Senior MBSE Engineer - SysML & Digital Engineering Lead

APEX TK is seeking a Model-Based Systems Engineer (MBSE) to support the MDA Targets and Countermeasures program. You will apply systems engineering within a digital engineering framework to create, analyze, and maintain SysML models. Responsibilities include traceability of requirements, interface analysis, and preparation of artifacts for SRR, PDR, CDR, and CCB milestones. Collaborate with government leads, prime contractors, and cross-functional teams to ensure baseline integrity and data