Title: Accounts Payable Assistant Hybrid Finance Full time London, England, United Kingdom Job Description: £30-34k / Hybrid - London IONATE is a deep-technology scale-up building the technology backbone for smart electricity grids. Our London team is looking for an Accounts Payable Assistant to support the Finance function on a full-time basis. Requiring solid purchase ledger experience, you will work closely with our AP Supervisor and Financial Controller, supporting our UK and Austrian entities. You will play a key role in keeping the purchase-to-pay cycle running smoothly, ensuring suppliers are paid accurately and on time, and that records are clean and audit-ready. This role focuses on delivering the day-to-day accounts payable function while helping us improve and document processes as the business scales. You’ll work with colleagues across the company to streamline approvals, strengthen controls, and maintain high-quality data in ExpenseIn and Xero (multi-currency). What you will do: - Own the end-to-end AP process: invoice capture, coding, approvals, posting, and payment - Be the first point of contact for supplier and internal AP queries; resolve discrepancies promptly and professionally - Process purchase invoices and credit notes in ExpenseIn and Xero (including multi-currency), ensuring correct VAT/tax treatment where applicable - Manage employee expenses and company credit card transactions, ensuring policy compliance and accurate coding - Maintain the purchase order process: ensure POs are raised for committed spend, obtain approvals, and match PO to invoices - Prepare weekly payment runs and ad-hoc payments, ensuring payments follow approval controls and agreed supplier terms - Reconcile supplier accounts and statements; investigate and clear aged items, duplicates, and unmatched transactions - Perform bank reconciliations and support month-end close activities related to AP - Manage the Finance shared mailbox, prioritising queries and maintaining clear audit trails - Support onboarding and maintenance of supplier master data (e.g., bank details) in line with internal controls - Manage HMRC customs reporting requirements and payments relating to import taxes on supplies - Provide reporting and supporting documentation for financial reporting and audit requests, and contribute to continuous improvement initiatives Requirements - Proven experience in a purchase ledger / accounts payable role, with a good understanding of the end-to-end AP process - Experience working in a small, fast-paced team - Exceptional communication skills - Excellent attention to detail and a high level of accuracy when processing transactions - Strong organisational skills and ability to prioritise workload and meet deadlines (including payment run cut-offs) - Experience processing invoices, expenses, and payments - Confident using accounting systems (experience with Xero is required) - Intermediate Excel skills (e.g., pivots, lookups) and comfortable working with numerate data - Professional, helpful approach to stakeholder and supplier query resolution It would be useful to have: - Experience with ExpenseIn (or another expense/invoice workflow tool) - Exposure to multi-currency processing and/or import duties and customs documentation Benefits - Employee Option Plan: You get equity in IONATE, so as we succeed so do you. - Private Medical & Dental Insurance: From day one, we provide you with full, comprehensive private medical and dental cover through Bupa. You also have the option to add any dependents to your cover. Please ask us for more details. - Company pension: a flexible, and sustainable pension product to help you plan for your future. - Career Development: It’s important to us that you have the opportunity for ongoing professional development and career growth. You will receive an annual budget for professional development and work with your team to set and reach goals every year. - Flexible working schedules: You will be based in our modern West London offices 3 days per week and will have the flexibility for hybrid work-from-home arrangements. Talk to us at the application process about this. - Cycle to Work Scheme: Low carbon travel is important for everyone, so we have in place a cycle scheme to help you purchase a bicycle. - Slow travel: We believe in a low carbon future, so if you wish to travel by a lower carbon method – but it takes much longer than flying - we will give you an extra 2 slow travel days per year.

• Manage day-to-day AP activities, including invoice receipt and coding, payment runs, vendor onboarding and maintenance, and reconciliation of AP subledgers • Work closely with property accounting, procurement, and offshore finance team to ensure accurate vendor payments and strong internal controls • Maintain and enforce AP policies and internal controls for approvals, segregation of duties, and payment authorization • Support month-end close activities related to accounts payable and provide variance explanations

• Lead the end-to-end execution of daily and ad-hoc payment runs • Prepare, verify, and process Check, ACH, and Wire payments • Monitor payment run calendar and ensure payments are completed on time • Work with Accounts Payable, Procurement, and business teams to resolve payment holds or invoice issues • Audit payment batches against supporting documentation for accuracy

Role Description The AP & Disbursement Team Leader is responsible for managing end-to-end Accounts Payable operations and payment disbursement processes across multiple geographies. This role ensures timely, accurate, and compliant processing of vendor invoices and payments while driving process standardization, efficiency, and continuous improvement in a global shared services environment. Your Team This role reports into the Manager, Finance position and has 4-6 direct reports. What You Will Do - Accounts Payable Operations - Oversee end-to-end AP processes including invoice processing, 2-way & 3-way matching, vendor master data validation, and issue resolution. - Ensure timely and accurate posting of invoices in compliance with company policies and accounting standards. - Monitor and manage pending invoices, aging, and exception queues. - Payment & Disbursement Management - Manage payment cycles (weekly/bi-weekly/monthly) across multiple payment methods (bank transfers, checks, ACH, wire, etc.). - Review and approve payment proposals ensuring accuracy and completeness. - Ensure compliance with internal controls, SOX requirements, and treasury guidelines. - Coordinate with banks, treasury teams, and vendors to resolve payment-related issues. - Team Leadership & Development - Lead, coach, and mentor a team of AP and disbursement analysts. - Allocate workload, set performance goals, and monitor individual/team performance. - Conduct regular performance reviews and provide feedback. - Support team skill development and cross-training initiatives. - Stakeholder Management - Act as a key interface between internal stakeholders (procurement, finance, business units) and external vendors. - Handle escalations related to vendor payments and invoice processing. - Collaborate with global teams across regions to ensure alignment and consistency. - Process Improvement & Transformation - Identify opportunities for process automation, standardization, and efficiency improvements. - Drive implementation of best practices and continuous improvement initiatives (Lean, Six Sigma, etc.). - Support system implementations, migrations, and transitions to shared services. - Compliance & Controls - Ensure adherence to company policies, audit requirements, and regulatory frameworks. - Maintain strong internal controls and documentation for audit readiness. - Support internal and external audits by providing required documentation and explanations. Qualifications - Strong leadership and people management skills. - Excellent stakeholder communication and influencing ability. - High attention to detail and problem-solving capability. - Knowledge of global payment processes and banking systems. - Process-oriented mindset with continuous improvement focus. - Ability to work in a fast-paced, multi-cultural, global environment. - Bachelor’s degree in finance, Accounting, or related field. - 10–12 years of experience in Accounts Payable / Finance Operations. - 2–4 years of team management experience in a global/shared services environment. - Experience working with ERP systems (SAP). - Strong knowledge of AP processes, payment mechanisms, and financial control. Bonus Points if You Have - A proven track record in team management is a distinct advantage. - Certified Public Accountant qualification is a plus. - Proactive, goal-oriented decision making. - Ability to effectively work across functional boundaries to bring tasks to successful conclusion. What Makes You Eligible - Be willing to travel internationally occasionally if required. - Be willing to work in an office; this role is eligible to work remotely up to full-time with occasional trips into the Shared Services office location required (this could be on 24-hour notice). - Successfully complete a background investigation and an occupational health screening (may include a drug screen) as a condition of employment. What We Offer - Flexible work environment, allowing for full-time remote work globally for positions that can be performed outside a HARMAN or customer location. - Access to employee discounts on world-class Harman and Samsung products (JBL, HARMAN Kardon, AKG, etc.). - Extensive training opportunities through our own HARMAN University. - Competitive wellness benefits. - Tuition Reimbursement. - Access to HARMAN Campus Fitness Center and Cafeteria (where available). - An inclusive and diverse work environment that fosters and encourages professional and personal development.