5c

60 jobs near Columbus, OH

Job Summary : 5C is a company specializing in hyperscale and AI data center and cloud computing. They are seeking a Data Center Technician responsible for the installation, maintenance, and ...

RN - CMH Cardiac 5C

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5C Days

Evansville, IN ยท On-site

$45.65 - $53.95/hr

Type: Progressive Care Unit Evansville , IN SkyBridge Healthcare is currently seeking Registered Nurse with Progressive Care Unit experience for a 13-week contract in IN. SkyBridge Healthcare is a ...

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Senior Developer Infrastructure Platform

5C

Springfield, OH โ€ข On-site

Full-time

This job post hasย expired today.ย Applications are no longer accepted.


Job description

Job Summary:
5C is building a platform that other engineers build on top of. The Senior Developer Infrastructure Platform will design and ship production services, internal SDKs, and Kubernetes operators while ensuring API contracts and backward compatibility are maintained.
Responsibilities:
โ€ข You'll design and ship production services, internal SDKs, and Kubernetes operators that abstract away the complexity of our hybrid infrastructure; spanning CloudStack, bare-metal GPU clusters.
โ€ข You write code that other teams depend on, which means you care deeply about API contracts, backward compatibility, and not breaking things quietly.
โ€ข You'll be expected to own services end-to-end; design, implementation, testing, and the occasional 3am page when something in the critical path breaks.
Qualifications:
Required:
โ€ข Java; not just familiarity. You understand concurrency, JVM internals, and have worked in large codebases with real engineering process.
โ€ข Go; production services, not just tooling scripts. You've written Go that other engineers depend on.
โ€ข Python; clean, testable, packaged. Not ad-hoc scripts.
โ€ข Kubernetes; deep. You've written an operator or custom controller from scratch, not just applied Helm charts.
โ€ข OpenStack or CloudStack; you can explain how a compute scheduler works, not just 'we used it'.
โ€ข gRPC / protobuf; service design, streaming, schema evolution.
โ€ข API design discipline; versioning, backward compatibility, contracts. You've had to think about what happens when you break something downstream.
โ€ข Hardware awareness; you've debugged at the hypervisor, driver, or bare-metal level at least once.
Preferred:
โ€ข GPU compute; CUDA, MIG, vGPU, device plugins, PCIe passthrough, SR-IOV.
โ€ข Agentic AI / ML (practitioner level); LLM API integration, agent frameworks (LangChain / LlamaIndex), RAG pipeline design, vector DBs, MLOps fundamentals. You've shipped a system where a model is in the critical path and debugged it when it misbehaved.
โ€ข Inference basics; vLLM, Triton, or similar. Enough to understand what the platform needs to support.
โ€ข Open Source development experience, on a large project
Company:
5C is a data center that provides AI digital infrastructure, HPC systems, and scalable compute solutions for enterprises. Founded in 2025, the company is headquartered in Saint Laurent, CAN, with a team of 51-200 employees. The company is currently Growth Stage.