[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 initiative. The role designs and maintains integrations between Oracle Fusion Cloud HCM and federal HR systems, develops API and event-driven integration flows, and provides senior technical guidance across the program.

Responsibilities

• Design, develop, and maintain integration interfaces between Oracle Fusion Cloud HCM and systems such as EHRI (XML/SFTP), eOPF (EDF/FDF/IDF), USA Staffing (RPI/NHI/TUAPI), USA Performance, Employee Express, and MyPay
• Engineer bidirectional payroll integrations with federal shared service providers (NFC, DFAS, IBC, GSA) using HCM Extracts and payroll costing flows aligned with provider specifications
• Build integration flows in Oracle Integration Cloud (OIC) using adapters, orchestration patterns, error handling, and retry logic to meet program uptime SLAs
• Implement integration endpoints through the federal API Management (APIM) gateway using OAuth 2.0, REST/JSON, and OpenAPI 3.0 standards
• Develop webhook‑based, event-driven integrations supporting near-real-time synchronization for benefits enrollment, payroll changes, and personnel action events
• Design monitoring dashboards, alerts, and automated error‑recovery workflows to ensure proactive identification and resolution of issues
• Create and maintain integration technical design documentation, interface control documents (ICDs), data mapping specifications, and API documentation using OpenAPI 3.0
• Support FEHB Data Hub integrations, including enrollment, reconciliation, and premium remittance workflows
• Partner with cybersecurity teams to ensure integrations meet FIPS 140‑3 encryption requirements, CUI handling protocols, and SCIM 2.0 provisioning needs
• Participate in SAFe Agile ceremonies, supporting sprint planning, backlog refinement, and integration testing across Agile Release Trains
• Build automated comparison tools for parallel payroll validation testing across agency migration waves
• Analyze and resolve complex technical issues while mentoring junior consultants and contributing to team strategy and deliverable reviews
• Lead small technical initiatives within the integration workstream and guide team members on Oracle Fusion Cloud HCM best practices

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 integration platforms
• Strong proficiency with REST APIs, JSON/XML, OAuth 2.0, and OpenAPI 3.0
• Experience with Oracle Fusion Cloud HCM APIs, SOAP/REST services, HCM Extracts, HDL/HSDL, and BI Publisher
• Experience with SFTP, message queuing, and batch file-based integration patterns
• Familiarity with CI/CD pipelines and Git for managing integration artifacts
• Ability to work within SAFe Agile teams and collaborate across functional, technical, and security groups
• 8+ years of integration engineering experience with Oracle Fusion Cloud or Oracle ERP Cloud
• 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 architecture or FedRAMP‑authorized integration environments
• Experience with event-driven architectures, webhooks, and real‑time integration patterns
• Knowledge of federal data standards (EHRI XML schemas, EDF/FDF/IDF formats, HR‑XML)
• Scripting experience with Python, Groovy, or JavaScript
• Experience with Oracle Cloud technologies (OIC, OCI) supporting enterprise HCM/ERP integrations

Benefits

• Primarily remote work, with onsite reporting in Reston as business needs arise.
• 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