Software Engineer I,II,III: Simulations
Lodestar · Los Angeles, US
Posted 9 days ago · $99,000 - $133,000
or apply directly on Lodestar's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 9 days Lodestar's roles stay open a median of 33 days
- Reposted
- No
- Salary listed
- Yes 63% of Lodestar's roles list one
- Ghost-job risk at Lodestar
- moderate 2 stale, 1 reposted of 8 open
- Hiring momentum
- 11 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Lodestar's own greenhouse board since 2026-08-03. Full hiring picture for Lodestar.
About this role
As a Software Engineer at Lodestar, you will develop and maintain the simulation environment for the MITHRIL project, ensuring that all autonomy behaviors are validated before implementation. Your responsibilities will include creating high-fidelity sensor models, building test benches for flight software, and designing distributed services for running mission scenarios. You will collaborate closely with various teams to determine simulation needs and fidelity requirements.
- benefits
- 4/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 5/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Lodestar as an employer.
What you need
- Bachelor's or Master's degree in Computer Science, Aerospace, Robotics, Mechanical or Electrical Engineering, or equivalent experience
- 0–2 years of professional experience in simulation, robotics, or games for Software Engineer I; 2–5 years for Software Engineer II; 6+ years for Software Engineer III
- Working proficiency in C++ and Python
- Exposure to ROS 2 in an academic, research, or professional setting
- Understanding of multithreading fundamentals
- Familiarity with 3D game engines (Unreal Engine or Unity)
Nice to have
- Familiarity with orbital mechanics and Basilisk
- Experience with physics engines and rigid-body dynamics
- Sensor modelling experience across electro-optical, LIDAR, RADAR, or RF sensors
- Experience with GPU rendering pipelines or CUDA
- Exposure to robotics or space simulation frameworks such as Gazebo, Isaac Sim, Basilisk, or 42
What you get
- Entry-level salary range: $99,000 - $133,000
- Developing-level salary range: $115,000 - $174,000
- Career-level salary range: $136,000 - $200,000
- Senior-level salary range: $175,000 - $250,000
- Meaningful equity incentives as part of employee option pool
- Flexible PTO with generous paid vacation, holidays, and sick leave
Worth weighing
- No specific mention of remote work options
- The role requires U.S. citizenship or eligibility for ITAR compliance
- The technology stack includes Unreal Engine and ROS 2, which may be considered legacy by some
- The position emphasizes an 'extreme ownership' culture, which may require a high level of responsibility and accountability from employees
Summarised from Lodestar's posting. Read the full original.
Listed by Lodestar on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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