Manager, M365 Exchange Online / Exchange Server

Merck; Singapore; Hybrid; SGD 80,000 - 120,000; Full time

Job summary

A global healthcare biopharma company based in Singapore is looking for a Manager for M365 Exchange Online and Exchange Server. You will enhance the infrastructure of the email platform utilizing Microsoft technologies and ensure operational excellence by managing incidents, troubleshooting email issues, and supporting Exchange environments. The ideal candidate should have a strong background with Office 365, Exchange administration, and excellent communication skills.

Qualifications

• 8+ years of practical experience with Microsoft Office 365 and Exchange 2010/2013.
• Ability to author high-quality technical documents.
• Experience with Exchange Online/On-Premises Exchange 2016 or later.

Responsibilities

• Provide core administration and escalation support for messaging services.
• Troubleshoot and administer MS Exchange servers, including resolving mail flow issues.
• Manage incidents and problems, ensuring ongoing operational excellence.

Skills

Microsoft Office 365 Administration

Exchange Server 2016+

PowerShell scripting

Cisco IronPort

Mail Management

Business Continuity

Attention to detail

Effective communication

Education

BSc or MSc in Computer Science or related discipline

Tools

Microsoft Intune

Cisco Email Security

Job description

Overview

Manager, M365 Exchange Online / Exchange Server

Based in Hyderabad, join a global healthcare biopharma company with a 130-year legacy of success backed by ethical integrity and a mission to advance global health. This role supports a data-driven technology environment focused on a diversified portfolio of prescription medicines, vaccines, and animal health products. You will contribute to innovation and execution excellence by leveraging data, analytics, and insights to drive decision-making and support custom software development that tackles global health challenges.

Our Technology Centers focus on delivering business solutions that save and improve lives. Tech Centers are globally distributed to enable digital transformation and drive business outcomes, with leadership aimed at growth, success, well-being, and belonging across IT divisions.

Role Overview

You will maintain and enhance the infrastructure and delivery of our email platform, working with Microsoft technologies (Azure, Office 365, ATP, Microsoft Intune, Exchange Server, Active Directory) and third-party email gateway solutions. A user-centric mindset and collaboration with international teams are essential.

What you will do

• Provide core administration and escalation support for messaging services, focusing on Cisco IronPort and Microsoft EOP/ATP in a globally distributed O365 cloud environment.
• Collaborate with engineers and operations staff to test, implement, and transition new services or upgrades to existing core email security services, focusing on Cisco IronPort, Exchange, and the O365 space.
• Troubleshoot and administer MS Exchange servers (2016 and above), including resolving mail flow issues in hybrid environments.
• Manage incidents and problems, ensuring ongoing operational excellence of environments, infrastructure consolidation/expansion, and release/patch management, including developing and executing production support procedures such as business continuity and disaster recovery.
• Proactively anticipate service issues before they occur and make recommendations for resolution.
• Participate in projects as a subject matter expert as needed.
• Develop and execute production support procedures, including business continuity and disaster recovery plans.
• Manage Exchange Online mailboxes, including configuration of settings, mailbox quotas, inbox rules, and PowerShell usage.
• Participate in projects related to knowledge base creation to help reduce service desk incidents.
• Provide support for Exchange Online email environments and email security/hygiene-related issues.
• Support Outlook Client and OWA, group management products, and user account management and troubleshooting.
• Provide support for Microsoft Intune and Outlook in mobile.

What should you have

• BSc or MSc in Computer Science or related discipline.
• 8+ years of practical experience with configuration/deployment/support of Microsoft Office 365 and Exchange 2010/2013.
• Ability to author high-quality technical documents.
• Experience with Exchange Online/On-Premises Exchange 2016 or later.
• Experience with Email archiving & Email Reporting services.
• Knowledge of MS Exchange Transport Rules, MS Defender-Email & Collaboration, Cisco Email Security (IronPort) or other email security gateway products.
• Proficiency in PowerShell scripting.
• Experience with Mailbox Management and Distribution & Office365 group management.
• Experience with Outlook Apps integration.
• Application integration and deployment with Email Services.
• Basic understanding of DNS, network firewall, and load balancer concepts.
• Experience with Internet gateways and message filtering/system hygiene.
• Experience with providing support for Exchange Online email environments and email security/hygiene-related issues.
• Understanding of complex globally distributed email environments and internet email routing concepts.
• Effective communication and collaboration skills.
• Ability to build and maintain critical networks and relationships across the enterprise.
• Attention to detail and the ability to follow through; good organizational skills with minimal supervision.

Preferred Skills and Qualifications

• Programming / Scripting knowledge is a plus (PowerShell, Wise Studio, AutoIt, VBScript, XML, CMD/Batch).

Company context

Our technology teams operate as business partners, delivering services and solutions that enable productivity and innovation. We are Merck & Co., Inc., Rahway, NJ, USA (Merck Sharp & Dohme LLC outside the US). We have a long history of invention and continue to advance health solutions worldwide.

What we look for

We value empathy, creativity, digital mastery, and collaboration in a diverse team. If you are curious and ready to make an impact, join us.

Administrative

#HYDIT2025

Required Skills: Accountability, Audit Management, Business Continuity, Business Process Improvements, Cisco IronPort, Computer Science, Customer Experience Management, Data Modeling, Disaster Recovery Planning, Governance Management, Incident Handling, Information Systems Strategy, Mail Management, Management Process, Office 365 Administration, Office 365 Implementation, Power Shell Scripting, Production Management, Production Support, Quality Assurance (QA), Stakeholder Relationship Management, VBScript

Preferred Skills: Current Employees apply HERE; Current Contingent Workers apply HERE

Legal and notice

Search Firm Representatives Please Read Carefully: Merck & Co., Inc. does not accept unsolicited assistance from search firms for employment opportunities. All CVs/resumes submitted by search firms without a valid written agreement will be the property of the company. No fee will be paid where no agreement exists.

Other details

Employee Status: Regular

Relocation:

VISA Sponsorship:

Travel Requirements:

Flexible Work Arrangements: Hybrid

Shift:

Valid Driving License:

Hazardous Material(s):

Job Posting End Date: 12/4/2025

A job posting is effective until 11:59:59PM on the day before the listed job posting end date. Please apply no later than the day before the end date.