Data Engineer

Bespoke Technologies; Chantilly (VA); On-site; USD 120,000 - 155,000; Full time

Job summary

Bespoke Technologies is seeking a Senior Data Engineer to design, secure, and optimize data solutions in a mission-critical, on-site role in Chantilly, VA.

You will develop ETL pipelines, model data for AI/ML workflows, and build Neo4j graph DB solutions while ensuring clear documentation and effective communication with stakeholders in a classified environment.

Qualifications

• Minimum 5 years with BS/BA, including at least 2 years of Sponsor experience.
• Experience building ETL pipelines and data modeling for AI/ML projects.
• Proficiency in Cypher/Python/Java and Neo4j graph databases.
• Ability to visualize and analyze medium to large datasets and build dashboards.

Responsibilities

• Design, build, and optimize ETL pipelines for AI/ML/LLM projects.
• Clean, preprocess, analyze, and visualize medium to large datasets.
• Build and optimize Neo4j graph database solutions with efficient Cypher queries.
• Maintain documentation for datasets, queries, security artifacts, and software components.

Skills

Cypher

Python

Java

ETL pipelines

Data modeling

AI/ML data engineering

Neo4j

Data visualization

Tableau

Education

BS/BA

Tools

Docker

Kubernetes

Neo4j

Job description

BT-513 - Data Engineer
Skill Level: Senior
Location: Chantilly, VA (fully on-site, no remote option available)

Please do NOT apply if you do not have an active Poly clearance. Those without a Poly will not be considered.

Overview
Bespoke Technologies is seeking a highly skilled Systems Engineering with strong Data Engineering experience to design, secure, and optimize mission-critical data solutions. This role blends system engineering, secure cloud architecture, advanced analytics, ETL/AI ML data engineering, virtualization technologies, and modern development practices. The ideal candidate has experience operating in classified AWS environments, developing with Cypher/Python/Java, and working with graph technologies, while communicating complex concepts effectively to diverse stakeholders.
Key Responsibilities:

• Design, build, and optimize ETL pipelines, including data flows supporting AI/ML/LLM projects and large-scale analytics.
• Clean, preprocess, analyze, and visualize medium to large datasets using modern analytic and statistical methods.
• Build and optimize Neo4j graph database solutions including schema design, relationship modeling, and efficient Cypher query development.
• Maintain documentation for datasets, queries, security artifacts, engineering decisions, and developed software components.

Required Qualifications:

• Minimum of 5 years with BS/BA including at least 2 years of Sponsor experience
• Hands-on experience with ETL pipelines, data modeling, activity modeling, and AI/ML supportive data engineering
• Proficiency in at least one programming language (Cypher, Python, Java)
• Experience with graphing database technologies (Neo4j and Cypher query language expertise preferred)
• Demonstrated experience cleaning, modeling, and visualizing medium to large datasets
• Experience developing dashboards or system visualizations
• Experience operating with modern software virtualization tools like Docker, Kubernetes
• Understanding of cloud infrastructure in High security environments (classified)
• Ability to clearly communicate complex technical concepts to both technical and nontechnical audiences
• Customer-specific experience supporting mission systems or classified programs

Desired Qualifications

• Exposure to AI/ML or LLM system engineering and data workflows
• Familiarity with Agile development frameworks and cloud native design patterns
• Experience visualizing data in Tableau