ML Ops Engineer — Agentic AI Lab (Founding Team)

fabrion· Engineering
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📍 San Francisco Bay AreaFullTime

About this role

ML Ops Engineer — Agentic AI Lab (Founding Team)

Location: San Francisco Bay Area

Type: Full-Time

Compensation: Competitive salary + meaningful equity (founding tier)

Backed by 8VC, we're building a world-class team to tackle one of the industry’s most critical infrastructure problems.

About the Role

Our AI Lab is pioneering the future of intelligent infrastructure through open-source LLMs, agent-native pipelines, retrieval-augmented generation (RAG), and knowledge-graph-grounded models.

We’re hiring an ML Ops Engineer to be the glue between ML research and production systems — responsible for automating the model training, deployment, versioning, and observability pipelines that power our agents and AI data fabric.

You’ll work across compute orchestration, GPU infrastructure, fine-tuned model lifecycle management, model governance, and security e

Responsibilities

  • Build and maintain secure, scalable, and automated pipelines for:

  • LLM fine-tuning, SFT, LoRA, RLHF, DPO training

  • RAG embedding pipelines with dynamic updates

  • Model conversion, quantization, and inference rollout

  • Manage hybrid compute infrastructure (cloud, on-prem, GPU clusters) for training and

    inference workloads using Kubernetes, Ray, and Terraform

  • Containerize models and agents using Docker, with reproducible builds and CI/CD via

    GitHub Actions or ArgoCD

  • Implement and enforce model governance: versioning, metadata, lineage, reproducibility,

    and evaluation capture

  • Create and manage evaluation and benchmarking frameworks (e.g. OpenLLM-Evals,

    RAGAS, LangSmith)

  • Integrate with security and access control layers (OPA, ABAC, Keycloak) to enforce

    model policies per tenant

  • Instrument observability for model latency, token usage, performance metrics, error

    tracing, and drift detection

  • Support deployment of agentic apps with LangGraph, LangChain, and custom inference

    backends (e.g. vLLM, TGI, Triton)

Desired Experience

Model Infrastructure:

  • 4+ years in MLOps, ML platform engineering, or infra-focused ML roles

  • Deep familiarity with model lifecycle management tools: MLflow, Weights & Biases, DVC,

  • HuggingFace Hub

  • Experience with large model deployments (open-source LLMs preferred): LLaMA,

  • Mistral, Falcon, Mixtral

  • Comfortable with tuning libraries (HuggingFace Trainer, DeepSpeed, FSDP, QLoRA)

  • Familiarity with inference serving: vLLM, TGI, Ray Serve, Triton Inference Server

Automation + Infra:

  • Proficient with Terraform, Helm, K8s, and container orchestration

  • Experience with CI/CD for ML (e.g. GitHub Actions + model checkpoints)

  • Managed hybrid workloads across GPU cloud (Lambda, Modal, HuggingFace Inference,

  • Sagemaker)

  • Familiar with cost optimization (spot instance scaling, batch prioritization, model sharding)

Agent + Data Pipeline Support:

Familiarity with LangChain, LangGraph, LlamaIndex or similar RAG/agent orchestration tools

Built embedding pipelines for multi-source documents (PDF, JSON, CSV, HTML)

Integrated with vector databases (Weaviate, Qdrant, FAISS, Chroma)

Security & Governance:

Implemented model-level RBAC, usage tracking, audit trails

Integrated with API rate limits, tenant billing, and SLA observability

Experience with policy-as-code systems (OPA, Rego) and access layers

Preferred Stack

  • LLM Ops: HuggingFace, DeepSpeed, MLflow, Weights & Biases, DVC

  • Infra: Kubernetes (GKE/EKS), Ray, Terraform, Helm, GitHub Actions, ArgoCD

  • Serving: vLLM, TGI, Triton, Ray Serve

  • Pipelines: Prefect, Airflow, Dagster

  • Monitoring: Prometheus, Grafana, OpenTelemetry, LangSmith

  • Security: OPA (Rego), Keycloak, Vault

  • Languages: Python (primary), Bash, optionally Rust or Go for tooling

Mindset & Culture Fit

  • Builder's mindset with startup autonomy: you automate what slows you down

  • Obsessive about reproducibility, observability, and traceability

  • Comfortable with a hybrid team of AI researchers, DevOps, and backend engineers

  • Interested in aligning ML systems to product delivery, not just papers

  • Bonus: experience with SOC2, HIPAA, or GovCloud-grade model operations

What We’re Looking For

Experience:

  • 5+ years as a full stack or backend engineer

  • Experience owning and delivering production systems end-to-end

  • Prior experience with modern frontend frameworks (React, Next.js)

  • Familiarity with building APIs, databases, cloud infrastructure, or deployment workflows at scale

  • Comfortable working in early-stage startups or autonomous roles, prior experience as a founder, founding engineer, or a 0-1 pre-seed startup is a big plus

Mindset:

  • Comfortable with ambiguity, eager to prototype and iterate quickly

  • Strong sense of ownership — prefers to build systems rather than wait for tickets

  • Enjoys thinking about architecture, performance, and tradeoffs at every level

  • Clear communicator and pragmatic team player

  • Values equity and impact over prestige or hierarchy

  • Prior startup or founding team experience

Why This Role Matters

Your work will enable models and agents to be trained, evaluated, deployed, and governed at

scale — across many tenants, models, and tasks. This is the backbone of a secure, reliable,

and scalable AI-native enterprise system. If you dream about using AI to solve some really hard

real world problems – we would love to hear from you.

Frequently Asked Questions

Is the salary disclosed for the ML Ops Engineer — Agentic AI Lab (Founding Team) position at fabrion?
The salary for this ML Ops Engineer — Agentic AI Lab (Founding Team) role at fabrion is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the ML Ops Engineer — Agentic AI Lab (Founding Team) position at fabrion located?
This ML Ops Engineer — Agentic AI Lab (Founding Team) role at fabrion is based in San Francisco Bay Area. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the ML Ops Engineer — Agentic AI Lab (Founding Team) role at fabrion full-time or part-time?
This is listed as a FullTime position. It is posted as a ML Ops Engineer — Agentic AI Lab (Founding Team) role in the Engineering department at fabrion.
Which team or department does the ML Ops Engineer — Agentic AI Lab (Founding Team) at fabrion belong to?
This ML Ops Engineer — Agentic AI Lab (Founding Team) position is part of the Engineering department at fabrion. See the full job description for more information about the team structure and responsibilities.
How do I apply for the ML Ops Engineer — Agentic AI Lab (Founding Team) position at fabrion?
Click the "Apply Now" button on this page. You will be redirected to fabrion's official application portal hosted on ashby where you can submit your application directly.
When was the ML Ops Engineer — Agentic AI Lab (Founding Team) job at fabrion posted?
This ML Ops Engineer — Agentic AI Lab (Founding Team) position at fabrion was posted on Aug 11, 2025. Apply as soon as possible — early applications are often reviewed first.
ML Ops Engineer — Agentic AI Lab (Founding Team)
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