For federal, state, and local agencies and prime contractors

Architecture and engineering for mission delivery.

Enterprise architecture, application modernization, and systems integration. Senior technical leadership and hands-on engineering support for defined government work packages.

Core competencies

Support across the delivery lifecycle.

Enterprise Architecture and Modernization

Assess legacy applications and integration dependencies, define target architectures, and develop phased modernization roadmaps. Provide technical leadership and architecture governance to guide implementation and preserve operational continuity.

Application Development and Sustainment

Support agile software development, application enhancements, testing, and production issue resolution. Establish maintainable designs and engineering practices that support continued system operation and future change.

Cloud Migration and Systems Integration

Design cloud and hybrid-system architectures, application interfaces, and secure data exchanges. Plan migration, integration testing, deployment, and cutover with attention to dependencies, access controls, and resilience.

Data Engineering and Workflow Automation

Support enterprise data modernization, data sourcing and integration, and repeatable processing workflows. Design automation that reduces manual handling and improves data consistency and traceability.

AI Evaluation and Implementation Support

Evaluate AI use cases, support bounded prototypes, and integrate AI-assisted workflows with existing applications. Apply experience guiding AI-assisted development and model selection, alongside ongoing research into agentic AI implementation. Define human review, access boundaries, and evaluation criteria appropriate to the use case.

Principal-led expertise

Terrance Addison

Managing Principal & Lead Architect

28 years of industry experience spanning software engineering and solution architecture across financial services, healthcare, energy, and state and local government.

Experience includes modernization planning, secure integration, privacy-workflow automation, and technical governance. AI work combines adoption guidance and model selection with ongoing research into dependable agentic AI implementation.

Meet our principal →

Relevant leadership experience.

The following examples reflect the principal’s work in prior professional roles, rather than contracts performed by Xenvya.

Legacy application modernization

Led architecture and integration design for replacing a long-established operational platform with a cloud-native, event-driven approach. Defined application interfaces and migration boundaries for complex business rules and external data exchanges.

Enterprise data modernization

Led discovery and dependency analysis across an established data-processing environment, identifying integration impacts and modernization requirements for legacy workflows.

Privacy workflow automation

Designed cross-system processing for sensitive-information requests, including identity resolution and response workflow orchestration.

Identity and access management

Designed an approach to connect legacy applications with modern customer identity services and developed supporting integration components and a prototype.

Procurement information

Company identifiers and service codes.

Legal business name
Xenvya Consulting LLC
EIN
85-2284262
CAGE code
8PG51

NAICS codes

  • 541512 (Primary)Computer Systems Design Services
  • 541511Custom Computer Programming Services
  • 541519Other Computer Related Services
  • 518210Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
  • 541611Administrative Management and General Management Consulting Services

Relevant PSC codes

Service classifications aligned with Xenvya’s architecture, application development, and cloud support capabilities.

  • DA01IT and Telecom - Business Application/Application Development Support Services (Labor)
  • DF01IT and Telecom - IT Management Support Services (Labor)
  • DB02IT and Telecom - Compute Support Services, Non-HPC (Labor)
Subcontracting and teaming

A technical partner for your delivery team.

Xenvya welcomes teaming arrangements with prime contractors seeking architecture assessments, integration design, application enhancements, data engineering, and implementation support for defined work packages.

For a capability discussion, share the agency or prime contractor, public notice reference if available, scope, and response date. Keep sensitive information out of your initial message.

Xenvya Consulting LLC · Virginia, USA · contact@xenvya.com