Senior Oracle Integration – API Engineer

🕒 September 8

🇺🇸 United States – Remote

💵 $114.6k - $252.1k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 13%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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CACI International Inc

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1962

🎖️ Defense

🏛️ Government

🔒 Cybersecurity

🔥 Funding within the last year

💰 $500M Post-IPO Debt on 2026-02

Defense • Government • Cybersecurity

CACI International Inc is a U. S. -based government contractor that provides technologies and professional services to national security, defense, and federal civilian customers. CACI delivers solutions across cyber and digital operations, enterprise IT modernization, electronic warfare, counter-unmanned systems (C-UxS), space and optical communications, agile DevSecOps software development, and mission engineering and logistics support. The company positions itself as a large prime contractor that uses advanced software, analytics, sensing, and hardware to detect and counter evolving threats and modernize government technology architectures.

📋 Description

• Design, develop, and maintain integration interfaces between Oracle Fusion Cloud HCM and federal HR systems • Engineer bidirectional payroll integration interfaces with federal payroll shared service providers, implementing HCM Extract and payroll costing flows • Build and configure OIC integration flows using adapters, orchestration patterns, error handling, and retry logic • Implement integration endpoints through the federal APIM gateway using OAuth 2.0, REST/JSON, and OpenAPI 3.0 • Develop event-driven, webhook-based, near-real-time integrations for benefits enrollment, payroll changes, and personnel action notifications • Design and implement integration monitoring dashboards, alerting rules, and automated error recovery workflows • Create and maintain technical design documents, interface control documents, data mapping specifications, and API documentation • Support FEHB Data Hub integrations involving enrollment, reconciliation, and premium remittance exchanges • Collaborate with cybersecurity engineers on FIPS 140-3 encryption, CUI protocols, and SCIM 2.0 identity provisioning compliance • Participate in SAFe Agile ceremonies and integration testing • Support parallel payroll validation testing through automated comparison tools • Serve as a recognized technical authority across multiple workstreams or Agile Release Trains • Lead and mentor technical and functional team members and provide technical perspectives to senior program leadership

🎯 Requirements

• Must be able to obtain and maintain a Public Trust clearance • U.S. Citizenship required • Bachelor’s degree and 10 years of relevant experience; additional experience may be substituted for degree • 10+ years of professional experience in integration development, API engineering, or enterprise middleware • 8+ years of hands-on experience with Oracle Integration Cloud (OIC), Oracle SOA Suite, or similar platforms • Strong proficiency in REST API development, JSON/XML, OAuth 2.0, and OpenAPI 3.0 specification design • Experience with Oracle Fusion Cloud HCM APIs including SOAP/REST, HCM Extracts, HDL/HSDL, BIP, and BI Publisher • Demonstrated experience with SFTP, message queuing, and batch file-based enterprise integration patterns • Familiarity with CI/CD pipelines and Git • Experience working within SAFe Agile environments • Desired: 11+ years of integration engineering experience with significant Oracle Fusion Cloud or Oracle ERP Cloud work • Oracle Cloud Infrastructure (OCI) or Oracle Integration Cloud certification desired • Experience integrating with federal HR systems such as EHRI, eOPF, USA Staffing, NFC, DFAS, and Employee Express desired • Familiarity with federal APIM architecture and FedRAMP-authorized integration environments desired • Experience with event-driven architectures, webhooks, or streaming integration patterns desired • Knowledge of federal data standards including EHRI XML schemas, EDF/FDF/IDF formats, and HR-XML desired • Scripting proficiency in Python, Groovy, or JavaScript for transformation logic and automated testing desired • Experience with Oracle Cloud technologies (OIC and/or OCI) in enterprise HCM/ERP environments desired

🏖️ Benefits

• Flexible time off benefit • Robust learning resources • Healthcare benefits • Wellness benefits • Financial benefits • Retirement benefits • Family support benefits • Continuing education benefits • Time off benefits • Competitive compensation • Learning and development opportunities