$112.2k - $185.15k
years of relevant experience, or an equivalent blend of technical education and professional experience. We require 3+ years of systems engineering experience, including system design, functional decomposition, requireme…
Engineering & IT · St. Louis, MO
Systems Administrator jobs in St. Louis, MO
Systems administrators keep an organization's servers, networks, and core services running — handling installs, patching, backups, permissions, and the problems that surface in between.
242
Open roles today
$22–$58/hr
Typical pay range
$78k
Median, full-time
4
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01
Open systems administrator roles
12 shown of 242 · sorted by freshness
$112.2k - $185.15k
comparable combination of education and experience We prefer an active Secret Clearance We prefer experience with Model-Based Systems Engineering tools such as Cameo or comparable platforms We prefer experience across th…
opportunity. Our work depends on TS/SCI level cleared Linux Systems Engineer joining our team to support our Intelligence customer... ...Required Skills Solid understanding of Linux system administration fundamentals (ne…
ITSM knowledge 2. Deskside support experience and walk-in support experience 3. White Glove Support experience 4. Operating System Troubleshooting: Skilled in diagnosing and resolving issues on Windows 10, Windows 11, ma…
using your expertise to protect our country from threats. Job Description Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems t…
DatamanUSA is looking for a Senior Budget System Administrator & Analyst for our direct client based in MO. This is a great opportunity for someone who is a quick learner with excellent people skills. Job Details: Job Ti…
Title: Chief Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national secu…
and focus our resources on investigating and implementing new coil coating technologies, developing unique coatings, ink and film systems, and designing multifaceted prints while reducing the cycle time to market. We are…
Job Detail Organization: GeoAcuity Title: Systems Engineer Location: On-site — St. Louis, MO | DC Metro | Springfield, VA | Redlands... ...IT systems (desktop, server, and online); broad system administration experience…
Manufacturing experience is desirable. Excellent oral and written communication skills. Experience working in Microsoft Office and ERP system (Salesforce preferred). Willingness to occasionally travel overnight within sa…
Overview: We are seeking an experienced Senior Systems Engineer to support mission-critical geospatial and enterprise infrastructure... ...with Active Directory, Group Policy, Windows Server administration, and enterpris…
$45 - $55 per hour
is ideal for a hands-on professional who enjoys travel, technical problem-solving, and working independently. This role supports systems including drying, conveying, blending, and temperature control equipment . The idea…
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What systems administrators earn in St. Louis
Hourly first — that's how the offer arrives
| Experience | Hourly | Annual, full-time |
|---|---|---|
| Entry level | $22–$32 | $46k–$66k |
| Mid level | $32–$43 | $66k–$90k |
| Senior | $42–$58 | $87k–$120k |
Adjusted for the St. Louis 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.
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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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