Enterprise Systems Administrator III

UT Southwestern Medical Center • Dallas, TX

7h • Hybrid

About The Position

We are seeking a skilled Enterprise System Administrator III to join our infrastructure team and support a large‑scale, hybrid enterprise environment. The ideal candidate brings deep expertise in Windows Server, Active Directory, automation, and multi‑cloud operations, along with a passion for reliability, security, and continuous improvement. H‑1B visa sponsorship is not available for this position. This role is eligible for a hybrid work schedule.

Requirements

• Associate's Degree in a technical field or equivalent.
• 5 years of job-related experience
• 3 years of experience in a support position or role in an information systems environment.
• Experience may be considered in lieu of education.

Nice To Haves

• Experience with EfficientIP and Rubrik is preferred.
• Sophos preferred for antivirus.

Responsibilities

• Administer and troubleshoot enterprise Active Directory, including users, groups, GPOs, OU structure, delegation, gMSAs, and security best practices.
• Own the full Windows Server lifecycle: build, standardize, upgrade, and decommission systems.
• Lead server patching efforts using MECM/SCCM, including planning, deployment, coordination, and remediation.
• Monitor system health, performance, and capacity using SCOM and automation tools.
• Develop PowerShell automation to enforce standards and reduce manual operational work.
• Support on‑premises and hybrid Windows workloads across VMware, Azure, AWS, and GCP.
• Provide DNS administration and recovery operations; experience with EfficientIP and Rubrik is preferred.
• Troubleshoot and remediate Windows security controls, including firewall configuration, antivirus (Sophos preferred), and OS hardening.
• Support Microsoft 365 services relevant to Windows platforms, including OneDrive integration.
• Maintain accurate documentation, runbooks, and operational procedures.
• Mentor junior team members and contribute to knowledge sharing.
• Analyzes and remediates problems involving operating systems, database systems, applications, and other technologies.
• Troubleshoots system components and recommends improvements in support of an efficient, highly available data center operation.
• Designs and implements data system components under the direction of Managers and other levels of Systems Engineers.
• Works to identify and propose innovative and creative solutions that enhance or increase the efficiency of the services provided by Information Resources to the campus community.
• Develops and reviews specifications for data system components and services.
• Assists in the development of test plans and documentation of recovery procedures.
• Assists with the development of guidelines related to the installation of Operating Systems, Database software and other application systems.
• Support for Call Center (HEAT) incidents.
• Identifies and analyzes that impact of system security vulnerabilities in relation to the enterprise environment.
• Assists with responses to security incidents to prevent additional loss and obtains and preserves forensic evidence.
• Remains knowledgeable of changes in technology, industry practices, and state and federal regulatory requirements including FISMA, NIST FIPS, and other relevant publications.
• Performs other duties as assigned.

Benefits

• PPO medical plan, available day one at no cost for full-time employee-only coverage
• 100%25 coverage for preventive healthcare-no copay
• Paid Time Off, available day one
• Retirement Programs through the Teacher Retirement System of Texas (TRS)
• Paid Parental Leave Benefit
• Wellness programs
• Tuition Reimbursement
• Public Service Loan Forgiveness (PSLF) Qualified Employer

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Associate degree