Mechanical Engineer II (Propulsion Valves)

Firefly Aerospace; Town of Texas (WI); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Generous health, dental and vision plans

Parental leave

Educational reimbursement

Short-term disability

Flexible PTO options

Job summary

Firefly Aerospace in the Town of Texas, WI is seeking an innovative engineer to manage fluid components for their launch vehicles. This role encompasses the entire lifecycle from conception to production support, maintaining a focus on high-performance systems. Candidates should possess a BS in Aerospace Engineering, 3+ years in fluid system design, and strong project management skills. Benefits include generous health plans, parental leave, and educational reimbursement, all supporting a collaborative multi-disciplinary workplace.

Qualifications

• 3+ years of experience in a valve or fluid system design-related role.
• Skilled in creating analytical/numerical models of engineering devices and processes.
• Experience with valve and regulator design.

Responsibilities

• Demonstrate extreme ownership of hardware.
• Conceptualize, design, develop and deliver propulsion components to high-performance systems.
• Manage multiple projects and competing priorities.

Skills

Fluid mechanics

Heat transfer

Structural analysis

Valve design and operation

Analytical/numerical modeling

Complex project management

Collaboration in multidisciplinary environments

GD&T

DFM

FEA and/or CFD analysis

Education

BS in Aerospace Engineering or related engineering discipline

Tools

High-pressure systems

Cryogenic systems

Hydraulic systems

Pneumatic systems

Job description

Career Opportunities with Firefly Aerospace

Firefly is an end‑to‑end responsive space transportation company on a mission to enable launching, landing, and operating in space anywhere, anytime. Our launch vehicles, lunar landers, and orbital vehicles provide government and commercial customers with full mission services from low Earth orbit to the surface of the Moon and beyond. Headquartered in north Austin, Texas, Firefly is looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.

SUMMARY

Firefly’s fluid components team designs, builds, tests, and qualifies high‑performance, precision fluid components for the Alpha launch vehicle, Eclipse launch vehicle, Blue Ghost lunar landers, and Elytra spacecraft. Team engineers own their products through the entire lifecycle, from conception to qualification and handoff to production.

RESPONSIBILITIES

• Demonstrate extreme ownership of hardware
• Conceptualize, design, develop and deliver propulsion components to high‑performance systems
• Responsible for entire development lifecycle and production support as the technical expert.
• Own a combination of Firefly developed and commercial‑off‑the‑shelf (COTS) valves, regulators and actuators
• Prepare content for and lead CoDRs, MRR, PDRs, TRRs, data reviews and CDRs
• Author and execute qualification, and acceptance test plans with hands‑on hardware problem solving
• Work to standardize solutions across programs and product lines
• Improve mission cadence by identifying and implementing cost‑saving and risk‑reduction measures
• Lead cross‑functional teams of analysts, manufacturing engineers, quality engineers, supply chain representatives, and test engineers to deliver tested hardware on time
• Resolve non‑conformances and implement design changes to improve product yield and manufacturability
• Work with the program teams to develop hardware upgrades in alignment with ambitious performance and cost goals
• Develop simulation‑based design methods and validate using subscale and full‑scale testing
• Lead failure investigations to determine root cause and implement mitigations
• Qualify existing and new product lines following guidance from SMC‑S‑016 and S‑080 as applicable
• Manage multiple projects and competing priorities

QUALIFICATIONS

Required

• BS in Aerospace Engineering or related engineering discipline
• 3+ years of experience in a valve or fluid system design‑related role.
• Exceptional comprehension of engineering fundamentals including fluid mechanics, heat transfer, structural analysis, materials, and processes.
• Strong understanding of fluid systems aspects such as fluids systems sizing, valve design and operation, instrumentation, flexible element design & integration and fluid fittings
• Skilled in creating analytical/numerical models of engineering devices and processes.
• Ability to successfully manage complex projects.
• Works well in a collaborative, fast paced, multidisciplinary environment.
• Demonstrated interest in advancing “newspace”.
• Self‑motivated with minimum direction required.
• Ability to creatively develop economical solutions.
• Served as a Responsible, Manufacturing or Test engineer for an aerospace development project in a fluids related subsystem.
• Proficient with GD&T
• Proficient with DFM
• Proficient with FEA and/or CFD analysis
• Knowledge of high‑pressure, cryogenic, hydraulic, and pneumatic systems
• Experience with valve and regulator design
• Experience with liquid oxygen or other cryogenic operations
• Experience with rapid development techniques for hardware

Benefits

Firefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low deductibles, parental leave, educational reimbursement, short‑term disability, and flexible PTO options.

Compliance and Equal Opportunity

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.

Firefly Aerospace, Inc. is an Equal Opportunity Employer; employment with Firefly is governed based on merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.