status.Duties, Responsibilities & OtherThe Cloud Infrastructure Administrator supports day-to-day operations, reliability, and security of... ...Work Experience Requirements:Bachelor’s degree in Information systems, Comp…
Engineering & IT · San Antonio, TX
Systems Administrator jobs in San Antonio, TX
Systems administrators keep an organization's servers, networks, and core services running — handling installs, patching, backups, permissions, and the problems that surface in between.
165
Open roles today
$22–$58/hr
Typical pay range
$79k
Median, full-time
7
Fresh in this list
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01
Open systems administrator roles
12 shown of 165 · sorted by freshness
$176k - $282k
ResponsibilitiesPeraton is seeking a Senior Systems Engineer in San Antonio, TX.We are seeking a candidate with a strong background in Network Engineering and Systems Engineering, supporting activities involving the late…
quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. Annual salary is just one component of Maximus…
$120k - $130k
$120,000-$130,000 a year + benefits Experience :- 6+ Job Description PostgreSQL/ DB2 PostgreSQL Database Administration (v11 and above) Installation, configuration, upgrades, and patching Performance tuning and query opt…
drawing reviews, site investigation and overall construction administration. Passion, self-motivation, and strong leadership skills are a... ...experience in electrical design of buildings (lighting/power/ systems) Profe…
around the world. We believe building engineering is more than systems and structures, it’s about powering progress and enabling... ...changes into the project documentsProvide construction contract administration as nee…
edit electrical specifications and select equipment, electrical systems and devicesCoordinate with and assist affected disciplines... ...changes into the project documentsProvide construction contract administration as n…
$175k - $205k
Position Description: Red Arch Solutions is seeking a Database Administrator to join our PRIME contract in San Antonio, Texas. The Database... ...and software life-cycle activities to ensure highest level of system perfo…
$71.24k - $121.23k
including support for basic and advanced scheduling, timekeeping, and time clocks. We require at least 3 years of experience in systems administration, programming, or systems analysis. We are looking for experience supp…
$65k - $121.22k
degree. We require six years of experience in programming and systems analysis. We require proficiency in at least one... ...operation of computer systems used in financial, clinical, and administrative environments. We…
ASP Web Solutions is searching for a fulltime remote System Administrator Jr. to support an Air Force Medical Command (AFMEDCOM) requirement involving the Defense Medical Logistics Standard Support (DMLSS) system. This i…
$125k - $140k
Title: Senior ERP and NetSuite System Administrator Employment Status: Full Time Location: San Antonio, TX Schedule: Hybrid, 4 days per week onsite with 1 remote day Base Salary Range: $125,000 – $140,000 Position Overvi…
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What systems administrators earn in San Antonio
Hourly first — that's how the offer arrives
| Experience | Hourly | Annual, full-time |
|---|---|---|
| Entry level | $22–$32 | $46k–$67k |
| Mid level | $32–$44 | $67k–$91k |
| Senior | $42–$58 | $88k–$121k |
Adjusted for the San Antonio market from national ranges.
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What employers ask for
The skills these listings keep naming
Windows Server and Active DirectoryLinux administrationNetworking (DNS, DHCP, VPN)Virtualization (VMware, Hyper-V)Backup and disaster recoveryScripting (PowerShell, Bash)Microsoft 365 / Azure ADPatch and endpoint managementDocumentation
04
Interview questions worth rehearsing
With the thing the interviewer is actually listening for
Users report they cannot access a shared drive. How do you troubleshoot?
Work in layers: scope (one user or many), network, permissions, and the server itself. Narrating a clear elimination process is the whole answer.
Walk me through your backup and restore strategy.
Cover the 3-2-1 principle, retention, and — most importantly — actually testing restores. 'Backups exist' means nothing until a restore succeeds.
How do you roll out patches without breaking things?
Talk about test groups, maintenance windows, rollback plans, and prioritizing by severity. Balance security urgency against stability.
Tell me about a major outage you handled.
Structure it: detection, communication, fix, and what you changed afterward. Mentioning how you kept users informed matters as much as the fix.
How do you manage user onboarding and offboarding securely?
Describe standardized checklists or automation, least-privilege access, and prompt deprovisioning. Orphaned accounts are the risk they are probing.
What do you automate in your day-to-day work?
Give real script examples — account creation, monitoring checks, cleanup jobs. Automation instinct is what separates admins who scale.
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Resume tips that move the needle
For systems administrators specifically — generic advice costs you here
01
State the environment size you supported: users, servers, sites — it frames everything else on the page.
02
List the platforms precisely (Windows Server versions, Linux distros, VMware, M365) since job postings screen on exact matches.
03
Quantify reliability: uptime maintained, ticket backlog reduced, restore times improved.
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Show scripting and automation work explicitly; it is the main lever for moving up from this role.
05
Include certifications that are current (Microsoft, CompTIA, Linux) and drop expired ones.
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Where this role goes
Typical progression
01
IT Support Specialist
02
Systems Administrator
03
Senior Systems Administrator
04
IT Infrastructure Manager
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