Ensemble Cache Developer

Summary

Join VetsEZ as an experienced Ensemble / Caché Developer to support the Department of Veterans Affairs (VA)'s Electronic Health Record (EHR) modernization efforts. Develop and maintain data interfaces and message flows using InterSystems Ensemble and Caché technologies. The ideal candidate possesses a strong background in message transformation, interface development, and real-time data exchange within clinical or government healthcare systems. This position requires U.S. citizenship and the ability to obtain and maintain a Public Trust clearance. Responsibilities include designing, developing, and maintaining Ensemble productions, building message routing logic, developing data transformation routines, monitoring Ensemble logs, configuring secure message transmission pipelines, creating and loading IRIS or SQL tables, collaborating with system engineers, contributing to deployment planning, and creating technical documentation. The role demands strong problem-solving and communication skills.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related technical field
• 5+ years of experience developing with InterSystems Ensemble and Caché, including ObjectScript and HL7/FHIR integration
• Strong understanding of message-based integration patterns and healthcare interoperability standards
• Experience developing and supporting Ensemble productions in complex, high-volume environments
• Ability to analyze trace and error logs, troubleshoot interface failures, and identify performance bottlenecks
• Familiarity with IRIS or Caché databases, including SQL integration and performance tuning
• Excellent communication and documentation skills, with a focus on interface traceability and auditability
• U.S. citizenship and ability to obtain and maintain a Public Trust clearance

Responsibilities

• Design, develop, and maintain Ensemble productions, including custom Services, Processes, and Operations for handling clinical and operational data flows
• Build and enhance message routing logic, domain configurations, schema management, and production-level integrations using InterSystems tools
• Develop and maintain data transformation routines using ObjectScript, XSLT, and HL7 parsing tools to support inbound and outbound messages
• Monitor Ensemble logs, trace files, and queues to track suspended messages, retry attempts, and processing errors
• Configure secure message transmission pipelines and implement custom business rules to support health data validation and routing
• Create and load IRIS or SQL tables using Historical Pull methods and work with developers to refine Ensemble interfaces across all environments
• Collaborate with system engineers and developers to integrate Ensemble with VX130 mirror systems, Oracle Health platforms, and the VA Corporate Data Warehouse
• Contribute to deployment planning, regression testing, and configuration management for production Ensemble environments
• Create and maintain technical documentation, including interface control documents, message tracking reports, and configuration guides

Preferred Qualifications

• Experience supporting VA systems or large-scale federal healthcare data platforms
• Familiarity with VX130, IRIS Mirrors, and Oracle Health data integration environments
• Experience with REST, SOAP, and file-based integration models
• Knowledge of container-based environments and deployment practices (e.g., Docker, Kubernetes)
• InterSystems certifications or HL7/FHIR integration credentials

Benefits

• Medical, Dental, and Vision insurance
• 401(k) with Employer Match
• PTO and Federal Holidays
• Corporate-provided Laptop
• Training and Professional Development Opportunities
• Fully Remote Role