Probabilistic Risk Analyst (Supporting NASA at Johnson Space Center) - Military veterans preferred

Kellogg Brown & Root (


  full-time   employee

United States


Probabilistic Risk Analyst (Supporting NASA at Johnson Space Center)

The Human Health & Performance Contract (HHPC) has an opportunity for an experienced Probabilistic Risk Assessment (PRA) Engineer to support the development of NASA’s Exploration Extravehicular Mobility Unit (xEMU). The PRA Engineer will work with the subsystem team, the Reliability & Maintainability team, and the NASA customer to develop a quantitative model for predicting the likelihood of Loss of Crew / Loss of Mission. Applicants will represent the company and / or customer in outside discussions and technical forums, and will work under general administrative and technical supervision. Incumbent will perform other duties and responsibilities as required.


• Create scenario-based models of system operation in accordance with NASA requirements and industry best practices.

• Generate fault trees for each top-level event.

• Populate model with failure data.

• Perform Human Reliability Analyses.

• Perform Quantitative Risk Assessment.

• Determine Quantitative Cut Set and Path Set.

• Develop Event Trees.

• Conduct trades and sensitivity studies.

• Predict, present, and defend estimates for loss of life / loss of mission.

• Participate in all Milestone Reviews.


  1. Required

• Bachelor's Degree in Engineering or Mathematics plus minimum 5 years experience conducting PRA

• Probability and Statistical Analysis

• Calculating Mean Time Between Failure

• Determining Cut Sets

• Determining Failure Rates

  1. Desired

• Experience in NASA spaceflight development

• Bayesian probability

• Reliability Engineering

• Common-Cause Failure Analysis


  1. Required

• Strong written and oral communication skills

• Software – Windchill Quality Solutions, SAPHIRE

  1. Desired

• Proactive and effective in addressing issues

• Working knowledge across multiple engineering disciplines

Scheduled Weekly Hours:


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