Location: London In this role you will support the Pension & Reward Operations Manager with all aspects of the maintenance and development of the Pensions Administration System (Altair). You will assist in production, management and processing of all data extracts and interfaces and to provide ongoing support to pension projects. In this role you will: Support the maintenance and development of the pension administration system (Altair), ensuring accurate member records, benefit calculations, letters, and workflows. Assist with developing and testing pension system workflows, calculations, letters, issue resolution, software updates, and change requests. Reconcile payroll and HR files monthly to ensure the pension system is updated and accurate. Collaborate on data projects like Pension Dashboard, scheme data extracts, reporting, pension increases, and Benefit Statements, ensuring timely and accurate delivery. Manage interfaces with external suppliers, resolve processing queries, and upload interfaces as needed. Produce management information, update member records accurately, and support annual membership movements and contribution reconciliations. Key requirements: Strong knowledge and experience in UK pension arrangements, manual benefit calculations, and handling large volumes of personal data. Proficiency in Microsoft Excel and Word, with desirable skills in Power BI, SQL, and VBA. Previous experience in systems support, with Altair (Heywood) administration system experience being an advantage. Analytical and problem-solving skills, combined with attention to detail and high numeracy. Ability to work independently, manage deadlines, and adapt to ad-hoc tasks, with strong communication and interpersonal skills. Flexible, team-oriented, and committed to delivering high-quality work in a primarily home-based role. How you will be rewarded: We offer a competitive compensation and benefits package including bonus, excellent pension contributions and 25 days annual leave (varies for shift-based roles). At JM, an inclusive culture is integral to our values and ambitions for the future. We are committed to ensuring that everyone can bring their full self to work and thrive in their career. Welcoming everyone to JM, regardless of their unique characteristics, experiences or thoughts allows us to bring many different voices and experiences together to tackle the world's biggest challenges. Being truly inclusive means that all colleagues feel valued for their differences, views and contributions, and feel a sense of belonging at JM. Johnson Matthey is open for discussion on part time, job share and flexible working patterns. Closing date for applications: This job advertisement will be posted for a minimum of 2 weeks; early application is advised. For any queries or should you have any accessibility requirements, please contact GlobalRecruitmatthey.com who will work with you to implement suitable adjustments at any stage of the recruitment process. All conversations are treated in the strictest of confidence and we would appreciate your feedback to ensure we can provide an accessible and enjoyable recruitment process. To submit your application, please click the "Apply" button online. All applications are carefully considered and your details will be stored on our secure Application Management System. This is used throughout Johnson Matthey for the selection of suitable candidates for our vacancies as they arise. Johnson Matthey respects your privacy and is committed to protecting your personal information. For more information about how your personal data is used please view our privacy notice: Johnson Matthey Privacy Notice We appreciate the time and effort taken in completing an application. By applying for this role and creating an account you are agreeing to Johnson Matthey Privacy Notice Johnson Matthey Plc is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, marriage or civil partnership, pregnancy or maternity, religion or belief.