Founding Security Engineer — AI-Driven Defense

CipherData; Bellevue (WA); On-site; USD 180,000 - 260,000; Full time

Job summary

CipherData in Bellevue, WA seeks a Lead Security Engineer to own the company’s security posture and the product’s detection brain. You will hire and lead the founding security team, define detection content, and oversee incident response across customer environments.

You will drive production SOC deployment, secure data ingestion, and manage compliance programs while collaborating with AI engineers to shape the security architecture for a startup-scale product.

Qualifications

• 8+ years in security engineering or incident response; leadership in SOC/detection roles.
• Hands-on experience with SIEM, EDR/XDR, and cloud telemetry with data modeling.
• Strong Python and engineering codebase experience; can review tests and CI.
• Experience leading customer-facing incident response and post-incident reviews.

Responsibilities

• Own security for product and company posture; lead and hire founding security team.
• Drive security lakehouse, detection content, and ground truth for evaluations.
• Lead customer incident response, remediation, and post-incident reviews.
• Own SOC deployment, production security, and compliance efforts (SOC 2, ISO 27001).

Tools

SIEM

EDR/XDR

Cloud telemetry

Job description

CipherData in Bellevue, WA seeks a Lead Security Engineer to own the company’s security posture and the product’s detection brain. You will hire and lead the founding security team, define detection content, and oversee incident response across customer environments.

You will drive production SOC deployment, secure data ingestion, and manage compliance programs while collaborating with AI engineers to shape the security architecture for a startup-scale product.