System Administrator
Credit Control LLC•Earth City, MO
•$60,000 - $85,000•Onsite
About The Position
We are seeking a highly skilled and motivated System Administrator to join our IT Operations team at our Earth City, MO headquarters. This is a 100% on-premise position, ideal for a hands-on professional with strong system administration experience, particularly in on-site infrastructure and enterprise systems. You’ll play a key role in managing our internal systems, supporting users, and contributing to infrastructure and security initiatives. The right candidate will be comfortable in a dynamic environment with varied responsibilities—from server management to application support.
Requirements
- 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)
Nice To Haves
- 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
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.
Benefits
- 401(k) with company match
- Health Insurance
- Dental & Vision Insurance
- Paid Time Off (PTO)
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
