Systems Administrator - Security

San Antonio Water System San Antonio , TX 78245

Posted 7 days ago

Salary starts at $68,791.00 annually. The rate of pay depends on qualifications.

Job Description


The Systems Administrator is responsible for developing and implementing network server standards, procedures and measures regarding security, recoverability, and performance including the development and implementation of procedures for software distribution, software currency, system backups/restorations, and virus detection/removal.


  • Installs, configures, and manages server/workstation hardware, Windows/Unix operating systems, and enterprise applications including MS Exchange, MS Project, RightFax, RRAS, ESRI, LIMS, Lawson, and Hansen in a highly available environment.

  • Manages file system security.

  • Manages Active Directory (User accounts, Group Policy, Network Printing, DDNS, ISA, IIS, Clustered server environments).

  • Manages third party cloud services. Administers and migrates scalable, secure, and stable applications to the cloud and serves as the subject matter expert resource for service delivery areas.

  • Automates administrative processes utilizing current industry scripting languages.

  • Tests and installs new software releases, system upgrades, patches, and resolve related issues.

  • Provides consultation and guidance on complex projects and meets with internal customers, management, and vendors to provide top level contributor/specialist function.

  • Designs, configures, and administers backup and restore strategies.

  • Plans, designs, sustains, and performance-tunes storage area network, ensuring a high level of data quality and availability, as well as provision storage and monitor usage, capacity, and performance.

  • Configures user accounts, managing group policies maintaining appropriate network security groups for the organizations Active Directory structure.

  • Performs Web server administration and support of server based corporate applications.

  • Performs other duties as assigned.


  • Monitors network systems for security breaches, investigates violations when they occur.

  • Establishes secure system configuration baselines and monitors changes.

  • Applies system hardening best practices to workstations and servers.

  • Administers security systems such as; Data Loss Prevention, Encryption, Endpoint Protection, SIEM, Vulnerability Scanners, IDP/IPS devices, and Enterprise System Management Technologies.

  • Ensures servers and workstations are scanned for viruses and performs removal procedures.

  • Implements Operating System security updates and patches management for all domain systems.

  • Performs hardware/software auditing/deployment using Microsoft Systems Management Server.


  • This position works under limited supervision.

  • This position provides functional guidance and may serve as a technical lead in various projects.


  • Associate's Degree in Computer Science or Information Systems or related field from an institution accredited by a nationally recognized accrediting agency, or equivalent work experience.

  • Four years' experience in a computer related field including four years' as a systems administrator.

  • Current Microsoft Certified System Engineer or equivalent certification.

  • Valid Class "C" Texas Driver's License.


  • Bachelor's Degree in Computer Science, Information Systems, or related field from an institution accredited by a nationally recognized accrediting agency.

  • Certification in Linux Systems Administration.


  • Bachelor's Degree in Computer Science, Information Systems, or related field from an institution accredited by a nationally recognized accrediting agency.

  • Four years' experience as a Security System Administrator.

  • Certified Information Systems Security Professional (CISSP).

  • Information Technology Infrastructure Library (ITIL) certification.

  • Strong familiarity with scripting technologies (VBScript, PowerShell).


  • Ability to use word processing, spreadsheet, database, and presentation software.

  • Ability to communicate effectively, verbally and in writing.

  • Ability to work effectively with internal customers, co-workers, vendors, and consultants.


Physical requirements include lifting up to 25 pounds occasionally. Sits, stands, and walks frequently and squats and kneels occasionally. Requires visual acuity, speech and hearing. May operate a company or personal vehicle on a daily basis. Working conditions are primarily in an office environment with occasional field visits.

May be required to work hours other than the regular daytime schedule such as nights, weekends, holidays, and on-call.

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Systems Administrator - Security

San Antonio Water System