Senior Security Engineer, Corporate Security

The role

You will own and scale the security of Turnkey's corporate infrastructure. You will protect people, endpoints, SaaS, identity systems, and internal infrastructure.

What you will do

• Design, implement, and manage security for endpoints and distributed systems
• Deploy and operate security stack including MDM, EDR/XDR, ZTNA, and 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
• Respond to security incidents
• Collaborate on detection rules, alerts, and monitoring
• Automate workflows and create runbooks and playbooks
• Evangelize security best practices and build awareness programs

Required qualifications

• 5+ years of experience in corporate and/or enterprise security, IT security, or endpoint security engineering
• Hands-on experience with MDM Platforms (JAMF, Kandji, Intune, or similar)
• Hands-on experience with EDR/XDR solutions (Cloudstrike, SentinelOne, Microsoft Defender, etc.)
• Hands-on experience with Identity and Access Management (Okta, Azure AD/Entra ID, etc.)
• Hands-on experience with Authentication Protocols (SAML, OAuth, OIDC, SCIM, etc.)
• Hands-on experience with Zero-trust principles (device trust, conditional access, least-privilege models)
• Cloud security experience (AWS, GCP)
• macOS security expertise (architecture, hardening, and fleet management)
• Security-first mindset with practical knowledge of defense-in-depth and risk-based security

Nice to have

• Crypto/web3 or FinTech experience
• Detection/response experience: SIEM, log analysis, threat hunting, or SOC operations
• Knowledge of modern threat landscape: Adversary TTPs, phishing, insider threats, etc.
• Security compliance experience: SOC 2, ISO 27001, or similar frameworks

Benefits

• Medical, dental, vision, life, disability, HSA/FSA, 401(k)
• Paid parental leave
• Unlimited PTO
• $3,000/yr learning and development budget to attend industry conferences
• Multiple team offsites per year
• Macbook Pro laptop
• Lunch stipend (for those physically in the New York City office)

About the company

Turnkey builds secure, developer-first infrastructure for private key management. The team was founded by the team behind Coinbase Custody.