Job Details

Fluids GSE Design Engineer III | Austin, TX

An innovative and rapidly growing aerospace company is looking for a Fluids GSE Design Engineer III to play a key role in the development of next-generation launch infrastructure, test stands, and production systems.

This position offers the opportunity to work across the full lifecycle of complex fluid systems, supporting mission-critical operations in a fast-paced and highly collaborative engineering environment.

Key Responsibilities

• Design and develop ground-based fluid systems, including P&IDs, system layouts, and engineering documentation
• Perform pipe and tube sizing calculations for cryogenic, compressible, and multiphase fluid systems
• Specify and select system components such as valves, fittings, insulation, and coatings
• Support fabrication, installation, commissioning, and operation of fluid systems
• Produce detailed engineering drawings and work instructions
• Collaborate closely with technicians and construction teams to ensure efficient system build and integration
• Lead and participate in internal and external design reviews and readiness reviews
• Develop and execute test procedures, including system activation and validation
• Troubleshoot system issues and manage non-conformance processes
• Ensure compliance with relevant engineering codes and standards (ASME, ANSI, API, NFPA)
• Support ongoing system maintenance, upgrades, and performance optimisation
• Travel to test and launch sites as required (approximately 30%)

Required Qualifications

• Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related discipline
• Strong understanding of fluid mechanics, heat transfer, and thermodynamics
• Proven experience designing and building fluid or ground support systems
• Background in aerospace, R&D, energy, or oil & gas environments
• Ability to balance detailed engineering tasks with project coordination responsibilities
• Strong communication skills and ability to work across multidisciplinary teams
• Minimum of 5 years' experience working with fluid systems, hydraulics, pneumatics, or HVAC systems
• Experience with cryogenic systems
• Willingness to travel up to 30%

Preferred Qualifications

• Experience with control systems such as DCS, SCADA, or instrumentation and data acquisition systems
• Proficiency in 3D CAD tools (Siemens NX or similar)
• Experience developing test and operational procedures
• Familiarity with ASME and aerospace-related standards
• 7+ years of relevant industry experience
• Hands-on experience building and troubleshooting complex mechanical or fluid systems

Additional Information

• This is an onsite role based in Austin, Texas
• Candidates should be comfortable working in a fast-paced, high-performance engineering environment
• Opportunity to contribute to cutting-edge aerospace and spaceflight programmes

Desired Skills and Experience

Fluid Systems Design, Ground Support Equipment (GSE), Cryogenics, P&IDs, Thermodynamics, Mechanical Design, ASME Standards, Hydraulics, Pneumatics, CAD (Siemens NX preferred), Test Engineering