Title: Systems Engineer – Exchange/M365/Proofpoint

Location: Hybrid (NYC/Los Angeles)

Term: 6-Month Contract to hire, 110k~130k base after the conversion.

About The Role

We’re looking for a Senior Systems Engineer with deep expertise in on-premises Exchange, Microsoft 365, and Proofpoint to lead the management, optimization, and security of our enterprise email infrastructure. You’ll play a pivotal role in ensuring seamless email operations—from migrations to threat mitigation—while leveraging automation and best practices to uphold reliability and compliance.

What You’ll Do

• Design & Manage Email Systems:Deploy, maintain, and optimizeExchange Server (on-prem/hybrid)andMicrosoft 365environments, ensuring high availability and performance
• Lead Migrations:Execute smooth migrations between on-prem Exchange and M365 with minimal downtime and data integrity
• Secure Email Infrastructure:Configure and manageProofpointsolutions (filtering, encryption, DLP) and enforce protocols likeDMARC, DKIM, and SPF
• Troubleshoot & Protect:Resolve complex email flow issues, investigate security threats, and collaborate with security teams to mitigate risks
• Automate & Innovate:Streamline operations viaPowerShell scriptingfor Exchange, M365, and Proofpoint tasks
• Document & Guide:Maintain detailed system documentation and share best practices with cross-functional teams
  
  

What You Bring

• 7+ yearsof hands-on experience withExchange Server (2013–2019, Exchange Online)andMicrosoft 365in enterprise environments
• Proven mastery ofProofpointadministration (policies, threat protection, encryption)
• Strong scripting skills (PowerShell) and expertise inActive Directory/Azure ADfor identity management
• Deep knowledge ofemail security protocols(SPF, DKIM, DMARC) and anti-phishing measures
• Ability to work independently in aremotesetting, solving problems with minimal supervision
  
  

Nice-to-Haves

• Experience withtenant-to-tenant migrationsorMicrosoft Defender for Office 365
• Networking knowledge related to email traffic (SMTP, firewalls)
• Certifications likeMS-102, MS-203, or Proofpoint Certified Protection Professional
  
  

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