Security Engineer for MCP & Agentic AI

OneSeven Tech (OST); Argentina; On-site; ARS 63,791,477 - 87,713,281; Full time

Benefits offered by this job

Paid PTO after 3-month trial

Referral Program

Job summary

OneSeven Tech (OST) is seeking an experienced security engineer to own the security posture of a new Model Context Protocol (MCP) infrastructure. This role involves directly collaborating with client teams to ensure the security of agentic AI systems while focusing on JWT authentication, secrets management, and prompt injection mitigation.

The position offers a competitive salary of $4000 - $5500/month, fully remote work from anywhere in Latin America, and a long-term contract. If you're looking to secure cutting-edge AI technology, this could be your next big opportunity.

Qualifications

• Hands-on experience identifying vulnerabilities and implementing fixes.
• Experience managing secrets in cloud environments.
• Near-native English for daily communication with a US client.

Responsibilities

• Own and secure the MCP infrastructure.
• Identify and remediate prompt injection risks.
• Review and harden AWS infrastructure configurations.
• Document security controls and remediation history.

Skills

Application security engineering experience

JWT token validation

OAuth 2.0 design

Secrets management

Prompt injection mitigation

Technical communication

Tools

AWS Secrets Manager

SAST/DAST tooling

Job description

OneSeven Tech (OST) is seeking an experienced security engineer to own the security posture of a new Model Context Protocol (MCP) infrastructure. This role involves directly collaborating with client teams to ensure the security of agentic AI systems while focusing on JWT authentication, secrets management, and prompt injection mitigation.

The position offers a competitive salary of $4000 - $5500/month, fully remote work from anywhere in Latin America, and a long-term contract. If you're looking to secure cutting-edge AI technology, this could be your next big opportunity.