CareerPlan

Sr OneStream Developer

US - VA, ArlingtonFull-time$113k–$188k2026-11-05 → 2026-11-10

Core

Lead end-to-end design, development, configuration, and deployment of OneStream applications for financial close, reconciliation, and payroll management within the Defense & Security segment.

Role type

Senior OneStream Developer (Financial Systems)

Builds

OneStream applications, Business Rules, Dashboards, Cube Views, and reporting solutions

Domain

Defense & Security / Financial Management

Required skills

OneStream configuration, OneStream Certified Associate (OCA), enterprise application development, solution design, data migration, legacy Excel/Access data mapping, federal financial management standards, Agile/Scrum, technical leadership, mentoring

Preferred skills

OneStream Certified Lead Architect, SAP integration, API integrations, ETL tools, data warehousing, GL accounting, federal audit readiness

Technologies

OneStream, Excel, Access, SAP

Responsibilities

Lead system testing, deployments, troubleshooting, and production support; Mentor junior developers; Manage client relationships; Participate in Agile ceremonies and backlog refinement; Ensure compliance with federal financial management standards

Seniority

Senior, hands-on IC with mentorship responsibilities