Software Engineer, Identity

The role

You will own workforce and workload identity end-to-end across corporate, cloud, and factory systems. You will build an automation-first, least-privilege identity program to manage SSO, MFA, and the joiner-mover-leaver lifecycle.

What you will do

• Design, implement, and operate the IdP stack including SSO, SCIM provisioning, and phishing-resistant MFA.
• Build identity systems at scale using OAuth 2.0, OIDC, SAML, RBAC, and relationship-based access control.
• Own cloud identity including Azure service principals and AWS IAM.
• Work cross-functionally to automate the access lifecycle and reviews.
• Partner with Detection & Response and Compliance/FSO to ensure identity telemetry is detectable and audit-ready.

Required qualifications

• Strong software engineering fundamentals.
• Track record of shipping identity systems at scale.
• Command of OAuth 2.0 flows, OIDC, SAML, RBAC, and relationship-based access control (ReBAC).
• Hands-on depth with one or more IdPs (Okta, Entra, Google Workspace, Auth0, or Zitadel).
• Cloud identity depth with Azure service principals and AWS IAM.
• Ability to own the identity domain end-to-end with minimal direction.

Nice to have

• Fine-grained authorization at scale (ReBAC with OpenFGA / Zanzibar-style systems) built and run in production.
• Identity engineering for OT/manufacturing or other regulated, controlled environments.
• Large-scale passkey/FIDO2 or PAM (CyberArk/Teleport) rollouts.
• Secrets management with HashiCorp Vault.
• Experience building on a small, high-automation team.
• Detection-engineering and ITAR-aware access design.

Benefits

• Medical, dental, vision, and life insurance plans
• 401k
• Relocation support may be provided for certain situations
• Flexible vacation policy
• Equity

Before you apply

• To conform to U.S. Government export regulations, you must be a U.S. citizen or national, lawful permanent resident, protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the

About the company

Hadrian is building autonomous factories to reindustrialize America by combining AI, advanced software, robotics, and full-stack manufacturing. They help aerospace and defense companies build mission-critical systems.