System Administrator - Identity

About the role

Core Scientific is a leading provider of infrastructure for high-performance compute in North America. Our mission is to accelerate digital innovation by scaling high-value compute rapidly, efficiently, and responsibly. We transform energy into high-value compute with unmatched efficiency at scale. Core Scientific is a publicly traded company (NASDAQ: CORZ). We power AI, HPC, and other next-generation data center workloads demanding exceptional computing power, in addition to our digital asset mining operations. Our footprint consists of 11 data center campuses across seven states, housing advanced infrastructure for our customers. What sets us apart? We have an entrepreneurial culture, a "can-do" and collaborative attitude, and we own and control our infrastructure. These strategic advantages enable us to maintain operational excellence, increase efficiency, and rapidly deploy cutting-edge innovations developed by our team of experts. Join us and accelerate your career alongside our groundbreaking journey. We seek smart, creative, and collaborative professionals who thrive in a fast-paced, result-driven environment.

Reports to: Director, IT. Location: On‑site, downtown Austin, Texas.

Responsibilities

• Administer and optimize our Identity and Access Management stack, serving as the subject matter expert for SSO, MFA, provisioning/deprovisioning, and access governance
• Own the Okta environment end to end: application integrations (SAML/OIDC/SCIM), workflows and automation, policy configuration, and lifecycle management
• Design and maintain automated joiner/mover/leaver processes that keep access accurate, auditable, and secure
• Manage and support endpoint fleets (macOS and Windows), including patching, configuration, and security baselines
• Support day-to-day IT operations: SaaS administration, troubleshooting escalations, hardware provisioning, and user support when needed
• Partner with Security and Compliance teams on access reviews, audit evidence, and least-privilege initiatives
• Document systems, processes, and runbooks so knowledge doesn't live in one person's head
• Evaluate and implement new tools and integrations that improve reliability, security, and the employee experience
• Foster open, respectful, and professional communication directly within the team as well as with co‑workers/teammates and leaders across the organization
• Performs other duties as assigned

Qualifications

Required

• 5+ years of hands-on systems administration experience in a professional environment
• Strong generalist skill set — comfortable across identity, endpoints, SaaS platforms, networking fundamentals, and scripting/automation
• Deep, practical Identity and Access Management experience: SSO, MFA, directory services, RBAC, and user lifecycle management
• Experience integrating applications via SAML, OIDC, and SCIM
• Scripting ability (e.g., PowerShell, Bash, or Python) to automate routine tasks
• Strong troubleshooting instincts and the ability to work independently across an ambiguous, varied workload
• Clear written and verbal communication — you can explain technical decisions to non-technical stakeholders
• Ability to work on-site full-time in downtown Austin, TX

Preferred

• Okta subject matter expertise — Okta Certified Professional or Administrator certification strongly preferred
• Experience with Okta Workflows or other identity automation tooling
• Jamf Pro experience for macOS device management (nice to have)
• Microsoft 365, Entra ID, and Intune administration experience
• Familiarity with compliance frameworks such as SOC 2 or ISO 27001
• Experience supporting a hybrid macOS/Windows environment