQMS is required.
- Proven mentor and coach — able to develop junior regulatory talent and elevate team capability through knowledge sharing and structured review.
- Effective communicator and relationship-builder with cross-functional stakeholders, executive leadership, and external regulators.
- Bachelor's degree in Life Sciences, Engineering, or related field required; advanced degree and/or RAC certification strongly preferred.
- Travel: 5% travel may be required
- Location: Pleasanton office (minimum 3-days a week onsite)
- Must be able to sit for up to 8 hours/day
- Compliance with relevant county, state, and Federal rules regarding vaccinations.
What We Offer:
At Calyxo, you will be part of a knowledgeable, high-achieving, experienced and fun team. You will work in a diverse work environment with experienced, proven leaders and have an opportunity to shape our company culture. You will experience constant learning and dynamic challenges to help you grow and be the best version of yourself.
We also offer an attractive compensation package, which includes:
- A competitive salary of $160,000 - $175,000 and variable incentive plan
- Stock options – ownership and a stake in growing a mission-driven company
- Employee benefits package that includes 401(k), healthcare insurance and paid vacation
Calyxo is deeply committed to fostering an environment where diversity and inclusion are not only valued but also prioritized. We believe a diverse and inclusive community empowers us to act courageously, care deeply, and dream boldly to impact people in big ways. Diverse viewpoints bring diverse capabilities, which strengthen our focus and fuel our growth.
Calyxo is proud to be an equal opportunity employer, seeking to create a welcoming and diverse environment. All applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status or any other applicable legally protected characteristics
Legal authorization to work in the United States is required. In compliance with federal law, all persons hired will be required to verify their identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.
Disclaimer:
At Calyxo, we prioritize a transparent and structured interview process to ensure the best fit for both our candidates and our team. Please be aware of the following:
- Structured Interview Process: Our hiring process includes multiple stages of interviews where you will have the opportunity to communicate directly with Calyxo employees. This ensures that you gain a comprehensive understanding of the role and our company culture.
- Verification of Identity: We do not extend job offers without first meeting candidates, either virtually or in person. This step is crucial to maintain the integrity of our hiring process and to ensure mutual alignment.
- Beware of Scams: Calyxo will never request sensitive personal information, such as your full name, address, phone number, or identification documents, via email or online forms before an official interview. Calyxo representatives will always contact you using an email format of firstname.lastname@calyxoinc.com. If you receive a request for information from any other domain, please contact us directly at info@calyxoinc.com to verify the legitimacy of the communication.
We appreciate your interest in joining Calyxo and look forward to getting to know you through our official channels.