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Senior ETL Data Engineer

Columbia, MD

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Type: Contract

Experience: 5

Education: BS

Category: Information Technology

Contractor Work Model: Hybrid

Brand: System One

Compensation Range: 70.55 Per Hour

Job ID: 346177

Date Posted: 02/12/2026

Shortcut: http://jobs.systemone.com/cEoNvz



Senior Data Engineer
Columbia, MD
Contract
Visa : USC, EAD, GC on W2

The Senior Data Engineer is responsible for orchestrating, deploying, maintaining, and scaling cloud and/or on-premise infrastructure supporting big data and enterprise data platforms (Relational and NoSQL, distributed and converged systems).
This role focuses on:

  • Reliability
  • Automation
  • Performance optimization
  • Delivering data-driven insights and business value
Key Responsibilities (Essential Functions)
20% – Infrastructure Development
  • Develop and maintain data infrastructure systems (data warehouses, data lakes).
  • Build and maintain data access APIs.
  • Prepare and manipulate data using multiple technologies.
15% – Data Analysis & Reporting
  • Interpret and analyze data using statistical techniques.
  • Deliver ongoing reports and actionable insights.
  • Support data-driven decision-making for key projects.
  • Design and execute quality control procedures across multiple systems.
15% – Data Modeling
  • Develop logical and physical data models.
  • Evaluate and enhance data warehouse architecture.
  • Apply metadata standards and modeling conventions.
  • Plan data classes, indexing, replication, backup, retention, and recovery strategies.
15% – Data Collection Frameworks
  • Create frameworks for structured and unstructured data collection.
15% – Continuous Learning & Innovation
  • Stay current with emerging technologies and best practices.
  • Participate in professional workshops and industry networking.
10% – ETL / ELT Development
  • Apply data extraction, transformation, and loading techniques.
  • Integrate large datasets from multiple sources.
10% – Best Practices Implementation
  • Implement best practices in:
    • Data auditing
    • Scalability
    • Reliability
    • Application performance

Required Qualifications
Education
  • Bachelor’s Degree in:
    • Computer Science
    • Information Technology
    • Engineering
    • Related field
In lieu of degree:
Additional 4 years of relevant experience (on top of required experience).
Experience
  • 5+ years of experience in:
    • Database design
    • Data modeling tools
    • ETL/ELT development
    • Application development
    • Relational database development
    • Data architecture
Preferred Knowledge, Skills & Abilities (KSAs)
Expert Level
  • SQL / NoSQL / Python (at least one programming language)
  • Database design & implementation
  • Data exchange formats
  • Data movement concepts
  • Strong analytical & problem-solving skills
Advanced Level
  • Organizational and communication skills
  • Ability to manage multiple priorities
Compliance & Work Expectations
  • Must disclose any debarment or exclusion impacting Federal healthcare program eligibility.
  • Ability to work in a fast-paced, dynamic environment.
  • Capable of handling shifting priorities and deadlines.
  • Strong customer service skills (internal & external stakeholders).
  • Ability to manage demanding or complex situations professionally.
#M1

#DI-CB2

Ref: #851-Rockville-S1

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