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 ID and
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 PowerShell 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 ID
- Intune
- Microsoft Defender for Office 365
- Enterprise email security platforms
- PowerShell
- Power Automate
- Microsoft Copilot
- Copilot Studio
- Azure AI Foundry
Skills Required
- 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 ID and Intune
- Hands-on knowledge of enterprise email security, threat protection, and messaging administration
- Experience administering secure email platforms such as Proofpoint or Mimecast
- Comfortable working with PowerShell and automation tools
- Experience with Power Platform technologies, including Power Automate
- Exposure to Microsoft Copilot, Azure AI services, or other enterprise AI initiatives
What We Do
Established in 2004, 3Core System is a certified small minority owned business providing ERP Systems Integration, AMS, IT Consulting and Staff Augmentation Services to Fortune 1000, SMB, and State, Local and Education (SLED) customers. While our System Integration services help organizations achieve digital and cloud transformation objectives, AMS Services help increase the availability of critical services of end user applications. On the other hand, our IT Consulting Services would provide subject matter experts to help you assist with specific project needs and the Staff Augmentation services help you balance workload and achieve budget parameters. >ERP System Integration Services: 3Core Systems is an SAP Silver Partner and authorized service provider offering technical architecture, application design and configuration, integration, testing, data migration and solution adoption services for solutions including SAP SuccessFactors, SAP HCM On-Premises and SAP Business Intelligence >Application Management Services (AMS): We offer post go-live, System Health Check and Optimization, Function Enhancements, Integration Monitoring, Release, and patch services. Our AMS services span across SAP Solutions including ERP (S/4 HANA), Financial Management, Human Capital Management, Data and Analytics, Supply Chain, CRM, and Customer Experince. >IT Consulting and Staffing Augmentation Services: Ever since its inception, 3Core Systems has been offering IT Consulting and Staff Augmentation solutions including temporary, long-term, project based and contract staffing services that could be personalized based on your needs. Our staffing services span across emerging technologies and legacy solutions including but not limited to Artificial Intelligence, Machine Learning, Data Science, Cloud, ERP, CRM, BI/BW/ETL, Database, Web & E-Commerce, UI/UX, Network & Security and Mobile.
