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Agent Security Engineer

Belmont Lavan

Amsterdam
Full-time
5-10 years experience
On-site

Key Skills

Security Engineering
Application Security
Cloud Security
Identity and Access Management
Offensive Security
LLM Security
Agent Security
Prompt Injection
Jailbreak Testing
OAuth 2.0
OpenID Connect
Python
Go
TypeScript
Rust
Policy-as-Code

Job Description

Belmont Lavan is hiring an Agent Security Engineer to secure autonomous AI agents before and after they reach production. Agents now call tools, hold credentials and act on live systems, so they need the controls we already expect for people and services: identity, least-privilege access, monitoring and testing. You will sit between AI engineering and security. You will design the guardrails, attack the systems yourself, and build the governance controls that let the business deploy agents with confidence. Requirements 5+ years in security engineering (AppSec, cloud security, IAM or offensive security), with at least 1 year securing LLM or agent-based systems Hands-on knowledge of LLM attack techniques: prompt injection, jailbreaks, data exfiltration via tools, RAG poisoning Experience designing identity and access controls: OAuth 2.0 / OIDC, token exchange, workload identity, secrets management Working knowledge of agent frameworks and protocols such as LangGraph, OpenAI Agents SDK, CrewAI or Model Context Protocol (MCP) Strong coding skills in Python, plus one of Go, TypeScript or Rust Cloud security on AWS, Azure or GCP, including logging, detection and policy-as-code (e.g. OPA / Cedar) Ability to explain AI risk clearly to engineers, risk teams and executives

Core Responsibilities

Design security guardrails and governance controls for autonomous AI agents before and after production deployment. Test agent systems for attacks and help the business deploy them securely and confidently.

Requirements

Requires at least five years of security engineering experience, including at least one year securing LLM or agent-based systems, plus hands-on knowledge of LLM attacks and identity and access controls. Candidates should have Python and another listed programming language, cloud security experience, familiarity with agent frameworks or protocols, and the ability to communicate AI risks to technical and business audiences.

About Belmont Lavan

Industry: IT System Custom Software Development

Company size: 2-10 employees

We are a bespoke consultancy specialising in System Integration and Solution-building services for businesses looking to establish or scale their capabilities in EAM, ERP, CRM, AI, and IoT. Our mission is to help organisations to streamline their operations, build successful technology practices, and navigate complex compliance landscapes. Do you have the systems in place to effectively grow and manage your key practice areas? Are you leveraging the latest digital tools and strategies to drive business growth? If the answer to these questions is no, or you’ve never considered them, you’re likely missing out on opportunities to strengthen your business operations and achieve your goals. BENEFITS for Our Clients: - Access to top expertise: Our proven methods give you direct access to the best strategies for building and optimising EAM, ERP, CRM, AI, and IoT solutions across Europe. - Save Time: By limiting our client engagements and capping our annual workload, we ensure your project receives focused attention, delivering impactful results quickly. - Accelerate your projects: With numerous examples of solution-building implemented within weeks of our initial strategy call, we’ve helped clients accelerate project timelines, protect revenue, and enhance their competitive edge. - Reduce costs: Our end-to-end consultancy services align your solution-building efforts with industry best practices, driving higher efficiency and reducing operational costs. Why Work With Us: With our industry-leading expertise, you’ll receive clear, actionable guidance to build and optimise your technology. We provide ongoing support to ensure your business stays agile and competitive. Whether you’re looking to launch a new software or optimise an existing one, we provide the expertise and insights to help you succeed. Our continuous support means you stay informed of industry trends and can make agile, informed decisions.

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