Propulsion Engineer I
Firefly Aerospace
ABOUT FIREFLY AEROSPACEFirefly Aerospace is a space and defense technology company on a mission to reliably and repeatedly launch, land, and operate space systems from Earth to the Moon and beyond. As the partner of choice for critical space missions, Firefly is the first commercial company to launch a satellite to orbit with 24-hour notice and the first company to achieve a successful Moon landing. Headquartered in north Austin, Texas, Firefly is looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.About the RoleThe position of Propulsion Engineer within the Spectre Engine team at Firefly involves leveraging creativity, ingenuity, and experience to develop hypergol engines for our Blue Ghost program. Engineers tackle complex challenges throughout the project life cycle, from design and analysis to manufacturing, testing, and operational support. Collaborating closely with other product groups, such as structures, fluid systems, and avionics, Propulsion Engineers take ownership of projects and make critical decisions. Successful candidates will demonstrate a passion for solving challenging problems, the ability to synthesize information, and a determination to create leading-edge propulsion systems in a dynamic, fast-paced environment.ResponsibilitiesServe as Responsible Engineer for in-space propulsion hardware including main and attitude control engines, valves, and propellant tanks.Develop new and innovative design concepts for propulsion integration and operations that reduce complexity and maximize reliability within budgetAssist in the development of manufacturing, integration, and test processes, including work instructions, test procedures, development testing, and initial build supportAct as the primary point of contact for design, analysis, and operations of spacecraft fluid systemsPerform flight operations as a primary operator for fluids and propulsion systemsOwn and execute development, qualification, and acceptance testing of flight hardwareExecute design for manufacturability changes to enhance production efficiency and vehicle reliabilityIdentify system risks and conduct corresponding trade studies to ensure successful vehicle operationDrive development of automation and test data analysis toolsQualificationsRequiredBS in Aerospace Engineering or related engineering discipline.Strong engineering fundamentals in fluids, thermodynamics, and mechanicsExperience in Siemens NX or equivalent CAD programComprehension of design fundamentals including tolerancing, ASME Standards, ASTM, and GD&TAbility to effectively work in a multi-discipline team and provide technical guidance and insight.Desired QualificationsMasters Degree in Mechanical, Aerospace, or related engineering discipline.2+ years of progressive experience in related engineering disciplineExperience with storable liquid propulsion (NTO/MMH, Hydrazine)Experience leading technical reviews (design & analysis) or investigations (risk, anomaly, or trade studies)Hands-on experience with integrating test articles and sub-assemblies for test or productionPrior experience working with data acquisition systems and test instrumentation including pressure transducers, thermocouples, resistance temperature detectors, flow meters, load cells, and accelerometersExperience with end to end ownership of technical projects from conception to deliveryStrong interpersonal and organizational skillsFirefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, educational reimbursement, short term disability, and flexible PTO options.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.Department: Propulsion Engineering Location: Cedar Park, TX
- ...passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.About the RoleThe position of Propulsion Engineer II within the Spectre Engine team at Firefly involves leveraging creativity, ingenuity, and experience to develop hypergol...SuggestedPermanent employmentTemporary workFlexible hours
- ...help fuel our successful trajectory into space.ABOUT THE ROLEThe Propulsion Fluid Systems team is responsible for the design, integration,... ...fluid subsystems across Fireflys spacecraft. As a Responsible Engineer, you will work across the full lifecycle of hardware,...SuggestedPermanent employmentTemporary workFlexible hours
- ...Propulsion Test Engineer Location: Onsite in Leander, TX Employment Type: Full-Time Reports To: Director of Engineering Position Overview We are seeking a hands-on Propulsion Test Engineer to design, build, operate, and support propulsion and ballistic testing...SuggestedPermanent employmentFull time
- ...across our launch vehicles and spacecraft, including our Blue Ghost Lunar Lander and Eclipse Launch Vehicle. As a Principal Propulsion Engineer, youll own the design, development, integration, test, and qualification of flight fluid systems. Working closely with engineering...SuggestedPermanent employmentTemporary workFlexible hours
$130k - $180k
...LinkedIn. Posting/External Job Title Senior Avionics System Engineer Location TX 78613 US (Primary) Remote/Onsite/Hybrid... ...teams leverage advanced carbon composite structures, patented propulsion technologies, and common components across platforms to move...SuggestedPermanent employmentFull timeContract workTemporary workFor subcontractorLocal areaRemote workFlexible hours- ...successful trajectory into space.SUMMARYA Firefly Electrical Engineer - Spacecraft Avionics is responsible for the design, development... ...integration, interfacing with software, mechanical, propulsion, fluids, and structures teams to ensure the proper functionality...Permanent employmentTemporary workFor subcontractorFlexible hours
- ...SUMMARYWe welcome you to join Firefly as a Spacecraft Systems Engineer, to leverage your creative and technical expertise for the development... ...mechatronics, materials, thermodynamics, fluid dynamics, and propulsion).Experience leading interdisciplinary project teams of...Permanent employmentTemporary workFlexible hoursShift work
- ...trajectory into space. SUMMARYAs a Firefly System Configuration Engineer, you will be the key focal point for vehicle level... ...thermodynamics, fluid dynamics, orbital mechanics, controls, and propulsion.Amenable to travel and schedule flexibility leading up to program...Permanent employmentTemporary workFlexible hours
$70k - $90k
...Description: Hyperion International Technologies is seeking a junior to mid-level Controls and Automation Engineer who will work with clients and vendors to design the systems and controls that meet the customers needs. The Engineer will have a good understanding...InternshipLocal areaRemote work- ...will be in our Cedar Park, TX locationSUMMARYFirefly Aerospace is looking for a talented and highly motivated Avionics Manufacturing Engineer to help lead the charge to scale up our in-house production capabilities to align with the launch schedule and exciting product...Permanent employmentTemporary workInternshipFlexible hours
- ...our successful trajectory into space.SUMMARYFirefly Aerospace is looking for a talented and highly motivated Avionics Manufacturing Engineer to help lead the charge to scale up our in-house production capabilities to align with the launch schedule and exciting product...Permanent employmentTemporary workInternshipFlexible hours
- ...Launch Site Development team is hiring for high-impact, dynamic engineering positions for those who thrive on solving real problems in... ...subsystem, serving as the connective tissue between fluids, propulsion, avionics, structures, software, and ground systems teams.RESPONSIBILITIESDevelop...Permanent employmentTemporary workFlexible hoursShift work
- ...successful trajectory into space.SUMMARY The Launch Vehicle Mechanisms Engineer III is responsible for the design, analysis, development, and... ...mechanisms integrate seamlessly with structures, avionics, propulsion, and operations. Partner with Manufacturing, Quality, and...Permanent employmentTemporary workFlexible hours
- ...power the world’s energy industry by delivering reliable, easy to use equipment and systems. As part of the Digital Services Surface Engineering team, the Electrical Engineer is responsible for the development, integration, commercialization, and lifecycle support of...
- ...a relentless drive for improvement and expertise in problem-solving. Work is performed on site. Bachelor's degree in Mechanical Engineering, Electrical Engineering, or Manufacturing Engineering Technology from an accredited university.Demonstrated competence in improving...
- ...The Application Engineer sees it all—design, manufacturing, installation and operation of our pumps and seals at our customers’ sites in the oil and chemical industries. In this challenging position the Application Engineer (AE) provides real-time technical support to...Local areaNight shift
- Hi , Our client is looking for a Senior Electrical & Avionics Systems Engineer in Cedar Park, TX . If you're interested please share your update resume along with your yearly expected salary Job Title: Senior Electrical & Avionics Systems Engineer Location: Cedar...Permanent employmentFull time
- ...application due to a disability, contact this employer to ask for an accommodation or an alternative application process. Sr. Electrical Engineer Cedar Park, TX, US 2 days ago Requisition ID: 1307 Sr. Electrical Engineer McCoy Global THIS JOB IS FOR YOU IF YOU...
- ...trajectory into space. This position is in the Environmental Test Lab in Leander, TX.SUMMARYWe are looking for an Environmental Test Engineer to join the Launch, Integration, and Test department at Firefly Aerospace. In this role, you will be an integral part of Test Team...Permanent employmentTemporary workFlexible hours
- ...is pushing the boundaries of space access with rapid launches and lunar missions. We're looking for a hands-on Senior Electrical Engineer who loves getting deep into circuit design including schematic capture, PCB layout, component selection, simulations, and rapid prototyping...Permanent employmentTemporary workFlexible hours
- ...Job Role: Senior Avionics Hardware Design Engineer Location: Cedar Park, TX Duration: Full time, Onsite Required Qualifications: - 5 or more years of PCB design, hardware systems design, and/or integration experience. - Skilled in schematic capture and digital...Full time
- As a key member of our cross-functional team, you'll drive process excellence, focusing on assembly operations. Your role is critical to ensuring robust performance in safety, quality, delivery, and cost. We seek a candidate with a relentless drive for improvement and ...
$180k - $210k
...Job Title: Director, Propulsion Engineering Location: Leander, TX Employment Type: Direct Hire. Industry: Aerospace & Defense Compensation: $180k- $210k /year. Schedule: 40 hrs/Week. About the Opportunity: The Propulsion Director provides technical...Full timeWorldwide- Hi , Our client is looking for a Senior Avionics Hardware Design Engineer . If you're interested please share your update resume along with your yearly expected salary Job Title: Senior Avionics Hardware Design Engineer Location: Cedar Park, TX Required...Permanent employmentFull time
- ...successful trajectory into space.SUMMARYJoin the team that just landed on the Moon. Firefly Aerospace is seeking a Mission Operations Engineer II. We are scaling our operations for complex, multi-manifested missions to locations like the Lunar Far Side and South Pole.In...Permanent employmentTemporary workRemote workFlexible hoursShift work
- ...successful trajectory into space.SUMMARYJoin the team that just landed on the Moon. Firefly Aerospace is seeking a Mission Operations Engineer III. We are scaling our operations for complex, multi-manifested missions to locations like the Lunar Far Side and South Pole.In...Shift work
- ...Cimarron is seeking a Senior Avionics System Engineer to join our team at a rocket production facility in Cedar Park, TX. You will own the electrical architecture, guide AIT, and drive verification for spacecraft avionics. Ideal candidates have 7+ years in aerospace...Full time
- ...Position Introduction/Key Duties Cimarron is seeking a Senior Mechanical Engineer - Spacecraft Mechanisms to lead the development of our state-of-the-art mechanical separation and interfacing systems across the full product life cycle. You will own moving mechanical...Permanent employmentLocal area
- ...Propulsion Engineer Location: Leander, TX Work Arrangement: Onsite Employment Type: Full-Time Position Overview We are seeking a Propulsion Engineer to support the development of advanced propulsion and flight vehicle systems. This role combines propulsion...Permanent employmentFull time
- McCoy Global invites a Senior Electrical Engineer to lead the design, development, and testing of embedded systems powering our industrial sensors and control solutions. You will own products from concept to production release. The ideal candidate has deep C/C++ skills...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Propulsion Engineer I. Be the first to apply!




