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Space Environment Engineer

HX5, LLC
life insurance, vision insurance, parental leave, paid time off, paid holidays, tuition reimbursement, 401(k)
United States, Texas, Houston
Apr 18, 2025

Space Environment Engineer
Engineer Specialist, Senior
ADV000AK1
NASA Johnson Space Center
Houston, Texas

HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide.

HX5 is currently seeking a Space Environment Engineer to join the team with NASA at Johnson Space Center (JSC).

Essential Duties and Responsibilities

The Space Environment Engineer will:

  • Provide support as a space environments engineer for multiple NASA programs including Gateway and Axiom Station.
  • Provide systems engineering support with space environments requirements and verification activities, working in concert with NASA civil servants and designated contractors
  • Evaluate induced environmental hazards between space station elements and visiting vehicles
  • Conduct systems engineering trade studies in the form of modeling/analysis activities to identify potential contamination risks and mitigations strategies
  • Develop and update semi-empirical and theoretical models
  • Analyze/model molecular contamination and transport of contaminants from contamination sources (such as materials outgassing, vacuum venting, and chemical thruster plumes) onto external surfaces
  • Analyze/model plasma effects and spacecraft charging
  • Analyze/model radiation transport and effects to materials
  • Assess compatibility of spacecraft hardware with natural and induced space environment
  • Perform other duties as required

Education andExperience
This position has been posted at multiple levels. Depending on the candidate's experience, requirements and business needs, we reserve the right to consider candidates at any level for which this position has been advertised.

  • Must have one of the following combinations of education and experience:
    • Master's degree in engineering from an ABET-accredited engineering school and fifteen (15) years ofrelated experience
    • Bachelor's degree in engineering from an ABET-accredited engineering school and twenty (20) years ofrelated experience
  • 3 or more years of related work experience or an equivalent combination of technical education and experience (e.g., M.S. or Ph.D.)
  • Experience with CAD and 3D modeling software (Creo, SolidWorks, etc.)
  • Experience with meshing and/or finite element analysis software (Femap, NX Advanced Simulation, Ansys, Thermal Desktop, HyperWorks, etc.)
  • Experience using Microsoft Office Suite
  • Experience in Computer Programing
  • Strong analytical and computational skills (CFD and thermal analysis skills/experience are transferable)
  • Ability to work collaboratively in a multidisciplinary field
  • Effective written and verbal communication skills

Preferences

  • Bachelor's degree or higher in Engineering (Aerospace, Mechanical, Chemical, Electrical, Nuclear), Physics or
    Chemistry
  • M.S. or Ph.D. in Engineering
  • 5 or more years of related work experience or an equivalent combination of technical education and experience (e.g., M.S. or Ph.D.)
  • GPA 3.0 or higher
  • Experience with coding in Fortran, Python, C++, or MATLAB
  • Experience with hydrocode (LS Dyna)
  • Experience with Linux operating system and high-performance computing (HPC) clusters
  • Knowledge of natural and induced Space Environments (Cislunar - Near Rectilinear Halo Orbit (NRHO), Low Earth Orbit (LEO), Geostationary Orbit (GEO), and High Earth Orbit (HEO))
  • Knowledge of GCR, solar wind/ plasma, CMEs/SEPs, solar irradiance, micrometeoroid, and cislunar gravity models and definitions
  • Experience with developing software to implement analytical models
  • Experience with materials outgassing, molecular transport, thin film deposition, optical property degradation, molecular
    gas dynamics, and/or multi-phase flows
  • Experience with hypergolic and Hall Effect thrusters' operation as well as associated plume characteristics
  • Experience with plasma charging analyses, ionizing radiation analyses, and/or related tools (NASCAP, SPIS, IRI, AE9/ AP9, CREME96, SHIELDOSE, ESP/PHYCHIC, SPENVIS, MCNP, etc.)
  • Experience with external contamination/molecular deposition analysis codes and/or tools (e.g., Tecplot, NX, Hyper Works, Para View, MATLAB, LS Dyna, etc.)
  • Experience with the Gateway Program, other NASA programs, and/or other space projects
  • Experience with the LINUX operating system

Position Type/Expected Hours of Work:

This is a full-time position and offers a 9/80 work schedule (every other Friday off).

Work Environment:

  • Generally, an office environment, but can involve inside or outside work depending on task.
  • Equipment and Machines - Standard office equipment (PC, telephone, printer, etc.).

Physical Requirements:

  • Work may involve sitting or standing for extended periods (90% of time).
  • May require lifting and carrying up to 25 lbs. (5% of time).

Other Position Requirements:

  • Proof of U.S. Citizenship or US Permanent Residency is a requirement for this position.
  • Must be able to complete a U.S. government background investigation.

HX5 offers a competitive salary and benefits package to include:

  • Medical/Dental/Vision Insurance
  • 401(k) plan with Company Match
  • Paid Holidays
  • Paid Time Off
  • Parental Leave
  • Life Insurance
  • Tuition Reimbursement
  • Identity Protection
  • Medical and Dependent Care Flexible Spending Accounts
  • Commuter/Transit Spending Accounts
  • Group Legal Coverage Options
  • Pet Insurance

HX5, LLC is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.

HX5, LLC is a Drug Free Workplace Employer.

ACCESSIBILITY NOTICE: If you need a reasonable accommodation for any part of the employment process due to a physical or mental disability, pleasecall (850) 362-6551.

CJ

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