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Senior Systems Engineer Security & Data Engineering

Fusion Innovation


Job Location:

Chantilly, VA - USA

Yearly Salary: USD 100000 - 215000
Posted: 28 October 2026 (21 hours ago)
Application Deadline: 25 January 2027
Vacancies: 1 Vacancy

Job Summary

Fusion Innovations recent growth has earned us a top spot in the Inc 5000 Fastest Growing Private Companies in America and in Washington Business Journals Best Places to Work multiple years in a row. Our team members are passionate about their work and are empowered to contribute their unique skills and perspectives to our projects. Here at Fusion we put people first. When you join us you dont just join a company you join a family. If you are ready to be part of a fun and engaging team where your innovative ideas are heard supported and make ever lasting mission impacts for our Nations most sensitive programs you have come to the right place.


Position Overview

Fusion Innovation is seeking a Senior Systems Engineer to design secure and improve cloud and data solutions supporting critical intelligence missions. This position combines information systems security engineering with hands-on data engineering helping mission teams move from complex technical requirements to secure reliable systems and usable data.

You will lead security engineering activities throughout the system lifecycle while developing data pipelines supporting advanced analytics and building graph database solutions. Working alongside engineers developers and mission partners you will embed security into system designs and data workflows support system authorization and address the technical challenges of operating in classified environments.

The ideal candidate brings strong ISSE experience practical data engineering skills and the ability to explain technical decisions clearly to both technical and nontechnical stakeholders.


Key Responsibilities

  • Lead information systems security engineering activities across the system lifecycle including security architecture control selection and implementation and compliance with NIST and customer-specific requirements.

  • Develop and maintain assessment and authorization (A&A) and Authority to Operate (ATO) documentation including System Security Plans (SSPs) Plans of Action and Milestones (POA&Ms) test procedures and supporting evidence.

  • Perform security scans and vulnerability assessments coordinate patches and updates and support remediation across cloud and on-premises systems.

  • Incorporate security requirements into system architectures data flows extract transform and load (ETL) pipelines and operational workflows.

  • Partner with engineering and mission teams to address authorization requirements classification constraints and operational risks.

  • Maintain continuous monitoring documentation and evidence supporting ongoing system security.

Data Engineering and Analytics

  • Design develop and optimize ETL pipelines supporting mission analytics artificial intelligence and machine learning (AI/ML) and large language model (LLM) initiatives.

  • Clean preprocess model analyze and visualize medium-to-large datasets using analytical and statistical methods.

  • Build and optimize Neo4j graph database solutions including schemas relationship models and Cypher queries.

  • Develop software components and data processing capabilities using Cypher Python Java or JavaScript following secure development practices.

  • Document datasets queries data flows and software components to support maintenance and collaboration.

Systems Engineering and Technical Collaboration

  • Evaluate requirements and conduct functional and technical analyses risk assessments cost estimates schedule assessments and technical trade studies.

  • Apply systems engineering principles and concepts of operations to develop secure scalable solutions across organizational boundaries.

  • Support cloud and data architecture decisions within classified AWS environments.

  • Contribute to Agile planning sprint activities and continuous integration and continuous delivery (CI/CD) processes.

  • Communicate engineering decisions security considerations and analytical findings to diverse stakeholders.

Required Skills
  • Active Top Secret/SCI with Polygraph.

  • Education and experience meeting one of the following:

        • Bachelors degree with at least eight years of experience.

        • Masters degree with at least six years of experience.

        • Doctoral degree with at least three years of experience.

        • An additional four years of experience may be considered in lieu of a degree.

  • At least two years of customer-specific experience including experience supporting mission systems or classified programs.

  • Demonstrated experience designing securing and operating data flow solutions in classified or other high-security environments.

  • Strong information systems security engineering experience including security architecture A&A/ATO processes vulnerability analysis authorization documentation and continuous monitoring.

  • Hands-on experience with ETL pipelines data modeling activity modeling and data engineering supporting AI/ML applications.

  • Proficiency in at least one of the following: Cypher Python Java or JavaScript.

  • Experience with graph database technologies.

  • Demonstrated ability to clean model and visualize medium-to-large datasets.

  • Ability to communicate complex technical concepts clearly to technical and nontechnical audiences.

Desired Skills
  • Expertise with Neo4j and the Cypher query language.

  • Experience with enterprise data strategy data governance data stewardship and metadata management.

  • Experience developing dashboards and system visualizations.

  • Experience supporting AI/ML or LLM system engineering and data workflows.

  • Familiarity with Agile development frameworks and cloud-native design patterns.

Additional Details

Fusion Innovation anticipates the annual base salary for this position will generally range from $100000 to $215000. Actual compensation will be determined based on several factors including but not limited to:

  • Relevant education certifications and training

  • Years of direct applicable experience with this work and the customer

  • Contract labor category requirements skill level contract bill rate and hours allocation

  • Alignment with the positions responsibilities

  • Additional specialized skills


In addition to base salary eligible employees may be considered for discretionary bonuses and are eligible for Fusion Innovations comprehensive benefits package which includes medical dental vision company-sponsored retirement contributions paid leave professional development opportunities and other employee benefits.


Fusion Innovation is an Equal Opportunity Employer and considers all qualified applicants for employment without regard to disability protected veteran status or any other characteristic protected by applicable federal state or local law. Fusion Innovation participates in E-Verify to confirm employment eligibility for all newly hired employees. If you require a reasonable accommodation to complete the application process please contact .


Required Experience:

Senior IC


About Company

Our primary focus is on developing people to further their own unique craft. This includes helping our team become more experienced leaders, learn a team-first mentality, strive for more innovation, be thought leaders, and better overall people. By putting our people first and treatin ... View more

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