Secure AI Harness Engineer

Armis; New York (NY); On-site; USD 197,000 - 230,000; Full time

Job summary

Armis in the United States is seeking an experienced Backend Engineer to build secure AI infrastructure and agent control planes. You will partner with AI researchers and backend engineers to move ideas into production while setting engineering standards.

This role focuses on building secure AI harnesses, observability, and developer tooling with Python and AWS, including SDKs and MCP, and designing microservices.

Qualifications

• 5+ years of backend software engineering experience.
• Experience building AI Harnesses is required.
• Experience with Harness & AI Security is required.
• Experience building backend services and microservice architectures.
• Experience working with AWS cloud services.
• Experience designing APIs and distributed systems.
• Hands-on experience building AI applications, AI agents, or agentic workflows.
• Experience working with Agent SDKs.
• Familiarity with Model Context Protocol (MCP).
• Experience building developer tools, APIs, or CLI applications.
• Strong understanding of software architecture and production engineering.
• Comfortable working in startup environments with significant ownership.
• Ability to independently drive projects from concept through production.

Responsibilities

• Design and build secure AI infrastructure for production AI agents.
• Develop Agent Control Plane capabilities that manage, monitor, and secure agent execution.
• Build embedded controls and security mechanisms directly into AI agents.
• Develop reusable services, APIs, and developer tooling that support AI applications.
• Build and maintain integrations with modern Agent SDKs and Model Context Protocol (MCP).
• Design backend microservices using Python and AWS.
• Build observability into AI systems, including telemetry, monitoring, tracing, and operational visibility.
• Develop public-facing developer tools and command-line interfaces (CLI).
• Partner closely with AI researchers to rapidly transition prototypes into production-ready systems.
• Own projects from architecture through deployment.
• Help define engineering standards and reusable patterns across the AI platform.
• Collaborate with stakeholders across the board in our Product, Sales, and Executive teams.

Skills

Backend engineering

AI Harnesses

AI Security

Backend services

AWS

APIs

AI applications

Agent SDKs

MCP

Developer tools

Software architecture

Startup ownership

Project ownership

Tools

Kubernetes

Job description

Armis in the United States is seeking an experienced Backend Engineer to build secure AI infrastructure and agent control planes. You will partner with AI researchers and backend engineers to move ideas into production while setting engineering standards.

This role focuses on building secure AI harnesses, observability, and developer tooling with Python and AWS, including SDKs and MCP, and designing microservices.