System Administrator I
International Bancshares
San Antonio, TX · Posted October 27, 2026
Just laid off? Start here: a plan for the first weeks
See every open role at International Bancshares
More in Texas job market · Financial Services & Banking · Engineering jobs
More roles at International Bancshares
- Branch Manager · Harlingen, TX
- Personal Lines Account Executive Assistant · Corpus Christi, TX
- Collections Administrative Assistant · San Antonio, TX
- Operations Specialist I · Mcallen, TX
- Account Executive Personal Lines · San Antonio, TX
- Administrative Assistant I · Laredo, TX
Similar jobs
- Data Performance Engineer · NOV · Houston, TX
- Systems Administrator (VMWare) · Govcio · San Antonio, TX
- ServiceNow System Administrator · The Statesman Group · Dallas, TX
- System Administrator · Oceaneering International · Houston, TX
- Sr Staff Database Engineer · Hartford Insurance Group · Hartford, CT
- Systems Administrator · Summit Pacific Medical Center · Elma, WA
Where San Antonio, TX ranks
Where San Antonio, TX placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best all-round cities for new graduates in the Southwest67 / 100 · of 15
- #5Cities with the most jobs that do not need a four-year degree in the Southwest136 jobs · of 38
- #5Cities hosting the most business conferences in the Southwest29 conferences · of 16
- #6Best college towns for junior jobs in the Southwest36% · of 32
- #6Cities hosting the most government & public sector conferences5 conferences · of 29
- #7Best cities for pay after cost of living in Texas$123k · of 8
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
Among database administrators, AI is already used for a large share of the tasks. Measured exposure for database administrators: 33% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
Say which you have and which you want to build. We use it to match you to jobs like this one.
About the job
IBC Bank successes are the result of an aggressive and innovative attitude. The Bank's "We Do More" philosophy reflects its dedication to the growth and success of its employees, customers and communities. IBC bank hires talented, creative and dedicated individuals to help our business succeed. We are a company that values leadership, community engagement and relationship building that leads to a culture of excellence. We are currently seeking to fill positions across all business segments. IBC's focus is to be customer centric and strive to provide excellent customer experience.
Time Type: Full time
This is an in-office position.
Department: 867 Systems Administration
Job Summary: System Administrators upgrade, maintain, upgrade and provide support for software, hardware and operating system's for IBC's information systems. Administration team members need to be able to understand, diagnose, escalate and resolve information system issues quickly including support outside normal bank business hours. The provide support for escalated issues for desktop, help desk and IBC business units. The individual will professionally communicate technical concerns and solutions to peers, end users and management with varying degrees of technical knowledge. Systems Administrators will work with Engineers and Tier II Administrators to monitor and maintain our system infrastructure including server operating systems, Active Directory, data center hardware, and data backup systems.
Job Description:
ESSENTIAL JOB FUNCTIONS
The statements on this job description are intended to describe the general nature of level of work being performed by incumbents. They are not an exhaustive list of all responsibilities, duties, and skills required by all incumbents.
Responsible for the maintenance, configuration and reliable operation of computer systems, network servers, and virtualization.
Install and upgrade computer components and software, manage virtual servers, and integrate automation processes.
Troubleshoot hardware and software errors by running diagnostics, documenting problems and resolutions, prioritizing problems, and assessing impact of issues.
Provide user identity and access management, server administration and application administration for end users for MS windows, MS Exchange, O365, and various software applications
Perform regular backup operations and implement appropriate processes for data protection, disaster recovery, and failover procedures
Provides escalation support for Service Desk helpdesk efforts and desktop support for PC tech, making sure all desktop applications, workstations, and related equipment problems are resolved in a timely manner with limited disruptions
Provide technical support to all IBC business units
Excellent communication of technical concerns and solutions to peers, end users and management with varying degrees of technical knowledge.
Works with Engineers and Tier II Administrators to monitor and maintain our system infrastructure including server operating systems, Active Directory, data center equipment and data backups.
Oher duties as assigned
SKILLS
Must be customer service focused
Good Written and Oral communication skills with peers, managers and end users
Ability to work with and support peers, end users and management in fast paced team environment.
Ability to multi-task requests
Flexibility to work after hours/weekends for projects, maintenance and on-call support
EDUCATION & KNOWLEDGE
Associates Degree in IT related field or 5 years experience in Systems Administration.
Windows OS Server 2012, 2016, 2019, Desktop Win 7/10. Microsoft Active Directory/Azure Active Directory. Office365 Administration. Ability to interpret system logs and alerts. Ability to interpret and modify scripting languages. Familiarity with Virtualization platforms (VM-Ware, Citrix, Hyper-V, Nutanix) Data backup concepts, MS Exchange Online and O365 support.
5 years of IT related experience with 3 years of system administration experience.
A+, Net+, MCP