Data Engineer (Knowledge Graph Specialist)

Black Cape; Bethesda (MD); On-site; USD 120,000 - 150,000; Full time

Job summary

Black Cape in Bethesda, MD seeks a Data Engineer (Knowledge Graph Specialist) to join a team building cloud-native data solutions for federal customers. You will design graph-based data models, work with graph databases, and contribute to analytics and ML capabilities in secure environments.

Onsite work 3–5 days per week with TS/SCI clearance required or pending; collaboration with DoW/IC teams is essential. Strong cross-platform development experience is valued.

Qualifications

• Bachelor’s degree plus 1.5+ years of professional experience.
• Strong graph theory and data modeling skills.
• Experience with graph databases (Neo4j, Neptune, Anzograph).
• Proficient in Cypher, SQL, and SPARQL.
• Python and shell scripting proficiency.
• Linux (RedHat) systems experience.
• Experience collaborating with software teams.
• Willingness to work in classified environments.
• Experience across MacOS, Windows, Linux.

Responsibilities

• Develop cloud-native full-stack web applications and data-analysis tools.
• Architect graph-based data solutions and ML capabilities.
• Collaborate with cross-functional teams to deliver production-ready services in classified environments.

Skills

Graph theory

Data modeling

Graph databases

Cypher

SQL

SPARQL

Python

Shell scripting

Linux (RedHat)

Software development

Classified environment

Cross-platform dev

Education

Bachelor’s degree + 1.5+ years

Tools

Neo4j

Amazon Neptune

Anzograph

AWS Console

EC2

CompTIA Security+

Job description

Data Engineer (Knowledge Graph Specialist)

Location: Bethesda, MD

Onsite: Expected to go onsite (into a SCIF) 3‑5 days per week

Clearance: TS/SCI required. Active TS/SCI clearance and willingness to obtain a CI Poly are mandatory. US citizenship or a Security Clearance issued by a US Government Customer is also required.

Responsibilities: Work with Department of War (DoW) and Intelligence Community (IC) customers to develop cloud‑native full‑stack web applications, advanced data‑analysis tools, and machine‑learning capabilities. Collaborate with cross‑functional teams, architect graph‑based data solutions, and deliver production‑ready services in classified environments.

Company Overview

Black Cape is a technology company focused on developing full‑stack web applications, advanced data‑analysis tools, and AI/ML capabilities for federal government customers. The team includes experienced engineers who deliver solutions across the DoW and IC by applying agile and DevOps practices.

Required Technical Skills

• Bachelor’s degree and 1.5+ years of professional experience
• Strong grasp of graph theory, data modeling, and complex relationship structures
• Expertise with graph database solutions such as Neo4j, Amazon Neptune, or Anzograph
• Familiarity with query languages including Cypher, SQL, and SPARQL
• Proficiency with scripting languages such as Python and shell scripting
• Experience with Linux systems (RedHat‑based distributions)
• Experience working with software development teams
• Willingness to work in classified government environments
• Experience developing on MacOS, Windows, and Linux

Preferred Technical Skills

• Experience with AWS Console and EC2 instance management
• Background working with Object‑Based Intelligence
• Experience communicating to senior stakeholders in a classified environment
• CompTIA Security+ certification

Benefits

Great benefits including 401K, competitive salary, generous time off, mentorship & professional development, tuition reimbursement, and parental policy.