Axiom Space

Guidance, Navigation, & Controls (GNC) Simulation Engineer

Axiom Space$90K — $130K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Aerospace Engineering or related field
  • 4-9 years of relevant experience or equivalent education/experience
  • Proficient in C/C++, Python, and Matlab
  • Experience with 6-DOF Monte Carlo simulations
  • Familiarity with NASA's Trick simulation framework is preferred
  • Experience in Software/Hardware in the Loop development
  • Strong organizational and communication skills

Responsibilities

  • Design, analyze, and implement GNC algorithms for aerospace vehicles
  • Develop analysis tools and simulation architecture
  • Perform 6-DOF modeling and performance analysis
  • Conduct Monte Carlo analyses to validate model behavior
  • Integrate GNC functionality on hardware-in-the-loop systems
  • Contribute to system-level design reviews and requirements development
  • Lead sub-projects and mentor junior engineers

Benefits

  • High-energy, fast-paced work environment
  • Opportunity to contribute to cutting-edge aerospace projects
  • Onsite work at the Space Station Development Facility
  • Collaboration across multi-disciplinary teams
  • Access to agile project management methodologies
  • Potential for professional development and leadership opportunities
  • Engagement with technical and non-technical stakeholders
Full Job Description
POSITION SUMMARY

We are looking for a resilient, high-energy, experienced GNC Engineer with experience developing aerospace vehicle simulation models. The engineer will work in fast paced environment to contribute to the development of GNC simulation development and analysis across the program lifecycle for Axiom Space's modules. The successful engineer will work well across multi-disciplinary teams and use a system level understanding when implementing their design. The role requires strong technical background, organizational time management and adept communication skills. Will be based onsite at our Space Station Development Facility (SSDF).

KEY DUTIES & RESPONSIBILITIES
  • Design, analyze, and implement GNC algorithms & simulations for aerospace vehicles.
  • Maintain and develop analysis tools, regression test scenarios, Monte Carlo framework and simulation architecture.
  • Perform 6-DOF modeling, simulation, and performance analysis to evaluate system behavior under nominal and off-nominal conditions
  • Build high-fidelity dynamic models of vehicles, sensors, actuators, and environmental models.
  • Conduct Monte Carlo analyses and sensitivity studies to validate robustness and reliability.
  • Validate simulation models against test data and engineering expectations.
  • Use programming languages including C/C++, python, and Matlab (or similar) to develop simulations.
  • Collaborate with embedded software teams to integrate, test, and verify GNC functionality on hardware-in-the-loop (HIL) systems.
  • Support development of requirements, interface definitions, and verification plans for flight software.
  • Plan and execute verification and validation activities, including unit tests, SIL/HIL testing, and integrated system tests.
  • Analyze flight test or mission data to assess GNC performance and identify areas for improvement.
  • Support troubleshooting and root-cause analysis for anomalies observed during testing or operations.
  • Work with hardware teams to define performance requirements and ensure compatibility with GNC architecture.
  • Contribute to system-level design reviews, requirements development, and architecture decisions.
  • Collaborate with propulsion, avionics, structures, and mission operations teams to ensure GNC solutions align with overall vehicle design.
  • Provide technical leadership on sub-projects, mentor junior engineers, and support design trade studies.
  • Prepare technical reports, design documentation, test plans, and analysis summaries for internal and external stakeholders.
  • Present findings at design reviews, customer meetings, and cross-disciplinary engineering forums.
  • Ensure compliance with aerospace standards, safety requirements, and certification processes.
  • Communicating project progress, status, and potential issues to stakeholders and leadership
  • Implementing and maintaining agile project management methodologies throughout the project lifecycle
  • Perform additional job duties as assigned


QUALIFICATIONS:

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

Education & Experience
  • Bachelor's degree in Aerospace Engineering or other related technical degree required
  • 4-9 years of experience, or an equivalent combination of education and experience required
  • Experience developing with 6-DOF Monte Carlo simulations of aerospace vehicles
  • NASA's Trick simulation framework and JSC Engineering Orbital Mechanics (JEOD) preferred.
  • Proficient with C++, Matlab, and/or Python coding languages.
  • Development in a Linux environment.
  • Experience with Software/Hardware in the Loop development, analysis and test.
  • Experience validating simulation models (e.g. Sensor/actuator models)
  • Broad understanding of GNC technology domains
  • Git CI/CD + pipeline development / maintenance
  • Track record of delivering outcomes in ambiguous, fast-moving environments
  • Uses good judgement to problem-solve proactively, positively impacting hard challenges

Proven to deliver high quality results under tight deadlines

Grit
  • Passion for space and the mission
  • Entrepreneurial, growth mindset
  • Perseverance
  • Resourceful, adaptable


Skills
  • Executes priorities with precision and pace
  • High EQ and ability to collaborate within teams and cross-functionally
  • Tech-savvy in using systems and tools to move faster and smarter
  • Excellent written and verbal communication skills


Competencies:

Embody our core values of leadership, innovation, and teamwork. In addition, to perform the job successfully, an individual should demonstrate the following competencies:
  • Accountability
  • Sense of Urgency
  • Extreme Ownership
  • Execution and Delivery
  • Efficiency
  • Effectiveness


WORK ENVIRONMENT:

Generally, an office environment, but can involve inside or outside work depending on the task.

Requirements
  • Must be able to complete a U.S. government background investigation
  • Management has the prerogative to select at any level for which the position is advertised
  • Proof of U.S. Citizenship or US Permanent Residency is a requirement for this position
  • Must be willing to work evenings and weekends as needed to meet critical project milestones


Physical Requirements
  • Work may involve sitting or standing for extended periods (90% of the time)
  • May require lifting and carrying up to 25 lbs. (5% of the time)
  • Equipment and Machines
  • Standard office equipment (PC, phone, printer, etc.)

About Axiom Space

Axiom Space is a private space exploration company that aims to build the world's first commercial space station. The company was founded in 2016 by Michael Suffredini, who previously served as the manager of the International Space Station program at NASA. Axiom Space plans to launch its first module to the International Space Station in 2020, and eventually detach it to form the core of its own space station. The company has partnerships with major aerospace companies such as Boeing and SpaceX.
Learn more about Axiom Space

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