Senior Software Engineer - Agentic Infra & Reliability

Relativity Space, Inc.; Long Beach, Northern (CA, KY); Hybrid; USD 154,000 - 230,000; Full time

Benefits offered by this job

Generous PTO

Sick leave policy

Parental leave

Learning & development stipend

Job summary

Relativity Space in Long Beach is seeking a Senior Software Engineer to own the agentic infrastructure stack, including agents, sessions, model routing, and context pipelines. You will move systems from prototypes to production engineering, ensuring reliability and scalability in a hands-on, multi-disciplinary team.

The role requires deploying agentic harnesses in real work environments, building CLIs and dashboards, and improving observability, with collaboration across propulsion,

Qualifications

• 5+ years of experience building and operating complex software and compute infrastructure.
• Experience deploying an agentic harness such as OpenClaw, Hermes, SybilClaw, or a comparable system in a real work environment.
• Strong Linux and macOS systems experience, including debugging services, processes, storage, permissions, and networking.
• Experience operating physical infrastructure, VMs, or containers in production.
• Strong networking fundamentals including routing, VLANs, DNS, and firewalls.
• Ability to build software, scripts, CLIs, and integrations when existing tools aren't sufficient.
• Meaningful experience contributing to or maintaining open-source software.

Responsibilities

• Own the reliability of our agentic infrastructure: agents, sessions, model routing, context pipelines, inter-agent communication, and supporting services.
• Build and maintain infrastructure where good off-the-shelf solutions don't yet exist.
• Deploy and operate local LLM inference across Mac Studio and GPU hardware.
• Manage Linux/macOS systems, Proxmox VMs and containers, storage, backups, and recovery.
• Maintain multi-site networking including L3 routing, VLANs, DNS, firewalls, and connectivity.
• Build CLIs, dashboards, automation, and internal tools that make engineers faster.
• Improve observability, debugging, and automated failure recovery.
• Contribute upstream to open-source projects we rely on.
• Help design practical security around local compute, data handling, and access controls.
• Package and deploy portions of the stack into internal and customer environments.
• Work directly with engineers to understand what they need and turn recurring problems into better infrastructure.

Skills

Agentic systems

Linux systems

macOS systems

Networking

SRE / reliability

Open-source contributions

Tools

Proxmox

Scripting / Automation

Job description

Relativity Space in Long Beach is seeking a Senior Software Engineer to own the agentic infrastructure stack, including agents, sessions, model routing, and context pipelines. You will move systems from prototypes to production engineering, ensuring reliability and scalability in a hands-on, multi-disciplinary team.

The role requires deploying agentic harnesses in real work environments, building CLIs and dashboards, and improving observability, with collaboration across propulsion,