Technical Lead Solution Architect

Empower, Innovate, Impact! At Team A-TEK, we EMPOWER people to drive INNOVATION that IMPACTS mission!

A-TEK operates at the intersection of mission and innovation by applying our deep domain expertise across the federal markets. Embracing our digital-first strategy, A-TEK provides enhanced capabilities in application development, digital transformation, enterprise IT, and scientific services. Our solutions are designed to modernize, automate, secure, protect, and enhance the operations of our federal clients, ensuring they stay ahead in a rapidly evolving digital landscape.

Our work is fueled by a passion to serve our clients’ needs and to protect the safety and welfare of Americans. That passion shapes how we nurture our most valuable asset – Our Employees. A-TEK actively cultivates the talent that drives our success and fosters a creative, challenging, and mission-driven work environment for current and future employees.

A-TEK is seeking a Technical Lead / Solution Architect to guide application development and modernization for an NIH customer. The team will continue supporting production systems while migrating approved capabilities from a .NET and Oracle environment toward React, Python, and PostgreSQL. The Technical Lead will turn that transition plan into working designs, coordinated releases, and reliable operations. This position is on-site at the client location in Rockville, MD.

• Lead technical design and implementation for assigned NIGMS applications, APIs, and integrations.
• Guide development of React and Type Script front ends, Python and FastAPI services, and PostgreSQL data capabilities within the Government-approved architecture.
• Plan phased migration from legacy .NET and Oracle components. Define coexistence, data reconciliation, cutover, rollback, stabilization, and retirement criteria for each release.
• Establish practical standards for code review, API contracts, automated testing, accessibility, security, documentation, and operational handoff.
• Coordinate technical dependencies with the NIGMS Dev Sec Ops  organization, cloud and platform teams, security staff, system owners, and other contractors. Maintain clear ownership of decisions and interfaces.
• Support production issue resolution and corrective maintenance while protecting capacity for modernization work.
• Review architecture and release evidence, identify technical risks early, and explain options and tradeoffs to Government stakeholders.
• Help validate undocumented business rules and application flows with users and subject matter experts.
• Evaluate approved automation methods for generating draft design, test, or HHS Enterprise Performance Life Cycle documentation from code and delivery records. Ensure qualified staff review all resulting artifacts.

• Demonstrated experience leading the design and delivery of enterprise applications through a phased modernization.
• Experience designing APIs and integrating applications with identity, data, and enterprise services.
• Experience with relational database design and migration, including PostgreSQL and legacy database environments.
• Experience deploying and supporting applications in AWS using containers, CI/CD pipelines, infrastructure as code, monitoring, and secure development practices.
• Ability to lead developers, review technical work, resolve cross-team dependencies, and communicate clearly with program and technical stakeholders.
• Experience maintaining production service while delivering substantial application changes.
• Ability to meet applicable NIH suitability and system-access requirements.

• Experience with React, FastAPI, GraphQL federation,…