Senior Enterprise Security Engineer: Zero-Trust & MFA

CoreWeave; York and North Yorkshire; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

CoreWeave is seeking a Senior Security Engineer, Enterprise Security, to design and ship security controls underpinning our workforce and enterprise stack in a fast-growing cloud environment.

You will lead identity, access management, device and SaaS security initiatives, blend hands-on engineering with architecture, and translate objectives like zero trust and phishing-resistant MFA into concrete designs, automation, and measurable risk reduction.

Qualifications

• 5+ years in enterprise security, identity and access management, or related security engineering roles.
• Hands-on experience implementing SSO and workforce identity with IdPs (Okta/Entra).
• Experience securing and integrating major SaaS (Google Workspace, Microsoft 365, Slack) including SCIM provisioning and audit logs.

Responsibilities

• Design and ship security controls for workforce identity, devices, and SaaS security.
• Lead initiatives across IAM, device security, and SaaS, partnering with IT and security teams.
• Turn high-level objectives (zero trust, phishing-resistant MFA) into concrete designs, automation, and risk reduction measures.

Skills

Zero trust concepts

IAM concepts

SaaS security

Security architecture

Tools

Okta/Entra

SAML/OIDC

SCIM

MDM/EDR tooling

Job description

CoreWeave is seeking a Senior Security Engineer, Enterprise Security, to design and ship security controls underpinning our workforce and enterprise stack in a fast-growing cloud environment.

You will lead identity, access management, device and SaaS security initiatives, blend hands-on engineering with architecture, and translate objectives like zero trust and phishing-resistant MFA into concrete designs, automation, and measurable risk reduction.