Senior Infrastructure Software Engineer

About the role

We're hiring a Senior+ Infrastructure Engineer to help build a secure, reliable, cost‑effective, and agent‑forward foundation for running Cogent's products and services. You'll join a small, fast‑growing Core Platform pod and work hands‑on across our data platform, security systems, and the platform layer our agents use.

Key responsibilities

• Build and optimize our data platform, focusing on storage‑level optimizations across Clickhouse and Postgres.
• Make our product deployable on‑prem to unlock onboarding for large customers.
• Harden our security systems.
• Build an agent‑first infrastructure and platform layer for reliable product development.
• Drive large‑scale infrastructure projects end‑to‑end across a variety of stakeholders.

Required profile

• 5‑7 years of software engineering experience with deep core infrastructure expertise and strong hands‑on coding.
• Hands‑on AWS experience.
• Experience with Clickhouse Cloud at the serving layer.
• Real depth in Spark and micro‑batching.
• Track record of driving large‑scale projects across multiple stakeholders.
• Experience building in an AI‑forward capacity with agentic coding fundamentals.
• Startup or early‑stage background (up to ~200 people), ideally blended with large‑company experience.

Required skills

• AWS
• Clickhouse Cloud
• Clickhouse
• PostgreSQL
• Spark
• Envoy
• Istio
• Hashicorp Vault
• Runloop (MicroVM)
• SPIFFE
• SPIRE

What we offer

• Base salary range $100,000 – $300,000 annually.
• Potential variable compensation, equity, and comprehensive benefits.