Systems Administrator III

EFC International•St. Louis, MO

About The Position

EFC International is seeking a senior-level Systems Administrator III to join our IT Infrastructure team. This role combines technical leadership with hands-on work across enterprise systems, infrastructure projects, and operational improvements.

Requirements

5 plus years of infrastructure or systems administration experience
Strong VMware and enterprise networking experience
Experience with Microsoft 365, Intune, and Group Policy
Hands-on experience with tools such as Cisco Meraki, Dell iDRAC, Zscaler, and Tenable
Ability to lift up to 50 lbs. and climb ladders
Experience racking and cabling servers and data center equipment
Experience installing AV equipment including mounted displays and conferencing systems

Nice To Haves

Strong scripting and automation experience preferred

Responsibilities

Lead infrastructure projects from planning through deployment
Manage and support VMware environments and enterprise systems
Maintain network infrastructure including routing, switching, and firewalls
Administer Microsoft 365 identity solutions including Entra ID Azure AD
Drive automation using PowerShell, Power Automate, N8N, or similar tools
Identify and implement automation opportunities to improve efficiency
Support vulnerability management using Tenable or similar tools
Participate in disaster recovery planning, testing, and remediation
Develop and maintain operational playbooks for outages and incidents
Serve as a senior escalation point and mentor team members
Perform hands-on work including server installs, networking, and hardware support

Benefits

Join a collaborative team where your work directly impacts business performance.
You will have the opportunity to lead meaningful projects, modernize infrastructure, and grow your technical expertise.

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