Cogent Security
Software Engineer - Infrastructure (Senior+)
$100K–$300K
San Francisco, CA +1 · Hybrid · Senior · Full-time · Posted Sep 14, 2026
- Location
- San Francisco, CA
New York, NY - Experience
- 5–7 years of software engineering experience; startup or early-stage background (up to ~200 people), ideally blended with large-company experience.
About the job
Build and operate Cogent’s infrastructure, data platform, security systems, and agent-focused platform, including making the product deployable on-premises.
What you'll do
- Optimize the data platform, especially storage across Clickhouse and Postgres.
- Enable on-premises deployment for large customers and harden security systems.
- Build agent-first infrastructure and lead large-scale projects across stakeholders.
What they ask for
- Hands-on AWS experience.
- Experience with Clickhouse Cloud at the serving layer.
- Deep expertise in core infrastructure, strong hands-on coding, and real depth in Spark and micro-batching.
- Track record driving large-scale projects across stakeholders; experience building in an AI-forward capacity with agentic coding fundamentals.
Nice to have
- Prior startup founder experience.
- API gateway auth experience with Envoy or Istio; SRE strength; or familiarity with Hashicorp Vault, MicroVM (Runloop), and SPIFFE / SPIRE for agent identity.
Pay
USD $100,000 - $300,000 annually (base salary)
Tools
AWS, Clickhouse, Postgres, Spark, Envoy, Istio, Hashicorp Vault, SPIFFE / SPIRE
AI focus
Build an agent-first infrastructure and platform layer agents can rely on; experience building in an AI-forward capacity with agentic coding fundamentals is requested.
Model-written summary · the original posting is authoritative