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Systems Administrator III
Job in
St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listed on 2026-06-05
Listing for:
Page Mechanical Group, Inc.
Full Time
position Listed on 2026-06-05
Job specializations:
-
IT/Tech
Systems Administrator, Network Administrator
Job Description & How to Apply Below
About the Role
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.
What You’ll Do- 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 AD
- Drive automation using Power Shell, 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
- 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
- Strong scripting and automation experience preferred
- 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
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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