Sr. Lead - Arch Solutions

About Northern Trust:

Northern Trust, a Fortune 500 company, is a globally recognized, award-winning financial institution that has been in continuous operation since 1889.

Northern Trust is proud to provide innovative financial services and guidance to the world’s most successful individuals, families, and institutions by remaining true to our enduring principles of service, expertise, and integrity. With more than 130 years of financial experience and over 22,000 partners, we serve the world’s most sophisticated clients using leading technology and exceptional service.

Job Title:

Senior Lead – Messaging Services

Department:

IT Infrastructure – Messaging & Collaboration

Location:

Hybrid – Pune

Position Summary

The Senior Lead – Messaging Services is responsible for managing, designing, and optimizing the enterprise email and messaging infrastructure. This role ensures the reliability, security, and compliance of messaging platforms and provides technical leadership for strategic initiatives such as Exchange EOL/EOS decommissioning, email address transformation, and M365 compliance posture enhancements.

The position requires deep technical expertise in Microsoft Exchange (On-prem & Online), Office 365 Purview, Proofpoint, and related security services. The successful candidate will lead complex projects, mentor junior staff, and act as the technical lead during major incidents impacting messaging services.

Key Responsibilities

• Design, implement, and maintain enterprise messaging platforms including Microsoft Exchange Server, Exchange Online, and Proofpoint.
• Manage compliance and governance configurations in Office 365 Purview (retention, auditing, DLP, eDiscovery, information protection).
• Ensure system reliability, performance optimization, and adherence to security and compliance requirements.
• Oversee hybrid Exchange environments and integration with Azure AD and Microsoft 365 services.
• Lead projects for migrations, upgrades, and modernization of messaging and collaboration tools.
• Collaborate with Information Security and Compliance teams to align messaging infrastructure with regulatory standards.
• Troubleshoot and resolve complex issues related to email flow, routing, transport rules, and spam/phishing protection.
• Provide technical leadership and mentoring to junior administrators and support engineers.
• Drive strategic initiatives:
  • Email Address Transformation and Routing Simplification, including remediation of vulnerabilities.
  • M365 Privileged Access Controls Posture Enhancements.
  • Global engineering lead for Microsoft Purview eDiscovery, coordinating with Legal/eDiscovery teams.
  • Exchange EOL/EOS decommissioning and litigation hold transitions for 1,400+ partner mailboxes.
  • Critical infrastructure upgrades, including Exchange SE installations and encryption policy governance.
• Maintain comprehensive documentation for architecture, processes, and operational procedures.

Required Qualifications

Education

• Bachelor’s Degree in Computer Science, Information Technology, or related field (Master’s preferred).

Certifications (Preferred)

• Microsoft 365 Certified: Messaging Administrator Associate
• Microsoft Certified: Security Administrator Associate
• Proofpoint Certified Engineer (PCE) or equivalent

Experience

• 15+ years in enterprise messaging administration and support, with 5+ years in a senior or lead role.
• Expertise in:
  • Microsoft Exchange Server (2019) and Exchange Online (M365)
  • Office 365 Purview (Compliance Center)
  • Proofpoint Email Security & Archiving Solutions
  • Microsoft 365 Security & Compliance frameworks
• Strong understanding of SMTP, DNS, SPF/DKIM/DMARC, transport rules, and email routing.
• Hands-on experience with PowerShell scripting for automation and administration.
• Experience managing hybrid deployments and large-scale tenant-to-tenant migrations.
• Familiarity with Intune, Azure AD, and Microsoft Defender for Office 365 is a plus.
• Proven ability to lead cross-functional teams and manage complex technical projects.
• Excellent problem-solving, documentation, and communication skills.

Competencies

• Technical Leadership: Ability to guide teams and resolve complex technical challenges.
• Project Management: Skilled in planning and executing large-scale migrations and upgrades.
• Compliance & Security Awareness: Strong understanding of regulatory requirements and security best practices.
• Collaboration: Effective communication and partnership with cross-functional teams.
• Incident Management: Ability to lead during high-severity outages and remediation efforts.

Why This Role is Critical

This position is essential to maintain continuity of engineering support for the bank’s messaging infrastructure and mitigate operational and compliance risks. The role ensures:

• Ongoing support for critical email services.
• Execution of high-impact initiatives tied to security, compliance, and modernization.
• Leadership during major incidents affecting messaging services.

Working with Us:

As a Northern Trust partner, greater achievements await. You will be part of a flexible and collaborative work culture in an organization where financial strength and stability is an asset that emboldens us to explore new ideas.

Movement within the organization is encouraged, senior leaders are accessible, and you can take pride in working for a company committed to assisting the communities we serve! Join a workplace with a greater purpose.

We’d love to learn more about how your interests and experience could be a fit with one of the world’s most admired and sustainable companies! Build your career with us and apply today. #MadeForGreater

Reasonable accommodation

Northern Trust is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please email our HR Service Center at MyHRHelp@ntrs.com.

We hope you’re excited about the role and the opportunity to work with us. We value an inclusive workplace and understand flexibility means different things to different people.

Apply today and talk to us about your flexible working requirements and together we can achieve greater.

About Our Pune Office

The Northern Trust Pune office, established in 2016, is now home to over 3,000 employees. The office handles various functions, including Operations for Asset Servicing and Wealth Management, as well as delivering critical technology solutions that support business operations across the globe.

Our Pune team takes our commitment to service to heart. In 2024, they volunteered more than 10,000+ hours into the communities where they live and work. Learn more.