OneStream Developer

Position Summary

Our Deloitte Finance Transformation team practices to help chief financial officers, controllers, and finance teams define and execute their finance and global business services agendas and strategies. You will work with leading-class teams and solutions, helping clients navigate challenging environments, market uncertainty, technology development, and regulatory considerations to unlock value. Your work may span strategy, operations, process design, and technology as we partner with clients to transform finance.

Work You'll Do

As a US Delivery Center Solution Specialist on the team, you will:

• Configure and develop within OneStream to support finance processes (planning, budgeting, forecasting, close & consolidation, and reporting), aligned to established solution designs.
• Build and maintain business rules (calculations, validations, allocations, and transformations) using OneStream development tools and best practices.
• Support data management activities including data loads, mappings, transformations, reconciliations, and error handling within OneStream (and/or comparable CPM platforms such as Hyperion or SAP BPC).
• Develop scripts and queries using VB.NET and/or SQL to enable automation, support integrations, and troubleshoot data/process issues.
• Execute testing activities (unit testing, system testing support, defect fixes, and regression testing) and document results to ensure stable releases.
• Troubleshoot and resolve development defects across business rules, workflows, data loads, and reports, escalating patterns and proposing preventative fixes.
• Produce technical documentation (configuration notes, rule logic descriptions, deployment steps, and runbooks) to support repeatable delivery and operations.

The Team

Deloitte's Government & Public Services (GPS) practice - our people, ideas, technology and outcomes - is designed for impact. Serving federal, state, & local government clients as well as public higher education institutions, our team of professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise.

Our Business Finance offering enables finance to drive strategic value through transformation and synchronization of planning, costing, budgeting and forecasting across finance and other functions. Using advanced, scalable data and tech platforms, we also generate actionable insights and analytics, streamline decision making and enable data driven profitable growth. Manages risk and opportunities associated with diverse and complex grant programs through end-to-end grants management solutions.

This opportunity sits within our Deloitte US Delivery Center model, which is dedicated to driving impactful business services. It leverages Deloitte's scale and talent, as well as a center delivery model to provide high-quality, cost-effective service with standardized processes and procedures to service businesses across Deloitte.

The Deloitte US Delivery Center has a small-business feel with a big-business impact. With the resources of Deloitte and a community feel, the delivery center model provides high-quality services to our clients. USDC professionals work out of one of our specific delivery center locations, and each location presents dynamic career opportunities for professionals to focus on their work with nominal travel requirements.

Qualifications

Required:

• Bachelor's degree
• Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future
• Must be able to obtain and maintain the required Secret clearance for this role
• Delivery Center Location & Travel Requirements:
  
  
  • Hybrid Work Model: Operate under a hybrid system requiring residence within a commutable distance to one of the US Delivery Center locations (Gilbert, Lake Mary, or Mechanicsburg)
  • Co-location Expectation: Spend up to 30% of working time co-located at an assigned office for orchestrated opportunities, including projects, practice sessions, training, and Moments That Matter at a Deloitte Delivery Center location, Geo-Hub location, approved site, or project location
  • Travel Requirement: Maximum of 10% overnight travel for client or project purposes
  • Relocation Requirement: If relocation is necessary, complete the move within 12 weeks from the start date to reside within a commutable distance
• 1+ years of experience developing and configurating with OneStream tools
• 1+ years of experience with business rules creation and data management OneStream, Hyperion or BPC
• 1+ years scripting experience with VB.Net or SQL

Information for applicants with a need for accommodation: https://www2.deloitte.com/us/en/pages/careers/articles/join-deloitte-assistance-for-disabled-applicants.html

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Deloitte is committed to providing reasonable accommodations for people with disabilities. If you require a reasonable accommodation to participate in the recruiting process, please direct your inquiries to the Global Call Center (GCC) at USTalentCICInbox@deloitte.com.

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Benefits

At Deloitte, we know that great people make a great organization. We value our people and offer employees a broad range of benefits. Learn more about what working at Deloitte can mean for you.

Our people and culture

Our inclusive culture empowers our people to be who they are, contribute their unique perspectives, and make a difference individually and collectively. It enables us to leverage different ways of thinking, ideas, and perspectives, and bring more creativity and innovation to help solve our clients' most complex challenges. This makes Deloitte one of the most rewarding places to work.

Our purpose

Deloitte's purpose is to make an impact that matters for our people, clients, and communities. At Deloitte, purpose is synonymous with how we work every day. It defines who we are. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities. Learn more.

Professional development

From entry-level employees to senior leaders, we believe there's always room to learn. We offer opportunities to build new skills, take on leadership opportunities and connect and grow through mentorship. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their career.

As used in this posting, "Deloitte" means Deloitte Consulting LLP, a subsidiary of Deloitte LLP. Please see https://www.deloitte.com/us/about for a detailed description of the legal structure of Deloitte LLP and its subsidiaries.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law.

Requisition code: 322705

Job ID 322705

Client-provided location(s): Lake Mary, FL, Chandler, AZ, Mechanicsburg, PA

Job ID: Deloitte-322705

Employment Type: OTHER

Posted: 2026-01-30T18:56:09