Senior IAM & Systems Admin - Onsite Austin

Core Scientific; Austin (TX); On-site; USD 110,000 - 150,000; Full time

Job summary

Core Scientific, a leading compute infrastructure provider, seeks a hands-on Systems Administrator to own the IAM program and support enterprise infrastructure initiatives. You will manage authentication, authorization, access governance, and identity lifecycle, ensuring secure access across systems.

Ideal candidates will design and automate identity solutions, troubleshoot complex issues, and collaborate cross-functionally to enhance security and reliability.

Qualifications

• 5+ years of hands-on systems administration experience in a professional environment.
• Deep Identity and Access Management experience: SSO, MFA, directory services, RBAC, and user lifecycle management.
• Experience with SAML, OIDC, and SCIM integrations.
• Scripting ability (PowerShell, Bash, Python) to automate routine tasks.
• Ability to work on-site in downtown Austin, TX.

Responsibilities

• Administer and optimize the IAM stack including SSO, MFA, provisioning/deprovisioning, and access governance.
• Own the Okta environment end to end: integrations, workflows, policy configuration, and lifecycle management.
• Design and maintain automated joiner/mover/leaver processes for accurate access control; ensure auditable records.
• Manage and support endpoint fleets (macOS and Windows) including patching and security baselines.
• Support day-to-day IT operations: SaaS administration, troubleshooting, hardware provisioning, user support.
• Collaborate with Security and Compliance on access reviews and least-privilege initiatives.
• Document systems, processes, and runbooks; avoid single points of failure for knowledge.
• Evaluate and implement tools/integrations to improve reliability and security.
• Foster clear communication within team and with stakeholders.

Skills

Identity & access

Endpoints management

SaaS administration

Networking basics

Scripting & automation

Troubleshooting

Communication skills

Tools

Okta

Okta Workflows

Jamf Pro

Microsoft 365

Entra ID

Intune

Job description

Core Scientific, a leading compute infrastructure provider, seeks a hands-on Systems Administrator to own the IAM program and support enterprise infrastructure initiatives. You will manage authentication, authorization, access governance, and identity lifecycle, ensuring secure access across systems.

Ideal candidates will design and automate identity solutions, troubleshoot complex issues, and collaborate cross-functionally to enhance security and reliability.