Software Engineer-Simulation (Associate or Experienced)

Salary: $115000 - 199000 per year Requirements: We require a bachelors degree or equivalent. We require at least 2 years of experience in software programming, including C, C++, Python, C#, .NET, debugging, and development. We require at least 2 years of experience with the software or systems development lifecycle. We require the ability to obtain U.S. Secret clearance, including interim pre-start, final post-start, and special program access. We require U.S. person status for export control compliance. We require the ability to obtain U.S. citizenship-based program access where applicable. We prefer a bachelors degree in engineering, engineering technology, chemistry, physics, mathematics, data science, or computer science, along with 5+ years of related experience; or a bachelors degree plus 9+ years of directly related experience; or 13+ years of relevant experience. We prefer experience with embedded software and hardware-interface software. We prefer 2 or more years of software programming experience with Rust. We prefer an active security clearance. We prefer experience working across hardware, firmware, and software interface boundaries, including technical coordination with partner teams. We prefer experience managing multiple projects at the same time. We prefer strong decision-making skills and the ability to move work forward with limited requirements detail. We prefer experience developing software in Visual Studio. We prefer experience with avionics and Ethernet communication protocols. We prefer experience working in Agile environments. We prefer experience with Git, continuous integration, and cloud computing technologies. Responsibilities: We design, architect, and develop simulation models, visualizations, virtual environments, and frameworks that improve test performance, safety, and durability across the full product lifecycle. We work with stakeholders to identify simulation requirements and understand the dynamics of the systems being modeled. We perform design, modeling, simulation, testing, and analysis to improve overall system performance and capability. We collect and process data for use in simulations. We validate, verify, and refine simulation code, models, test procedures, and test environments, and we document results against real-world data, benchmarks, and comparable models. We document and maintain technical code, algorithms, specifications, and model descriptions. We collaborate with cross-functional engineering teams to integrate simulation software with hardware devices and systems. We implement emerging technologies, tools, frameworks, and methods in our software engineering simulation environment. We modernize, migrate, sustain, and update simulation software to adapt legacy systems to new operating systems. We perform project management functions related to simulation software development. Technologies: Architect C# Cloud Embedded Ethernet Firmware Git Hardware Support Python Rust Security Visual Studio ASP.NET C++ More: We are Solstice Analytics, and we create innovative solutions through collaboration to help make the world a better place. Our Simulation Integration and Delivery team in Berkeley, Missouri supports simulation software across our commercial, defense, and internal programs, working closely with program teams to deliver hardware and software that directly support our customers. This role offers the opportunity to work in a collaborative, inclusive environment with strong professional growth potential. We provide a competitive Total Rewards package that may include base pay, variable compensation, health and retirement benefits, paid and unpaid time away, and potential signing bonus eligibility for qualified external candidates. This is a first-shift, U.S.-based position with relocation support available for eligible candidates, and applications are accepted until July 8, 2026. last updated 27 week of 2026