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System Admin Jobs in Missouri (NOW HIRING)

Kokosing Inc

System Administrator

Fredericktown, MO · On-site

$85 - $110/hr

We are seeking an experienced Systems Administrator with strong expertise in Microsoft Azure Cloud Infrastructure and Microsoft 365 tenant administration to support and optimize a hybrid enterprise I ...

Complete Staffing

System Administrator

Kansas City, MO

$120K - $135K/yr

Complete Staffing is partnering with our client, a growing organization seeking a hands-on IT & Systems Administrator to take ownership of its internal technology environment. This is an exciting ...

New

JS Consulting

System Administrator III

Bridgeton, MO · On-site

Job Title- System Administrator III Project Location - Onsite in Bridgeton, MO Duration- Full-time ... Group Policy Admin. * VMWare vCenter or HyperV administration. * Provisioning and managing virtual ...

teKnoluxion

System Administrator (SaaS)

Saint Louis, MO

$122K - $147K/yr

Overview System Administrator (SaaS) Springfield, VA or St. Louis, MO Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly At Bcore, our strength comes from how we deliver impact ...

CACI

AWS System Administrator

Saint Louis, MO · On-site

$75K - $158K/yr

AWS System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of ...

Life Unlimited, Inc

Systems Administrator

Kansas City, MO · On-site

$70 - $90/hr

Create and maintain system documentation, technical standards and operational playbooks. * Serve as ... Familiarity with Chrome OS administration and Google Admin Console. * Must demonstrate safe ...

Xinnovit

SAN Storage Administrator

Columbia, MO · On-site

A strong plus would be System Admin AIX, Unix, and Windows skills, experience working in or supporting a SAN environment.. Candidate must also posses strong skills in a customer support environment ...

Life Unlimited

Systems Administrator

Kansas City, MO · On-site

Create and maintain system documentation, technical standards and operational playbooks. * Serve as ... Familiarity with Chrome OS administration and Google Admin Console. * Must demonstrate safe ...

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Showing results 21-40

All JobsSystem Admin JobsSystem Admin Jobs in Missouri

System Admin information

See Missouri salary details

$38.5K

$83.4K

$129K

How much do system admin jobs pay per year?

As of Sep 3, 2026, the average yearly pay for system admin in Missouri is $83,414.00, according to ZipRecruiter salary data. Most workers in this role earn between $65,700.00 and $97,600.00 per year, depending on experience, location, and employer.

What is a system admin?

System admins, or system administrators, are IT professionals responsible for managing, maintaining, and supporting computer systems and networks within an organization. Their duties often include installing and configuring software and hardware, monitoring system performance, ensuring system security, and troubleshooting technical issues. System admins play a crucial role in ensuring that the organization's IT infrastructure runs smoothly and efficiently.

What are some common challenges system admins face when managing both on-premises and cloud-based infrastructure?

System Admins often encounter challenges integrating and maintaining both on-premises and cloud-based systems, such as ensuring consistent security protocols, managing user access across platforms, and troubleshooting connectivity issues. Balancing updates, backups, and performance monitoring between different environments requires strong organizational skills and familiarity with various management tools. Effective communication with IT, development, and security teams is essential for resolving issues quickly and maintaining system reliability.

What are the key skills and qualifications needed to thrive as a system admin, and why are they important?

To thrive as a System Admin, you need strong knowledge of operating systems (Windows, Linux), networking, and server management, typically supported by a degree in IT or related certifications like CompTIA Server+ or Microsoft Certified: Windows Server. Familiarity with tools such as Active Directory, virtualization platforms (VMware, Hyper-V), and monitoring systems is essential. Excellent problem-solving abilities, attention to detail, and effective communication distinguish top performers in this role. These skills ensure reliable system performance, security, and rapid issue resolution, which are vital for organizational operations.

What is the difference between System Admin vs Network Administrator?

AspectSystem AdminNetwork Administrator
CertificationsCompTIA A+, Microsoft Certified: Windows Server, Cisco CCNACompTIA Network+, Cisco CCNA, Cisco CCNP
Work EnvironmentManage servers, operating systems, and internal IT infrastructureFocus on network hardware, configurations, and connectivity
ResponsibilitiesMaintain servers, troubleshoot OS issues, user account managementConfigure routers/switches, monitor network performance, security
Industry UsageCommon in small to medium businesses, IT departmentsCommon in larger organizations, ISPs, data centers

While both roles involve IT infrastructure, System Admins primarily manage servers and operating systems, whereas Network Administrators focus on network hardware and connectivity. Both roles often collaborate but have distinct technical focuses and certifications.

Do system administrators make good money?

System administrators typically earn competitive salaries that vary based on experience, certifications, and location. Entry-level positions may start lower, but experienced admins with skills in networking, security, and scripting can earn higher wages, especially in larger organizations or with specialized expertise.

What are the most commonly searched types of System Admin jobs in Missouri?

The most popular types of System Admin jobs in Missouri are:

What are popular job titles related to System Admin jobs in Missouri?

For System Admin jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching System Admin jobs in Missouri look for?

The top searched job categories for System Admin jobs in Missouri are:

What are popular job titles related to System Admin jobs in MO?

For System Admin jobs in MO, the most frequently searched job titles are:

System Admin jobs near you
Infographic showing various System Admin job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 11% Part Time, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $83,414 per year, or $40.1 per hour.

Information Systems Admin

Crossroads Courier

Saint Louis, MO • On-site

$55K - $85K/yr

Full-time

Posted 3 days ago

New

Job description


Information Systems Admin
Location: St. Louis, MO (On-Site)
Schedule: 8:30 AM - 5:30 PM Monday through Friday, and after regular business hours as needed
Compensation: $55,000 - $85,000
We Find A Way.
At Crossroads Courier, every delivery matters.
We're looking for an Information Systems Administrator who enjoys solving problems, helping people, and taking ownership of technology issues from start to finish.
This role serves as the primary IT contact for employees across the organization and will support Microsoft 365 administration, device management, onboarding, vendor coordination, and day-to-day technology support.
What You'll Do
  • Provide desktop and helpdesk support for employees
  • Administer Microsoft 365, Intune, and user accounts
  • Manage employee onboarding and offboarding
  • Deploy and maintain computers, mobile devices, and equipment
  • Coordinate with technology vendors and service providers
  • Support endpoint security, networking, printers, and connectivity
  • Troubleshoot and resolve technology issues independently
  • Help improve technology processes and user experience

What We're Looking For
  • 3+ years of desktop support, systems administration, or IT generalist experience
  • Microsoft 365 administration experience
  • Intune or endpoint management experience
  • User onboarding and offboarding experience
  • Experience managing hardware and technology assets
  • Vendor management and issue resolution experience
  • Basic networking and security troubleshooting skills
  • Ability to work independently and take ownership of issues

Preferred Experience
  • Transportation, logistics, healthcare, or similar industries
  • Microsoft Copilot or AI tools
  • MSP (Managed Service Provider) environments
  • Zoho CRM or CXT TMS
  • Cybersecurity or security administration exposure

Why Crossroads Courier?
  • High-impact role with visibility across the organization
  • Opportunity to work autonomously and make a difference
  • Broad exposure to systems, security, vendors, and end-user support
  • Growth potential within the technology organization
  • Collaborative and entrepreneurial culture
  • Competitive compensation and benefits package

If you're a proactive problem solver who enjoys helping people, learning new technologies, and taking ownership of results, we'd love to hear from you.
Crossroads Courier is committed to providing equal employment opportunities to all employees and applicants for employment. Employment decisions are based on business needs, job requirements, and individual qualifications, without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, genetic information, veteran status, or any other characteristic protected by applicable federal, state, or local law.

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