This position is based onsite in San Diego, CA. Mainstay Medical Mainstay Medical is a medical device company focused on marketing an innovative implantable neurostimulation system, ReActiv8®, for people with disabling chronic mechanical Low Back Pain. The company is headquartered in Dublin, Ireland, with subsidiaries operating in the United States, Australia, the United Kingdom, and Germany. Position Summary  The Director, Finance & Accounting is a senior finance leader responsible for overseeing core accounting and finance operations, including financial reporting, internal and external auditing, stock plan administration, expense reimbursements, SOX compliance, accounts payable and receivable, and all other corporate finance processes. This role is expected to bring hands-on audit and IPO readiness experience. This role ensures the integrity of financial reporting, operational efficiency, regulatory compliance and strong internal controls within the Mainstay Medical group. The role will partner closely with executive leadership, external auditors, legal counsel and other operational stakeholders to support strategic growth and maintain financial excellence.  Position Responsibilities * Lead day-to-day corporate finance and accounting operations, ensuring accuracy, efficiency, and compliance with company policies and regulatory standards. * Oversee monthly, quarterly, and annual close processes, including financial statement preparation and reconciliations. * Develop and maintain accounting policies, procedures, and finance operational controls. * Partner with executive leadership to support strategic financial initiatives and organizational growth. * Coordinate with external auditors, legal counsel, and internal stakeholders to ensure timely and accurate reporting. * Oversee accounts receivable and accounts payable functions to ensure efficient cash flow management and operational effectiveness. * Monitor collections, aging analysis, payment processing, and vendor relationships. * Implement process improvements to enhance efficiency and reduce operational risk. * Establish performance metrics and reporting for finance operations activities. * Lead administration and oversight of employee stock compensation and equity programs. * Partner with HR, legal, payroll, and external providers to manage stock option grants, vesting schedules, exercises, forfeitures, and reporting. * Serve as primary finance contact for internal and external audits, coordinating annual audit activities and supporting audit readiness across finance operations.  * Drive continuous improvement in finance controls, documentation, and operational processes. * Oversee corporate expense management processes, including administration of Concur expense reporting and travel systems. * Ensure policy compliance, timely reimbursement processing, and expense reporting accuracy. * Collaborate with IT and cross-functional teams on finance system enhancements and integrations. * Provide financial insights and operational recommendations to senior leadership. * Support mergers and acquisitions, due diligence, integration planning, IPO readiness, and strategic initiatives as needed. * In connection with and after any IPO, manage public financial reporting and compliance, as well as related processes. * Build and mentor high-performing finance and accounting teams. Qualifications/Experience  * 10+ years of experience with at least 5 years of global functional and people management experience.  * Bachelor’s degree in Accounting, Finance, Business Administration, or related field required. * CPA certification strongly preferred. * MBA or other advanced financial certification preferred. * Prior experience in a publicly traded company environment required.  * Direct experience taking a company through an IPO or similar public offering strongly preferred. * Experience leading SEC reporting, audits, and SOX compliance activities required. * Strong knowledge of U.S. GAAP, SEC reporting requirements, SOX compliance and IFRS. * Strong interpersonal and organizational skills; ability to work with a diverse team and influence/drive change across functional and business boundaries. * Advanced proficiency in Microsoft Excel and financial reporting systems. * Experience with financial consolidations, operational reporting, and internal controls. * Excellent written and oral communication skills with the ability to influence senior leadership. * Proven ability to manage multiple priorities in a fast-paced environment. * Strong leadership and team development capabilities. * Excellent analytical, organizational, and problem-solving skills. * High attention to detail and commitment to accuracy. * Ability to travel up to 10% of the time.  * Ability to balance strategic leadership with hands-on execution.  * Capable of working with teams across time zones / cultures / countries.