{"id":2851545,"url":"https://alion.io/job/caci-international-senior-oracle-integration-api-engineer-2","title":"Senior Oracle Integration & API Engineer","company":{"id":58481,"name":"CACI International","domain":"caci.com","url":"https://alion.io/company/caci-international","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"D","score":43,"open_postings":832,"ghost_share":0.722,"stale_share":0.01,"repost_share":0.871,"time_to_fill_p50_days":46,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Reston, United States","United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":114600,"max":252100,"currency":"USD","period":"year","gross":null,"usd_annual":252100},"salary_estimate":null,"experience_years_min":11,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"FedRAMP","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Oracle ERP","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"SOAP","optional":false}],"status":"live","first_seen_at":"2026-09-08T00:00:00Z","employer_posted_date":"2026-09-08","last_verified_at":"2026-10-22T03:44:55Z","board_verified":false,"closed_at":null,"days_open":47,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":47},"description":"Job Title: Senior Oracle Integration & API EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: NoneEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * * The Opportunity:\nCACI is seeking a Senior Principal Consultant (Oracle Integration & API Engineer) to design, build, and sustain the integration fabric that connects Oracle Fusion Cloud HCM to the broader federal HR technology ecosystem. This role supports a large-scale federal HCM modernization program that is replacing legacy HR systems across multiple federal agencies serving civilian employees.\nYou will engineer bidirectional interfaces between Oracle Fusion Cloud HCM and systems such as EHRI, eOPF, USA Staffing, USA Performance, Employee Express, MyPay, and federal payroll shared service providers (NFC, DFAS, and others). All integrations route through the federal API Management (APIM) gateway and adhere to OAuth 2.0, REST/JSON, and OpenAPI 3.0 standards.\nUsing Oracle Integration Cloud (OIC) and Oracle HCM APIs, you will build resilient, secure, and high-performance integration flows meeting program uptime SLAs. This position represents a unique opportunity to architect the “plumbing” behind one of the largest federal HR cloud modernization efforts. As a Senior Principal Consultant, you will serve as a technical authority for the integration domain, set design standards, and advise senior program stakeholders.\nThis position is primarily remote; however, candidates may be required to report onsite in Reston as business needs arise.\n Responsibilities:\nDesign, develop, and maintain integration interfaces between Oracle Fusion Cloud HCM and federal HR systems including EHRI (XML/SFTP), eOPF (EDF/FDF/IDF), USA Staffing (RPI/NHI/TUAPI), USA Performance, Employee Express, and MyPay\n\nEngineer bidirectional payroll integration interfaces with federal payroll shared service providers (NFC, DFAS, IBC, GSA), implementing HCM Extract and payroll costing flows per provider-specific file specifications\n\nBuild and configure integration flows using Oracle Integration Cloud (OIC), leveraging adapters, orchestration patterns, error handling, and retry logic to meet uptime SLAs\n\nImplement integration endpoints through the federal APIM gateway using OAuth 2.0, REST/JSON, and OpenAPI 3.0 standards\n\nDevelop event-driven, webhook-based, near-real-time integrations for benefits enrollment, payroll changes, and personnel action notifications\n\nDesign and implement integration monitoring dashboards, alerting rules, and automated error recovery workflows\n\nCreate and maintain technical design documents, interface control documents (ICDs), data mapping specifications, and API documentation using OpenAPI 3.0\n\nSupport FEHB Data Hub integrations involving enrollment, reconciliation, and premium remittance exchanges\n\nCollaborate with cybersecurity engineers to ensure FIPS 140-3 encryption, CUI protocols, and SCIM 2.0 identity provisioning compliance\n\nParticipate in SAFe Agile ceremonies including sprint planning, backlog refinement, and integration testing\n\nSupport parallel payroll validation testing through automated comparison tools reconciling Oracle HCM payroll outputs against legacy system results\n\nServe as a recognized technical authority, setting standards, guiding strategy, and providing oversight across multiple workstreams or Agile Release Trains\n\nLead and mentor technical and functional team members, drive innovation, and represent technical perspectives to senior program leadership\n\n Qualifications:\nRequired:\nMust be able to obtain and maintain a Public Trust clearance (U.S. Citizenship required)\n\nBachelor’s degree and 10 years of relevant experience (additional experience may be substituted for degree)\n\n10+ years of professional experience in integration development, API engineering, or enterprise middleware\n\n8+ years of hands-on experience with Oracle Integration Cloud (OIC), Oracle SOA Suite, or similar platforms\n\nStrong proficiency in REST API development, JSON/XML, OAuth 2.0, and OpenAPI 3.0 specification design\n\nExperience with Oracle Fusion Cloud HCM APIs including SOAP/REST, HCM Extracts, HDL/HSDL, BIP, and BI Publisher\n\nDemonstrated experience with SFTP, message queuing, and batch file-based enterprise integration patterns\n\nFamiliarity with CI/CD pipelines and Git\n\nExperience working within SAFe Agile environments\n\nDesired:\n11+ years of integration engineering experience with significant Oracle Fusion Cloud or Oracle ERP Cloud work\n\nOracle Cloud Infrastructure (OCI) or Oracle Integration Cloud certification\n\nExperience integrating with federal HR systems such as EHRI, eOPF, USA Staffing, NFC, DFAS, Employee Express\n\nFamiliarity with federal APIM architecture and FedRAMP-authorized integration environments\n\nExperience with event-driven architectures, webhooks, or streaming integration patterns\n\nKnowledge of federal data standards including EHRI XML schemas, EDF/FDF/IDF formats, HR-XML\n\nScripting proficiency in Python, Groovy, or JavaScript for transformation logic and automated testing\n\nExperience with Oracle Cloud technologies (OIC and/or OCI) in enterprise HCM/ERP environments\n\nThis position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.What You Can Expect:\nA culture of integrity.\nAt CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose - to ensure the safety of our nation.\nAn environment of trust.\nCACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.\nA focus on continuous growth.\nTogether, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.\nPay Range:\nThere are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.\nSince this position can be worked in more than one location, the range shown is the national average for the position.\nThe proposed salary range for this position is:\n$114,600-$252,100CACI is an Equal Opportunity Employer.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.","description_format":"text","description_chars":7523,"description_truncated":false,"requirements":{"experience_years_min":11,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Flexible time off"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Data & Analytics","Military","National Security"],"lifecycle":[{"event":"open","at":"2026-10-19T13:26:39Z"}],"visa":[],"liveness":{"score":24,"band":"cold","label":"Long shot","p_open":0.9,"p_active":0.618,"p_room":0.44,"age_days":46,"expected_fill_days":46,"reasons":["conf:50","stale_co","urgency","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-24T06:02:35Z"},"pay":{"stated_usd_annual":252100,"is_top_pay":true},"html_url":"https://alion.io/job/caci-international-senior-oracle-integration-api-engineer-2","json_url":"https://alion.io/job/caci-international-senior-oracle-integration-api-engineer-2.json","meta":{"generated_at":"2026-10-25T05:07:30Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":6992,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":58481},"rest":"https://alion.io/mcp/rest/get_company?id=58481"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcaci-international-senior-oracle-integration-api-engineer-2"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fcaci-international-senior-oracle-integration-api-engineer-2"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fcaci-international-senior-oracle-integration-api-engineer-2"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/caci-international-senior-oracle-integration-api-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcaci-international-senior-oracle-integration-api-engineer-2"}]}