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Software Engineer, HITL - Top Secret Clearance

Job in Hawthorne, Los Angeles County, California, 90250, USA
Listing for: SPACE EXPLORATION TECHNOLOGIES CORP
Full Time position
Listed on 2025-12-02
Job specializations:
  • Software Development
    Software Engineer, DevOps
Job Description & How to Apply Below

Software Engineer, HITL - Top Secret Clearance

Hawthorne, CA

Space

X was founded under the belief that a future where humanity is exploring the stars is more exciting than one where we are not. Today Space

X is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.

SOFTWARE ENGINEER, HITL - TOP SECRET CLEARANCE

As a Software Engineer in Special Programs, you will design, develop, and test key aspects of an in‑house solution for analysis, simulation, and prototyping of software in support of all Space

X flight systems. You will have full ownership of new features in a scalable, high‑performance application used to control and test flight systems. This is a high‑impact role where you will work across the engineering groups to build a high‑assurance system that accelerates the development and demonstration of cutting‑edge software and hardware.

Aerospace experience is not required. We look for smart, motivated software engineers who enjoy taking on complex challenges, work well in dynamic environments, and care about software best practices. Our software is critical to future mission successes, and we have no shortage of interesting challenges that require innovative, cutting‑edge solutions.

Responsibilities
  • Design and implement automated testing for hardware in the loop (HITL) and hardware out of the loop (HOOTL) software to ensure that deliverables meet target design criteria and operate within technical constraints
  • Develop full‑stack solutions to manage automated testing of vehicle subsystems leveraging simulation and flight software
  • Contribute to test automation and CI/CD infrastructure
  • Maintain the highest standards of excellence, never settling for the status quo
Basic Qualifications
  • Bachelor's degree in computer science, math, or an engineering discipline
  • 1+ years of experience in software development, developing applications in languages such as Python, C++, or Java
  • Experience with automated testing of hardware in the loop (HITL) and hardware out of the loop (HOOTL) software
  • Experience with test automation and CI/CD pipelines
  • Active Top Secret, Top Secret SCI, or DOE Level Q clearance
Preferred Skills and Experience
  • Strong software design and development skills
  • Professional experience in full‑stack development of production web applications is a plus
  • Experience with automated build and test frameworks such as Bamboo, Ansible, and Jenkins
  • Familiar with monitoring tools such as Grafana or Elasticsearch
  • Experience with containerized solutions such as Docker and Kubernetes
  • Professional experience with Linux or Unix systems and tools
  • Experience with database systems such as Postgres, MySQL, or Oracle
  • Strong skills in debugging, performance optimization, data throughput analysis and unit testing
  • Strong creative and innovative problem‑solving skills
  • Ability to work effectively in a dynamic environment by quickly adapting to changing needs and requirements
Additional Requirements
  • This position requires successfully obtaining and maintaining a Top Secret Security Clearance as a condition of employment. While the clearance may not be immediately necessary upon hire, we encourage you to initiate the application process promptly upon accepting this offer. Your ability to secure the necessary clearance is essential for fulfilling key responsibilities of the role. Should you be unable to obtain it, Space

    X reserves the right to modify or terminate your employment to align with operational needs.
  • Note that an active clearance may provide the opportunity for you to work on sensitive Space

    X missions. If so, you will be subject to pre‑employment drug and random drug and alcohol testing.
  • Willing to work extended hours and weekends when needed
Compensation and Benefits

Pay range:

  • Software Engineer/Level I: $ - $ per year
  • Software Engineer/Level II: $ - $ per year

Your actual level and base salary will be determined on a case‑by‑case basis and may vary based on the following considerations: job‑related knowledge and skills, education, and experience. Those with an active clearance will receive a 10% differential, up to an additional $15,000 annually, once officially briefed into a…

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