[Remote] Oracle Integration & API Engineer
Note: The job is a remote job and is open to candidates in USA. CACI International Inc is seeking a Principal Consultant specializing in Oracle Integration and API Engineering to support a federal HR modernization program. The role designs and delivers secure, scalable integrations between Oracle Fusion Cloud HCM and federal HR systems, while serving as a technical expert, resolving complex issues, and mentoring junior team members.
Responsibilities
- Design, develop, and maintain integrations between Oracle Fusion Cloud HCM and federal HR systems (EHRI, eOPF, USA Staffing, USA Performance, Employee Express, MyPay)
- Engineer bidirectional payroll integrations with federal shared service providers (NFC, DFAS, IBC, GSA) using HCM Extract and provider-specific data formats
- Build and configure integration flows in Oracle Integration Cloud (OIC), applying orchestration patterns, error handling, and retry logic to meet uptime SLAs
- Implement integration endpoints through the federal API Management (APIM) gateway using OAuth 2.0, REST/JSON, and OpenAPI 3.0
- Develop event-driven and webhook-based integrations supporting near-real-time data synchronization
- Create integration monitoring dashboards, alerts, and automated error recovery workflows to ensure timely resolution of issues
- Produce technical documentation, interface control documents (ICDs), data mappings, and OpenAPI 3.0 specifications
- Support FEHB Data Hub integrations for benefits carriers, including enrollment, reconciliation, and premium remittance workflows
- Collaborate with cybersecurity teams to ensure compliance with FIPS 140‑3 encryption, CUI protocols, and SCIM 2.0 provisioning
- Participate in SAFe Agile ceremonies, sprint planning, backlog refinement, and integration testing
- Build automated payroll comparison tools to support parallel testing during agency migration waves
- Analyze and resolve complex technical issues; mentor junior team members and support small technical initiatives within the integration team
Skills
- US Citizenship required; must be able to obtain and maintain a Public Trust clearance
- Bachelor's degree and 7 years of relevant experience (additional experience may substitute for degree)
- 7+ years of experience in integration development, API engineering, or middleware administration
- 5+ years of hands-on experience with Oracle Integration Cloud (OIC), Oracle SOA Suite, or similar enterprise integration tools
- Strong proficiency with REST APIs, JSON/XML, OAuth 2.0, and OpenAPI 3.0
- Experience with Oracle Fusion Cloud HCM APIs, HCM Extracts, HDL/HSDL, and BI Publisher
- Experience with SFTP, message queuing, and batch data exchange patterns
- Familiarity with CI/CD pipelines and Git for integration version control
- Ability to work within SAFe Agile teams and collaborate across technical and functional groups
- 8+ years of experience in integration engineering with significant Oracle Fusion Cloud or Oracle ERP Cloud work
- Oracle Integration Cloud (OIC) or Oracle Cloud Infrastructure (OCI) certification
- Experience integrating with federal HR systems (EHRI, eOPF, USA Staffing, NFC, DFAS, Employee Express)
- Familiarity with federal APIM gateway standards or FedRAMP integration environments
- Experience with webhook architectures and event-driven integration patterns
- Knowledge of federal HR data standards (EHRI XML, EDF/FDF/IDF, HR‑XML)
- Scripting experience with Python, Groovy, or JavaScript
- Experience using OIC and OCI in enterprise HCM or ERP environments
Benefits
- A unique flexible time off benefit
- Access to robust learning resources
- Healthcare benefits
- Wellness benefits
- Financial benefits
- Retirement benefits
- Family support benefits
- Continuing education benefits
- Time off benefits
Company Overview