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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Build the Future with Us — EquipmentShare is Hiring a Intern: IT Systems Administrator
At EquipmentShare, we're not just filling a role — we're assembling the best team on the planet to build something that's never been built before. We're on a mission to transform an industry that's been stuck in the past by empowering contractors and communities through innovative technology, real-time support, and a team that truly cares.
EquipmentShare is searching for a student intern to join the Team at our Home Office in Columbia, MO for the SPRING of 2027.
What You Will Do
- Serve as the primary escalation point for advanced technical issues from the IT Support team.
- Troubleshoot and resolve complex infrastructure, identity, application. and cloud-related issues.
- Support identity and access management through Okta, Google Workspace, and related authentication technologies.
- Work closely with Engineering, Security, Networking, and IT Support teams to resolve cross-functional incidents.
- Document technical procedures, create knowledge base articles, and improve operational workflows.
- Document and Operationalize repetitive processes to be passed down to our support team.
- Participate in infrastructure projects, migrations, system upgrades, and technology rollouts
About You
Our mission to change an industry is not easily achieved. That's why we look for students who are up for the challenge to join our internship program. In turn, our interns have countless opportunities to make a tangible difference in an industry that's long been resistant to change.
Flexible work schedule but prefer Monday – Friday between 8am – 5pm.
What You're Working With
- Working knowledge of Identity and Access Management (IAM) principles and security best practices.
- Experience documenting technical processes and maintaining accurate system documentation.
- Excellent analytical and problem-solving abilities.
- Strong written and verbal communication skills across Slack, email, and virtual meetings.
- Comfortable collaborating with distributed teams across multiple departments.
- Highly organized with the ability to prioritize multiple initiatives simultaneously.
- Self-motivated with the ability to work independently while knowing when to escalate issues.
- Adaptable and eager to learn new technologies in a rapidly changing environment.
- Customer-service oriented with a focus on delivering an exceptional internal support experience.
- Strong attention to detail and commitment to continuous improvement.
Why We're a Better Place to Work
EquipmentShare interns have the opportunity to enjoy many perks while working at our Home Office, including:
- Flexible work arrangement.
- Competitive salary.
- Company paid holidays.
- On-site Fitness Center and wellness challenges.
- Company sponsored events (annual family gatherings, food truck nights and more).
- Volunteering and local charity initiatives that help you nurture and grow the community.
- Opportunities for career and professional development.
A Workplace For All
At EquipmentShare, we believe the best solutions come from a team that reflects the world around us. Our initiative — A Workplace For All — is rooted in the belief that we must work together to solve some of the toughest problems in construction. That means attracting, developing, and retaining great people from all walks of life.
We value different backgrounds, talents, and perspectives. We want you to feel like you belong here — because you do.
EquipmentShare is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability, or status as a protected veteran.
Employment is contingent on passing a background check. Additionally, some roles require passing a drug test, depending on the job responsibilities.
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Find JobsSenior Systems Administrator Jobs by City in Missouri
Where Missouri roles are concentrated, by current openings.
Senior Systems Administrator Job Market in Missouri
A snapshot from current Missouri openings, updated as new roles post.
Who's Hiring

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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Find roles in Missouri that match your experience and apply in just a few clicks.
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