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Data Engineer / ETL SME

Company:
i3
Location:
Chantilly, VA
Posted:
December 10, 2025
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Description:

Data Engineer - SME (Top Secret Clearance required)

Position Overview

As a Subject Matter Expert (SME) Data Engineer, you will provide technical leadership on major tasks and technology assignments for a federal law enforcement customer. You will establish goals and plans that meet project objectives while leveraging your expertise in data engineering, particularly for forensic and investigative ecosystems. Your decision-making and domain knowledge will have a critical impact on overall project implementation.

Key Responsibilities

Design and implement data pipelines and ETL processes to support the cyber investigative capabilities

Develop and maintain data analytics solutions for desktop and web-based visual analytic applications

Establish applications that produce manageable, actionable intelligence from streams of structured, semi-structured, and data

Design strategies for enterprise database systems and set standards for operations, programming, and security

Construct and optimize large relational databases across multi-enclave environments (Unclassified, Secret, and Top Secret)

Integrate new systems with existing warehouse structures and refine system performance and functionality

Provide technical leadership and mentorship to other team members

Participate in Program Increments (PIs) and Agile Release Train (ART) activities Required Technical Skills

Expert-level proficiency with:

Python for data processing and ETL workflows

SQL (MySQL, PostgreSQL, Microsoft SQL)

Elasticsearch

Data pipeline technologies (Apache Kafka, Apache Nifi, Cribl)

Splunk for data analysis and visualization

Containerization technologies (Docker, Kubernetes)

Infrastructure as Code (Terraform)

Cloud platforms (AWS GovCloud, SC2S, C2S)

Windows and Linux operating systems Additional Technical Experience

Experience with:

Angular, React, or other modern frontend frameworks

DevSecOps practices and tools Qualifications

Bachelor's degree in Computer Science, Data Science, Engineering, or related field

Minimum of 10 years of experience in data engineering or related field

Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI)

Experience with SAFe Agile framework

Strong understanding of forensic and investigative data requirements

Demonstrated experience designing and implementing data solutions in secure government environments Work Environment

Primary location: Chantilly, VA

May require occasional travel for Program Increment planning sessions

Must be a U.S. citizen and able to pass a background checks and polygraph examination

May require flexible scheduling to support critical operations

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