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 lifecycleQualifications 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 plusCompensation for the MBSE Systems Engineer (Levels 1–3):$85,000 – $135,000 annually based on experienceFull benefits: Healthcare, Dental, Vision, 401k, PTO, and Paid HolidaysThis job opens for applications on April 24, 2026.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