- B2B
- Scale StageRapidly increasing operations
- Valuation $1B+This company has a valuation of $1B or more
Jobs at Firefly Space Systems
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Other Engineering
Principal Firmware Engineer
NewPosted 2 days ago
Principal Firmware Engineer
- Technical Authority & Architecture: Define and own firmware architectures for critical avionics systems. Make key technical decisions on design approach, interfaces, and trade-offs that balance performance, reliability, schedule, and risk.
- Hands-on Development: Design, implement, and debug complex firmware in C/C++ for embedded targe...
In office • Cedar Park
Other Engineering
Spacecraft Thermal Engineer III
NewPosted 3 days ago
Spacecraft Thermal Engineer III
- Lead thermal analyses that drive major vehicle design decisions across multiple spacecraft programs.
- Own the architecture, validation, and long-term maintenance of integrated spacecraft thermal models.
In office • Cedar Park
Other Engineering
Chief Engineer, Spacecraft
NewPosted 3 days ago
Chief Engineer, Spacecraft
- Define vehicle-level architecture, capabilities, specifications, operations, and interdisciplinary optimization in alignment with Firefly objectives
- Influence and direct configuration requirements by conducting, evaluating, and leading system-level trades to drive innovation in vehicle design and functionality
In office • Cedar Park
Engineering
Spacecraft GNC Engineer II
NewPosted 3 days ago
Spacecraft GNC Engineer II
- Develop and validate GNC software to ensure successful spacecraft mission execution
- Tune and configure GNC algorithms for all phases of spacecraft flight
In office • Cedar Park
Other Engineering
Spacecraft GNC Engineer III
NewPosted 3 days ago
Spacecraft GNC Engineer III
- Develop and validate GNC software to ensure successful spacecraft mission execution
- Tune and configure GNC algorithms for all phases of spacecraft flight
In office • Cedar Park
Other Engineering
Mechanical Engineer III
NewPosted 3 days ago
Mechanical Engineer III
- Formulate the comprehensive cradle to grave Road Map for your hardware - owning conceptual design, structural layout, sizing analysis, hardware production, and structural testing
- Design and development of composite pressurized structures
In office • Cedar Park
Engineering
Manager, Electrical Engineering
NewPosted 3 days ago
Manager, Electrical Engineering
- Lead and grow the spacecraft avionics engineering organization across multiple concurrent programs.
- Set technical strategy and ensure consistent avionics architectures, technologies, and approaches across all spacecraft vehicles.
In office • Cedar Park
Other Engineering
Launch Vehicle Mechanisms Engineer III
NewPosted 3 days ago
Launch Vehicle Mechanisms Engineer III
- Individual contribution and teamwork as the technical owner to develop and produce moving mechanical assemblies that meet the requirements to accomplish the goal of supporting launch vehicle missions.
- Create and manage hardware definition though CAD and drawings.
In office • Cedar Park
Other Engineering
Composite M&P Engineer I
NewPosted 3 days ago
Composite M&P Engineer I
- Research and select composite materials and processes for structural applications on existing or new designs.
- Perform related material testing and evaluations, such as microscopy, failure analysis, thermal analysis techniques and mechanical testing.
In office • Briggs
Other Engineering
Mechanisms Engineer III (Spacecraft)
NewPosted 3 days ago
Mechanisms Engineer III (Spacecraft)
- Own entire hardware lifecycle for all moving mechanical assemblies and structures on a mission to the moon.
- Develop and scrub requirements.
In office • Cedar Park
Engineering
Test Engineer II, Vehicle Stages
NewPosted 3 days ago
Test Engineer II, Vehicle Stages
- Set up and perform tests on a wide range of small valves, mechanisms, COPVs, and other Aerospace components
- Develop test procedures to check out and operate launch vehicle systems and subsystems
In office • Briggs
Other Engineering
Chief Engineer - Electrical Engineering
NewPosted 3 days ago
Chief Engineer - Electrical Engineering
- Own the technical baseline and architectural direction for electrical and avionics systems across Hardware, Firmware, Harnessing, Launch Vehicle Systems, and Spacecraft Systems.
- Define and own spacecraft and launch vehicle electrical architectures, including power generation/distribution/storage, command and data handling, communication interfaces, and harnessing.
In office • Cedar Park
Other Engineering
Launch Engineer IV, Test and Launch Operations
NewPosted 3 days ago
Launch Engineer IV, Test and Launch Operations
- Lead development of company processes, guidelines, and training in test and launch operations
- Develop and execute integrated test and launch operations at Briggs Test Stands (TX), Vandenberg Space Force Base (CA), Wallops Flight Facility (VA), and International Launch sites
In office • Briggs
Other Engineering
Fluids Engineer III
NewPosted 3 days ago
Fluids Engineer III
- Design, analyze, and build test stand and launch pad fluid systems, including incompressible, cryogenic, and high-pressure gas systems
- Own the full design cycle of your fluid systems, including generating schematics and P&IDs, sizing components, generating BOMs, creating CAD, procuring hardware, and generating drawings
In office • Briggs
Other Engineering
Analysis Engineer III
NewPosted 3 days ago
Analysis Engineer III
- Lead stress analysis of propulsion and fluid system hardware, including thrust chambers, feedlines, manifolds, valves, and pressurized components
- Perform and review static, thermal, dynamic, and durability (fatigue, fracture, and damage tolerance) analyses to guide design decisions and ensure strength, stability, stiffness, and life requirements are met
In office • Cedar Park
Other Engineering
Launch Engineer-Fluids Systems IV
NewPosted 3 days ago
Launch Engineer-Fluids Systems IV
- Design, build, and activate new fluid systems across a global launch portfolio including Vandenberg Space Force Base (CA), Wallops Flight Facility (VA), Cape Canaveral Space Force Station (FL), and Esrange Space Center (Sweden)
- Lead design reviews and collaborate with multidisciplinary teams — including design engineers, ...
In office • Briggs
Other Engineering
Structures Engineer I (Spacecraft)
NewPosted 3 days ago
Structures Engineer I (Spacecraft)
- You will own the entire hardware design cycle for a mission - including conceptual design, structural layout, sizing analysis, hardware production, and structural testing.
- Design and development of composite and metallic structures for orbital and lander spacecraft.
In office • Cedar Park
Other Engineering
Propulsion Engineer II/III - Alpha Turbopumps
NewPosted 3 days ago
Propulsion Engineer II/III - Alpha Turbopumps
- Demonstrate full ownership of turbopump hardware through the full product life cycle
- Own the fluid and mechanical design of turbopump components to meet operational requirements
In office • Briggs
Other Engineering
Structures Engineer II (Spacecraft)
NewPosted 3 days ago
Structures Engineer II (Spacecraft)
- Firefly engineers own and influence the entire hardware design cycle including conceptual design, structural layout, sizing analysis, hardware production, and structural testing.
- Design and development of composite and metallic structures for orbital and lander spacecraft.
In office • Cedar Park
Engineering
Test Engineer, IV Propulsion
NewPosted 3 days ago
Test Engineer, IV Propulsion
- Lead the integration, instrumentation, and execution of hotfire tests for the Spectre propulsion engine and related liquid propulsion systems
- Develop comprehensive test plans, procedures, and operational sequences for complex propulsion system testing
In office • Briggs