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Memorial Sloan Kettering Cancer Center (MSKCC) is seeking a Senior Infrastructure Engineer - Email Administration to support our Advanced Technologies team. This role is responsible for securing and operating mission-critical email services in a highly regulated healthcare environment, ensuring reliability, compliance, and protection of patient information.

Role Overview

• Design, implement, and optimize scalable, secure enterprise email infrastructure across hybrid environments

• Administer Microsoft 365 Messaging and Exchange Server (2016/2019/SE) to ensure high availability and performance

• Implement and manage SPF, DKIM, and DMARC to prevent spoofing and business email compromise

• Configure and maintain Microsoft Purview compliance tools, including DLP and information protection

• Develop and maintain PowerShell automation for administration, reporting, and configuration management

• Leverage Power Automate to streamline workflows and integrate email processes with hospital systems

• Monitor email health, security posture, and message flow; resolve complex routing and delivery issues

• Participate in 24/7 on-call rotation to support critical messaging incidents impacting patient care

• Lead or support email-related initiatives including migrations, upgrades, hybrid configurations, and security enhancements

Key Qualifications

• 5+ years of hands-on experience engineering and administering enterprise email platforms

• Deep expertise with Microsoft Exchange (hybrid and/or Exchange Online) in regulated environments

• Proven experience with email security gateways, preferably Proofpoint solutions

• Strong working knowledge of HIPAA requirements related to email and PHI protection

• Advanced PowerShell scripting experience for automation and operational efficiency

• Experience supporting high-availability messaging systems in healthcare or similar regulated industries

Core Skills

• Strong analytical and troubleshooting capabilities across cloud and on-premises environments

• Ability to design secure solutions aligned with compliance and regulatory standards

• Effective collaboration with security, compliance, clinical, and application teams

• Ownership mindset with the ability to manage incidents and priorities under pressure

• Clear documentation and communication skills to support audits, runbooks, and knowledge sharing

Additional Information:

• Schedule: 9:00 AM - 5:00 PM EST, Monday - Friday

• Location: Hybrid 1-2 times a month ; 633 Third Avenue, New York, NY (twice a week)

• Reporting To Manager I, Infrastructure

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