Systems Administrator III

About The Role

EFC International is seeking an experienced Systems Administrator III to join our IT Infrastructure team in St. Louis. This role serves as a senior technical leader responsible for planning, implementing, and supporting enterprise infrastructure systems while managing multiple concurrent projects. This position requires both strategic planning and hands‑on technical work supporting infrastructure installations, system upgrades, and complex troubleshooting.

• Lead infrastructure projects from planning through deployment while managing timelines, risks, and stakeholder communication.
• Design, implement, and support high availability server and virtualization environments using VMware.
• Support enterprise network infrastructure including routing, switching, and firewall configurations.
• Manage Microsoft 365 identity and access solutions using Entra  AD, Conditional Access, and Identity Protection.
• Collaborate with endpoint teams on device management using Microsoft Endpoint Manager Intune and Group Policy.
• Develop automation and scripting solutions using Power Shell or similar tools to improve operational efficiency.
• Serve as a senior escalation point for complex infrastructure issues.
• Support disaster recovery planning and participate in annual testing.
• Provide mentorship and technical guidance to members of the infrastructure team.
• Perform hands on infrastructure work including server installations, network equipment setup, and hardware support when required.
• Collaborate with endpoint teams to deploy policies through Microsoft Endpoint Manager Intune and Group Policy.
• Integrate vulnerability scanning, patching, and compliance monitoring into infrastructure operations using tools such as Tenable.

• Bachelor's degree in Computer Science, Information Technology, or related field.
• Five or more years of systems or infrastructure administration experience including experience leading technical projects.
• Strong experience with VMware virtualization platforms.
• Knowledge of enterprise networking includes routing, switching, and firewall technologies.
• Experience with Microsoft 365 identity services including Azure AD or Entra .
• Experience with Microsoft Endpoint Manager Intune and Group Policy.
• Hands‑on experience with technologies such as Dell iDRAC, Cisco Meraki, Zscaler, and Tenable.

• Strong Power Shell scripting or automation experience preferred.
• Experience with VMware vSphere and disaster recovery planning.
• Familiarity with Microsoft Azure and hybrid cloud environments.

At EFC International, you’ll be part of a collaborative team where your work directly impacts our success. We offer a positive and supportive work environment, opportunities to grow your skills, and the chance to be part of a company recognized for excellence in customer service and distribution.