Sr OneStream Developer

US101 Guidehouse Inc.; Arlington (VA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical Insurance

Parental Leave

401(k)

Life Insurance

Tuition Reimbursement

Professional Development

Mobility Stipend

Job summary

Guidehouse in Arlington, VA seeks an experienced OneStream Senior Developer to lead end-to-end design, development, and deployment of OneStream solutions focused on financial close, reconciliation, and payroll management.

You will migrate legacy data, implement dashboards and reports, mentor junior developers, and drive delivery with cross-functional teams while ensuring audit readiness and federal compliance.

Qualifications

• Ten years of enterprise application development with design and implementation experience.

Responsibilities

• Lead end-to-end design, development, configuration, and deployment of OneStream applications for financial close, reconciliation, and payroll management.
• Develop and maintain OneStream Business Rules, Dashboards, Cube Views, Workflow configurations, and reporting solutions.
• Migrate legacy data from Excel/Access into OneStream ensuring data integrity and reconciliation.
• Collaborate with cross-functional teams to collect requirements and drive delivery of scalable solutions.
• Lead OneStream testing, deployments, troubleshooting, and production support.
• Ensure compliance with federal financial management standards and audit readiness.

Skills

OneStream

Agile practices

Stakeholder engagement

System testing

Production support

Education

Bachelor's degree in a related field

Tools

OneStream

Job description

Position

OneStream Senior Developer

Job Family

Software Development & Support

Travel

Up to 10%

Clearance

Ability to Obtain Public Trust

What You Will Do

• Lead end-to end design, development, configuration, and deployment of OneStream applications that focus on financial close, financial reconciliation, and payroll management.
• Develop and maintain OneStream Business Rules, Dashboards, Cube Views, Workflow configurations, and reporting solutions.
• Conduct thorough analysis, mapping, migration, and validation of legacy Excel and Access data into OneStream applications while ensuring data integrity and reconciliation.
• Collaborate with cross-functional teams to gather business requirements, prioritize features, and manage delivery of scalable solutions that enhance transparency and efficiency.
• Lead OneStream system testing, deployments, troubleshooting, and ongoing production support.
• Ensure all OneStream applications adhere to federal financial management standards, audit readiness requirements, and applicable compliance frameworks.
• Lead technical workstreams and drive design decisions.
• Mentor and guide junior developers and manage client relationships.
• Participate in Agile ceremonies, manage backlog refinement, estimate development efforts and coordinate 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.
• TEN (10) years of enterprise application development and implementation with deep expertise in solution design, performance optimization, integration, and complex business rule development.
• FIVE (5) years of hands-on OneStream configuration and end-to-end implementation ownership.
• OneStream Certified Associate (OCA) certification.

What Would Be Nice To Have

• OneStream Certified Lead Architect.
• Certifications in Agile, Scrum, or project management (e.g., PMP, CSM, SAFe).
• Experience integrating OneStream with SAP or other ERP systems.
• Experience with API integrations and automation solutions and knowledge of ETL tools and data warehousing concepts.
• Knowledge of GL accounting, financial close and consolidation processes, payroll accounting and accruals, account reconciliations, journal entries and reclassifications, and retroactive and corrective adjustments.
• Understanding of federal financial management processes, audit readiness requirements, and compliance standards.
• Excellent communication and stakeholder engagement skills, with the ability to translate technical concepts into business terms.
• Experience serving as a functional and technical lead for enterprise application initiatives and can lead workshops, requirements gathering sessions, and user adoption initiatives.
• Ability to mentor junior developers, business analysts, and business users.

What We Offer

Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.

• 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

About Guidehouse

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.

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