$92.3k - $166.85k
Description Are you ready to be the technical backbone of a mission that matters? Leidos is seeking a highly motivated Senior Systems Administrator/ Help Desk Engineer to support a cutting-edge Agile software development…
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.
186
Open roles today
$22–$58/hr
Typical pay range
$78k
Median, full-time
9
Fresh in this list
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01
Open systems administrator roles
12 shown of 186 · sorted by freshness
Query Languages - Proficiency in Cypher (Neo4j), Gremlin, or SPARQL for querying and managing graph data. Database Administration Experience with installation, configuration, upgrades, and patching of graph databases. Ba…
Required Qualifications: ~ Bachelor's degree in computer science, Information Systems, or related field (or equivalent experience). ~5+ years of hands-on Salesforce Administration experience. ~ Salesforce Certified Admin…
and reconstruction, grading, drainage, laying out installations, foundations, slopes, retaining structures, embankments, and other systems that are made or supported by soil or rock.Develop and implement advanced technol…
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…
DescriptionAt HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas t…
$164.9k - $223.1k
science. We require 10 or more years of engineering experience. We require at least 5 years of experience working on mission systems. We prefer experience with fighter aircraft. We prefer experience working with governme…
$91.8k - $124.2k
experience, a bachelors degree and 6+ years of directly related experience, or 10+ years of relevant experience. At least 1 year of systems engineering experience, including requirements definition, allocation, verificat…
Overview : Aqua IT has an opening for an experienced System Engineer with Linux system administration experience to support cloud and on-premise systems with a mission operations team. The team is involved in operation a…
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…
using your expertise to protect our country from threats. Job Description Transform technology into opportunity as a Systems Administrator Advisor with GDIT. A career in enterprise IT means connecting and enhancing the s…
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…
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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
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.
04
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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