ERP Analyst (iSeries/AS400)

Job purpose

As a ERP Analyst in AS400/iSeries, you’ll contribute to JM’s mission as a world leader in sustainable technology, transforming energy and reducing carbon emissions for a cleaner, brighter future.

Your work will directly support JM’s mission as a global leader in sustainable technologies, helping to transform energy systems and reduce carbon emissions to create a cleaner, brighter future.

The role

As an ERP Analyst in AS400/iSeries, you will help drive our goals by:

• Partner with stakeholders, end users, SMEs, and internal/external teams to understand business needs and translate them into functional ERP requirements.
• Lead incident, problem, and service management, including triage, root‑cause analysis, vendor coordination, and ensuring timely resolution.
• Perform ERP configuration, master data maintenance, interface monitoring, and support change, release, and environment management while maintaining strong data quality and governance.
• Drive process optimisation and continuous improvement by mapping current processes, designing future‑state solutions, supporting deployments, and developing automation, reports, and KPIs.
• Ensure compliance with IT controls, security, and audit requirements while providing user support, training, documentation, and promoting best practices across ERP platforms.

Key skills that will help you succeed in this role

• Experience and knowledge of iSeries (AS400) is a must
• ERP Functional Expertise in at least one major domain (e.g., Finance (GL/AP/AR/FA), Distribution/Procurement, Sales/Inventory, Manufacturing/Shop Floor/Costing); ability to troubleshoot cross-module impacts
• Previous experience of working with BAU Support teams
• iSeries Programming and Functionality with multiple versions of RPG Programming Language
• Configuration & Testing: hands‑on experience with JDE functional config, data validation, test planning and defect management
• Data & Reporting: comfort with reporting tools (JDE Fastr/WorldWriter), reconciliations and data quality controls
• Working in Complex and International Teams

What we offer

We make sure salaries are fair, competitive and aligned to individual roles, experience and responsibilities. We are also supportive of hybrid and flexible working and where applicable, offer life, medical and other benefits that support our employees’ financial and physical wellbeing, such as:

• Retirement savings
• Share plans
• Saving accounts
• Life and disability insurance
• Commuter allowances and loans
• Medical plans / health assessments
• Fitness discounts

Ready to make a meaningful impact on your career and the environment? Join us and help shape a sustainable future while advancing your career!

At JM, inclusivity is central to our values. We create an environment where everyone can thrive, embracing diverse perspectives to tackle challenges and ensure all colleagues feel valued and connected.

For any queries or accessibility requirements, please contact We will work with you to make suitable adjustments at any stage of the recruitment process. All conversations are confidential, and your feedback is welcome to help us provide an accessible and positive recruitment experience.

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.

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