Drimva

Mysten Labs

Senior Security Engineer

$165K–$225K

USA (Remote) · Remote · Senior · Full-time · Posted Oct 21, 2026

Experience
5+ years; security engineering, detection and response, or infrastructure/SRE with a security focus.
Education
Bachelor's degree in Computer Science, Computer Engineering, a relevant technical field, or equivalent practical experience.

About the job

Build and operate security infrastructure, detection and response capabilities, endpoint defenses, and AI-agent-based security automation.

What you'll do

  • Operate the security observability and data platform, including telemetry pipelines, queries, and detections.
  • Lead threat hunting and incident response, and build production security services and endpoint protections.
  • Run an agent platform that uses LLMs to automate security triage, investigation, and response.

What they ask for

  • Bachelor's degree in a relevant technical field or equivalent practical experience.
  • 5+ years in security engineering, detection and response, or security-focused infrastructure/SRE, including hands-on endpoint and cloud incident response.
  • Experience with EDR, detections, TB-scale telemetry pipelines and SIEM or security data lakes; strong SQL.
  • Production engineering experience with Linux, containers, Kubernetes, a major public cloud, infrastructure as code, monitoring and alerting; proficiency in Python or Go and comfort with Rust or willingness to work in it.

Nice to have

  • Experience building zero-trust access, identity-aware proxies, or policy engines.
  • Experience building security tooling with LLM agents and understanding when deterministic tools are needed.

Pay

$165K – $225K (USD, base salary)

Tools

EDR, SIEM, SQL, Linux, Kubernetes, AWS/GCP, Python, Go

AI focus

Build and operate an agent platform using LLM agents to automate security triage, enrichment, investigation, and response, with deterministic checks where needed.

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 5, 2026 (UTC)