FT - Systems Administrator
DALLAS THEOLOGICAL SEMINARY FT - Systems Administrator
Systems & Infrastructure Operations
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Administer, maintain, and monitor Windows and Linux server environments (physical and virtual).
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Manage virtualization platforms (e.g., VMware, vSphere/ vCenter or equivalent).
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Support on-premises and cloud infrastructure, including Microsoft Azure services.
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Maintain storage platforms, backup systems, and disaster recovery capabilities.
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Ensure system availability, performance, capacity planning, and lifecycle management.
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Administer Microsoft 365 services, including Entra ID (Azure AD), Exchange Online, SharePoint Online, and related services.
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Support hybrid identity and authentication services, including MFA and Conditional Access.
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Manage Active Directory, group policies, DNS, DHCP, and certificate services.
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Enforce least-privilege access models and partner with IAM and Security initiatives.
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Apply operating system and application patches in accordance with formal change controls.
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Monitor systems for security events, configuration drift, and unauthorized access.
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Support GLBA safeguards related to:
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Access controls for systems storing or processing Restricted or Confidential data.
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Audit logging, retention, and evidence collection.
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Secure configuration baselines and vulnerability remediation.
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Participate in security incident response, containment, and forensic support.
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Assist in regulatory audits, risk assessments, and security control testing.
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Ensure reliable, tested backups of all critical systems and data.
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Document and periodically test restore and disaster recovery procedures.
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Maintain data retention, off-site storage, and immutable backup protections where appropriate.
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Create and maintain accurate system documentation, diagrams, SOPs, and runbooks.
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Automate routine administrative tasks using PowerShell or equivalent tools.
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Drive standardization and repeatability across infrastructure services.
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Provide Tier 3 escalation support for complex infrastructure incidents.
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Collaborate with Service Desk, Network, Security, and Application Teams.
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Coordinate with vendors and service providers as required.
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Participate in infrastructure projects from planning through operational handoff.
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Perform approved maintenance during defined maintenance windows.
The Systems Administrator contributes directly to the following ITIL practices:
Incident Management
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Restore service availability for infrastructure-related incidents.
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Act as Tier 3 escalation for unresolved service disruptions.
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Provide root-cause input and technical findings for incident reviews.
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Maintain incident documentation and operational notes.
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Implement infrastructure changes using approved change processes.
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Plan, test, document, and execute changes with rollback strategies.
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Participate in change reviews and post-implementation validation.
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Identify recurring incidents and system weaknesses.
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Perform root-cause analysis and recommend permanent solutions.
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Implement preventative measures to reduce incident volume and risk.
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Maintain secure configurations and monitoring controls.
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Support audit evidence collection and compliance reporting.
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Assist in risk identification, mitigation planning, and remediation tracking.
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Maintain accurate configuration documentation and system inventories.
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Ensure infrastructure changes are reflected in documentation and diagrams.