IT Infrastructure Administrator

We are a collective of HVAC design and implementation experts. As recognized industry leaders, we combine our craft with care for spaces that matter most: healthcare, commercial, institutional, and mission critical. Our nationwide reach gives you flexible solutions for any market or project—delivering the expertise and resources to support your work at every scale. We believe in working with the best products, partners and people and hope you’ll join us!

Ambient Enterprises is a growing commercial HVAC sales, service, and parts organization with approximately 1,900 employees across more than 70 locations nationwide. We are seeking an experienced IT Infrastructure Manager to support our expanding business and lead key infrastructure initiatives, with a strong focus on Microsoft Azure.

The IT Infrastructure Manager will be responsible for managing Azure and hybrid infrastructure, supporting regional IT operations, and leading technology integrations for newly acquired companies. This hands-on role works closely with the infrastructure and security teams, Managed Service Providers (MSPs), and external vendors to maintain secure, reliable, and efficient IT systems. The ideal candidate will bring strong technical expertise in Microsoft Azure, Microsoft 365, identity management, and automation, along with the ability to independently manage projects and troubleshoot complex issues.

This position reports to the Senior IT Infrastructure Manager and does not have direct reports.

• Azure & Hybrid Infrastructure Manage, maintain, and optimize Microsoft Azure and on-premises infrastructure, including networking, servers, storage, applications, and backups. Establish and maintain Azure standards for security, performance, reliability, and cost management. Support Azure-hosted applications, virtual desktops, and infrastructure migrations. Oversee backup and disaster recovery planning, testing, and improvements. Monitor Azure spending and identify opportunities for optimization.
• Identity & Access Management Administer Microsoft Entra  Active Directory, including user accounts, permissions, and authentication. Manage automated user provisioning and updates through Workday. Implement single sign-on (SSO) and automated account provisioning for business applications. Support Microsoft 365 access, SharePoint permissions, and cross-location collaboration.
• Acquisition Integration Participate in IT due diligence and assess infrastructure, systems, and security for potential acquisitions. Lead technology integration for assigned acquired companies, including site assessments, Microsoft 365 migrations, and device cutovers. Coordinate with internal teams, outgoing IT providers, and vendors to ensure successful transitions. Provide on-site support during migrations and go-live activities. Identify opportunities to improve and standardize acquisition integration processes.
• Regional IT Support & Endpoint Management Oversee IT infrastructure and support for assigned regional locations, including networking, office moves, and site buildouts. Serve as an escalation point for complex technical issues involving systems, applications, devices, and networks. Manage Windows devices using Microsoft Intune and Ninja One, including deployment, software updates, and maintenance. Coordinate hardware purchasing, equipment standards, inventory, and returns with vendors and equipment providers.
  
  Partner with MSPs and help desk teams to maintain service quality and resolve issues.
• Automation, Security & Process Improvement Develop and maintain Power Shell scripts to automate onboarding, offboarding, device management, and routine IT tasks. Maintain IT service workflows…