Job Title:

Senior Interface Analyst Location:

Quincy, MA 02171 (Hybrid)

Job Type:

Contract Job Overview The Senior Interface Analyst supports a large state government Medicaid Management Information System (MMIS) program. The analyst manages end-to-end interface operations — from requirements gathering and specification design through implementation, testing, and post-go-live stabilization. The role involves deep engagement with both business and technical stakeholders on healthcare interoperability standards including

HL7, FHIR, EDI/X12, REST/SOAP

APIs, and secure file-transfer protocols. Key Responsibilities Requirements & Documentation Gather, analyze, document, and validate interface and interoperability requirements in collaboration with business and technical teams; define and maintain Interface Control Documents (ICDs), schemas, and data mappings. Interface & API Design Lead JAD and interface design sessions; define field-to-field mappings, transformation rules, error handling, and

REST/SOAP/FHIR API

specifications including endpoints, payloads, and authentication. CMS Interoperability Initiatives Support FHIR-based Patient Access, Provider Access, and Prior Authorization API implementations aligned with CMS interoperability mandates. Testing & Quality Assurance Develop and review interface test scenarios; coordinate SIT, UAT, end-to-end, and regression testing cycles across integrated systems. Incident Management & Troubleshooting Troubleshoot interface failures, rejected transactions, and production incidents using log-parsing and API tracing tools (Splunk, Datadog, Dynatrace). Secure File Transfer Support SFTP and secure file-transfer interfaces including PGP encryption setup, monitoring, and issue resolution. End-to-End Interface Ownership Take full ownership of assigned interfaces from requirements definition through post-go-live stabilization, ensuring continuity across all SDLC phases.

Technical Skills Healthcare Interoperability Standards:

HL7, FHIR, EDI/X12, flat-file exchanges

APIs & Web Services:

REST APIs, SOAP Web Services, XML, JSON Secure Transfer & Encryption:

SFTP, PGP

Encryption, Unix/Linux environments

Databases & Data:

SQL, database validation techniques, data mapping

Monitoring & Observability Tools:

Splunk, Datadog, Dynatrace (log parsing, API tracing) Cloud Platforms (Preferred): AWS, Microsoft Azure integration environments

Methodology & Process:

SDLC (all phases),

Agile/Scrum, SIT, UAT, Regression Testing Domain:

MMIS, Medicaid Systems, healthcare interoperability, Gap Analysis, Requirements Gathering Soft Skills Strong written and verbal communication — ability to translate technical specifications for business stakeholders Stakeholder management and cross-functional collaboration (business + technical teams) Analytical problem-solving and troubleshooting under production-incident pressure Thorough documentation discipline (ICDs, requirement specs, test scenarios) Qualifications Bachelor's degree in Computer Science, Information Systems, Health Informatics, or a related field (or equivalent experience) 8+ years of hands-on experience in interface analysis, healthcare interoperability, or a closely related technical BA/analyst role Prior Medicaid or MMIS system experience strongly preferred