Ensemble Cache Developer

Title Ensemble Cache Developer

Location Remote
About the Organization
Hui Huliau is a nonprofit Native Hawaiian Organization (NHO) and community service organization whose business activities principally benefit Native Hawaiians. As an NHO we operate under U. S. Small Business Administration (SBA) regulations and own small businesses that participate in the SBA 8(a) Business Development Program for minority owned companies. Our small businesses provide a variety of contracted services to the U. S. Military, U. S. Civilian agencies, and commercial customers at locations worldwide.

Profits from Hui Huliau's for-profit subsidiaries help sustain important education, social, economic, and cultural preservation programs that serve Native Hawaiians in the Waianae community. The Waianae Coast on the western side of the island of Oahu has the highest per capita percentage of Native Hawaiians in the world and the highest poverty and unemployment rate in the State of Hawaii.

Our mission to strengthen our communities, make a positive impact on the lives we touch, and provide a brighter future for the Native Hawaiian people through education, economic opportunities, and the preservation of the Hawaiian language and culture. Hui Huliau employees help us achieve this mission by providing outstanding service to our customers.

Shift Days
Description
Job Summary

Hui Huliau Technology Services is seeking an Esemble Cache Developer to join our team. This role is responsible for developing and maintaining data interfaces and message flows using InterSystems Ensemble and Cach technologies in support of the VA's Electronic Health Record (EHR) modernization efforts. The ideal candidate brings a strong background in message transformation, interface development, and real-time data exchange in clinical or government healthcare systems. This position requires U.S. citizenship, U.S. residency, and the ability to obtain and maintain a Public Trust clearance.

Principal Duties and 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.

Experience and Education Requirements:

• Bachelor's degree in computer science, Engineering, or a related technical field OR 8 years of additional relevant work experience may be substituted for educational requirement.
• 5+ years of experience developing with InterSystems Ensemble and Cach, 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 Cach 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.
• Able to travel, as needed.

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.

Physical Environment

• Predominantly Sedentary work. Work is performed in an office or home office environment and requires the ability to operate standard office equipment and keyboards. Requires the ability to walk short distances.
• Exerting up to 15 pounds of force occasionally and/or negligible amount of force frequently or constantly to lift, carry, push, pull or otherwise move objects.
• Repetitive motion. Substantial movements (motions) of the wrists, hands, and/or fingers. The worker is required to have close visual acuity to perform an activity such as preparing and analyzing data and figures; transcribing; viewing a computer terminal; extensive reading.

Hui Huliau and its subsidiaries are participants of E-Verify.

Hui Huliau and its subsidiaries are drug free workplaces.

Full-Time/Part-Time Full-Time
Position Ensemble Cache Developer
Position Requirements
Please see job description above.

EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by law.
Salary $ DOE + Salary
Direct Contract/Indirect Department Direct
Division Hui Huliau Technology Services, LLC
Close Date
Created By Jamie Wolcott
Number of Openings 1
Number Filled 0
Exempt/Non-Exempt Exempt
Hiring Manager(s) Jamie Wolcott
Open Date 8/20/2025

This position is currently accepting applications.