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IT Systems Engineer (926)

ABC Supply · Beloit, WI · Full time

Posted Sep 21, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a PowerShell or Graph script you wrote that saved real time.

What they are checking: Whether they automate repetitive admin work, which is necessary at this many locations.

Tell me about a complex project you carried out mostly on your own. How did you keep others informed?

What they are checking: Whether they can work independently while still collaborating closely with Infrastructure, Security and Operations.

What would you do

Security asks you to roll out a change that will break a workflow branches rely on. What do you do?

What they are checking: Whether they can balance security and operations by finding a path that addresses the risk without stopping the business.

A Microsoft 365 outage hits and the Service Desk is flooded with calls. What is your role?

What they are checking: Whether they can confirm scope, check Microsoft's status, and give the Service Desk clear messaging quickly.

About the work

How would you set up Conditional Access policies for more than 1,000 remote branch locations?

What they are checking: Whether they can secure Microsoft 365 at scale without locking out branch staff who share devices or locations.

Walk me through how you would troubleshoot mail flow problems in Exchange Online.

What they are checking: Whether they have a methodical approach using message trace, connectors and DNS records rather than guessing.

How do you manage Teams and SharePoint sprawl so sites and teams stay governed?

What they are checking: Whether they think about lifecycle, naming and ownership policies, which the posting frames as governance.

How do you stay ahead of changes Microsoft pushes to the platform?

What they are checking: Whether they monitor the message center and roadmap so changes do not surprise users across the company.

Explain how you would manage licenses so the company is not paying for unused seats.

What they are checking: Whether they think about cost control and group-based licensing as part of running the platform.

How would you investigate a suspected compromised account in Entra ID?

What they are checking: Whether they know the immediate containment steps and where to look in sign-in and audit logs.

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The full job description

As published by ABC Supply.

ABC Supply is North America’s largest wholesale distributor of exterior and interior building products. ABC Supply is proud to be an employee-first company. In fact, we have won the Gallup Exceptional Workplace Award every year since its inception in 2007, and Glassdoor has named us one of the best places to work in the country. Be part of a company that recognizes your talents, rewards your efforts, and helps you reach your full potential. At ABC Supply, we have YOUR future covered. ABC Supply Company is currently looking for a Microsoft 365-focused Systems Engineer for our National Support Center in Beloit. This position will support and continuously improve the Microsoft 365 platform and related cloud services that enable secure communication, collaboration, administration, governance, and productivity for over 1,000 remote locations as well as the ABC Supply facilities in Beloit, WI. Summary: This role will work with IT Infrastructure, Security, Service Desk, Operations, and business teams to administer, secure, and improve Microsoft 365 services that support ABC Supply Co., Inc. This position reports to the Server & Data Center Manager. Requirements: • Mature technical skills and ability to carry out complex assignments across Microsoft 365 and related infrastructure services • Operates independently while collaborating closely with Infrastructure, Security, Service Desk, Operations, and business stakeholders • Broad business process knowledge with the ability to translate operational needs into secure and supportable Microsoft 365 solutions • Takes initiative and contributes to improving systems, standards, governance, automation, and user experience • Focus 20% on tickets, 60% on projects, and 20% on Microsoft 365 platform architecture, governance, and continuous improvement • Experience administering Microsoft 365 platform services including Microsoft Entra ID, Microsoft Teams, Exchange Online, SharePoint Online, OneDrive, Purview, and Defender • Strong understanding of Microsoft 365 administration, service configuration, tenant governance, licensing, access models, and secure platform operations • Communication skills to explain technical information effectively and in appropriate forms to customers, stakeholders, management, and technical staff • Advanced troubleshooting skills for Microsoft 365 services, mail flow, Teams collaboration, SharePoint and OneDrive access, and tenant configuration issues • Ability to use PowerShell, Microsoft Graph PowerShell, and administrative portals to manage services and automate repeatable tasks • Willing to work after-hours as needed • Participate in on-call rotation • Willing to travel if the business needs require it • 6+ years of relevant experience and/or bachelor’s degree; Microsoft 365, Azure, collaboration, messaging, or security certifications preferred Primary job responsibilities include the following: • Primary Microsoft 365 Technology Focus Secondary job responsibilities will include but are not limited to the following: • Administer and support Microsoft 365 core platform services including Microsoft Entra ID, Microsoft Teams, Exchange Online, SharePoint Online, OneDrive, Purview, and Defender • Monitor Microsoft 365 service health, message center updates, alerts, and platform changes; communicate impact and recommended actions to appropriate teams • Manage and improve mail flow, mailbox configuration, shared mailboxes, distribution groups, Microsoft 365 Groups, transport rules, retention settings, and related messaging controls • Support Teams collaboration, meeting, policy, application, external access, and lifecycle governance standards • Administer SharePoint Online and OneDrive governance, permissions, sharing controls, site lifecycle, storage, and collaboration standards • Administer Microsoft Entra ID as a core Microsoft 365 platform service, including tenant settings, groups, roles, application integrations, and access-related service configuration • Support Microsoft 365 platform standards, lifecycle governance, administrative consistency, and service adoption across Entra ID, Teams, Exchange Online, SharePoint, and OneDrive • Partner with Security and Compliance teams on Microsoft Purview, Defender, audit logging, data protection, retention, eDiscovery support, and secure configuration standards • Utilize PowerShell and Microsoft Graph PowerShell to administer Microsoft 365 services, automate recurring tasks, perform reporting, and support operational consistency • Provide advanced-level support to IT Service Desk, Operations, Application Support, Security, and Infrastructure teams • Participate in change management, incident response, root cause analysis, documentation, standards development, and continuous improvement efforts for Microsoft 365 services Benefits may include: • Health, dental, and vision coverage - eligible after 60 days, low out of pocket • 401(k) with generous company match - eligible after 60 days, immediately vested • Employer paid employee assistance program • Employer paid short term and long-term disability • Employer paid life insurance • Flex spending • Paid vacation • Paid sick days • Paid holidays Equal Opportunity Employer / Drug Free Workplace ​ ABC Supply values diversity and we actively encourage women, minorities, and veterans to apply.

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