Senior Software Engineer, Agentic CAD New Long Beach, California, United States

At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. OurTerran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launchcapacity. But that’s just the start. Achieving commercial success with Terran R will unlock newopportunities to advance science, exploration, and innovation, pioneering progress that reaches beyondthe 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. Nowis a unique moment in time where it’s early enough to leave your mark on the product, the process, andthe culture, but far enough along that Terran R is tangible and picking up momentum. The mostmeaningful work of your career is waiting. Join us.

About the Role:

Awerx is a new startup business unit within Relativity Space set to agentically engineer the future of aerospace. Awerx is building agentic CAD and operations tools for Relativity and External customers. The team recently launched the first agentically engineered, liquid fueled rockets and is expanding its agentic tooling to support more use cases and customers.

Awerx is building a core CAD engine that ships in several customer-specific versions. A senior engineer is essential to own the architecture, keep the core stable across every variant, and lead the customer-facing side Awerx CAD tools inside and outside of Relativity Space. We are looking for an expert software engineer with experience building in 3D environments with agentic first workflows.

What you'll do:

• Own the architecture of a shared core 3D engine that supports multiple customer-specific products
• Support teams bringing these agentic designs into reality
• Turn product requirements into architecture that holds up as the product line grows
• Work with an agentic first (human) team across agent swarms and human-agent communication interfaces
• Review and steer work produced by AI agents
• Own the customer-facing side of product engineering and integrated product enhancements while maintaining mission critical agentic capabilities

What we're looking for:

• 5+ years of experience in software architecture, ideally on multi-platform products (game engines, CAD tools, or similar)
• Experience running agents at home (beyond Claude Code), and are Comfortable using agentic coding tools day to day, with good judgement on what agents are outputting
• Comfortable working across several coding languages, with deep experience in one or two
• Experience working across products or teams, and demonstrated ability to learn entirely new domains and technologies beyond existing experience

Nice to have:

• Hands‑on experience developing with 20th century CAD vintages or CAD ecosystems (SolidWorks, Teamcenter, NX, plugin development)
• Shipping and maintaining software for multiple architectures with feature parity and reliability across all
• Mechanical engineering background, or having built real things with CAD / 3D printers

At Relativity Space, we are committed to transparency and fairness in our compensation practices. Actual compensation will be determined based on experience, qualifications, and other job-related factors.
Compensation is only one part of our total rewards package. Relativity Space offers competitive salary and equity, a generous PTO and sick leave policy, parental leave, an annual learning and development stipend, and more!To see some of the benefits & perks we offer, please visit here.

Hiring Range:

$154,000 - $230,000 USD

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Please note: Relativity Space does not accept unsolicited resumes, candidate profiles, or referrals from recruitment agencies or search firms. Any unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role.

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