Digital Twin Developer Jobs in Virginia (NOW HIRING)

Position Overview
Horizon Global Partners (HgP) is seeking a highly experienced and mission-driven Lead Test Engineer to support advanced C6ISR, Command and Control (C2), Tactical Communications, Air Defense, and Foreign Military Sales (FMS) modernization programs. This role will provide technical leadership for Model-Based Systems Engineering (MBSE), Digital Engineering, Systems Integration, Verification & Validation (V&V), and Test & Evaluation (T&E) activities across the full systems engineering lifecycle.
Key Responsibilities
MBSE & Digital Engineering Leadership
• Lead MBSE implementation using SysML, DoDAF, UAF, and Digital Engineering methodologies.
• Develop and maintain authoritative system models supporting requirements, architecture, interfaces, verification, and validation.
• Manage digital thread and digital twin initiatives supporting mission system modernization.
• Ensure end-to-end traceability from CONOPS through verification evidence.
Verification, Validation & Test Engineering
• Develop Verification Plans, Validation Plans, TEMP documentation, VCRM and Requirements Verification Matrices.
• Lead integration, functional, system, regression, interoperability, and operational testing.
• Support SRR, PDR, CDR, TRR, SVR, FCA, PCA, SAT, and operational acceptance events.
• Perform defect management, root cause analysis, and corrective action tracking.
Systems Integration Laboratory Leadership
• Lead SIL, HWIL, and SWIL environments supporting C6ISR modernization programs.
• Coordinate testing of tactical communications, secure networking, sensor integration, and mission systems.
• Support Link-16, JREAP, air defense, and coalition interoperability initiatives.
Automation & DevSecOps
• Develop automated testing frameworks using Python, MATLAB/Simulink, Jenkins, and GitLab CI/CD.
• Implement model-based testing and automated regression testing.
• Support continuous integration and continuous testing pipelines.
Customer & Stakeholder Engagement
• Participate in technical interchange meetings, engineering reviews, and customer briefings.
• Support U.S. Government, NATO, coalition partners, FMS offices, and defense industry stakeholders.
Required Qualifications
• Bachelor’s degree in Systems, Electrical, Computer, Aerospace Engineering, or related discipline.
• 10+ years supporting defense systems engineering, integration, verification, validation, and testing.
• Expert knowledge of SysML, MBSE, Digital Engineering, and requirements management.
• Experience with Cameo Systems Modeler, MagicDraw, IBM DOORS, Teamwork Cloud, Jira, and Confluence.
• Knowledge of IEEE 15288, IEEE 1012, MIL-STD-882E, RMF, and NIST 800-53.
• Experience with SIL, HWIL, SWIL, operational test events, and mission systems integration.
• Strong understanding of C4ISR/C5ISR/C6ISR architectures and command-and-control systems.
Preferred Qualifications
• INCOSE CSEP/ESEP certification.
• OCSMP Model Builder or Cameo certification.
• PMP certification.
• Experience supporting GBAC2, IAMD, Patriot, THAAD, ABMS, and JADC2 initiatives.
• Experience with Link-16, JREAP, tactical data links, and coalition interoperability programs.
• Knowledge of Digital Twin technologies and advanced simulation environments.
Desired Attributes
Strong systems thinker with the ability to bridge operational mission requirements and technical execution. Excellent leadership, communication, and organizational skills with the ability to coordinate complex technical teams across multiple organizations.
Strategic Importance of the Role
This position is a foundational investment in the long-term growth and maturity of HgP’s Defense & Aerospace Services organization. The Lead Test Engineer will help institutionalize MBSE and Digital Engineering best practices, strengthen technical governance, advance systems integration and test capabilities, and position HgP as a trusted partner supporting U.S., NATO, and allied defense modernization programs.