Senior Systems Administrator Jobs in Missouri

Senior Systems Administrator jobs in Missouri are concentrated in Kansas City and St. Louis, with secondary hiring across Columbia and Springfield, where employers like Cerner (Oracle Health), Edward Jones, and Mercy Health maintain large infrastructure teams. Demand is strongest for administrators with deep experience in Windows Server environments, VMware virtualization, and enterprise network management. Missouri's healthcare, financial services, and government contracting sectors keep consistent openings at the senior level throughout the year. Scan the live roles below and apply to whichever ones fit.

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Overview

Open roles10
Top employerEquipmentShare
Top cityColumbia, MO
Cities hiring8
Work type100% On-site
Top industryLaw

Showing 5 of 10+ Senior Systems Administrator jobs

Intern: IT Systems Administrator
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Intern: IT Systems Administrator
EquipmentShare
Columbia, Missouri
Engineering (Non-Software)
IT Support
Technical Program Management
1,001-5,000

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Cloud Systems Administrator and Developer II
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Cloud Systems Administrator and Developer II
JMARK Business Solutions, Inc.
Springfield, Missouri
Account Management
Customer Service
Customer Success
AWS Certification
51-200

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Cloud Systems Administrator and Developer I
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Added 2w ago
Cloud Systems Administrator and Developer I
JMARK Business Solutions, Inc.
Springfield, Missouri
Cloud & DevOps
IT Support
Systems Administration
AWS Certification
51-200

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IT Systems Administrator
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Added 2w ago
IT Systems Administrator
EquipmentShare
Columbia, Missouri
IT Support
Network Engineering
Systems Administration
Bachelor's degree in information technology
1,001-5,000

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IT Systems Support Administrator
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Added 3w ago
IT Systems Support Administrator
CIRCADIA
St. Louis, Missouri
Customer Service
Customer Support
Hospitality & Guest Services

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Senior Systems Administrator Jobs by City in Missouri

Where Missouri roles are concentrated, by current openings.

Columbia
2 jobs
Springfield
2 jobs
Rolla
1 job
St. Louis
1 job
Kirksville
1 job
Perryville
1 job
Kansas City
1 job
Osage Beach
1 job

Senior Systems Administrator Job Market in Missouri

A snapshot from current Missouri openings, updated as new roles post.

Who's Hiring

EquipmentShare2 open roles
Hawkins Insurance2 open roles
Forward Slash Technology2 open roles

Top Industries Hiring

  • Law & Legal Services

What Missouri Employers Look For

The qualifications that appear most often in senior systems administrator jobs across Missouri.

  • Five or more years of hands-on experience administering enterprise Windows Server and Active Directory environments
  • Proficiency with virtualization platforms such as VMware vSphere or Microsoft Hyper-V in production settings
  • Experience designing and maintaining enterprise network infrastructure including firewalls, switches, and VPNs
  • Relevant certification such as Microsoft Certified: Windows Server Hybrid Administrator or CompTIA Server+
  • Demonstrated ability to lead IT projects and mentor junior administrators across a team
  • Familiarity with backup, disaster recovery planning, and compliance frameworks such as NIST or HIPAA

Senior Systems Administrator Jobs in Missouri: Frequently Asked Questions

How do you become a senior systems administrator in Missouri?

Missouri does not require a state-issued license to work as a senior systems administrator, so the path runs through education and vendor credentials. Most employers in Kansas City and St. Louis look for a bachelor's degree in computer science, information technology, or a related field, combined with several years of progressive infrastructure experience. Industry certifications like Microsoft Certified: Windows Server Hybrid Administrator, CompTIA Server+, or VMware VCP are consistently valued by Missouri employers and help candidates move into senior roles faster.

How much do senior systems administrators make in Missouri?

Senior systems administrators in Missouri earn a median of about $80,870 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $52,190 for the lowest 10% to over $129,610 for the top 10%. Pay rises with experience, specialty, and employer.

Which companies hire senior systems administrators in Missouri?

Employers hiring senior systems administrators in Missouri right now include EquipmentShare, Hawkins Insurance, and Forward Slash Technology, based on current listings on Migrate Mate as of November 2026. Missouri's concentration of large healthcare systems, financial institutions, and government contractors means steady demand for experienced infrastructure professionals across the state.

Which Missouri cities have the most senior systems administrator jobs?

Columbia, Springfield, and Rolla have the most senior systems administrator openings in Missouri. Kansas City and St. Louis drive the bulk of hiring because of their dense clusters of healthcare networks, financial services firms, and enterprise IT departments, while Columbia and Springfield contribute openings tied to their regional hospital systems and state government offices.

Are there remote senior systems administrator jobs in Missouri?

Yes, but they're less common than for purely desk-based roles because senior systems administrators frequently need to be on-site to manage hardware, respond to outages, and maintain physical infrastructure. About 0% of senior systems administrator openings tied to Missouri are remote or hybrid as of November 2026, and remote availability tends to be highest for monitoring, scripting, and cloud-management responsibilities rather than data center or hands-on network work.

How can I get hired as a senior systems administrator in Missouri with little or no experience?

The most realistic entry path is starting as a help desk technician or junior systems administrator and building experience with Windows Server, Active Directory, and networking fundamentals. Large Missouri employers like Mercy Health, BJC HealthCare, and state government agencies regularly bring on entry-level IT staff who can grow into infrastructure roles. Earning a CompTIA A+ or Network+ credential and then pursuing a Microsoft or VMware certification gives candidates a concrete edge when applying to those first infrastructure positions.

Where can I find and apply to senior systems administrator jobs in Missouri?

You can find and apply to senior systems administrator jobs in Missouri on Migrate Mate, which lists current Missouri openings updated regularly. Search the roles available, find the ones that match your experience and location preferences, and apply directly to the employers posting them.

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