Senior Infrastructure Engineer – Email Administration

Memorial Sloan Kettering Cancer Center • New York, NY

1d • Hybrid

About The Position

The people of Memorial Sloan Kettering Cancer Center (MSK) are united by a singular mission: ending cancer for life. Our specialized care teams provide personalized, compassionate, expert care to patients of all ages. Informed by basic research done at our Sloan Kettering Institute, scientists across MSK collaborate to conduct innovative translational and clinical research that is driving a revolution in our understanding of cancer as a disease and improving the ability to prevent, diagnose, and treat it. MSK is dedicated to training the next generation of scientists and clinicians, who go on to pursue our mission at MSK and around the globe. 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.

Requirements

• 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
• 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

Responsibilities

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed
• Number of Employees: 1,001-5,000 employees