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Systems Engineer - ISSE with Security Clearance

BOAB VenturesChantilly, VA🇺🇸United States

Quick overview

SeniorityMid Senior
Employment typeEmployee
Work modeHybrid
LocationChantilly, VA, United States
Neo4jAWSETLJavaLLMPythonJavaScriptAgileCI/CDSystem Design

Job description

Job Description We are seeking a highly skilled Systems Engineering with strong Information Systems Security Engineer (ISSE) and Data Engineering experience to design, secure, and optimize mission-critical cloud and 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/JavaScript, and working with graph technologies, while communicating complex concepts effectively to diverse stakeholders.

Key Responsibilities: Information Systems Security Engineering (ISSE)

  • Lead and execute ISSE activities across the full system lifecycle, including security architecture development, security control selection/implementation, and ensuring compliance with NIST and customer‑specific security requirements.
  • Develop, maintain, and update A&A/ATO documentation including SSPs, POA&Ms, test procedures, compliance evidence, and continuous monitoring artifacts.
  • Conduct routine system security scans, vulnerability assessments, patch/update actions, and remediation workflows for cloud and on‑premises systems.
  • Integrate security-by-design principles into system architectures, data flows, ETL pipelines, and mission workflows.
  • Partner with system engineers, developers, and mission customers to align technical solutions with accreditation requirements, classification constraints, and operational risk considerations. Data Engineering
  • Design, build, and optimize ETL pipelines, including data flows supporting AI/ML/LLM projects and large-scale analytics.
  • Perform functional and technical analysis, internal control and risk analysis, cost estimation, timeline assessments, and trade studies supporting mission solutions.
  • Apply system engineering disciplines and concepts of operations across cross‑organizational environments, ensuring secure and scalable system design.
  • 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.
  • Develop software components in Cypher, Python, Java, or JavaScript following secure development practices.
  • Collaborate within Agile development frameworks and contribute to iterative planning cycles, sprint activities, and CI/CD processes.
  • Maintain documentation for datasets, queries, security artifacts, engineering decisions, and developed software components.

Required Skills * • Active TS/SCI with relevant polygraph

  • • Minimum of 8 years with BS/BA including at least 2 years of Sponsor experience; Minimum of 6 years with MS/MA including at least 2 years of Sponsor experience; Minimum of 3 years with PhD including at least 2 years of Sponsor experience; an additional four years of experience may be considered in lieu of degree
  • • Demonstrated experience designing, securing, and operating data flow solutions in high‑security/classified environments
  • • Strong ISSE background including A&A/ATO, security architecture, vulnerability analysis, accreditation documentation, and continuous monitoring requirements
  • • 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, JavaScript)
  • • Experience with graphing database technologies (Neo4j and Cypher query language expertise preferred)
  • • Demonstrated experience cleaning, modeling, and visualizing medium‑to‑large datasets
  • • Ability to clearly communicate complex technical concepts to both technical and nontechnical audiences
  • • Customer-specific experience supporting mission systems or classified programs

Desired Skills * • Experience with enterprise data strategy, data governance, stewardship practices, and metadata management

  • • Experience developing dashboards or system visualizations
  • • Exposure to AI/ML or LLM system engineering and data workflows
  • • Familiarity with Agile development frameworks and cloud‑native design patterns

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