Jr. OneStream Developer

US101 Guidehouse Inc.; Arlington (VA); On-site; USD 65,000 - 95,000; Full time

Benefits offered by this job

Medical insurance

401(k) retirement plan

Paid holidays

Parental leave

Tuition reimbursement

Employee referral program

Disability insurance

Mobility stipend

Job summary

Guidehouse is seeking a OneStream Junior Developer to support its Defense & Security Segment. You will develop OneStream applications for financial close and payroll, configure cubes and workflows, and assist with legacy data migrations.

The role requires a clearable Public Trust, a related bachelor’s degree, and at least one year of OneStream experience. You’ll participate in Agile ceremonies and collaborate with senior staff to ensure audit readiness and compliance.

Qualifications

• Must be able to OBTAIN and MAINTAIN a Federal or DoD PUBLIC TRUST; candidates must obtain approved adjudication prior to onboarding.
• Active PUBLIC TRUST or SUITABILITY is preferred.
• Bachelor's degree in engineering, computer science, finance, accounting, data analytics, information systems, or related field.
• One (1) year of OneStream development experience including configuring workflows, Cube Views, Business Rules, data integration, dashboards, and reporting solutions.

Responsibilities

• Develop OneStream applications focusing on financial close, reconciliation, and payroll management.
• Configure cubes, dimensions, workflows, business rules, and forms.
• Support data migration, validation, reconciliation, and parallel comparisons with legacy systems.
• Develop, test, and document OneStream business rules and enhancements.
• Collaborate with senior developers and analysts to implement requirements aligned with audit readiness and financial compliance.
• Participate in Agile ceremonies and contribute to iterative development cycles to deliver quality solutions.

Skills

OneStream development

SQL Server

ERP systems

Agile

Communication

Education

Bachelor's degree

Tools

OneStream platform

Job description

Job Family: Software Development & Support Travel Required: Up to 10% Clearance Required: Ability to Obtain Public Trust

What You Will Do:

Guidehouse is currently seeking a qualified OneStream Junior Developer to support Guidehouse's Defense & Security Segment.

• Develop OneStream applications that focus on financial close, financial reconciliation, and payroll management.
• Configure OneStream cubes, dimensions, workflows, business rules, and forms.
• Support migration activities related to legacy tool retirement, including data loads, data validation, reconciliation, and parallel comparisons between legacy systems and OneStream.
• Support the development, testing, and documentation of OneStream business rules and system enhancements.
• Collaborate with senior developers and business analysts to implement business and technical requirements for OneStream applications that are in alignment with audit readiness and financial management compliance standards.
• Participate in Agile ceremonies, coordinate personal product backlog with senior developers, and actively participate in iterative development cycles to deliver high-quality solutions.

What You Will Need:

• Must be able to OBTAIN and MAINTAIN a Federal or DoD "PUBLIC TRUST"; candidates must obtain approved adjudication of their PUBLIC TRUST prior to onboarding with Guidehouse.
• Candidates with an ACTIVE PUBLIC TRUST or SUITABILITY are preferred.
• Bachelor's degree in engineering, computer science, finance, accounting, data analytics, information systems, or a related field.
• ONE (1) years of relevant OneStream development experience including configuring and supporting OneStream workflows, Cube Views, Business Rules, data integration, dashboards, and reporting solutions.

What Would Be Nice To Have:

• OneStream certification (any level).
• Completion of OneStream training programs and demonstrated hands‑on experience supporting OneStream applications.
• Knowledge of federal financial management processes, audit readiness requirements, and compliance standards.
• Experience with SQL Server.
• Exposure to API integrations and automation solutions and basic knowledge of ETL tools and data warehousing concepts.
• Experience with ERP systems such as SAP, Oracle, Workday, PeopleSoft, or Microsoft Dynamics.
• Exposure to or general understanding of Agile project delivery methodologies.
• Excellent communication and stakeholder engagement skills, including client-facing and technical writing.
• Ability to manage competing priorities and deliver under tight timelines with minimal supervision.
• Experience supporting parallel testing, UAT, and legacy financial data migration efforts.
• Understanding of financial reporting, budgeting, planning, and financial consolidation processes, and general knowledge of GL structures and financial data relationships.

What We Offer:

• Medical, Rx, Dental & Vision Insurance
• Personal and Family Sick Time & Company Paid Holidays
• Position may be eligible for a discretionary variable incentive bonus
• Parental Leave and Adoption Assistance
• 401(k) Retirement Plan
• Basic Life & Supplemental Life Health Savings Account, Dental/Vision & Dependent Care Flexible Spending Accounts
• Short-Term & Long-Term Disability
• Student Loan PayDown Tuition Reimbursement, Personal Development & Learning Opportunities
• Skills Development & Certifications
• Employee Referral Program
• Corporate Sponsored Events & Community Outreach
• Emergency Back-Up Childcare Program
• Mobility Stipend

Guidehouse is an Equal Opportunity Employer - Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation.

Guidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco.

If you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at 1-571-633-1711 or via email at [e-mail]. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation. All communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or [e-mail]. Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse.

Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors. With an integrated business technology approach, Guidehouse drives efficiency and resilience in the healthcare, financial services, energy, infrastructure, and national security markets. Built to help clients across industries outwit complexity, the firm brings together approximately 18,000 professionals to achieve lasting impact and shape a meaningful future. guidehouse.com