Model-Based Systems Engineer (MBSE) - 27255

HII's Mission Technologies division•Nellis AFB, NV

About The Position

This opportunity resides with Global Security (GS). Mission Technologies’ Global Security (GS) group comprises live, virtual, constructive (LVC) solutions; fleet sustainment; nuclear and environmental; and Australia business.As a trusted partner to our military customers, HII designs, develops and operates the largest LVC enterprise that prepares warfighters for cross-domain battle. With advanced technologies to enable mission readiness, HII understands that preparation requires full coordination—not readiness in piece-parts.For more than 40 years, the U.S. Navy has entrusted HII to maintain and modernize the vast majority of its fleet. With a holistic approach to life-cycle maritime defense systems—from small watercraft to submarines, surface combatants and aircraft carriers—HII ensures a high state of readiness.HII supports the Department of Energy’s national security mission through the management and operation of its sites, as well as the safe cleanup of legacy waste across the country. HII meets clients’ toughest nuclear and environmental challenges. Meet HII’s Mission Technologies DivisionOur team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you. To learn more about Mission Technologies, click here for a short video: https://vimeo.com/732533072SummaryThe Model-Based Systems Engineer (MBSE) plays a critical role in developing the authoritative Systems Modeling Language (SysML) system model and producing supporting 2D/3D Computer-Aided Design (CAD) documentation for the Joint Integrated Test and Training Center (JITTC-N) flight simulation environment. This position ensures architectural integrity and serves as the custodian of the system’s “single source of truth,” translating high-level requirements into formal models and practical technical drawings for procurement, installation, and maintenance. Impact Maintains architectural consistency across a complex Information Technology (IT) ecosystem, integrating engineering, networking, cyber, audio/visual (A/V), and simulation components. Supports governance and change control through model-based impact assessments for the Configuration Control Board (CCB) process. Delivers accurate, stakeholder-ready technical products that enable mission-critical training and testing for U.S. Air Force and Department of Defense (DoD) operations.

Requirements

9 years relevant experience with a Bachelor’s degree in a related field
7 years relevant experience with a Master’s degree in a related field
4 years relevant experience with a Ph.D. or Juris Doctor (J.D.) in a related field
High School Diploma or equivalent and 13 years relevant experience
Hands-on proficiency with SysML and Cameo Systems Modeler.
Ability to develop and manage complex system models end-to-end.
Strong capability in producing and maintaining detailed 2D/3D technical drawings using Microsoft Visio and AutoCAD.
Experience generating architectural products and views for diverse engineering and management stakeholders.
Conceptual understanding of network architecture, server infrastructure, virtualization technologies, and cybersecurity boundaries.
Must be a U.S. Citizen.
Must have had an Active DOD Top Secret clearance within the last 24 months.
Ability to obtain and maintain DoD TS/SCI and relevant SAP/SAR Clearance.

Nice To Haves

Experience with flight simulation systems, Live–Virtual–Constructive (LVC) training environments, or related DoD systems.
Familiarity with DoD Architecture Framework (DoDAF) or Unified Architecture Framework (UAF).
Exposure to cybersecurity principles and the Risk Management Framework (RMF).
OMG-Certified Systems Modeling Professional (OCSMP) or similar MBSE-related certification.
Experience scripting within Cameo to automate model validation and report generation.
Experience supporting integration labs, test events, or system deployments

Responsibilities

System Model Development: Build, manage, and maintain the authoritative SysML model using Cameo Systems Modeler to represent current and future states of flight simulation and IT infrastructure.
Requirements Management: Translate stakeholder objectives into formal, verifiable system and subsystem requirements within the model.
Architectural Modeling & Analysis: Model static and dynamic system behaviors; provide formal impact assessments for proposed changes to support CCB governance.
Technical Drafting & Visualization: Create and maintain 2D/3D technical artifacts—network diagrams, rack elevations, wiring schematics, and facility/component models—using Microsoft Visio and AutoCAD.
Stakeholder Documentation: Produce tailored architectural views and documentation (e.g., requirements matrices, interface specifications, system diagrams) for program management, engineering teams, and Test & Evaluation (T&E) stakeholders.