Freelance Oracle Data Migration Jobs (NOW HIRING)

Job Title: Oracle HCM Data Migration Middleware Developer
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: None
Employee Type: Regular
Percentage of Travel Required: Up to 25%
Type of Travel: Continental US
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The Opportunity:
CACI is seeking an HCM Data Migration Middleware Developer to support a large-scale federal HCM modernization program. This transformational initiative will deploy Oracle Fusion Cloud HCM as the unified human capital management platform for approximately federal civilian employees across numerous agencies. In this role, you will design, build, and maintain the ETL pipelines and middleware that transform legacy HR data extracted from agency source systems into Oracle Fusion HCM Data Loader (HDL) and HCM Spreadsheet Data Loader (HSDL) formats for loading into the target platform. You will process agency migrations ranging from small agencies with 10,000 employees to extra-large large federal agencies, building scalable data transformation pipelines with robust error handling, data cleansing, and reconciliation capabilities. Your work will directly determine the data quality and migration success for every agency transitioning to the new Oracle Fusion Cloud HCM platform. This is a primarily remote position with up to 10% travel. This position is at the T3 level, suited for a mid-career technical professional who applies solid working knowledge and established methods to independently perform a range of technical and functional tasks, resolving problems of moderate scope and complexity.
Responsibilities:
• Design and develop ETL pipelines using Oracle Integration Cloud (OIC), Informatica, Talend, or equivalent middleware tools to transform extracted legacy HR data into Oracle Fusion HCM HDL and HSDL load file formats
• Build data transformation rules that map legacy data values (codes, descriptions, hierarchies) to Oracle Fusion HCM reference data, value sets, and lookup values for each agency migration
• Develop data cleansing pipelines that identify and remediate data quality issues including missing required fields, invalid date formats, duplicate records, and referential integrity violations before target system loading
• Design and implement batch processing frameworks capable of handling large-volume agency migrations ranging from small to very large agency employee populations with configurable parallelism and restart/recovery capabilities
• Build comprehensive error handling and exception management within ETL pipelines including error categorization, automated retry logic, and error reporting dashboards for migration teams
• Develop data reconciliation processes that compare source record counts, key data element values, and business rule validations between legacy extracts, transformation outputs, and target system loaded records
• Create and maintain data quality dashboards providing real-time visibility into migration pipeline status, error rates, data completeness metrics, and reconciliation results for each agency migration wave
• Design reusable transformation templates and parameterized mapping configurations that accelerate successive agency migrations by leveraging patterns from completed migrations
• Collaborate with legacy system export developers (PeopleSoft/EBS team) to define extraction file formats, handoff procedures, and data interface specifications
• Support iterative mock migration cycles (typically 3-4 per agency) and final cutover data loads, optimizing pipeline performance and resolving data quality issues identified in each cycle
• Document ETL design specifications, transformation rules, data flow diagrams, and operational runbooks for each agency migration in accordance with SAFe Agile artifact standards
• Apply established methods, standards, and practices to independently resolve functional and technical issues of moderate scope, contributing to team knowledge bases and consulting with senior staff on complex or unfamiliar problems as they arise
• Communicate effectively with project team members and direct stakeholders to report progress, explain technical approaches, and support collaborative problem-solving within assigned workstreams and Agile Release Train ceremonies
Qualifications:
Required:
• Bachelor's degree in Computer Science, Information Technology, Software Engineering, or related field
• 4+ years of experience in ETL development, middleware development, or data integration for enterprise system implementations
• 3+ years of hands-on experience with ETL/middleware tools such as Oracle Integration Cloud (OIC), Informatica PowerCenter/Cloud, Talend, or equivalent data integration platforms
• Strong SQL proficiency with experience writing complex transformation queries, data validation scripts, and reconciliation procedures
• Experience with batch data processing for large-volume datasets (100,000+ records) including performance optimization, error handling, and restart/recovery design patterns
• Knowledge of data quality management principles including data profiling, cleansing, standardization, and validation
• Experience with file-based data integration formats (CSV, XML, JSON) and enterprise data loader specifications
• Familiarity with Agile/SAFe development methodologies and iterative delivery practices
• Must be able to obtain and maintain a Public Trust clearance (US Citizenship required)
• Additional experience may substitute for degree
Desired:
• 6+ years of ETL/middleware development experience with specific experience on HCM or ERP data migration projects
• Oracle Integration Cloud (OIC) certification or demonstrated proficiency with OIC adapters, orchestrations, and monitoring
• Direct experience with Oracle Fusion HCM Data Loader (HDL) file specifications and HCM Spreadsheet Data Loader (HSDL) templates
• Informatica PowerCenter/Cloud certification or Talend Open Studio/Cloud certification
• Experience with federal government HR data migrations including EHRI data standards and federal personnel data formats
• Knowledge of Oracle Fusion HCM business object structures and REST API data models for programmatic data loading
• Experience building data quality dashboards using Oracle Analytics Cloud, Power BI, or equivalent visualization tools
• Experience with Oracle Cloud technologies including Oracle Integration Cloud (OIC) and/or Oracle Cloud Infrastructure (OCI) in enterprise HCM or ERP environments
What You Can Expect:
A culture of integrity.
At 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.
An environment of trust.
CACI 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.
A focus on continuous growth.
Together, 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.
Pay Range:
There 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.
The proposed salary range for this position is:
$86,600 - $181,800
CACI 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.