Location: Slough
Contract Type: Permanent

At Mars, we believe the world we want tomorrow starts with how we work today. That means creating an environment where everyone feels welcome, valued, and able to grow.

We’re looking for a OneStream Process & Platform Manager to help us keep our financial systems running smoothly while continuously improving how we work.

You’ll be part of a collaborative team of three OneStream experts, supporting a global platform that drives better decisions across our business.

Whether you come from a traditional finance background, IT, or a mix of both. If you’re passionate about systems, problem-solving, and making an impact, we’d love to hear from you.

What will be your key responsibilities?

In this role, you’ll take ownership of key parts of our OneStream environment and help ensure it performs at its best:

• Support and execute administrative responsibilities within the OneStream application including metadata, workflows, data sources, transformation rules, cube views, dashboards, reporting, and user security.

• Understand vb.net to support business rule and member formula troubleshooting and maintenance.

• Support manual and automated interfaces and integrations with upstream and downstream systems.

• Create and maintain technical documentation, including system configurations, processes and procedures, and integrations.

• Troubleshoot user issues during the close process including conducting root cause analysis.

• Support internal audit controls, processes, procedures, and documentation.

• Provide recommendations for enhancements and upgrades.

• Understand and support aspects of Software Development Life Cycle for OneStream enhancements.

• Support OneStream user training and education as required.

• Stay abreast of emerging technologies and trends in OneStream Solution Exchange including XF platform and solutions

What are we looking for?

We know great talent comes in many forms. Even if you don’t meet every requirement, we encourage you to apply.

• Bachelor’s degree in finance, Accounting, Business Administration, IT, or a related field.

• 3+ years’ experience in EPM systems with 2+ years of OneStream experience.

• Deep understanding of corporate accounting consolidation processes.

• Strong understanding of Excel/MS Office.

• Strong attention to detail.

• Excellent communication skills in English both written and verbal.

• Demonstrated and proven skill in completing assignments accurately and independently.

What can you expect from Mars?

• Work with diverse and talented Associates, all guided by the Five Principles.

• Join a purpose driven company, where we’re striving to build the world we want tomorrow, today.

• A strong focus on learning and development support from day one, including access to our in-house Mars University.

• An industry competitive salary and benefits package, including company bonus.

Ready to make an impact? Apply now and help us build the world we want tomorrow, today.