Senior OneStream Solution Architect

MANTECH seeks a motivated, career and customer-oriented Senior OneStream Consultant to join our team. This is a remote position.

At MANTECH we are re-engineering the financial backbone of the U.S. Government. We provide highly configured, mission-critical Planning, Programming, Budgeting, and Execution (PPBE) and Financial Close and Reporting solutions leveraging the OneStream platform.

As a Senior OneStream Consultant, you will serve as a technical lead and subject matter expert for our most complex implementations. You will work as the Architect—designing entire application modules, translating functional requirements into technical blueprints, and guiding a team of Lead Consultants and Associate Consultants to deliver high-performance solutions. You will own the technical quality of the application, ensuring performant business rules, streamlined security, and scalable data models.

Responsibilities include but are not limited to:

• Applying advanced theoretical knowledge of Computer Science and Engineering principles to proficiently develop, write, test, troubleshoot, and document code and interfaces for financial management applications using the OneStream XF platform
• Developing and troubleshooting a variety of components that include security models, event processes, custom dashboards, reports, business rules, and member formulas, with a focus on enhancing system functionality and efficiency
• Actively participating in various phases of the software development cycle, ranging from systems analysis and design to development, configuration, testing, debugging, and documentation, to ensure the delivery of high-quality software solutions
• Designing and creating financial reports and dashboards based on specific client requirements while adhering to industry best practices to ensure the delivery of accurate and meaningful insights
• Identifying potential project risks, providing risk mitigation options, and escalating unresolved risks to project management to ensure timely resolution and minimal impact on project timelines
• Designing and building data conversion and data load artifacts throughout various project phases, to ensure smooth data migration and accuracy
• Continually expanding your knowledge of OneStream through comprehensive training, financial processes, and industry best practices, to stay abreast of the latest trends and enhance your professional growth
• Working in an agile environment, applying agile practices, and actively participating in daily stand-ups and scrum activities to foster collaborative and efficient project management
• Experience leading with a Consulting Mindset: listening carefully to what others need (client and team members) and being willing and ready to respond to those needs to the best of your ability; looking beyond the “easy” answer working collaboratively to bring the best Mantech has to offer to exceed others’ expectations.

Minimum Qualifications:

• A bachelor’s degree in computer science, Systems Engineering, or Information Systems or related field
• 10+ years of work experience in systems design, infrastructure, tuning/optimization, cloud, development, and deployment
• 5+ years of relevant OneStream experience or comparable experience performing software development, demonstrating a track record of successful project delivery
• 4+ years of OneStream XF installation, configuration, and optimization experience
• Familiar with C# or VB.NET, to handle technical requirements of the role
• SQL experience with SQL Server or Oracle databases, to manage and manipulate data effectively
• Strong analytical and problem-solving abilities, to navigate through complex situations and provide effective solutions

Preferred Qualifications:

• Master’s degree in computer science, engineering, or information systems
• Experience with the federal Planning, Programming, Budgeting, and Execution (PPBE) process or financial management within the government sector.
• VB.NET development experience and/or any object-oriented programming languages
• Experience assisting with ATOs and setting up Single Sign-On for applications
• Work experience in a professional services company and/or a consulting firm
• OneStream Certified Professional (OCP).
• Certified Government Financial Manager (CGFM) or Certified Defense Financial Manager (CDFM).
• CompTIA Security+ certification.

Clearance Requirements:

• US Citizenship with the ability to obtain a Public Trust or higher

Physical Requirements:

• Must be able to remain in a stationary position 50%
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations
• Must be able to exchange accurate information in these situations