Senior AppSec Engineer: Emerging Architectures & AI

Datadog, Inc.; Paris; Hybride; EUR 120 000 - 160 000; Plein temps

Avantages offerts par ce poste

RSUs

ESPP

Professional development

Mentor program

Inclusion talks

Résumé du poste

Datadog, Inc. is seeking a Senior Security Engineer within Application Security to secure evolving architectures such as agentic systems and LLM-enabled products.

You will define security models, implement controls, and partner with product and platform teams to bake secure-by-default practices into design and production. You will lead threat modeling and security assessments for new and existing products, focusing on evolving threats and unfamiliar trust boundaries, while driving remediation as

Qualifications

• 5+ years of software engineering or development experience in a collaborative environment.
• Experience in security and/or infrastructure/platform engineering with distributed systems.
• Designed or implemented security controls for authentication, authorization, API security, or zero-trust networking.
• Understanding of vulnerabilities related to LLMs and agent-based architectures.

Responsabilités

• Define security models, requirements, and guardrails for emerging application architectures.
• Design, implement, and validate practical security controls to reduce risk.
• Shape how systems authenticate, authorize, isolate workloads, and access data with least-privilege.
• Partner with product, platform, and infra/security teams to embed secure-by-default requirements.
• Lead threat modeling and security assessments for new and existing products.
• Prioritize remediation of emerging risks and drive continuous security testing.

Connaissances

Security engineering

Go

Rust

Python

Authentication

Authorization

API security

Zero-trust

Sandboxing

Runtime hardening

Threat modeling

LLM security

Outils

MCP

A2A

Description du poste

Datadog, Inc. is seeking a Senior Security Engineer within Application Security to secure evolving architectures such as agentic systems and LLM-enabled products.

You will define security models, implement controls, and partner with product and platform teams to bake secure-by-default practices into design and production. You will lead threat modeling and security assessments for new and existing products, focusing on evolving threats and unfamiliar trust boundaries, while driving remediation as