System Administrator
Credit Control, LLC. · Earth City, MO · 2 wk ago
On-siteInformation Technology$60k–$85k/yrFull-time
About the role
We are seeking a highly skilled and motivated System Administrator to join our IT Operations team at our Earth City, MO headquarters.
Key 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.
- Aid with endpoint management and software deployment.
- Cook with security teams on vulnerability remediation and incident response.
- Participate in after-hours upgrades, maintenance windows, and on-call rotations.
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.
- Preferred Certifications (One Or More): CompTIA Server+, Network+, Microsoft Certified: Windows Server Hybrid Administrator Associate, Cisco CCNA, VMware Certified Professional (VCP), Red Hat Certified System Administrator (RHCSA).
Required Technical Skills
- Windows Server & Linux administration.
- Virtualization (VMware, Hyper-V).
- Networking fundamentals (VLANs, TCP/IP, Firewalls).
- Backup and disaster recovery systems.
- Scripting (PowerShell, Bash).
Preferred/Bonus Experience
- With 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.
Schedule
Monday–Friday, standard 8-hour shifts.
Availability
Occasional nights/weekends for after-hours support, upgrades, or project work.
Compensation & Benefits
- Salary: $60,000 – $85,000 annually.
- Medical, Dental, and Vision coverage.
- Life insurance.
- Short Term & Long-Term Disability.
- Generous Paid Time Off, Vacation, and Holidays.
- Paid Bereavement Leave.
- 401(k) with Company Match.
- Professional Development Grant Program.
- Employee Assistance Program.
- Fun contests, prizes, and company events.
- Referral bonus program.
- ADP Lifemart employee discounts.
Work Environment
This is a fully on-premise role located at: 3300 Rider Trail South, Suite 500, Earth City, MO 63045
You’ll be working in a secure, team-oriented, and fast-paced environment that values reliability, accountability, and innovation.
How To Apply
Submit your resume and a brief cover letter.
We look forward to learning more about how your experience aligns with our team’s goals.