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Last Mile Driver (Houston)
About Base Base is America’s next-generation power company. We’re rebuilding the foundation of modern civilization–electricity–by deploying a vast network of distributed batteries that is transforming today’s fragile,…

Senior CNC Programmer, Second Shift
Program and operate multi-axis CNC machines to machine 3D-printed engine parts, optimize G-code, and transition parts from first article to production in a rocket-engine manufacturing team.

Senior Quality Inspector - Test & Launch
Inspects aerospace hardware against CAD models and engineering drawings to ensure quality and compliance, collaborating with engineering and manufacturing teams to resolve issues.

Senior Embedded Software Engineer, Linux
Develops safety-critical embedded Linux software for rocket avionics, focusing on networking, video, and hardware integration for real-time flight systems.

Senior Flight Software Engineer
Senior Flight Software Engineer at Relativity Space developing safety-critical flight software for the Terran R rocket, focusing on real-time control systems, telemetry, and integration with vehicle systems. Core technologies include Rust, C++, Linux, and networking (TCP/IP, UDP).

Senior Avionics Hardware Engineer
Design and deliver spacecraft avionics hardware for Relativity Space's Interplanetary Sciences Program, owning systems from concept through flight-qualified hardware — including architecture, PCB design, harnessing, embedded systems, and environmental qualification — while collaborating with propulsion, GNC, thermal, and software teams.

Manufacturing Test Engineer II, Vehicle Integration
Manufacturing Test Engineer II on Relativity Space's Stage Manufacturing team, owning Terran R rocket hardware from design release through build, test, and delivery. Day-to-day includes authoring build flows and test procedures, supporting first article builds, and hands-on floor support resolving issues in real time.

Business Systems Analyst
Business Systems Analyst at Relativity Space supporting and enhancing enterprise applications (ERP/MES) in a rocket manufacturing environment. Day-to-day work involves troubleshooting system issues, gathering stakeholder requirements, configuring and testing enhancements, and supporting UAT and training.

Senior Technical Product Manager
Relativity Space is hiring a Sr Technical Product Manager in Long Beach, CA to own end-to-end enterprise workflows (MRP, procure-to-pay, material conveyance, factory automation, change management) that power its automated rocket factory. The role blends process design, systems engineering, and software integration using Python, SQL, and MRP/ERP systems.

Senior Mechanical Integration Engineer
Owns mechanical/structural design, packaging, analysis, testing, and validation of secondary structure (trays, brackets, dynamic isolation, thermal management) for the Terran R rocket's avionics system. Day to day involves 3D CAD design, finite element structural/thermal analysis, and cross-functional integration with propulsion, structures, and vehicle teams.

Integration & Test Engineer II
Integration & Test Engineer II at Relativity Space (Long Beach, CA) takes partial ownership of the Thrust Structure Integrated Assembly for the Terran R rocket, integrating propulsion, avionics, fluids, and structural hardware into flight-ready stages. Day to day: design reviews, work instruction and test procedure authoring, test conducting, and hands-on build-floor problem solving.

Technical Product Manager, Manufacturing & Supply Chain
Technical Product Manager at rocket maker Relativity Space who owns end-to-end factory and supply chain systems — MRP, procure-to-pay, material conveyance, factory automation, and change management — designing scalable process infrastructure and integrating enterprise software. Blends systems engineering, process design, and coding (Python, SQL, etc.).

Launch Integration Engineer II
Relativity Space is hiring a Launch Integration Engineer II in Cape Canaveral to author vehicle processing, build flows, and test procedures for the Terran R rocket, with hands-on floor support during build and test. The role leans on CAD, root cause analysis, and coordination across design, supply chain, production, and test teams.
Founding Engineer
Engineer #1 at Kanurra, an early-stage healthcare startup building an open platform where pharmacy claims are priced, paid, and audited, working onsite in New York alongside the founder. Day-to-day work centers on exactly-once claim payments, a versioned public API, Postgres data isolation, and explainable retroactive drug pricing, using Python, TypeScript, Postgres, and GCP.
Field Test Engineer, Maritime
Field Test Engineer for autonomous underwater vehicles (AUVs), running sea trials, troubleshooting hardware/software, and documenting operations in Rhode Island.
Technical Recruiter, Hardware
Recruit hardware engineers and technical staff for a defense-tech startup building AI-powered military systems and autonomous platforms.
Senior Supply Chain Manufacutring Engineer, Propulsion Engines
Senior engineer driving propulsion-engine supply chain: qualify suppliers, industrialize new production lines, and optimize cost/quality for defense tech hardware.
Senior Supply Chain Value Stream Engineer
Engineer supply chains for defense tech hardware, selecting suppliers, optimizing costs, and mapping value streams to accelerate production of AI-powered military systems.

Director, Software Engineering
First Director of Engineering at a YC-backed biotech startup using whole-genome sequencing and ML models to improve dairy cattle breeding. Leads engineering managers and staff/principal architects, scaling the org toward ~30 while running delivery of the farm decision engine in an AI-native, spec-first, agentic way. Remote (US).