Systems Administrator

Position: FT - Systems Administrator
Job Summary The IT Systems Administrator is responsible for the reliable, secure, and compliant operation of Dallas Theological Seminary's on-premises and cloud-based infrastructure. This role ensures that core enterprise systems-servers, identity platforms, storage, visualization, and cloud services-are available, auditable, and aligned with both institutional priorities and regulatory  keeping with Dallas Theological Seminary's mission, this position emphasizes operational excellence, security stewardship, documentation, and service-oriented support within a higher-education and ministry context.

Primary Responsibilities Systems & Infrastructure Operations Administer, maintain, and monitor Windows and Linux server environments (physical and virtual).Manage virtualization platforms (e.g., VMware, vSphere/ vCenter or equivalent).Support on-premises and cloud infrastructure, including Microsoft Azure services.

Maintain storage platforms, backup systems, and disaster recovery capabilities.

Ensure system availability, performance, capacity planning, and lifecycle management.

Microsoft 365 & Identity Platforms Administer Microsoft 365 services, including Entra  (Azure AD), Exchange Online, SharePoint Online, and related services.

Support hybrid identity and authentication services, including MFA and Conditional Access.

Manage Active Directory, group policies, DNS, DHCP, and certificate services.

Enforce least-privilege access models and partner with IAM and Security initiatives.

Security Risk & Compliance (Security-Weighted)
Apply operating system and application patches in accordance with formal change controls.

Monitor systems for security events, configuration drift, and unauthorized access.

Support GLBA safeguards related to:

Access controls for systems storing or processing Restricted or Confidential data.

Audit logging, retention, and evidence collection.

Secure configuration baselines and vulnerability remediation.

Participate in security incident response, containment, and forensic support.

Assist in regulatory audits, risk assessments, and security control testing.

Backup, Recovery & Continuity Ensure reliable, tested backups of all critical systems and data.

Document and periodically test restore and disaster recovery procedures.

Maintain data retention, off-site storage, and immutable backup protections where appropriate.

Documentation, Automation & Continuous Improvement Create and maintain accurate system documentation, diagrams, SOPs, and runbooks.

Automate routine administrative tasks using Power Shell or equivalent tools.

Drive standardization and repeatability across infrastructure services.

Support & Collaboration Provide Tier 3 escalation support for complex infrastructure incidents.

Collaborate with Service Desk, Network, Security, and Application Teams.

Coordinate with vendors and service providers as required.

Participate in infrastructure projects from planning through operational handoff.

Maintenance Perform approved maintenance during defined maintenance windows.

Explicit ITIL Practice Alignment The Systems Administrator contributes directly to the following ITIL practices:

Incident Management Restore service availability for infrastructure-related incidents.

Act as Tier 3 escalation for unresolved service disruptions.

Provide root-cause input and technical findings for incident reviews.

Maintain incident documentation and operational notes.

Change Enablement (Change Management)
Implement infrastructure changes using approved change processes.

Plan, test, document, and execute changes with rollback strategies.

Participate in change reviews and post-implementation validation.

Problem Management Identify recurring incidents and system weaknesses.

Perform root-cause analysis and recommend permanent…