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Job ID #90367
Robert Half
Systems Administrator
location_on
O'Fallon, MO
description
Summary
Description
We're partnering with a growing organization seeking a Systems Administrator to join their close-knit IT team. This is a great opportunity for someone with a solid foundation in Microsoft technologies who enjoys hands-on infrastructure work and wants to continue growing their skills.
You'll work alongside experienced IT professionals supporting a Microsoft-focused environment while gaining exposure to new technologies, infrastructure projects, and emerging Microsoft AI solutions.
This is an onsite role that does require 1 Saturday a month virtual for pushing updates
What You'll Be Doing
+ Administer and support Microsoft 365 and Exchange Online
+ Maintain and troubleshoot Windows Server environments
+ Manage Active Directory and Entra ID user accounts, groups, and permissions
+ Assist with onboarding, offboarding, and access management
+ Monitor system health, performance, and availability
+ Perform server patching, upgrades, and routine maintenance
+ Support backup and recovery processes
+ Troubleshoot infrastructure and end-user issues
+ Assist with administration of the company's 3CX VoIP environment
+ Participate in infrastructure improvements and technology implementations
+ Explore and evaluate new Microsoft technologies, including AI-related initiatives
Requirements
Required
+ 3+ years of Systems Administration, Infrastructure Support, or related IT experience
+ Experience supporting Microsoft 365
+ Experience with Windows Server
+ Experience managing Active Directory
+ Strong troubleshooting and problem-solving skills
+ Excellent communication and customer service skills
+ Desire to learn and grow within a Microsoft-centric environment
Preferred
+ Experience with Entra ID (Azure AD)
+ Experience with Microsoft Intune
+ PowerShell scripting exposure
+ Virtualization experience (VMware or Hyper-V)
+ Backup and disaster recovery experience
+ Basic networking knowledge
Nice to Have (Can Be Learned On the Job)
+ 3CX
+ Veeam
+ Microsoft Purview
+ Fortinet products
Technology Doesn't Change the World, People Do.ยฎ
Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.
Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.
All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.
ยฉ 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) .
We're partnering with a growing organization seeking a Systems Administrator to join their close-knit IT team. This is a great opportunity for someone with a solid foundation in Microsoft technologies who enjoys hands-on infrastructure work and wants to continue growing their skills.
You'll work alongside experienced IT professionals supporting a Microsoft-focused environment while gaining exposure to new technologies, infrastructure projects, and emerging Microsoft AI solutions.
This is an onsite role that does require 1 Saturday a month virtual for pushing updates
What You'll Be Doing
+ Administer and support Microsoft 365 and Exchange Online
+ Maintain and troubleshoot Windows Server environments
+ Manage Active Directory and Entra ID user accounts, groups, and permissions
+ Assist with onboarding, offboarding, and access management
+ Monitor system health, performance, and availability
+ Perform server patching, upgrades, and routine maintenance
+ Support backup and recovery processes
+ Troubleshoot infrastructure and end-user issues
+ Assist with administration of the company's 3CX VoIP environment
+ Participate in infrastructure improvements and technology implementations
+ Explore and evaluate new Microsoft technologies, including AI-related initiatives
Requirements
Required
+ 3+ years of Systems Administration, Infrastructure Support, or related IT experience
+ Experience supporting Microsoft 365
+ Experience with Windows Server
+ Experience managing Active Directory
+ Strong troubleshooting and problem-solving skills
+ Excellent communication and customer service skills
+ Desire to learn and grow within a Microsoft-centric environment
Preferred
+ Experience with Entra ID (Azure AD)
+ Experience with Microsoft Intune
+ PowerShell scripting exposure
+ Virtualization experience (VMware or Hyper-V)
+ Backup and disaster recovery experience
+ Basic networking knowledge
Nice to Have (Can Be Learned On the Job)
+ 3CX
+ Veeam
+ Microsoft Purview
+ Fortinet products
Technology Doesn't Change the World, People Do.ยฎ
Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.
Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.
All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.
ยฉ 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) .
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