Integration Analyst; HL​/RPC​/API

About NDi

Network Designs, Inc. (NDi) is a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions for government customers. Founded in 1985, NDi's firmly defined core values have driven all aspects of the business, which have been paramount to our company's success and the establishment of an enjoyable workplace atmosphere. At NDi, we believe that our people are the cornerstone of our success, and we value collaboration, career growth, and winning ideas.

The Integration Analyst (HL7/RPC/API) will be responsible for analyzing and documenting legacy and modern system integrations to support accurate system decomposition and modernization planning. This role focuses on understanding HL7 interfaces, RPC-based interactions, and API-driven integrations, including data flows, interface behaviors, and system dependencies. The candidate will work closely with architects, engineers, and business stakeholders to ensure integration knowledge is clearly captured and informs modernization decisions.

• U.S. Citizenship required.
• Must be able to obtain and maintain a Public Trust clearance.
• This position is remote but may require occasional onsite meetings in McLean, VA.
• You can be based out of the following states: AZ, DC, FL, GA, OH, ME, MD, SC, TX, UT, VA, NC, OK, WV.

• Bachelor's Degree in Computer Science, Information Technology, Systems Engineering, or a related field.
• At least 5 years of experience in systems analysis, integration analysis, or a related role.
• Experience analyzing HL7 interfaces, RPC-based integrations, and RESTful APIs.
• Strong understanding of backend service architectures using Java 17+, Spring Boot, and Spring Web Flux.
• Familiarity with Oracle DB as an integration data source.
• Experience analyzing event-driven architectures using Kafka.
• Awareness of Redis usage in distributed systems for caching or lookup purposes.
• Familiarity with containerized environments using Docker and Kubernetes.
• Familiarity with frontend architectures such as React or Next.js to understand end-to-end data flows.
• Proficiency using Git Hub for version control and documentation management.
• Strong analytical, documentation, and communication skills.
• Ability to work independently and manage multiple analysis efforts.

• Experience supporting system modernization or legacy system decomposition initiatives.
• Experience in government, healthcare, or other regulated environments.
• Familiarity with eligibility, enrollment, or policy-driven systems.
• Experience creating architectural diagrams and integration maps.

• Analyze existing HL7, RPC, and API integrations across legacy and modern systems.
• Document data flows, interface contracts, message structures, and integration behaviors.

• Identify system dependencies, coupling points, and integration risks within legacy environments.
• Support decomposition and modernization planning by providing accurate integration analysis artifacts.

• Map end-to-end data flows across services, databases, and messaging components.
• Document upstream and downstream dependencies impacting eligibility, enrollment, or operational workflows.

• Analyze event-driven integrations involving Kafka to understand asynchronous processing and data propagation.
• Support traceability of events across distributed systems.

• Collaborate with backend engineers, platform teams, and frontend teams to validate integration assumptions.
• Work with teams supporting Java 17+, Spring Boot, and Spring Web Flux services.

• Provide integration insights to support API redesign, service boundaries, and modernization sequencing.
• Assist in identifying opportunities to simplify, consolidate, or retire integrations.

• Maintain clear, version-controlled documentation of integrations, diagrams, and analysis artifacts.
• Manage integration documentation and artifacts using Git Hub.

• Stay current on integration patterns, interoperability standards, and modernization best practices.
• Continuously improve documentation quality and analytical approaches.

At NDi, we value our team and are committed to retaining top talent by offering competitive benefits and compensation packages. Our employee benefits package includes comprehensive health, dental, vision, pet, and legal insurance. Our corporate benefits include 401(k) retirement matching, paid leave, paid holidays, and health and wellness programs. In addition, we provide employer-paid life and disability insurance, professional development, education benefits, and much more to ensure our team has the resources they need to thrive on and off the job.