# Staff AI Engineer at Cobalt

- Company: Cobalt
- What the company does: Offensive security services from human-led to autonomous pentesting. Identify exposures, get ahead of threats, and maintain compliance—fast and precise. Backed by 500 Global and Alchemist.
- Company website: https://www.cobalt.io
- Type: Startups (AI role)
- Level: Senior
- Location: Remote
- Work setup: Remote
- Pay: $275K to $300K base salary per year (USD)
- Posted: 2026-10-26
- Apply by: 2026-12-10
- Apply: https://job-boards.greenhouse.io/cobaltio/jobs/8912545002?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/cobalt-staff-ai-engineer/

## About the role

Cobalt runs AI agents in production that test real customer applications. We’re looking for a Staff AI Engineer who has built and operated production agent systems and can help us make them more reliable, secure and cost-efficient. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Significant software engineering experience, typically 8–10+ years, with a track record of technical leadership across teams
- Hands-on experience building and operating LLM-based agents in production, with a clear understanding of their scale, constraints and business outcomes
- A track record of improving agent reliability: building evaluations, investigating non-deterministic failures and improving success rates against measurable goals
- Strong knowledge of agent architectures, including tool use, orchestration, planning, context and memory management, and the judgment to know when simpler workflows are sufficient
- Experience running LLM workloads through managed cloud model platforms or direct provider APIs, including rate limits, failure handling and cost tracking
- Strong backend and distributed systems fundamentals, including APIs, asynchronous workflows, concurrency and fault tolerance

Tags: Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/cobalt-staff-ai-engineer/