Propulsion Engineering (Hall Thrusters) - Senior/Staff Level

• Multiple openings for senior or staff level
• Must be eligible to work in the United States
• Must be onsite

ExoTerra is a world leader in solar electric propulsion systems and space exploration satellites. The company develops Hall Thrusters, propulsion modules, microsatellites and launch vehicle upper stages. We have been awarded multiple propulsion module and satellite contracts.

ExoTerra is also now part of Voyager Technologies. Voyager is an innovative defense, national security and space technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new frontiers for human progress, fortify national security, and protect critical assets to lead in the race for technological and operational superiority from ground to space.

• Lead and execute complex design, analysis, and test tasks for Hall-effect thrusters and propellant flow control systems.
• Independently determine engineering tasks required to complete complex program objectives.
• Lead detailed part and assembly design for Hall-effect thrusters and flight propellant fluidic systems.
• Conduct and oversee analyses of Hall thruster and fluidic systems to ensure products meet requirements.
• Lead thruster performance testing, including test planning, execution, and data analysis.
• Analyze thruster performance data, electric and magnetic fields; ensure designs meet customer requirements.
• Define and implement design changes to meet Design for Manufacturing and Design for Test principles.
• Lead environmental testing campaigns and support qualification activities.
• Own propulsion portions of major design reviews; present to internal leadership and customers.
• Develop verification and validation plans for Hall thrusters and propellant systems.
• Provide technical mentorship and peer review for Associate, Mid-Level, and Senior Propulsion Engineers.
• Manage small teams to accomplish propulsion development projects and program objectives.
• Support Hall thruster test facility development and utilization.
• Develop new analysis techniques and test methods to improve team capabilities.
• Collaborate with other subsystem teams for integrated propulsion system development.

• Bachelor's degree in engineering or related field relevant to Hall thruster development.
• At least 4+ years of experience in electric propulsion systems, with at least 4 years specifically related to Hall thrusters.
• Proven experience in the electric thruster development lifecycle (design, build, test, flight).
• Experience operating electric propulsion test systems and vacuum facilities.
• Strong expertise in thruster performance analysis and testing.
• Excellent written and verbal communication skills.
• Experience designing for the space environment.
• Candidates must comply with U.S. export control and ITAR requirements (U.S. person status required).

• Master's or Ph.D. in a field relevant to Hall thruster development.
• Understanding of low-cost electric propulsion system design, build, and test.
• Experience with propellant flow control systems and pressure management.
• Experience with plasma diagnostics and low thrust measurements.
• Experience mentoring engineers or leading efforts across multiple programs.
• Developing subject matter expertise in Hall thruster physics or propellant systems.

• Ability to work in office, lab, and test facility environments
• 8 hour shift, Monday to Friday, Full time
• Some overtime may be needed to meet program deadlines
• Some travel may be required

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.

Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data.

The Propulsion Engineer will serve as a technical contributor and developing subject matter expert within ExoTerra's Propulsion Engineering team. This role is responsible for complex electric propulsion development efforts, possibly managing small teams, and driving the design, analysis, and qualification of Hall-effect thrusters and propellant systems.

You will independently determine design and test approaches, mentor junior and mid-level engineers, lead technical trade studies, and collaborate across mechanical, electrical, and systems teams. Your expertise will ensure our Hall thrusters and propellant systems meet the demanding performance requirements for space exploration, defense, and commercial missions.

ExoTerra Resource Corp, LLC is a drug-free workplace and an Equal Employment Opportunity (EEO)/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, age, disability, marital status, veteran status or any other protected factor. ExoTerra Resource Corp is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities.