Firefly Aerospace · 17 hours ago
Fluids GSE Design Engineer III
Firefly Aerospace is a space and defense technology company that enables our world to launch, land, and operate in space. The Fluids Ground Support Equipment (FGSE) Design Engineer will develop fluid systems for launch sites and spacecraft, focusing on design, installation, and maintenance of these systems.
AerospaceAir TransportationSatellite Communication
Responsibilities
Design of ground fluid systems includes developing P&IDs, tube & pipe sizing calculations for cryogenic, multiphase, compressible & incompressible fluids, valve/fitting/component specification and selection, design for critical safety equipment, basic control philosophy for system modifications, pipe & equipment coating & insulation specification and more
Manage the fabrication, installation, checkout, and operation of these systems
Coordinate & plan fabrication/construction with GSE technician team, including but not limited to:
Providing P&IDs and dimensional drawings for systems
Generating drawings and work instructions
Planning/scheduling upcoming work
Consideration of technician feedback in the design phase
Provide on-the-ground support and direction to build teams
Coordinate with and perform work according to policy, procedures and specifications established by the Ground Support Equipment design team
Maintain a high level of understanding of relevant requirements, engineering codes and piping standards including launch range requirements and ASME B31.1, ASME B31.3, ANSI, API, and applicable NFPA standards
Participate in and lead internal design reviews, and operations readiness reviews, as well as represent Firefly during external design reviews
Perform activation testing of your systems including determining test objectives, test requirements, detailed procedure writing with a focus on safety, executing test plans and procedures, and working with other teams as necessary
Maintain and upgrade fluid systems as necessary, including crafting preventative maintenance plans for systems & equipment
Troubleshoot fluid systems for nonconformance's, using the company’s nonconformance reporting system to engineering instructions, i.e. dispositions and work steps
Travel to test and launch sites, as required, to support the company objectives
Qualification
Required
Bachelors' degree in mechanical engineering, aerospace engineering, or related engineering discipline
Strong understanding of first-principles in fluids, heat transfer, and thermodynamics
Direct experience with design and build of ground systems (GSE) or related fluid systems including, but not limited to test environments, fluid or gas conditioning/storage, manufacturing processes, and compressible gasses
Able to prioritize and execute tasks in a high pressure, fast paced environment
Ability to self-motivate and take the initiative to ensure your systems are functional and operating at peak performance
Willingness and enthusiasm to take extreme ownership over a large or complex system
Experience in an aerospace, R&D, or oil & gas environment
Capable of balancing detailed design tasks with higher level project management style tasks, including budgeting, scheduling, and communications
Capacity to organize, communicate, and lead in a multidisciplinary environment
5+ years of recent experience in a professional setting outside the classroom with fluid systems, pneumatics, hydraulics or HVAC systems in a design, assembly, test, or operations capacity
Willingness to travel in support of GSE build and activation 30% of the time
Cryogenic system design and/or operational experience
Preferred
Experience or familiarity with building or operating distributed control systems (instrumentation, data acquisition, DCS, SCADA, etc.)
Strong 3D CAD experience, preferably in Siemens NX/Teamcenter
Experience developing test and operational procedures
Familiarity with ASME, NASA, and SSCMAN standards related to fluid system design
7+ years of recent experience in a professional setting outside the classroom with fluid systems, pneumatics, hydraulics or HVAC systems in a design, assembly, test, or operations capacity
Hands-on experience building, troubleshooting, and operating complex fluid or mechanical systems
Benefits
Generous health, dental and vision plans with low plan deductibles
Parental leave
Educational reimbursement
Short term disability
Flexible PTO options
Company
Firefly Aerospace
Firefly Aerospace is a space company that develops and operates launch vehicles, lunar landers, and orbital vehicles for commercial mission.
Funding
Current Stage
Public CompanyTotal Funding
$796.56MKey Investors
Northrop GrummanRPM VenturesAE Industrial Partners
2025-08-07IPO
2025-05-29Corporate Round· $50M
2024-11-12Series D· $175M
Recent News
2025-12-30
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