MBSE Systems Engineers (Levels 1–3)

Zachary Piper Solutions is seeking MBSE Systems Engineers (Levels 1–3) to support next-generation aerospace and defense programs in St. Louis, MO. The MBSE Systems Engineer will contribute to the design, integration, and verification of advanced aircraft and mission systems within a cutting-edge digital engineering environment. This role is fully onsite in St. Louis, MO!

Responsibilities of the MBSE Systems Engineer (Levels 1–3):

• Support system architecture development and decomposition using MBSE methodologies (SysML, Cameo, MSOSA)

• Assist in defining system functions, interfaces, and requirements across multiple engineering domains

• Contribute to requirements decomposition, traceability, and documentation within MBSE models

• Participate in system integration, verification, and validation (V&V) activities

• Support trade studies, system analysis, and design reviews to meet program objectives

• Collaborate with cross-functional engineering teams including software, hardware, and systems teams

• Maintain and update MBSE artifacts within a digital engineering ecosystem

• Support implementation of MBSE best practices across the program lifecycle

Qualifications of the MBSE Systems Engineer (Levels 1–3):

• Bachelor’s degree in Engineering, Computer Science, Physics, Mathematics, or related field

• 0–8 years of systems engineering experience depending on level

• Experience or exposure to MBSE methodologies, SysML, and modeling tools such as Cameo or MSOSA

• Understanding of systems engineering fundamentals including requirements, integration, and testing

• Strong analytical, problem-solving, and communication skills

• Exposure to aerospace, defense, or mission systems environments preferred

• Experience supporting digital engineering environments is a plus

Compensation for the MBSE Systems Engineer (Levels 1–3):

$85,000 – $135,000 annually based on experience

Full benefits: Healthcare, Dental, Vision, 401k, PTO, and Paid Holidays

This job opens for applications on April 24, 2026.

#LI-MM1 #LI-ONSITE

Keywords: MBSE, Systems Engineer, SysML, Cameo, MSOSA, Digital Engineering, Requirements Engineering, System Integration, V&V, Aerospace Engineering, Defense Systems, Modeling, Architecture, Trade Studies, Mission Systems, Entry Level Systems Engineer, Model Based Systems Engineering, Aircraft Systems, Phantom Works, R&D, Engineering