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Senior Model-Based Systems Engineer

Avion Solutions, Inc.
Sep 23, 2025

Avion Solutions Inc., an employee-owned company, seeks candidates for a Senior Model-Based Systems Engineer to support the Missile Defense Agency. This position is based in Colorado Springs, CO.

Job Responsibilities/Duties:



  • Performs and leads systems engineering duties to elicit stakeholder requirements and mission needs.
  • Defines requirements, performs functional analysis using Model-based Systems Engineering techniques and tools.
  • Drafts and reviews technical documents and supports technical reviews.
  • Facilitates M&S and digital engineering transformation initiatives, and represents Enterprise Engineering in agency tiger teams and working groups.
  • Other duties as assigned.



Required Experience:



  • Master's degree in a STEM field and 12+ years of related professional experience.
  • Experience leading MBSE activities and projects for complex systems, preferably DoD Weapon Systems.
  • Extensive experience with Model-Based Systems Engineering (MBSE) and Systems Modeling Language (SysML).
  • Experience with languages used for architecture modeling (i.e., DoD Architecture Framework and Unified Architecture Framework (UAF).
  • Mastery of MBSE tools, such as IBM Rhapsody and Cameo, and integrated requirements tools, such as DOORS NG.
  • Ability to effectively communicate complex ideas to non-technical and non-MBSE-trained people.
  • Experience following MBSE processes, such as IBM Harmony.
  • Must be a U.S. citizen and have an active DoD Secret Security Clearance.
  • Must be able to travel up to 25% of the time. US travel only.



Preferred Qualifications:




  • A doctorate in an applicable field is a plus.
  • MBSE certifications and training (i.e., OMG, INCOSE, etc.).
  • Ballistic Missile Defense System (MDS) domain experience working in the Missile Defense Agency (MDA).
  • Experience with definition, design, development, verification and validation, and analysis of MDS M&S (ground test and constructive or distributed virtual simulation of the MDS and its elements and components).
  • Experience with analysis, test, and systems engineering of M&S for one or more elements of the MDS (i.e., Patriot, THAAD, GMD, Sensors, or C2).
  • Exposure to MDA test events and activities supported by M&S products and services.
  • Ability to work with a diverse team of engineers (geographically diverse) of different perspectives, skill sets, and backgrounds.
  • Energetic, motivated, self-starting



Equal Opportunity: Avion Solutions, Inc. reaffirms its belief in equal employment opportunity for all employees and applicants. Avion Solutions, Inc. is an Equal Employment Opportunity Employer and a VEVRAA-governed Federal Contractor that affords equal employment opportunity to protected veterans and people with disabilities. Avion Solutions, Inc. provides all employees and job applicants equal employment opportunities in hiring and promotion without regard to age, sex, sexual orientation, marital status, race, religion, color, veteran status, genetic information, physical or mental disability, national origin or any other reason prohibited by law.

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