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Senior Security Engineer, Corporate Security

Turnkey · Remote · Remote

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About Turnkey

Turnkey is private key management made simple. Create wallets, sign transactions, and automate onchain actions — all with one elegant API. Backed by Sequoia.

About the role

Design, implement, and manage security for endpoints and distributed systems; deploy and operate our security stack (MDM, EDR/XDR, ZTNA, SSO); enforce zero-trust principles, least-privilege access, and hardening standards Lead initiatives around endpoint hardening, access controls, and vendor risk; conduct security design reviews, risk assessments, and vulnerability remediation; develop and enforce security policies and best practices.

What they're looking for

  • 5+ years of experience in corporate and/or enterprise security, IT security, or endpoint security engineering
  • MDM Platforms (JAMF, Kandji, Intune, or similar)
  • EDR/XDR solutions (Cloudstrike, SentinelOne, Microsoft Defender, etc.)
  • Identity and Access Management (Okta, Azure AD/Entra ID, etc.)
  • Authentication Protocols (SAML, OAuth, OIDC, SCIM, etc.)
  • Zero-trust principles (device trust, conditional access, least-privilege models)
More about this role

Turnkey builds secure, developer-first infrastructure for private key management, making it simple to create wallets, sign transactions, and automate on-chain actions through one elegant API – without ever exposing sensitive key material.

Our mission is to secure the open internet by making strong cryptography and key management the default. Turnkey was founded by the team behind Coinbase Custody – the world’s largest and most secure crypto custodian – whose work has helped protect over $100B in crypto across the industry.

Turnkey's team is low-ego, high-agency, and high-autonomy with more than 100 years of combined experience in cryptography, security, and low-level systems, building reliable infrastructure used at scale.

Role Overview

We are hiring a Senior Corporate Security Engineer to own and scale the security of Turnkey's corporate infrastructure. This is a foundational role - you'll be the first dedicated corporate security hire, working diectly with the security lead to build enterprise security capabilities from the ground up.

In this role, you’ll protect Turnkey’s people, endpoints, SaaS, identity systems, and internal

infrastructure, securing our distributed workforce...

Read the full posting on Turnkey's site ↗

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