Sr Materials & Processes Engineer, Powder Bed Fusion (PBF)

Relativity Space • Long Beach, CA

100d • $133,000 - $170,500

About The Position

At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact exist at every level. Here, you're not just executing tasks; you're solving problems that haven’t been solved before, helping develop a rocket, a factory, and a business from the ground up. Whether you’re in propulsion, manufacturing, software, avionics, or a corporate function, you’ll collaborate across teams, shape decisions, and see your work come to life in record time. Relativity is a place where creativity and technical rigor go hand in hand, and your voice will help define the stories we’re writing together. Now is a unique moment in time where it’s early enough to leave your mark on the product, the process, and the culture, but far enough along that Terran R is tangible and picking up momentum. The most meaningful work of your career is waiting. Join us.

Requirements

• Bachelor’s degree in materials science or engineering, or related field
• 5+ years of relevant materials engineering experience
• Experience with general propulsion hardware M&P activities, such as material selection, qualification, damage tolerance, inspections, risk assessments, and failure analysis
• Experience performing material and part qualifications for AM PBF hardware
• A core commitment to accountability, collaboration, and execution
• A desire to establish and foster strong interdisciplinary relationships across the company
• An authentic, introspective, and inclusive mindset towards technical, interpersonal, team growth, and development
• Passion to work in a fast-paced and challenging environment on constantly iterating PBF printed rocket engine products, driving big impact on critical program needs as we ramp manufacturing rate + achieve reuse

Nice To Haves

• Industry-leading expertise in metal PBF additive manufacturing for production of reusable rocket engine or aerospace parts
• Expertise in nickel, ferrous, aluminum, or titanium alloy systems
• Metallic AM experience beyond PBF: EBAM, LP-DED, WAAM, Cold Spray, etc.
• Metallic fusion welding M&P expertise in Laser Welding, EBW, GTAW, GMAW, etc.
• Metallic wrought, forging, or casting M&P expertise
• Knowledge of surface modification processes and coatings relevant to inhibit surface damage + corrosion of reusable rocket parts
• Statistical experimental design and design allowable calculation methodology expertise

Responsibilities

• Be the M&P discipline expert for Powder Bed Fusion (PBF) additive manufacturing of reusable launch vehicle products
• Be the M&P owner of reusable Liquid Propulsion Products and Materials Systems
• Qualify PBF materials and products for flight + reuse
• Drive system level requirements and workflows to qualify PBF materials + parts for damage tolerant design, inspection, flight, and reuse
• Develop, implement, and maintain technical specifications and engineering standards for our PBF materials
• Drive PBF material process improvement campaigns in partnership with the PBF engineering team
• Interface with PBF Engineering + Production staff to iterate and qualify PBF processes
• Collaborate with Materials engineering staff to identify, define, and fill critical technology gaps
• Work with Laboratory staff to characterize PBF materials and processes
• Coordinate with Design Engineers for product materials selection, allowables development, analysis, qualification, flight, and reuse
• Partner with Manufacturing Engineers to reduce cost + rate while maintaining needed performance from our PBF printed materials
• Engage with Quality assurance to facilitate specification compliance validation across all PBF processes
• Collaborate with Propulsion Engineers to perform failure analysis, root cause and corrective action campaigns when PBF parts fail in service
• Work with Relativity + Customer Fracture Control Boards to achieve vehicle reuse with PBF printed parts
• Communicate with Company Leadership to elevate risks and power through roadblocks

Benefits

• Competitive salary and equity
• Generous PTO and sick leave policy
• Parental leave
• Annual learning and development stipend

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: Bachelor's degree
• Number of Employees: 1,001-5,000 employees