Senior ETL Data Engineer

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.