about fostering a collaborative, innovative environment where our team members and clients can thrive. We’re looking for a System Administrator who thrives on solving complex challenges while working side-by-side with ta…
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
3
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01
Open systems administrator roles
12 shown of 165 · sorted by freshness
$67.96 per hour
Clearance Required: Active TS/SCI Employment Type: Full-Time Overview We are seeking a Senior AWS Cloud Systems Operations Administrator to support the administration, maintenance, security, and optimization of enterpris…
ASP Web Solutions is searching for a fulltime remote Sr. System Administrator to support an Air Force Medical Command (AFMEDCOM) requirement involving the Defense Medical Logistics Standard Support (DMLSS) system. This i…
$110k - $190k
troubleshooting, maintenance, and operational support for IT systems. Provide Tier 1 and Tier 2 support, including problem identification... .... Required Skills: ~10+ years of experience as a System Administrator suppor…
$80k - $100k
Everlight Solar is seeking a highly skilled Salesforce Administrator who will design and code functional programs and applications, producing... ....com ( and all upstream and downstream applications, systems and process…
$132.93k - $143.84k
Posted Date: 7/22/2026 Category: Engineering-Other Employment Type: Full Time Hiring Company: General Dynamics Mission Systems, Inc. Basic Qualifications Master's degree, plus 6 years of relevant experience. Bachelor's d…
$150k - $250k
strong working knowledge in Kubernetes and Container Orchestration, Configuration Management, CI/CD, Automation, AWS, Linux systems administration, Scripting in Bash and Programming in Python, and a background in Big Dat…
excellence drives us to develop and maintain cutting-edge systems and capabilities in direct support of the warfighter .... ...6CS is seeking a motivated and mission-oriented Linux System Administrator to join our team i…
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…
nation’s safety and security. Make an impact by using your expertise to protect our country from threats. Job Description SERVER SYSTEMS ENGINEER SENIOR Deliver simple solutions to complex problems as a Server Systems En…
Location: San Antonio, TX Position Summary The Systems Information Engineer serves as the senior M365 Systems Engineer responsible for enterprise administration, configuration, troubleshooting, and governance support for…
threats. Job Description Enterprise Management Tools – Systems Engineer Deliver simple solutions to complex problems as... ...an experienced systems engineer to perform system/application administration, maintenance and…
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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
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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
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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.
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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.
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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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