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Robotics Kinematics Engineer II

Remote Posted Jul 18, 2026 0 views

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Relativity SpaceJobs
Robotics Kinematics Engineer II

Robotics Kinematics Engineer II

Posted 16 Hours Ago
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Long Beach CA USA
In-Office
124K-186K Annually
Mid level
Aerospace • Hardware • Robotics • Software • Manufacturing
Building reusable rockets to empower science and exploration.
The Role
Develop and maintain real-time kinematics algorithms and a shared kinematics library for 6+ DoF robotic systems own calibration tools/methodologies using industrial metrology and serve as the SME for kinematics motion modeling and multi-axis synchronization across robotics products.
Summary Generated by Built In

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.

About the Team: 

Relativity Space pioneered large-scale additive manufacturing with our Terran 1 rocket the largest 3D-printed object to fly. Now a distinct business unit within Relativity Horizon Manufacturing Technologies is advancing next-generation manufacturing for aerospace and beyond. The team operates at the frontier of manufacturing innovation where creativity meets capability. This is an environment where cutting-edge R&D is put into production industrializing advanced manufacturing capabilities to solve customer problems. As member of the Horizon’s Robotics Team you’ll work alongside welders data scientists and material scientists creating an end-to-end additive manufacturing platform that serves a wide variety of applications. From exploring new materials to unlocking faster print speeds to designing complex organic geometries that can’t be built any other way it’s high-impact work that sets the foundation for the future of advanced manufacturing.

About the Role:

We are seeking a Robotics Kinematics Engineer to join the Robotics team at Horizon with broad technical skills and a good balance between theoretical and hands-on mindset to develop and own a crucial backbone for our software infrastructure related with kinematics and calibration. This role is ideal for a software engineer who thrives in cross-functional environments enjoys owning full projects from design to deployment and is comfortable navigating ambiguity in a fast-moving R&D setting.

  • Develop advanced kinematics algorithms for robotic systems (6+ DoF) including forward/inverse kinematics and redundancy resolution optimized for real-time performance.
  • Own and maintain the kinematics library shared across multiple robotics software products.
  • Develop and maintain calibration tools and methodologies supporting a wide range of robot calibration workflows.
  • Serve as the Subject Matter Expert (SME) for robot kinematics motion modeling and multi-axis synchronization. 

About You:

  • BS required; MS preferred in Robotics Engineering Control Systems Engineering Computer Science or a related technical field. 
  • 3+ years of experience developing kinematics algorithms for both underactuated and redundant robotic systems. 
  • Strong expertise in robot kinematic modeling and calibration methodologies using industrial metrology and localization hardware (Leica OptiTrack etc)
  • High proficiency in C++ Linux and modern software engineering practices; comfortable developing in Python.
  • Experience designing modular extensible software architectures that support diverse robot kinematics and configurations. • Experience with ROS and open-source robotics libraries. 

Nice to haves but not required:  

  • Experience with multi-robot coordination and synchronization.
  • Experience with mobile manipulators.
  • Experience developing software for real-time robotic systems.
  • PhD in Robotics Control Systems or a related technical field.

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:
$124000$186000 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.

If you need a reasonable accommodation please contact us at [email protected].


Skills Required

  • BS in Robotics Engineering Control Systems Engineering Computer Science or related technical field
  • MS in Robotics Engineering Control Systems Computer Science or related technical field
  • 3+ years developing kinematics algorithms for underactuated and redundant robotic systems
  • Strong expertise in robot kinematic modeling and calibration methodologies using industrial metrology and localization hardware (Leica OptiTrack etc.)
  • High proficiency in C++
  • Proficiency with Linux
  • Comfortable developing in Python
  • Experience designing modular extensible software architectures for diverse robot kinematics and configurations
  • Experience with ROS and open-source robotics libraries
  • Experience with multi-robot coordination and synchronization
  • Experience with mobile manipulators
  • Experience developing software for real-time robotic systems
  • PhD in Robotics Control Systems or a related technical field

Relativity Space Compensation & Benefits Highlights

  • Healthcare StrengthComprehensive medical dental and vision coverage with company‑funded HSA contributions mental‑health resources and One Medical are highlighted. EAP access a wellness stipend and gym discounts further reinforce the health and wellness offering.
  • Parental & Family SupportGenerous parental leave and a $10000 stipend for fertility adoption and other family‑building needs are prominently offered. Adoption assistance a return‑to‑work program partnership with Carrot Fertility and an onsite Mother’s Room add depth.
  • Wellbeing & Lifestyle BenefitsEveryday perks include complimentary lunches/snacks visiting food trucks quarterly barbecues offsites and milestone celebrations. An annual learning stipend Lunch‑and‑Learns and conference access support growth and day‑to‑day engagement.

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The Company
HQ: Long Beach CA
2200 Employees
Year Founded: 2016

What We Do

Relativity Space is on a mission to better connect humanity to space and the universe beyond our planet. Our medium-to-heavy lift reusable rocket Terran R 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.

Why Work With Us

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.

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Relativity Space Offices

OnSite Workspace

At Relativity Space we are an office-first company. We believe our best work happens in person—where collaboration is faster problem-solving is sharper and ideas flow more freely.

Typical time on-site: None
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HQThe Wormhole
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Launch Complex 16
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NASA Stennis Space Center
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Kent WA
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Washington DC
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