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M365 Infrastructure Engineer

Job in Henderson, Clark County, Nevada, 89014, USA
Listing for: 3Core Systems, Inc
Full Time position
Listed on 2026-07-16
Job specializations:
  • IT/Tech
    Systems Engineer, M365, SharePoint & Power Platform, Cloud Computing: Infrastructure & Operations, Azure
Salary/Wage Range or Industry Benchmark: 140000 USD Yearly USD 140000.00 YEAR
Job Description & How to Apply Below

M365 Infrastructure Engineer

Role: M365 Infrastructure Engineer

Location:

Must 5 days On-Site in Either Irving, TX or Henderson, NV. (Need to be Willing to Convert at Around $140k + 15% Bonus) Senior Microsoft Infrastructure Engineer We're partnering with a well-established enterprise that is investing heavily in modern workplace technologies, automation, and artificial intelligence. They are adding a senior engineer who can own key Microsoft collaboration platforms while helping drive the next phase of their AI strategy.

This is a highly visible, hands-on role where you'll design, implement, and continuously improve enterprise solutions—not simply maintain existing environments.

What You'll Work On:

  • Lead engineering efforts across the Microsoft 365 ecosystem.
  • Support and enhance enterprise messaging and collaboration platforms.
  • Build scalable automation to streamline IT operations and business processes.
  • Strengthen email security, governance, and compliance.
  • Help stand up and mature the organization's AI platform while evaluating new Microsoft AI capabilities.
  • Partner with infrastructure, cybersecurity, and business stakeholders to deliver modern technology solutions.

What We're Looking For:

  • 5+ years of Microsoft infrastructure engineering experience in an enterprise environment.
  • Strong background supporting Microsoft 365 services, Exchange Online, and hybrid messaging environments.
  • Experience with identity and endpoint management technologies, including Microsoft Entra  Intune.
  • Hands-on knowledge of enterprise email security, threat protection, and messaging administration.
  • Experience administering secure email platforms such as Proofpoint, Mimecast, or similar technologies.
  • Comfortable working with Power Shell and automation tools.
  • Experience with Power Platform technologies, including Power Automate.
  • Exposure to Microsoft Copilot, Azure AI services, or other enterprise AI initiatives is highly desirable.
  • Someone who enjoys designing and implementing new solutions while helping shape long-term technology strategy.

Technical Environment:

  • Microsoft 365
  • Exchange Online / Hybrid Exchange
  • Entra
  • Intune
  • Microsoft Defender for Office 365
  • Enterprise email security platforms
  • Power Shell
  • Power Automate
  • Microsoft Copilot
  • Copilot Studio
  • Azure AI Foundry
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