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Collins Aerospace is seeking a Senior Software Engineer to support the development, sustainment, and maintenance of the custom co-simulation DESYRE application and framework, driving technical excellence by ensuring robust backend architecture, delivering new features, and resolving critical defects to advance aerospace engineering simulation capabilities.

Requirements

• 10+ years of professional software engineering experience, with at least 5 years in aerospace, defense, or high-reliability systems.
• Experience with principles in the domain of modelling (model management, model transformation, etc) and simulation (multi-formalism, hybrid simulation, co-simulation, etc.)
• Knowledge of model-based theory (abstract interpretation, static and dynamic analysis), practice (experience with modeling and simulation environments, solvers, etc.), and a good knowledge of mathematical formalization, discrete and continuous dynamics modeling
• Expert-level knowledge of Models of Computation and Execution Semantics (synchronous, discrete-event, continuous-time, hybrid).
• Proven expertise with co-simulation and model-exchange standards: Functional Mock-up Interface (FMI), Transaction-Level Modeling (TLM), High-Level Architecture (HLA), Aerospace Data Exchange Standard ED247, Distributed Parallel Co-simulation (DPC)
• Proficiency in Python, C++, SystemC, and strong familiarity with IEEE Std 1666-2023.
• Strong background in software design principles, architecture, and system integration.

Responsibilities

• Lead design, development, and maintenance of components for the DESYRE simulation environment.
• Perform quality assurance, bug triage, and resolution (e.g., fixing DESYRE backend bugs to ensure stability and accuracy).
• Engineer and mature new features, such as updating the DESYRE Model Builder to support SysMLv2 integration.
• Apply advanced knowledge of Models of Computation and Execution Semantics (synchronous languages, state machines, discrete event, continuous time, hybrid systems).
• Ensure compliance and innovation in hybrid systems model-exchange and co-simulation standards (FMI, TLM, HLA, ED247, DPC).
• Provide technical leadership in software design principles, architecture patterns, and system integration.
• Collaborate with cross-functional teams, including systems and software engineering, model-based design, and test engineering, to deliver end-to-end solutions.

Other

• Must be a U.S. Citizen.
• Typically requires a University Degree and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience.
• Demonstrated ability to lead technical efforts, mentor teams, and deliver complex projects.
• Hybrid role that requires proximity to a major Collins Aerospace site.
• Active security clearance or ability to obtain one.