Love complex problems? We’re looking for a OneStream Architect who does more than just configure. We need a seasoned pro with 5+ years of experience and a deep command of C#/VB.NET and Financial Consolidation to lead high-stakes implementations. If you’re a hands-on developer who thrives on building elegant solutions to intricate financial workflows, we want you on the team.
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General Information:
- Start date: 01.06.26
- latest Start Date: 01.09.26
- Planned duration: planned until 30.08.2027
- Extension (in case of limitation): possible
- Workload: 80-100%
- Home Office: 50%
- Working hours: Standard
Tasks & Responsibilities:
- Design and Development: Contribute to the design, development, testing, and deployment of OneStream solution for finance consolidation, Tax (CbCR & Pillar-two) and ESG, including enhancements, customizations, and integrations.
- System Implementation: Participate in the full lifecycle of our OneStream project, from design to go-live and post-implementation support.
- Technical Leadership: Provide technical support and guidance to co-workers, ensuring adherence to best practices and coding standards and fostering a culture of continuous learning and growth. Advocate for and ensure adherence to OneStream coding standards, best practices, and performance optimization.
- Collaboration: Work closely with functional teams, project managers, and other stakeholders to understand business needs and translate them into technical solutions.
- Documentation: Develop and maintain technical documentation, including design specifications, test plans, and user manuals
- Support and Maintenance: Provide ongoing support and maintenance for OneStream, including troubleshooting and issue resolution.
Must Haves:
- Bachelor’s degree in computer science, Systems Engineering, Information Systems, or related field.
- Deep technical expertise in OneStream, with 5+ years of OneStream implementation and development experience (OneStream certification preferred).
- Hands-on configuration and development experience:
- Building and managing dimensions, hierarchies, and member properties.
- Developing complex Business Rules (C#) for calculations, validations, and data transformations.
- Designing and building Cube Views, Dashboards, and Reports.
- Designing and building workflows, user role/permissions & securities.
- Developing data transformation rules (ETL) to map source data to OneStream's data model.
- In-depth understanding of Financial Consolidation topics, month-end close processes and ability to hold discussions with business counterparts.
- Business-focused, results-oriented approach with excellent coordination, exceptional problem-solving, and analytical skills, with a mindset to challenge assumptions, resolve discrepancies and ensure integrity of consolidated results.
- Team and hands-on working style, good organisational skills with ability of multi-task while working independently or within a group environment.
- Ability to work effectively in a project-oriented, fast-paced, deadline-driven environment.
- Excellent interpersonal and customer relationship skills.
- Exceptional communication and influencing skills.
- Business fluent English language skills (written and spoken).
- Hands-on experience in implementing, configuring and developing reporting within the OneStream platform.
- Understanding of modern software architecture, integration tools, and methods (e.g., Data Connectors, APIs, ETL solutions).
- Advanced proficiency in VB.NET or C# and SQL.
- Ability to create technical design documents, and facilitate or validate system and user acceptance testing.
- Participates in knowledge transfer to build internal capacity, advising, and training the internal team on the new application.
We thank you for your application!
Love complex problems? We’re looking for a OneStream Architect who does more than just configure. We need a seasoned pro with 5+ years of experience and a deep command of C#/VB.NET and Financial Consolidation to lead high-stakes implementations. If you’re a hands-on developer who thrives on building elegant solutions to intricate financial workflows, we want you on the team.
General Information:
- Start date: 01.06.26
- latest Start Date: 01.09.26
- Planned duration: planned until 30.08.2027
- Extension (in case of limitation): possible
- Workload: 80-100%
- Home Office: 50%
- Working hours: Standard
... Tasks & Responsibilities:
- Design and Development: Contribute to the design, development, testing, and deployment of OneStream solution for finance consolidation, Tax (CbCR & Pillar-two) and ESG, including enhancements, customizations, and integrations.
- System Implementation: Participate in the full lifecycle of our OneStream project, from design to go-live and post-implementation support.
- Technical Leadership: Provide technical support and guidance to co-workers, ensuring adherence to best practices and coding standards and fostering a culture of continuous learning and growth. Advocate for and ensure adherence to OneStream coding standards, best practices, and performance optimization.
- Collaboration: Work closely with functional teams, project managers, and other stakeholders to understand business needs and translate them into technical solutions.
- Documentation: Develop and maintain technical documentation, including design specifications, test plans, and user manuals
- Support and Maintenance: Provide ongoing support and maintenance for OneStream, including troubleshooting and issue resolution.
Must Haves:
- Bachelor’s degree in computer science, Systems Engineering, Information Systems, or related field.
- Deep technical expertise in OneStream, with 5+ years of OneStream implementation and development experience (OneStream certification preferred).
- Hands-on configuration and development experience:
- Building and managing dimensions, hierarchies, and member properties.
- Developing complex Business Rules (C#) for calculations, validations, and data transformations.
- Designing and building Cube Views, Dashboards, and Reports.
- Designing and building workflows, user role/permissions & securities.
- Developing data transformation rules (ETL) to map source data to OneStream's data model.
- In-depth understanding of Financial Consolidation topics, month-end close processes and ability to hold discussions with business counterparts.
- Business-focused, results-oriented approach with excellent coordination, exceptional problem-solving, and analytical skills, with a mindset to challenge assumptions, resolve discrepancies and ensure integrity of consolidated results.
- Team and hands-on working style, good organisational skills with ability of multi-task while working independently or within a group environment.
- Ability to work effectively in a project-oriented, fast-paced, deadline-driven environment.
- Excellent interpersonal and customer relationship skills.
- Exceptional communication and influencing skills.
- Business fluent English language skills (written and spoken).
- Hands-on experience in implementing, configuring and developing reporting within the OneStream platform.
- Understanding of modern software architecture, integration tools, and methods (e.g., Data Connectors, APIs, ETL solutions).
- Advanced proficiency in VB.NET or C# and SQL.
- Ability to create technical design documents, and facilitate or validate system and user acceptance testing.
- Participates in knowledge transfer to build internal capacity, advising, and training the internal team on the new application.
We thank you for your application!
