Senior Systems Administrator

Jobtailor; San Antonio (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

UT San Antonio is seeking an experienced systems administrator to manage Linux servers and automation pipelines. You will support server operations, backups, patching, and app integration with ERP systems and AD, ensuring secure lifecycle management and SSL configurations.

The role includes troubleshooting OS-level issues, on-call rotation, and mentoring junior staff, in a collaborative team environment.

Qualifications

• Required bachelor’s degree in CS, MIS or IT.
• At least five years of IT and systems administration experience.
• Experience with automation, scripting, Linux server operations, backups, patching and integration with enterprise applications.
• Experience with VMware and ESXi.
• Ability to connect applications to backend databases (MSSQL or others).
• Knowledge of SSL certificates and AD/ERP integrations.
• Strong teamwork and communication skills; on-call availability.

Responsibilities

• Perform systems administration using automation, scripting, and standard procedures.
• Support Linux servers, backups, patching, and ERP integrations.
• Install, configure, patch, upgrade, and manage system lifecycles.
• Troubleshoot OS-level performance and availability issues.
• Manage services, storage, file systems, logging, and scheduled tasks.
• Integrate server apps with Active Directory and ERP systems.
• Configure applications to connect to backend databases.
• Install and configure SSL certificates.
• Participate in on-call rotation with occasional after-hours and weekend work.
• May mentor lower-level team members.

Skills

Linux Server Operations

Automation

Scripting

Team Collaboration

Effective Communication

Performance Troubleshooting

Education

Bachelor’s Degree in Computer Science

Management Information Systems

IT

Tools

Active Directory

ERP Systems

VMware

ESXi

Job description

• Perform systems administration activities using automation, scripting, and standardized procedures
• Support Linux server operations, backups, patching, and integration with enterprise applications
• Install, configure, patch, upgrade, and manage system lifecycles
• Troubleshoot complex operating-system-level, performance, and availability issues
• Manage system services, storage, file systems, logging, and scheduled tasks
• Integrate server applications with Active Directory and ERP systems
• Configure applications to connect to backend databases
• Install and configure SSL certificates
• Participate in an on-call rotation with occasional after-hours and weekend work
• May lead or mentor lower-level team members

Requirements

• Bachelor’s Degree in Computer Science, Management Information Systems or IT (Required)
• Five (5) years of relevant experience in IT and systems administration is required
• Experience with automation, scripting, Linux server operations, backups, patching, and enterprise application integration
• Experience with VMware and ESXi
• Experience configuring applications to connect to backend databases using MSSQL and/or other databases
• Understanding of SSL and ability to install and configure certificates
• Understanding of server applications and integration with Active Directory and ERP systems
• Ability to work in a team environment and tactfully discuss issues with peers and leaders
• Ability to participate in an on-call rotation, including occasional after-hours and weekend work
• Excellent verbal and written communication skills
• May require ability to maintain the security and integrity of UT San Antonio and its infrastructure per Texas EO-GA-48

Core Competencies

Demonstrates expertise in Linux Server Operations, Automation, and Scripting, with a strong focus on system administration, application integration, and database connectivity. Proven ability to troubleshoot complex issues and manage system lifecycles while ensuring security and compliance.

Highest-signal resume keywords

• Linux Server Operations
• Automation and Scripting
• VMware and ESXi
• MSSQL Database Configuration
• Active Directory Integration

ATS Optimization Keywords

Hard Skills

• Systems Administration
• Backup and Patching
• Performance Troubleshooting
• SSL Certificate Installation
• Application Configuration

Soft Skills

• Team Collaboration
• Effective Communication

Certifications & Qualifications

• Bachelor’s Degree in Computer Science
• Management Information Systems
• IT

Industry Keywords

• System Lifecycle Management
• On-Call Rotation
• Security and Integrity Compliance

Tools & Technologies

• Active Directory
• ERP Systems
• VMware
• ESXi