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Senior Software Engineer, Agentic Infrastructure

Relativity Space - Long Beach, CA, United States - In-office - posted 2026-08-12

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Relativity Space is building rockets (Terran R vehicle) to deliver payloads to orbit. Dark Matter Lab is an advanced research group within Relativity focused on agentic engineering and aerospace systems. This role owns and evolves a sophisticated stack of interconnected agentic systems including SybilClaw, yapCAD, Mechatron, Multigraph, local LLM inference, inter-agent message bus, parametric CAD pipelines, and print farm infrastructure. You will be responsible for the reliability and evolution of agentic infrastructure as it transitions from prototype to production engineering systems. The ideal candidate has deployed agentic harnesses (OpenClaw, Hermes, SybilClaw, or equivalent) in real work environments and understands what makes these systems reliable when engineers depend on them daily. Key responsibilities include: owning reliability of agents, sessions, model routing, context pipelines, and inter-agent communication; building infrastructure where off-the-shelf solutions don't yet exist; deploying and operating local LLM inference across Mac Studio and GPU hardware; managing Linux/macOS systems, Proxmox VMs, containers, storage, backups, and recovery; maintaining multi-site networking including L3 routing, VLANs, DNS, firewalls, and connectivity; building CLIs, dashboards, automation, and internal tools; improving observability and automated failure recovery; and contributing upstream to open-source projects. This is an opportunity to work on cutting-edge agentic systems in aerospace at a company where autonomy, ownership, and impact exist at every level. You'll collaborate across teams, shape decisions, and see your work directly impact rocket development and manufacturing.

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