Senior Security Engineer, Corporate Security
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Job Description
Senior Corporate Security Engineer securing Turnkey's corporate infrastructure. Responsible for building enterprise security capabilities from the ground up.
Responsibilities:
- Build & Secure Corporate Infrastructure
- 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
- Drive Security Initiatives & Risk Reduction
- 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.
- Detection, Response & Automation
- Respond to security incidents with urgency and technical depth; collaborate on detection rules, alerts, and monitoring; automate workflows and create runbooks and playbooks to scale security operations efficiently.
- Foster Security Culture & Education
- Evangelize security best practices, build awareness programs, and partner with teams to embed “secure by default” principles into workflows; serve as a trusted security advisor across the organization.
Requirements:
- 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)
- 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)
- 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
Benefits:
- Full benefits, including medical, dental, vision, life, disability, HSA/FSA, 401(k) - detailed benefits overview available as we get further in the process
- Paid parental leave
- Unlimited PTO (and we will force you to take time off!)
- $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)
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