Lead System Administrator

Construction Resources•Decatur, GA

About The Position

The Senior System Administrator will lead the administration and optimization of our IT infrastructure, ensuring high availability, security, and scalability across on-premises and cloud environments. This role involves mentoring team members, driving automation, and implementing best practices for system reliability and security along with leading projects including M&A integrations to support CR’s growth goals. The right candidate should have a customer-centric focus and delight in implementing and maintaining resilient infrastructure to meet business needs. This role emphasizes automation and hybrid cloud integration and requires extensive Azure experience.

Requirements

10+ years of experience in system administration (Windows/Linux).
Advanced in-depth Azure Experience (Landing Zones, AVD, Monitoring, Performance Management, etc.).
Strong expertise in VMware, Active Directory, Entra, and cloud platforms (Azure, AWS).
Advanced knowledge of networking fundamentals and security best practices.
Proficiency in automation (PowerShell, Bash, other scripting tools, Intune).
Experience with monitoring tools and incident response.
Experience with Intune and Autopilot administration

Nice To Haves

Certifications: Microsoft Certified: Windows Server, Azure, VMware VCP, Security+.
Familiarity with DevOps principles and Infrastructure as Code.

Responsibilities

Lead administration of Windows and Linux servers, Active Directory, Entra ID, Intune configuration profiles, Intune admin profiles, Intune policies and Group Policies.
Manage Azure infrastructure including implementation of IaaS/PaaS, building virtual resources, storage accounts, and networking.
Apply Microsoft and industry best practices to the implementation and operation of Azure IaaS and PaaS, both in cloud-optimized and lift-and-shift scenarios.
Automation and Infrastructure as Code (IaC) scripts using Terraform, Ansible, and PowerShell.
Manage and optimize virtualization environments (VMware, Horizon, Hyper V, Azure) and cloud resources.
Work with the security team to design and implement backup and disaster recovery strategies.
Ensure network security and performance, including SASE, firewall and VPN configurations.
Monitor system health and performance; proactively detect and prevent or swiftly resolve complex issues.
Mentor and develop team of system administrators and provide technical leadership.
Collaborate with Enterprise Application and Cyber Security teams to mitigate risk and maintain compliance and security standards.