Infrastructure Engineer

DriSteem Corporation; Madison (WI); On-site; USD 105,000 - 135,000; Full time

Job summary

Madison Air is hiring an Infrastructure Engineer to maintain and optimize enterprise infrastructure in our Unified IT Operations team. This onsite role supports Aprilaire and Research Products within the Madison Air network.

You will manage Windows Server, AD, Entra ID, M365, Intune/Autopilot, and virtualization platforms, collaborating with cross-functional teams to ensure security and reliability.

Qualifications

• Bachelor’s degree or equivalent experience in IT/CS/Engineering.
• 5+ years of progressive experience in systems administration, infrastructure engineering, or IT operations in an enterprise environment.
• Experience with Windows Server, Active Directory, Entra ID, and Microsoft 365.
• Hands-on experience with endpoint management technologies like Intune/Autopilot.
• Experience with virtualization technologies, server hardware, storage, and lifecycle management.
• Strong networking fundamentals and ability to work with cross-functional teams.

Responsibilities

• Maintain, optimize, and secure enterprise infrastructure and core systems.
• Lead health, security, stability, and continuous improvement of enterprise services.
• Administer Windows Server environments, AD, Entra ID, DNS, DHCP, and file services.
• Support M365 initiatives and Azure Entra ID with hybrid integration.
• Manage endpoint provisioning through Intune/Autopilot and device lifecycle management.
• Collaborate with teams to plan upgrades, patches, and refresh initiatives.
• Create and maintain technical documentation, standards, and diagrams.
• Participate in after-hours maintenance and on-call rotations.

Skills

Windows Server

Active Directory

Microsoft Entra ID

Microsoft 365 administration

Intune/Autopilot

Virtualization

Networking basics

Documentation & communication

Stakeholder support

Education

Bachelor's degree in IT/CS/Engineering or equivalent

Tools

Intune

Autopilot

VMware/Hyper-V

Microsoft 365

Job description

Overview

Madison Air and AprilAire are adding to our team due to a recent promotion!

Madison Air is a leader in indoor air quality, bringing together innovative companies focused on creating healthier indoor environments. As part of the Madison Air family, AprilAire and Research Products have helped families and businesses breathe healthier air for more than 70 years.

We are seeking an experienced and highly motivated Infrastructure Engineer to join our Unified IT Operations team. This role reports through Madison Air's corporate IT organization and is dedicated to supporting the technology infrastructure that powers Aprilaire and Research Products' operations. Based onsite in our Madison area facilities, you'll work closely with local business teams while leveraging the resources, expertise, and career opportunities that come with being part of the broader Madison Air organization.

In this role, you will be responsible for maintaining and optimizing enterprise infrastructure and core systems that support business operations. As a member of the Unified IT Operations team, you will help drive enterprise alignment through shared standards, secure operating practices, and reliable service delivery.

Responsibilities

The Infrastructure Engineer is responsible for the health, security, stability, and continuous improvement of enterprise systems and infrastructure services. This role serves as a technical lead for core platforms, supports operational excellence through standards and partners with cross-functional teams to deliver reliable technology solutions that align with business and security requirements.

Core Responsibilities

• Implement, administer, and support enterprise server, storage, virtualization, and cloud infrastructure platforms.
• Manage and maintain Windows Server environments, directory services, DNS, DHCP, Group Policy, file services, and core infrastructure components.
• Support Microsoft 365 initiatives and Azure Entra ID, access controls and hybrid integration.
• Administer endpoint management platforms such as Microsoft Intune and Autopilot to support secure device provisioning, configuration, compliance, and lifecycle management.
• Manage virtualization platforms and compute environments in VMware or Hyper‑V, to ensure availability, performance, and resiliency.
• Monitor health of infrastructure, review alerts, troubleshoot incidents, perform root cause analysis, and coordinate remediation for complex technical issues.
• Plan and execute system upgrades, patching, maintenance activities, and technology refresh initiatives in accordance with change and security standards.
• Partner with cybersecurity teams to implement system hardening, vulnerability remediation, secure configuration baselines, and audit readiness practices.
• Create and maintain technical documentation, standards, procedures, diagrams, and support knowledge for systems and operational processes.
• Collaborate with service desk, networking, cybersecurity, application, and business teams to support project execution and resolve escalated issues.
• Participate in after-hours maintenance, scheduled on-call rotation, and occasional travel as required to support sites, infrastructure changes, and critical incidents.

Qualifications

Required Skills & Qualifications

• Bachelor’s degree in Information Technology, Computer Science, Engineering, or a related field, or equivalent combination of education and experience.
• 5+ years of progressive experience in systems administration, infrastructure engineering, or IT operations in an enterprise environment.
• Experience supporting Windows Server, Active Directory, Microsoft Entra ID, Microsoft 365 administration, and core infrastructure services.
• Hands‑on experience with endpoint management technologies such as Microsoft Intune, Autopilot, and enterprise device configuration management.
• Experience with virtualization technologies, server hardware, storage platforms, and infrastructure lifecycle management.
• Working knowledge of networking fundamentals, including TCP/IP, DNS, DHCP, VPN connectivity, switching concepts, and infrastructure dependencies.
• Strong documentation, communication, prioritization, and stakeholder support skills.

Preferred Skills & Qualifications

• Experience supporting hybrid infrastructure environments across multiple locations or business units.
• Familiarity with monitoring, RMM, and ITSM platforms used for alerting, ticket management, and operational reporting.
• Experience participating in infrastructure projects, site deployments, platform modernization, and standards development.