Senior Security Engineer

You will build and operate security data platforms, endpoint defenses, and production security services. You will lead threat hunting and incident response, review cloud and infrastructure designs, run adversary-emulation exercises, automate operations with LLM agents, and document incident procedures and outcomes.

Responsibilities

• Build and operate the Security Observability and Data Platform
• Develop, test, review, and measure security detections
• Operate endpoint security, EDR, binary authorization, and hardening baselines
• Lead threat hunting, internal investigations, insider-threat work, and incident response
• Build and operate zero-trust authentication and authorization, blocking, proxy, asset-inventory, developer-portal, and compliance services
• Build and operate an agent platform using LLM agents for security operations
• Review infrastructure and cloud designs for security
• Run red-team and adversary-emulation exercises
• Write runbooks and post-mortems

Requirements

• 5+ years of security engineering, detection and response, or security-focused infrastructure or SRE experience
• Hands-on endpoint and cloud incident-response experience
• Experience operating EDR and writing and tuning detections
• Knowledge of macOS and Linux attacker techniques
• Experience with telemetry pipelines and SIEM or security data lakes at TB scale
• SQL expertise
• Production engineering experience with Linux, containers, Kubernetes, public cloud, infrastructure as code, monitoring, and alerting
• Proficiency in Python or Go
• Identity knowledge including OIDC, SAML, MFA, device trust, session theft, and token theft
• Written incident communication skills
• Interest in web3

Benefits

• Token and equity compensation
• Annual equity and token refresh grant eligibility
• Medical, dental, and vision insurance for employees and dependents
• HSA and FSA benefits
• 18 weeks of paid parental leave
• Wellbeing, family-planning, gender-affirming-care, fitness, nutrition, mental-health, counseling, and EAP programs
• Short- and long-term disability coverage
• Life and accident insurance
• Traveler insurance
• 401(k)
• Privacy protection service
• Wellness stipend
• Flexible paid time off
• 11 paid holidays per year
• Team offsites and annual company retreat