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