Design, operate, and fabricate mechanical systems for thruster ground support; these include test stand support structures, heat exchangers, vacuum pumps, tooling, and fluid/electronic components such as valves, tubing, and transient protection circuitry. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.