Senior Propulsion Engineer - Fluid Systems

Axiom Space; Webster (TX); On-site; USD 90,000 - 140,000; Full time

Job summary

Axiom Space is seeking a Senior Propulsion Engineer – Fluid Systems to lead the design and analysis of spacecraft propulsion systems. This role requires expertise in fluid dynamics, thermodynamics, and system integration, contributing to the advancement of commercial space exploration. The ideal candidate will have significant experience in propulsion components and flight certification, ensuring system performance and safety.

Benefits

Medical insurance

Vision insurance

401(k)

Qualifications

• 4-9 years of experience in propulsion system design.
• Strong background in fluid dynamics and thermodynamics.
• Experience with 3D modeling and analysis software.

Responsibilities

• Lead design and development of propulsion fluid systems.
• Utilize modeling tools to evaluate system performance.
• Coordinate testing and validation of propulsion systems.

Skills

Problem-solving

Communication

Time management

Teamwork

Self-motivated

Education

Bachelor’s degree in engineering or related field

Tools

SolidWorks

ANSYS

Fluent

MATLAB

Job description

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Axiom Space is building for beyond, guided by the vision of a thriving home in space that benefits every human, everywhere. We foster a diverse environment inclusive of all perspectives. We are the pioneers of commercial space, leading the transformation of low-Earth orbit into a global space marketplace. Our mission-driven team is seeking a bold and dynamic person who is fueled by problem-solving, continuously curious, and driven to understand our world, science/technology, and life itself, for the benefit of all on Earth and beyond.

We are looking for an experienced Senior Propulsion Engineer – Fluid Systems to lead the design, analysis, and integration of spacecraft propulsion fluid systems. This role involves defining requirements, coordinating with vendors, supporting system modeling, and driving verification through testing. The ideal candidate has a strong background in fluid dynamics, thermodynamics, propulsion components, and system-level integration, with experience in both development and flight certification.

DUTIES & RESPONSIBILITIES

• Lead and support the design, development and maturation of propulsion fluid systems, including feedlines, regulators, valves, tanks and pressurization systems
• Utilize modeling and simulation tools to evaluate system performance, fluid dynamics, thermal effects, and transient behaviors
• Perform detailed sizing and selection of propulsion system components, ensuring compatibility with performance, thermal, and structural constraints
• Evaluate and select materials with compatibility in oxygen-rich environments, ensuring resistance to ignition, combustion, and degradation under operational conditions
• Drive and support propulsion system and fluid component testing to anchor analytical models, validate simulations, and refine system performance predictions
• Define, coordinate and control the functional and physical interfaces between the propulsion system and the vehicle
• Define, plan, and execute system and component-level tests, including development, qualification, and acceptance tests
• Coordinate and manage technical requirements, design verification activities, and schedules with external vendors
• Lead and participate in internal and external design reviews, ensuring compliance with system requirements and project milestones
• Collaborate with avionics, structures, thermal, and manufacturing teams to ensure successful integration of propulsion fluid systems
• Work closely with the engine team to ensure fluid system design aligns with engine performance requirements
• Perform additional job duties as assigned

QUALIFICATIONS:

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

Education & Experience

• Bachelor’s degree from an accredited college or university in engineering or related field, over 4 - 9 years of experience, or an equivalent combination of education and experience
• Strong problem-solving abilities and a proactive approach to address project challenges
• Demonstrated time management and organization skills to meet tight deadlines and quality objectives
• Highly desired experience in spacecraft propulsion system design, analysis principles, tools, and processes
• 3D modeling software knowledge, such as SolidWorks is preferred
• Analysis software knowledge, such as ANSYS, Easy5, Fluent, GFSSP, NASTRAN, ROCCID, ROCETS preferred
• Proficiency in programming languages like Python or MATLAB is preferred

Skills

• Excellent interpersonal skill
• Excellent communication skill, verbal and written
• Excellent organizational skills
• Result oriented personality with a creative approach to problem solving
• Ability to work in a team environment
• Self-motivated

WORK ENVIRONMENT:

• Generally, an office environment, but can involve inside or outside work depending on the task

Requirements

• Must be able to complete a U.S. government background investigation
• Management has the prerogative to select at any level for which the position is advertised
• Proof of U.S. Citizenship or US Permanent Residency is a requirement for this position
• Work may require travel to and from office, production, and test locations

Physical Requirements

• Work may involve sitting or standing for extended periods (90% of the time)
• May require lifting and carrying up to 25 lbs. (5% of the time)
• Equipment and Machines
• Standard office equipment (PC, telephone, printer, etc.)

To perform the job successfully, an individual should demonstrate the following principles:

Leadership

• Integrity First
• Safety Always
• Transcend
• Create
• Iterate
• Disrupt
• Bold

Teamwork

• Together
• Unstoppable
• Humility
• Relentless

Axiom Space is proud to be an equal opportunity employer. Axiom Space does not discriminate on the basis of race, regional color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with disability, or other applicable legally protected characteristics.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Industries

  Aviation and Aerospace Component Manufacturing, Oil and Gas, and Defense and Space Manufacturing

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Inferred from the description for this job

Medical insurance

Vision insurance

401(k)

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