Under general supervision, is responsible for providing operational support for the physical and virtual server infrastructure. This position utilizes in-depth knowledge of Oracle/VMWare virtualizations and Unix/Linux server administration. Assignments are complex and may have system-wide impact on a platform and/or integrate across the enterprise. Infrastructure typically spans the server platforms, storage systems, middleware infrastructure, enterprise resource planning, and client technologies. May exercise technical supervision over assigned staff.

Work Location
515 S. Frio Street, San Antonio, Texas 78205

Work Hours
7:45 a.m. - 4:30 p.m., Monday - Friday; Hybrid and occasional onsite

• Maintains Oracle/VMWare hosted virtual environment.?
• Installs, configures, and maintains all versions of Unix/Linux-based operating systems (Oracle Solaris, RHEL, Ubuntu, etc.), ensuring high availability, security, and performance.
• Installs, configures, implements, administers, and troubleshoots Oracle SPARC Server Hardware
• Installs, configures, implements, administers, and troubleshoots the Oracle Virtual environment.
• Creates and maintains UNIX user accounts and access management systems.
• Performs routine system monitoring, troubleshooting, patch management and Shell Scripting (Bash, Ksh, Perl, Python, etc.)
• Performs regular system audits to ensure compliance with established standards, and policies.
• Handles system upgrades, migrations (hot/cold), Snapshots and configurations as needed.
• Identifies and resolves system hardware and software issues.
• Monitors virtual environments and tunes for performance as needed.
• Recommends and applies best practices within the environment.
• Develops and maintains documentation of processes, and system configuration.
• Collaborates with other IT teams to ensure proper system integration and functionality.
• Performs related duties and fulfills responsibilities as required.

• Bachelor's Degree from an accredited college or university.
• Four (4) years of work experience in Systems Administration, Networking, DBA, DBMS design and support, and/or PC Support roles.

• At least four years of experience working as a UNIX/Linux Administrator.
• Extensive knowledge of UNIX and LINUX operating systems, storage environments, network protocols and file systems.
• Familiarity with multiple information technologies that include operating systems, server virtualization, cloud-based infrastructure, automation, and middleware with expertise in several of the technologies, including Solaris, RedHat/Ubuntu Linux, Oracle, VMWare, Solaris SPARC, and X86 hardware.
• Familiarity with high availability, disaster recovery, and load balancer concepts is a plus.
• Familiarity with wired and wireless networking hardware and architectures.
• Familiarity with Virtual LAN (VLAN) setup and configuration, Virtual Private Networks, routing, IPV4, IPV6, etc.
• Familiarity with server configuration and automation tools
• Good analytical, interpersonal, and communication skills.
• Ability to adapt to changing priorities and quickly learn new skills and techniques.
• Experience with cloud-based infrastructure architecture and deployment.

• If selected for this position, official transcripts, diplomas, certifications and licenses must be submitted at the time of processing. Unofficial transcripts and copies of other relevant documents may be attached to the application for consideration in advance.
• Please be advised that if selected for this position, information regarding employment history as it relates to the qualifications of the position will be needed for employment verification. Applicants claiming military service to meet the experience requirement for this position may attach a DD214 to the application.
• Unless otherwise stated, applicants are permitted to substitute two years of related full-time experience for one year of higher education or one year of related higher education for two years of experience in order to meet the minimum requirements of the job. One year of full-time experience is defined as 30 or more hours worked per week for 12 months. One year of higher education is defined as 30 credit hours completed at an accredited college or university.
• Applicants selected for employment with the City of San Antonio in this position must receive satisfactory results from pre-employment drug testing and background checks. If required for the position, a physical, motor vehicle record evaluation, and additional background checks may be conducted.

• Knowledge of test harnessing, test simulation, testing platforms, and testing techniques
• Knowledge of the practical application of role specific engineering science and technology including applying principles, techniques, procedures, automation tools, and equipment to the design and production of various goods and services.
• Knowledge of a broad range of hardware and software products.
• Skill in working in an agile environment
• Skill in identifying and solve system problems.
• Skill in coordinating work projects.
• Ability to leverage modern architectural components to design modular, flexible solutions.
• Ability to develop and deliver requirements, concepts of operations, use cases, demonstrations, and presentations to both one-to-one and in small groups.
• Ability to create both technical and non-technical end-user documentation.
• Ability to perform all the essential functions of the position, with or without accommodations.
• Ability to work primarily in an office environment.