Senior OneStream Architect — Remote

MANTECH; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

MANTECH seeks a Senior OneStream Consultant to lead complex OneStream implementations and guide a team of consultants in a fully remote setting. You will design modules, translate requirements into scalable blueprints, and ensure performance, security, and data integrity across multi-dimensional models.

The role demands deep expertise in VB.NET/C#, SQL, and OneStream architecture, with significant experience leading projects in an Agile/Scrum environment.

Qualifications

• 10+ years in systems design, performance tuning, and cloud architecture.
• 5+ years OneStream development and technical lead experience on enterprise implementations.
• 4+ years OneStream XF installation, environment configuration, and database management.
• Advanced proficiency in VB.NET/C# for custom business rules and assemblies.
• SQL expertise (SQL Server/Oracle) for complex data manipulation and optimization.

Responsibilities

• Translate requirements into technical architecture and multidimensional data models.
• Own technical quality, establish standards, and conduct code reviews across rules, dashboards, and data pipelines.
• Architect and optimize complex Business Rules using VB.NET/C# and advanced SQL procedures.
• Lead system health, performance tuning, and data loading optimizations.
• Direct end-to-end integration strategies including REST APIs, security, and SSO configurations.
• Serve as SME in client architecture sessions and mitigate technical risks.
• Mentor OneStream developers within an Agile/Scrum environment.

Skills

OneStream

VB.NET/C#

SQL

Architecture & Design

Leadership & mentoring

Agile/Scrum

REST API

Education

Bachelor’s degree in Computer Science, Systems Engineering, Information Systems, or related field

Master’s degree (preferred)

Tools

OneStream Platform

SQL Server/Oracle

VB.NET/C# tooling

Job description

MANTECH seeks a Senior OneStream Consultant to lead complex OneStream implementations and guide a team of consultants in a fully remote setting. You will design modules, translate requirements into scalable blueprints, and ensure performance, security, and data integrity across multi-dimensional models.

The role demands deep expertise in VB.NET/C#, SQL, and OneStream architecture, with significant experience leading projects in an Agile/Scrum environment.