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Data Engineer

Oasys International, LLC
United States, Virginia, Fairfax
Mar 19, 2026

Who We Are: Oasys International LLC (Oasys) is a fast-growing federal government contractor delivering high-quality technology consulting and professional services to civilian, defense, and homeland security agencies. We have been recognized on Inc. 5000's list of the fastest-growing companies in America for five consecutive years and named a Best Places to Work in Virginia for the past two years.

Our success is driven by a talented team of technologists, consultants, engineers, and subject-matter experts who support complex federal missions with integrity and excellence. At Oasys, we foster a collaborative, merit-based culture that values continuous learning, professional growth, and work-life balance. We are committed to creating an inclusive, engaging environment where employees are recognized for their contributions and empowered to build meaningful, long-term careers.

Position Summary:

The Data Engineer role requires a candidate with 10 years of expertise in database development, engineering, modernization, and data virtualization. The role includes leading complex data migration efforts, building scalable data pipelines, engaging directly with business users, and supporting enterprise O&M operations. This role requires strong technical architecture skills, modern data engineering practices, and the ability to deliver robust, secure, and high performance data solutions across hybrid and cloud environments.

NOTE: This role is contingent on the contract being awarded.

Primary Responsibilities:

  • Architect and develop scalable data models, curated datasets, and analytics-ready structures for reporting, BI, machine learning, and operational workloads.
  • Implement modern data architectures including data lakes, data warehouses, and data virtualization layers.
  • Lead large-scale data migration projects involving legacy-to-modern platforms, cloud migrations, cross-database transfers, and multi-environment synchronization.
  • Develop migration plans, ETL pipelines, scripts, and automated workflows ensuring accuracy, integrity, and minimal downtime.
  • Conduct pre migration assessments, risk analysis, and post migration validation.
  • Oversee O&M activities for enterprise data ecosystems, including pipeline reliability, job orchestration, monitoring, and optimization.
  • Establish automated workflows for data refresh cycles, error handling, lineage tracking, and performance tuning.
  • All other duties as assigned by management.

Skills and Qualifications:

  • Bachelor's degree in computer science or a technical field
  • 15+ years in computer science and database development, modernization, and data virtualization
  • 8+ years in project planning, business analysis and user engagement.
  • Experience performing data migrations from legacy data stores on-premise to AWS GovCloud
  • Experience with cloud-based architecture, preferably AWS data services (RDS, Aurora, DynamoDB, Redshift, Glue, DMS) and AWS Data Analytics.
  • Strong scripting capabilities (Python, PowerShell, Bash) for automation and migration tasks.
  • Excellent communication and management skills.

Certifications Preferred:

  • AWS Data Analytics
  • IBM Data Architect
  • CompTIA DataSys+ certifications

Security Clearance Requirements:

  • Must be a U.S. Citizen
  • Must have an active DoD Secret clearance.

Work Location:

  • Fairfax, VA - Corporate Headquarters (Hybrid)

NOTE: This role is contingent on the contract being awarded.

Oasys is proud to be an equal opportunity employer for all protected groups, including protected veterans and individuals with disabilities.

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