System Engineer (SYSE) — Technical Expert M365 Exchange

Role overview

System Engineer (SYSE) — Technical Expert M365 Exchange at Colruyt Group India

The role combines project work, technical configuration, automation and operational responsibility within a large-scale, business-critical Microsoft 365 environment. 2.

Responsibilities

• Contribute to the migration and transition from the on-premises, custom-built mail & calendar platform to Exchange Online, helping to ensure a stable and scalable cloud environment.
• Prepare, plan and execute changes according to the change process, providing fall-back procedures and documentation.

Employment details

• Co-design and implement a robust operational and support model for Hybrid Exchange (Exchange Server SE) and Exchange Online within the Service Center.
• In-depth knowledge of Microsoft Exchange Online, Exchange Server SE and Hybrid Exchange deployments in enterprise environments.
• Location: Coimbatore [India]

Application details

• Draw up optimization proposals and report your findings to the application manager.

Additional role details

• System Engineer — Technical Expert M365 Exchange Function title System Engineer (SYSE) — Technical Expert M365 Exchange Service Center IT Service Center Communication & Collaboration (Colruyt Group IT) Level Senior 1.
• Assignment As a Technical Expert M365 Exchange, you take a key role in the set-up, rollout, expansion and operational support of Microsoft Exchange within the IT Service Center Communication & Collaboration.
• You actively contribute to the transition from a custom-built, on-premises mail and calendar solution to Exchange Online and a Microsoft-centred digital workplace.
• Like every system engineer at Colruyt Group, you make sure IT systems work together optimally.
• You monitor, support, build, integrate and manage your assigned infrastructure system in a customer-oriented, efficient and effective way, so the continuity and secure and proper functioning of the enterprise mail platforms are guaranteed in the long run.
• Responsibilities Build & projects (system builder)
• Act as technical specialist for the rollout and support of the Exchange Online environment.
• Actively participate in projects for the expansion and rollout of Exchange Online — including configuration, automation (e.g. PowerShell, scripting) and integration with other Microsoft 365 services and surrounding systems.
• Operations & lifecycle management (system manager)
• Support the full life cycle of the solution: install and maintain the environment (release notes, testing, bugfixes) and proactively monitor the systems, reporting observations and KPIs to the stakeholders involved.
• Incident & support management
• Provide 2nd- and 3rd-line technical support for Exchange within the Service Center.
• Analyse incidents and complex issues, pro-actively propose structural improvements, and ensure correct handling and follow-up according to priorities, SLAs and SLEs.
• Change & knowledge management
• Document solutions, configurations and operational procedures, and build up the knowledge base.
• Share your M365 Exchange knowledge with colleagues and help raise the overall expertise level within the Service Center.
• Collaboration & Stakeholder management
• Work closely with colleagues across Communication & Collaboration, projects and operations, and act as point of contact for the assigned system.
• Have close contact with architects, system engineers, and other 3rd line profiles.
• Frequent alignment with internal stakeholders like our business contacts, product owners, operations and other IT teams.
• Requirements Skill set Education & experience
• More than 7 years of experience as a System Engineer or in a similar technical role in M365 Exchange.
• Strong hands-on experience with Microsoft 365 and Exchange Online administration in enterprise environments.
• Technical expertise
• Deep knowledge of mail flow and SMTP routing, email security and authentication (SPF, DKIM, DMARC), mail delivery and troubleshooting.
• Strong experience with Exchange mail flow components, including connectors, transport rules, MX records and message trace analysis.
• Experience in mail security investigations, incident analysis and troubleshooting of complex messaging environments.
• Advanced PowerShell scripting skills, including automation, reporting, lifecycle management and Microsoft Graph integration.
• Proven experience with Exchange Hybrid deployments, coexistence scenarios and migrations from on-premises messaging environments to Exchange Online.
• Familiarity with Azure Communication Services (ACS) and its integration with Microsoft 365 communication and messaging solutions.
• Competencies & working style
• Analytical — you keep oversight and focus on the main lines without losing sight of the details and establish connections between data.
• Problem-solving — you enjoy tackling complex incidents and translating them into sustainable solutions.
• You are quick to make decisions in critical incidents and escalate at the right time.
• Adaptable & innovation-oriented — you keep up with the fast-evolving Microsoft 365 landscape and proactively identify improvement opportunities.
• Versatile — you feel comfortable in both a project-based and an operational context.
• Autonomous & collaborative — you can work independently while being a genuine team player.
• Communicative — you communicate clearly with both technical and non-technical stakeholders.
• Ownership — you take end-to-end responsibility for the stability, security and quality of the mail platforms.
• You are proactive in identifying risks and challenging decisions.
• You continuously develop your own craftsmanship and know-how.
• Languages
• Fluent in English