• Execute end-to-end payroll processing for all US employees and support global payroll as required, ensuring accuracy, timeliness, and the maintenance of an accurate and reconciled payroll register, in full compliance with federal, state, and local regulations. • Provide cross-training and serve as backup for payroll processing in other regions (e.g., Canada, Australia) to ensure continuity of global payroll operations. • Review, validate, and reconcile timekeeping data for hourly and salaried employees, proactively resolving discrepancies prior to payroll runs. • Administer payroll taxes, payroll deposits, benefits deductions, and third-party remittances, ensuring timely submission, accurate reporting, and immediate resolution of any variances. • Prepare and enter payroll and benefit-related journal entries; perform monthly, quarterly, and year-end payroll account reconciliations, ensuring alignment between the payroll system and the general ledger. • Lead year-end payroll activities, including W-2 preparation, taxable benefit reporting, multi-state reconciliations, and coordination with Finance, People and Culture, and external providers to ensure regulatory deadlines are met. • Maintain and ensure compliance with regulatory requirements, including payroll tax registrations and rate changes, garnishments, leaves, benefit eligibility rules, and other statutory obligations. • Deliver value added support to internal and external stakeholders, including responding to payroll and benefit related inquiries, preparing scheduled and ad-hoc payroll, headcount, and compliance reports. • Maintain and strengthen internal controls by documenting processes recommending improvements and participating in the implementation and testing of payroll systems and improvements to the HRIS as needed. • Support audits, ensuring payroll documentation, controls, and reconciliations are accurate, complete, and audit-ready at all times. • Uphold strict confidentiality and data security standards, ensuring sensitive employee and company information is handled in compliance with policy and regulatory requirements.

• Acting as the focal point for a varied portfolio of payroll clients, delivering consistently fantastic customer service • Processing end-to-end Irish payrolls of various headcount and pay complexity in accordance with agreed timelines • Hosting and chairing regular governance calls with clients to track progress, review performance and identify opportunities for improvement • Ensuring that payroll manuals are relevant and updated regularly to reflect current processes • Preparing payroll calendars and checklists, ensuring that checking sheets are completed for every payroll processed • Answering queries from clients, partners and colleagues, troubleshooting and resolving where possible, or escalating more complex issues through our internal channels • Preparing and uploading ROS submissions and dealing with Clients Revenue queries on their behalf. • Delivering excellent customer service, responding quickly and effectively to all queries and ensuring that issues are resolved either directly or through the right escalation channels • Making sure that customers are fully updated and never in any doubt as to how their service is being managed • Making sure that any risks to service delivery are communicated quickly and realistically to the client and to the appropriate managers, and being innovative and agile in bringing solutions or mitigations to the table • Being honest and authentic in communicating both positive and difficult conversations • Being a brilliant team player, supporting colleagues across the team to ensure that customer service delivery is consistent across the department, providing help and guidance and ensuring no one is left behind

• Manage all day-to-day US payroll operations, coordinating with internal teams and external payroll vendors to ensure accurate and timely payroll processing across semi-monthly and bi-weekly cycles for a growing exempt and non-exempt workforce across multiple states • Prepare payroll input files; process and review payroll outputs to verify accuracy and compliance, confirming all data is properly recorded according to company policies • Partner with Human Resources on employee compensation, benefits, and disability matters; ensure proper taxation and treatment of employer-paid benefits, including NSOs, RSUs, and 401(k) contributions; maintain knowledge of applicable payroll laws, including state-specific final pay requirements • Manage payroll inputs including new hires, terminations, compensation changes, bonuses, commissions, relocation payments, leave of absence calculations, domestic partner benefits, group term life insurance, and equity-related events (RSUs, ISO/NSO exercises, disqualifying dispositions) • Administer benefits-related payroll deductions and ensure compliance with 401(k), FSA, HSA, and other program requirements; audit, reconcile, and fund 401(k) contributions associated with each payroll and resolve discrepancies in real time • Maintain multi-state payroll tax registrations; ensure timely deposits and filings; manage quarterly tax adjustments and year-end payroll tax reporting; respond to and track federal and state tax notices and amendments • Oversee quarter-end, W-2 preparation, year-end reconciliations, and resolution of federal and state tax notices • Act as subject matter expert in US payroll, providing guidance and assistance to team members and internal stakeholders • Respond to employee inquiries and serve as liaison between employees and third-party providers • Coordinate with local payroll providers across UK, Singapore, Canada, India, and Australia to stand up compliant payroll operations as each entity launches • Serve as the primary internal point of contact for international payroll vendors — reviewing payroll registers, approving runs, resolving discrepancies, and managing the relationship • Advise on country-specific payroll requirements (statutory deductions, employer obligations, pay frequency norms) during the subsidiary setup process • Partner with Finance, Legal, and HR on international onboarding, ensuring payroll is ready when new hires start in each country • Establish payroll calendars, approval workflows, and escalation procedures for each jurisdiction • Establish, document, and enforce internal controls in compliance with SOX requirements; support IPO readiness efforts as the company scales • Oversee internal and external payroll audits and ensure audit readiness, including Workers’ Compensation and 401(k) audits • Establish and execute payroll review and audit procedures, including validation of regular earnings, one-time payments, deductions, and garnishments • Ensure compliance with federal, state, and local wage and hour laws; proactively flag any exposure areas • Review payroll and tax reporting to ensure accurate and timely filings with appropriate government authorities • Prepare and post payroll journal entries; reconcile payroll-related GL accounts monthly • Support the annual audit (currently with EY) by providing payroll schedules, reconciliations, and supporting documentation • Assist with equity compensation accounting coordination (Form 3921, W-2 supplemental wage reporting, ASC 718 inputs) • Complete quarter-end and year-end reconciliations for tax filings and W-2 filings • Maintain and continuously improve Rippling payroll configuration — identify automation opportunities and lead optimization initiatives • Lead special projects including process improvements, documentation, system integrations, and upgrades or reimplementations of US payroll systems • Lead automation initiatives and process enhancements within the payroll department, collaborating cross-functionally with HR, IT, Legal, and Accounting to streamline operations and minimize errors • Maintain thorough payroll documentation and SOPs; document and update procedures on an ongoing basis • Prepare special reports for management as needed

• Deliver expert guidance and support throughout the implementation process • Customize SAP Payroll solutions according to customer requirements following Strada standards • Conduct system testing to validate functionality and compliance with specifications • Effective management of priorities to meet established deadlines • Maintain clear communication with internal and external stakeholders • Support other project members when required • Track project progress, documentation, and collaborate with project managers and project team • Support go-live activities ensuring payroll system readiness