Full-Stack Security Engineer with OT & Equity

Multicoin; San Francisco (CA); On-site; USD 160,000 - 230,000; Full time

Benefits offered by this job

Medical, dental, vision, and life

401k

Relocation support

Flexible vacation

Equity

Job summary

Hadrian is seeking a Security Engineer to shape the security of our platform as we scale to serve external customers and partners. This full‑stack role covers application code, cloud, Kubernetes, identity management, and OT on the factory floor.

You will join as a founding member of a rapidly growing security team, establishing standards, tooling, and guardrails that scale from day one. If you enjoy ambiguity, learning new systems, and delivering secure by default, this is your chance to make a

Qualifications

• 4+ years in security engineering, software engineering, or infrastructure roles with hands-on ownership.
• Ability to write code and build guardrails, SDKs, CLIs, CI/CD checks to enable secure delivery.

Responsibilities

• Own security end-to-end across the stack (application, cloud, Kubernetes, identity, OT).
• Scale security through automation with guardrails and tooling.
• Map unfamiliar systems to identify risk and design appropriate controls.
• Turn compliance into engineering by aligning with ITAR/NIST 800-171 and related frameworks.
• Respond to incidents and implement systemic fixes to improve security posture.

Skills

Go

Python

Security engineering

Cloud security

Kubernetes security

Identity management

Tools

AWS

GCP

Kubernetes

Job description

Hadrian is seeking a Security Engineer to shape the security of our platform as we scale to serve external customers and partners. This full‑stack role covers application code, cloud, Kubernetes, identity management, and OT on the factory floor.

You will join as a founding member of a rapidly growing security team, establishing standards, tooling, and guardrails that scale from day one. If you enjoy ambiguity, learning new systems, and delivering secure by default, this is your chance to make a