Financial Systems Specialist (OneStream)

The role

You will take technical ownership of the OneStream group consolidation platform. You will configure, develop, and optimize the platform while leading the Phase 2 rollout and expanding into broader Finance Technology initiatives.

What you will do

• Own and develop the OneStream platform end-to-end including configuration, metadata, hierarchies, business rules, workflows, integrations and security.
• Lead the Phase 2 rollout across Finance and Tax.
• Transition ownership from the implementation partner and manage vendor relationships, releases and upgrades.
• Drive platform design and integration by assessing impact across NetSuite, source systems and reporting solutions.
• Own platform support and continuous improvement including period-close support and incident management.
• Build and share technical knowledge through documentation and mentoring colleagues.
• Expand into broader Finance Technology initiatives and additional global platforms.

Required qualifications

• At least 3 years of experience in OneStream platform administration, ownership or implementation.
• 4–6 years in financial systems, finance transformation or CPM consulting.
• Experience with enterprise platforms such as NetSuite, Workday or Coupa.
• SQL
• Data modelling
• Scripting
• APIs
• Integration tooling
• Version control
• Understanding of SaaS security, access controls and audit requirements.
• Proven implementation experience in OneStream implementation or a major rollout phase.
• Understanding of financial processes, particularly group consolidation and the financial close cycle.

Nice to have

• Exposure to tax provisioning
• Exposure to OneStream's BDO module

Benefits

• Performance-based bonus structure
• 25 paid vacation days in your first year, increasing to 30 from your second year onwards
• Training opportunities
• Discounts on health insurance
• Fully paid first-class commuting expenses
• Breakfast, lunch and dinner
• World-class barista coffee
• In-house physio and chair massages
• Organized sports and leisure activities
• Friday afternoon drinks
• Access to conferences and tech events
• Competitive relocation packages and visa sponsorship

Before you apply

• We do not require any assistance from third-parties including agencies in the recruitment of this role
• We cannot accept applications via email

About the company

Optiver is a market making institution that aims to improve the market by injecting liquidity, providing accurate pricing, and increasing transparency. They are a trusted partner of 70+ exchanges across the globe.