System Administrator

Overview Build Your Future with an Award-Winning Team at Credit Control. Credit Control has been recognized as a Best Place to Work in Collections for six consecutive years (2019–2025). Our success starts with our people, and we are committed to rewarding dedication with competitive pay, outstanding benefits, and meaningful growth opportunities. About the Role: We are seeking a highly skilled 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 in on-site infrastructure and enterprise systems. You’ll manage internal systems, support users, and contribute to infrastructure and security initiatives in a dynamic environment with diverse responsibilities from server management to application support. 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 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. Technical Skills Required Windows Server & Linux administration Virtualization (VMware, Hyper-V) Networking fundamentals (VLANs, TCP/IP, Firewalls) Backup and disaster recovery systems Scripting (PowerShell, Bash) Technical Skills (Preferred/Bonus) 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 for 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. Equal Opportunity Employer: Credit Control is an Equal Opportunity Employer. We value diversity and are committed to creating an inclusive workplace for all employees. #J-18808-Ljbffr Credit Control, LLC.