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Staff Additive Simulation Engineer

Relativity Space is building autonomous, large-scale metal additive manufacturing and rockets for commercial launch; the Additive Technology team focuses on R&D at the intersection of hardware and software to push AM capabilities. We are seeking an experienced Staff Additive Simulation Engineer to develop and validate multiphysics models of metal AM processes, automate parametric studies, and translate simulation insights into process improvements across materials, process, and manufacturing teams.

Skills

  • Proficiency with multiphysics CAE tools (ABAQUS, ANSYS, Flow3D or equivalent)
  • Strong fundamentals in heat transfer, mechanics, metallurgy, and material behavior
  • Experience with automated/dynamic meshing and large model setup
  • Scripting experience to automate workflows (Python, C++, Fortran)
  • Design of Experiments (DOE) and statistical validation methodologies
  • Model calibration, verification, and experimental correlation
  • Familiarity with high-performance computing environments (preferred)
  • Ability to communicate technical results to cross-functional teams

Responsibilities

  • Develop, implement, and refine multiphysics simulation models for metal additive manufacturing using commercial and custom tools
  • Calibrate, verify, and validate models using experimental build and test data
  • Create automated workflows for parametric studies, uncertainty quantification, and sensitivity analysis using scripting and HPC
  • Apply automated and dynamic meshing techniques and manage large-scale simulation setups
  • Collaborate with process, materials, design, and manufacturing teams to translate simulation findings into actionable process changes
  • Document model assumptions, limitations, and results; prepare technical reports and stakeholder presentations
  • Monitor and adopt advances in AM process modeling, simulation methodologies, and process control

Education

  • BS or higher in Mechanical Engineering, Materials Science, Welding Engineering, or equivalent
  • Advanced degree (MS/PhD) preferred but not required

Benefits

  • Competitive salary and equity
  • Generous PTO and sick leave
  • Parental leave
  • Annual learning & development stipend
  • Benefits & perks package (health, retirement options subject to company plan)
To read the complete job description, please click on the ‘Apply’ button
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Average salary estimate

$176000 / YEARLY (est.)
min
max
$155000K
$197000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

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We are building the future of aerospace. A rocket company at the core, Relativity Space is on a mission to become the next great commercial launch company. Terran R, our medium-to-heavy lift reusable launch vehicle, will reliably deliver payloads...

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DEPARTMENTS
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
SALARY RANGE
$155,000/yr - $197,000/yr
EMPLOYMENT TYPE
Full-time, onsite
DATE POSTED
October 22, 2025
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