[Remote] Oracle Integration & API Engineer

Note: The job is a remote job and is open to candidates in USA. CACI International Inc is seeking an Oracle Integration and API Engineer to design, build, and sustain the integration fabric that connects Oracle Fusion Cloud HCM to the federal HR technology ecosystem. The role involves engineering bidirectional interfaces, building integration flows, and ensuring compliance with federal standards for a large-scale federal HCM modernization program.

Responsibilities

• Design, develop, and maintain integration interfaces between Oracle Fusion Cloud HCM and federal HR ecosystem systems including EHRI (XML/SFTP), eOPF (EDF/FDF/IDF feeds), USA Staffing (RPI/NHI/TUAPI), USA Performance, Employee Express, and MyPay
• Engineer bidirectional payroll integration interfaces with federal payroll shared service providers (e.g., NFC, DFAS, IBC, GSA), implementing HCM Extract and payroll costing flows per provider-specific file specifications
• Build and configure integration flows using Oracle Integration Cloud (OIC), leveraging OIC adapters, orchestration patterns, error handling, and retry logic to meet program uptime SLAs
• Implement all integration endpoints through the federal API Management (APIM) gateway, adhering to OAuth 2.0 authentication, REST/JSON message formats, and OpenAPI 3.0 specification standards
• Develop webhook-based event-driven integrations and near-real-time data synchronization flows for time-sensitive transactions including benefits enrollment, payroll changes, and personnel action notifications
• Design and implement integration monitoring dashboards, alerting rules, and automated error recovery workflows to ensure proactive issue detection and resolution within SLA timeframes
• Create and maintain comprehensive integration technical design documents, interface control documents (ICDs), data mapping specifications, and API documentation using OpenAPI 3.0 format
• Support FEHB Data Hub integration for benefits carrier connectivity, implementing enrollment, reconciliation, and premium remittance data flows per federal specifications
• Collaborate with cybersecurity engineers to ensure all integration endpoints implement FIPS 140-3 encryption, CUI handling protocols, and SCIM 2.0 identity provisioning where required
• Participate in SAFe Agile ceremonies, contributing to sprint planning, backlog refinement, and integration testing coordination across functional and technical Agile Release Trains
• Support parallel payroll validation testing by building automated comparison tools that reconcile Oracle Fusion Cloud HCM payroll outputs against legacy system outputs for each agency migration wave
• Apply established methods, standards, and practices to independently resolve functional and technical issues of moderate scope, contributing to team knowledge bases and consulting with senior staff on complex or unfamiliar problems as they arise
• Communicate effectively with project team members and direct stakeholders to report progress, explain technical approaches, and support collaborative problem-solving within assigned workstreams and Agile Release Train ceremonies

Skills

• Applicable combination of education and experience: T3 - Bachelor's degree and 4+ years of professional experience in integration development, API engineering, or middleware administration for enterprise applications. 3+ years of hands-on experience developing integrations using Oracle Integration Cloud (OIC), Oracle SOA Suite, or equivalent enterprise integration platforms
• T4 - Bachelor's degree and 6+ years of professional experience in integration development, API engineering, or middleware administration for enterprise applications. 5+ years of hands-on experience developing integrations using Oracle Integration Cloud (OIC), Oracle SOA Suite, or equivalent enterprise integration platforms
• Strong proficiency in REST API development, JSON/XML data formats, OAuth 2.0 authentication, and OpenAPI 3.0 specification design
• Experience with Oracle Fusion Cloud HCM APIs including SOAP/REST web services, HCM Extracts, HDL/HSDL, BIP reports, and BI Publisher for data exchange
• Demonstrated experience with SFTP, message queuing, and file-based integration patterns for batch data exchange in enterprise environments
• Familiarity with CI/CD pipelines and version control systems (Git) for managing integration artifacts in a DevOps environment
• Ability to work within SAFe Agile delivery teams and collaborate across functional, technical, and security team boundaries
• Must be able to obtain and maintain a Public Trust clearance (US Citizenship required)
• Additional experience may substitute for degree
• 6+ years of integration engineering experience with significant Oracle Fusion Cloud or Oracle ERP Cloud integration work
• Oracle Cloud Infrastructure (OCI) or Oracle Integration Cloud certification
• Experience integrating with federal HR systems such as EHRI, eOPF, USA Staffing, NFC payroll, DFAS payroll, or Employee Express
• Familiarity with the federal APIM gateway architecture, federal API management standards, or FedRAMP-authorized integration environments
• Experience with event-driven architectures, webhooks, and real-time streaming integration patterns
• Knowledge of federal data standards including EHRI XML schemas, eOPF document format specifications (EDF/FDF/IDF), and HR-XML standards
• Python, Groovy, or JavaScript scripting proficiency for integration transformation logic and automated testing
• Experience with Oracle Cloud technologies including Oracle Integration Cloud (OIC) and/or Oracle Cloud Infrastructure (OCI) in enterprise HCM or ERP environments

Benefits

• Healthcare
• Wellness
• Financial
• Retirement
• Family support
• Continuing education
• Time off benefits

Company Overview