System Engineer (SYSE) — Technical Expert M365 Exchange

Colruyt IT Consultancy India; Coimbatore District; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

Colruyt IT Consultancy India is seeking a Senior System Engineer (SYSE) — Technical Expert M365 Exchange to drive setup, rollout, expansion and operational support of Exchange within the IT Service Center.

You will lead the transition from on-premises mail to Exchange Online, manage Hybrid deployments, automate with PowerShell, and ensure secure, scalable Microsoft 365 mail infrastructure across the organization.

Qualifications

• 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
• Experience with Hybrid Exchange deployments and migrations from on-premises to Exchange Online

Responsibilities

• Act as technical specialist for the rollout and support of the Exchange Online environment
• Co-design and implement a robust operational and support model for Hybrid Exchange and Exchange Online within the Service Center
• Provide 2nd- and 3rd-line technical support for Exchange and analyse incidents for continuous improvement

Skills

M365 Exchange

PowerShell scripting

Mail flow & security

Hybrid Exchange

Education

Bachelor's degree in IT/Computer Science

Tools

PowerShell

Microsoft Graph

Azure

Job description

System Engineer (SYSE) — Technical Expert M365 Exchange

System Engineer — Technical Expert M365 Exchange

Function title

System Engineer (SYSE) —Technical Expert M365 Exchange

Service Center

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 ServiceCenter Communication & Collaboration. You actively contribute to thetransition from a custom-built, on-premises mail and calendar solution toExchange 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 acustomer-oriented, efficient and effective way, so the continuity and secureand proper functioning of the enterprise mail platforms are guaranteed in thelong run.

The role combines project work, technical configuration, automation andoperational responsibility within a large-scale, business-critical Microsoft365 environment.

2. Responsibilities

Build &projects (system builder)

• Act as technicalspecialist for the rollout and support of the Exchange Online environment.
• Activelyparticipate in projects for the expansion and rollout of Exchange Online —including configuration, automation (e.g. PowerShell, scripting) andintegration with other Microsoft 365 services and surrounding systems.
• Contribute to the migration and transition fromthe on-premises, custom-built mail & calendar platform to Exchange Online,helping to ensure a stable and scalable cloud environment.

Operations& lifecycle management (system manager)

• Co-design and implement a robust operational andsupport model for Hybrid Exchange (Exchange Server SE) and Exchange Onlinewithin the Service Center.
• Support the fulllife cycle of the solution: install and maintain the environment (releasenotes, testing, bugfixes) and proactively monitor the systems, reportingobservations and KPIs to the stakeholders involved.
• Draw up optimization proposals and report your findingsto the application manager.
• Provide 2nd- and 3rd-line technical support forExchange within the Service Center.
• Analyse incidents and complex issues,pro-actively propose structural improvements, and ensure correct handling andfollow-up according to priorities, SLAs and SLEs.

Change &knowledge management

• Prepare, plan and execute changes according tothe change process, providing fall-back procedures and documentation.
• Documentsolutions, configurations and operational procedures, and build up theknowledge base.
• Share your M365 Exchangeknowledge with colleagues and help raise the overall expertise level within theService Center.
• Work closely with colleagues acrossCommunication & Collaboration, projects and operations, and act as point ofcontact for the assigned system.
• Have close contact with architects, systemengineers, and other 3 rd line profiles.
• Frequentalignment with internal stakeholders like our business contacts, productowners, operations and other IT teams.

Requirements

Skill set

Education & experience

• More than 7 years of experience as a SystemEngineer or in a similar technical role in M365 Exchange.
• Strong hands-on experience with Microsoft 365and Exchange Online administration in enterprise environments.

Technicalexpertise

• In-depth knowledge of Microsoft ExchangeOnline, Exchange Server SE and Hybrid Exchange deployments in enterpriseenvironments.
• Deep knowledge of mail flow and SMTP routing,email security and authentication (SPF, DKIM, DMARC), mail delivery andtroubleshooting.
• Strong experience with Exchange mail flowcomponents, including connectors, transport rules, MX records and message traceanalysis.
• Experience in mail security investigations,incident analysis and troubleshooting of complex messaging environments.
• Advanced PowerShell scripting skills, includingautomation, reporting, lifecycle management and Microsoft Graph integration.
• Proven experience with Exchange Hybriddeployments, coexistence scenarios and migrations from on-premises messagingenvironments to Exchange Online.
• Familiarity with Azure Communication Services(ACS) and its integration with Microsoft 365 communication and messagingsolutions.

Competencies & working style

• Analytical — you keep oversight and focus on the main lineswithout losing sight of the details and establish connections between data.
• Problem-solving — you enjoy tackling complexincidents and translating them into sustainable solutions. You are quick to makedecisions in critical incidents and elevate at the right time.
• Adaptable & innovation-oriented — youkeep up with the fast-evolving Microsoft 365 landscape and proactively identifyimprovement opportunities.
• Versatile — you feel comfortable in both a project-basedand an operational context.
• Autonomous & collaborative — you can workindependently while being a genuine team player.
• Communicative — you communicate clearly withboth 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 identifyingrisks and challenging decisions. You continuously develop your owncraftsmanship and know-how.