Software In The Loop (sitl) Engineer Jobs

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1d ago

Software Engineer - Simulation

York Space Systems Greenwood Village, CO

Greenwood Village, CO

1d ago

$110k - $190k/yr Full time Python Engineering Flight Simulation

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Job Description

The Software Engineer - Simulation position supports physics-based spacecraft simulation capabilities by developing models, validating behavior against real-world responses, and creating mission test scenarios. The role also supports SIT software development processes and interfaces across simulation and mission systems.

Key Responsibilities

Develop and maintain the physics simulator, improving model fidelity and runtime performance.
Create new simulation capabilities aligned with evolving vehicle components and validate that modeled behavior matches real behavior.
Author, develop, and integrate mission test scenarios, including fault and off-nominal cases.
Build and maintain interface emulator logic.
Model telemetry with sufficient accuracy to support meaningful regression testing.
Support and extend development work targeting the hardware interface with the simulation environment.
Collaborate with Systems Architecture and FSW teams on component development efforts.
Coordinate with other teams on simulation health.
Support internal users directly and incorporate feedback into simulation models.
Follow SIT software development processes to support fast, quality releases.
Implement software development, testing, and CI/CD practices that align with division and department standards.
Develop and maintain product documentation, user guides, and model validation records.

Required Qualifications

Bachelor's degree or greater in Aerospace Engineering, Mechanical Engineering, Physics, Computer Science, or a related field.
2+ years of experience in software engineering or a related field.
Demonstrated development experience in Python and C++.
Working knowledge of physics-based modeling, numerical methods, or control systems.
Demonstrated proficiency in a Linux environment and with bash scripting.
Demonstrated proficiency with Git and modern Agile software development practices and tools.

Technology Stack

Python, C++
Linux, bash scripting
Git, GitLab CI/CD
CAN, SpaceWire, RS-422
Docker
Software-in-the-Loop (SITL), Hardware-in-the-Loop (HITL)
UDP/TCP

Preferred / Desired Qualifications

Coursework or experience in orbital mechanics, attitude dynamics, or GN&C.
Experience emulating hardware interfaces or spacecraft bus protocols such as CAN, SpaceWire, or RS-422.
Experience writing performance-sensitive simulation or real-time software.
Experience validating models against test or flight data.
Experience designing and working with APIs.
Familiarity with spacecraft flight software and avionics architectures.
Experience with Docker and containerization.
Experience with CI/CD pipelines, especially GitLab CI/CD.
Experience with Software-in-the-Loop (SITL) and/or Hardware-in-the-Loop (HITL) test systems.
Experience in end-to-end, system-level automated testing.
Experience with agentic or AI-assisted software development workflows.
Ability to interface with and handle flight hardware.
Familiarity with the space domain and satellite operations.
Networking concepts like UDP/TCP.
Active Top Secret security clearance or ability to obtain.

Compensation and Location

Location: Greenwood Village, CO (onsite). Salary: USD 110,000 - 190,000 per yearly.

Benefits

Medical, dental, and vision insurance
PTO
401K

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