Staff Software Engineer, Secure Execution

Job summary

Responsibilities

As a Staff Software Engineer on the Security Engineering team, you will join as a founding team member and build the security foundations that let Harvey put increasingly capable AI agents to work.

• Set the technical direction for secure agent execution, working across Security, Infrastructure, and Product Engineering to turn emerging capabilities and risks into a concrete…
• Design, build, and operate a platform for security agents to discover and validate vulnerabilities within authorized targets and execution boundaries, producing reproducible…
• Build reusable controls for agent tool use, code execution, network and filesystem access, resource consumption, and workload lifecycle.
• Partner with the owners of Harvey's product sandbox and internal agent platform to make architectural decisions, implement protections, and integrate shared security capabilities…
• Enable internal use of open-source models alongside infrastructure teams, building protections around model serving, agent execution, and sensitive-data handling.

What they're looking for

• 10+ years developing and running production software, including technical leadership on initiatives spanning multiple engineering teams.
• Strong software engineering skills in languages such as Go, Rust, Python, or C++, with practical experience in Linux systems, networking, and containerized infrastructure.
• Deep expertise in one or more areas of execution security, such as sandboxing, operating-system isolation, container or virtual-machine security, or platforms that execute…
• Experience building shared platforms, services, or libraries and helping other teams adopt them through clear interfaces, documentation, and safe migrations.
• Experience with cloud infrastructure and distributed systems, including observability, failure handling, capacity management, and dependable production operation.

Tech stack

• Go
• Rust
• Python
• C++