Senior ETL Data Engineer

System One • Columbia, MD • 1h ago

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

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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