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General information

Requisition #
R66655
Locations
USA-Remote Work
Posting Date
03/18/2026
Security Clearance Required
None
Remote Type
Fully Remote
Time Type
Full time

Description & Requirements

Elevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts now—be extraordinary at MANTECH!

MANTECH seeks a motivated, career and customer-oriented OneStream Solutions Architect to join our team. This is a fully remote opportunity.

Responsibilities include but are not limited to:

  • Architectural Leadership: Lead the design and delivery of technical solutions for OneStream and other market-leading CPM platforms.

  • Sizing & Scoping: Lead the scoping and sizing of OneStream server, application, and database installation, configuration, and maintenance.

  • Financial Close & Consolidation: Design and implement automated solutions for the Financial Close process, including intercompany eliminations, equity pick-up, and multi-currency reporting.

  • MarketPlace & Enhancements: Deploy and configure OneStream MarketPlace solutions to extend platform functionality; lead technical enhancements for complex Formulation and Execution reporting tasks.

  • Data Integration & Strategy: Oversee complex data integration workflows, including specialized integrations with FSMS, DHS OneNumber, and PAL Data.

  • Data Governance: Assist with data management, data governance, dashboard monitoring, data quality dashboards, data controls, data lineage, and data mapping.

  • System Optimization: Install, configure, analyze, tune, and optimize OneStream solutions on cloud and client infrastructure to meet specific customer requirements.

Minimum Qualification:

  • Bachelor’s degree in computer science, Engineering, Information Systems, Mathematics, Business, Accounting, or a related field.

  • 8+ years experience in systems design, infrastructure, tuning, cloud, development, and deployment.

  • 3+ years of direct, full life cycle experience implementing or optimizing OneStream and 3+ years of SQL experience.

  • Proven experience with OFC-related work and implementing MarketPlace solutions.

  • 2+ years of specific OneStream XF installation, configuration, and optimization experience.

  • Experience with OneStream business rules, .NET, VBA, and/or SQL.

  • Ability to identify project risks, provide mitigation options, and escalate to management for resolution.

Preferred Qualifications:

  • Master’s degree in computer science, Engineering, or Information Systems.

  • Experience: Prior experience with ManTech projects and professional services/consulting firms.

  • Experience with VB.NET, SQL Server/Oracle databases, and setting up Single Sign-On for applications.

  • OneStream Certified Professional (OCP) Lead Architect.

  • CompTIA Security Plus certification

Clearance Requirements:

  • Must be a U.S. Citizen

  • Must be and be willing and able to obtain a Secret clearance.

Physical Requirement:

  • Must be able to be in a stationary position more than 50% of the time.

  • Constantly operates a computer and frequently communicates, converses, and exchanges accurate information with peers, management, and customers.

  • Must be able to occasionally move about inside an office to access machinery or file cabinets


The projected compensation range for this position is $148,200.00-$263,000.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, MANTECH invests in its employees beyond just compensation.  MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.