Lead, Enterprise Operations - Messaging
$122k - $207kMastercard
Lead, Enterprise Operations - Messaging
Overview
The Employee Digital Experience team is seeking a Lead Messaging & Collaboration Engineer to own and evolve Mastercard’s enterprise email ecosystem across Microsoft Exchange Online, Proofpoint, and Microsoft Purview.
This role is critical to ensuring secure, compliant, and highly available messaging services that support global operations at scale. The position will drive modernization of the messaging platform, improve customer experience, and strengthen enterprise security posture.
The individual will work in close partnership with Collaboration Tools Team and Enterprise Operations to deliver platform stability, operational excellence, and continuous innovation across email, security, and compliance domains.
• Drive configuration, routing, tenant optimization, and platform scalability for global email services
• Lead email security capabilities leveraging Proofpoint and Microsoft security tools, including spam filtering, phishing protection, and threat detection
• Define and implement messaging security policies, including quarantine, digest, and filtering strategies
• Partner with Security to deliver compliance capabilities using Microsoft Purview (e.g., legal hold, retention, data protection)
• Ensure platform reliability by leading incident response, troubleshooting delivery issues, and managing service disruptions across the messaging ecosystem
• Serve as the primary technical interface with Microsoft and Proofpoint, driving roadmap alignment and feature adoption
• Develop automation, runbooks, and operational standards to improve efficiency and reduce manual effort
• Support high-volume enterprise messaging workloads and continuously optimize performance and throughput
• Work in close partnership with team members to align platform engineering with operational execution and governance All About You • Deep expertise in Microsoft Exchange Online, including hybrid environments and enterprise-scale deployments
• Strong experience with email security platforms such as Proofpoint and/or Microsoft Defender for Office 365
• Working knowledge of Microsoft Purview, including compliance, retention, and eDiscovery capabilities
• Strong understanding of email protocols and standards (SMTP, SPF, DKIM, DMARC)
• Proven experience managing large-scale messaging environments and resolving complex production issues
• Experience partnering with Security teams to implement and enforce enterprise controls and policies
• Ability to operate in high-volume, high-availability environments with a focus on reliability and performance
• Strong analytical and problem-solving skills with an ability to troubleshoot complex, cross-platform issues
• Experience working with external vendors and driving technical outcomes through partnerships
• Demonstrated ability to automate operational processes and drive continuous improvement
• Strong collaboration skills and ability to work effectively across Engineering, Operations, and Security teams
Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact View email address on decentrajobs.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.
Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
- Abide by Mastercard’s security policies and practices;
- Ensure the confidentiality and integrity of the information being accessed;
- Report any suspected information security violation or breach, and
- Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.
In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.
Pay RangesO'Fallon, Missouri: $122,000 - $207,000 USD
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