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Networking System Administrator Jobs in Missouri

Credit Control, LLC.

System Administrator

Earth City, MO · On-site

... Networking fundamentals (VLANs, TCP/IP, Firewalls) • Backup and disaster recovery systems • ... Windows Server Hybrid Administrator Associate • Cisco CCNA • VMware Certified Professional (VCP ...

Jobgether

Support network administration activities involving TCP/IP, DNS, DHCP, VPN, VLANs, and related ... System Administrator or in a similar technical support role. * Practical experience managing ...

Credit Control LLC

System Administrator

Earth City, MO · On-site

CompTIA Server+, Network+ * Microsoft Certified: Windows Server Hybrid Administrator Associate * Cisco CCNA * VMware Certified Professional (VCP) * Red Hat Certified System Administrator (RHCSA ...

Credit Control LLC

System Administrator

Earth City, MO · On-site

$60K - $85K/yr

CompTIA Server+, Network+ * Microsoft Certified: Windows Server Hybrid Administrator Associate * Cisco CCNA * VMware Certified Professional (VCP) * Red Hat Certified System Administrator (RHCSA ...

Credit Control LLC

System Administrator

Earth City, MO · Hybrid

$60K - $85K/yr

CompTIA Server+, Network+ * Microsoft Certified: Windows Server Hybrid Administrator Associate * Cisco CCNA * VMware Certified Professional (VCP) * Red Hat Certified System Administrator (RHCSA ...

JS Consulting

System Administrator III

Bridgeton, MO · On-site

Overview: Do you have a passion for IT infrastructure that includes different network technologies, servers, and software? Our client is hiring a System Administrator III for their company ...

Collabera

Network Systems Admin

Saint Louis, MO

$68K - $91K/yr

... networking, OS-Linux,Windows, security, database background) - ITIL (2-4 yrs) - ServiceNow ticketing system experience (1-3 yrs) - Basic systems admin/application admin skills (Performing restarts ...

Collabera

Network Systems Admin

Clayton, MO

$65K - $88K/yr

... networking, OS-Linux,Windows, security, database background) - ITIL (2-4 yrs) - ServiceNow ticketing system experience (1-3 yrs) - Basic systems admin/application admin skills (Performing restarts ...

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Networking System Administrator information

What is the difference between Networking System Administrator vs Network Engineer?

AspectNetworking System AdministratorNetwork Engineer
CertificationsCompTIA Network+, Cisco CCNACompTIA Network+, Cisco CCNA, CCNP
Work EnvironmentMaintains and supports existing network infrastructureDesigns and implements new network solutions
Primary FocusNetwork stability, troubleshooting, and daily operationsNetwork design, planning, and deployment
Employer & Industry UsageIT departments across various industriesTelecommunications, large enterprises, network consulting

While both roles involve network knowledge, Networking System Administrators focus on maintaining and troubleshooting existing networks, whereas Network Engineers are responsible for designing and implementing new network solutions. The roles often overlap, but their primary responsibilities and focus areas differ.

Is sysadmin an entry level job?

A networking system administrator role is typically not considered entry level, as it usually requires several years of experience, knowledge of networking protocols, and skills in managing network infrastructure. Entry-level positions in IT may include help desk or support technician roles, with sysadmin positions often requiring certifications like CompTIA Network+ or Cisco CCNA. However, some organizations offer junior or associate sysadmin roles for those starting their careers in network management.

Is a sysadmin job in high demand?

Networking system administrators are in high demand due to the increasing reliance on network infrastructure and cybersecurity. Employers seek professionals with skills in network configuration, security protocols, and certifications like Cisco or CompTIA, making the role generally stable and well-compensated.

What does a network systems administrator do?

A network systems administrator manages and maintains an organization’s computer networks, including servers, switches, and routers. They troubleshoot network issues, ensure security protocols are in place, and often configure network hardware and software using tools like firewalls and monitoring systems. Strong knowledge of networking protocols, security practices, and certifications such as CompTIA Network+ are common requirements.

How much does a sysadmin earn?

A networking system administrator typically earns between $60,000 and $90,000 annually, depending on experience, certifications, and location. Entry-level positions may start lower, while experienced sysadmins with certifications like Cisco or Microsoft can earn higher salaries. Salaries also vary based on the complexity of the network environment and organizational size.
What are popular job titles related to Networking System Administrator jobs in Missouri? For Networking System Administrator jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Networking System Administrator jobs in Missouri look for? The top searched job categories for Networking System Administrator jobs in Missouri are:
What cities in Missouri are hiring for Networking System Administrator jobs? Cities in Missouri with the most Networking System Administrator job openings:
Networking System Administrator jobs near you
Infographic showing various Networking System Administrator job openings in Missouri as of July 2026, with employment types broken down into 1% As Needed, 88% Full Time, 8% Part Time, 1% Temporary, and 2% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution.
System Administrator

System Administrator

Credit Control, LLC.

Earth City, MO • On-site

Full-time

Posted 9 hours ago

Job description

Job Summary:
Credit Control, LLC. is an award-winning company recognized for its workplace culture. They are seeking a highly skilled System Administrator to manage internal systems, support users, and contribute to infrastructure and security initiatives.
Responsibilities:
• Maintain, monitor, and optimize physical and virtual server infrastructure (Windows/Linux).
• Administer Active Directory, DNS, DHCP, Group Policy, and related core services.
• Support and improve virtualization environments (VMware, Hyper-V).
• Perform routine patching, backups, and system health monitoring.
• Provide Tier 2/3 support for service desk escalations.
• Create and maintain system documentation and SOPs.
• Assist with endpoint management and software deployment.
• Coordinate with security teams on vulnerability remediation and incident response.
• Participate in after-hours upgrades, maintenance windows, and on-call rotations.
Qualifications:
Required:
• 5+ years of experience in system administration roles in enterprise environments.
• Bachelor’s degree in Computer Science or related field, OR relevant certifications in lieu of a degree.
• Windows Server & Linux administration
• Virtualization (VMware, Hyper-V)
• Networking fundamentals (VLANs, TCP/IP, Firewalls)
• Backup and disaster recovery systems
• Scripting (PowerShell, Bash)
Preferred:
• CompTIA Server+, Network+
• Microsoft Certified: Windows Server Hybrid Administrator Associate
• Cisco CCNA
• VMware Certified Professional (VCP)
• Red Hat Certified System Administrator (RHCSA)
• Appgate SDP (or similar ZTNA solutions)
• Microsoft 365 administration
• Azure AD Sync / Hybrid identity
• ConnectWise Service Manager or other RMM platforms
• Endpoint protection (SentinelOne)
• Vulnerability management (Rapid7)
• Cisco Umbrella
• PAM tools like CyberArk or similar
Company:
Credit Control, LLC is a nationally licensed provider of customized, performance-driven receivables management services founded in 1989. Founded in 1989, the company is headquartered in Hazelwood, USA, with a team of 501-1000 employees. The company is currently Late Stage.

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