Senior Exchange & Microsoft 365 Engineer – Hybrid & Cloud

Sonata Software (SonataOne)

Singapore

Remote

SGD 120,000 - 180,000

Full time

3 days ago

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Job summary

Sonata Software is seeking a highly experienced Exchange Server, Hybrid and Microsoft 365 Customer Engineer for Singapore. The role focuses on designing, deploying, migrating, optimizing and troubleshooting complex messaging environments for enterprise and government customers, including on-premises Exchange, Hybrid configurations and Exchange Online.

The candidate will act as a trusted technical advisor, oversee migrations across multiple Exchange versions, and deliver health checks, risk

Qualifications

15+ years in customer-facing roles across systems architecture, administration, operations, IT consulting, and on-premises and cloud support for enterprise and government customers.
Proven track record delivering large Exchange migrations and hybrid deployments end to end.
BA/BS (or higher) in Information Technology or a related field, or equivalent experience.
Strong communication, presentation and interpersonal skills.

Responsibilities

Lead architecture, design, deployment and optimization of on-premises, hybrid and Exchange Online environments.
Plan and execute upgrades and migrations across Exchange versions (2010, 2013, 2016, 2019 and Exchange Server Subscription Edition) and to Exchange Online.
Configure and operate Exchange Hybrid, including the Hybrid Configuration Wizard, Modern/Classic Hybrid, free/busy, mail flow and coexistence.
Design high availability and disaster recovery using DAGs, load balancing, namespaces and certificates.
Resolve complex, critical-severity issues with root-cause analysis and clear remediation plans.
Deliver health checks, risk assessments, workshops and knowledge transfer to customer teams.
Secure messaging environments and advise on compliance, retention and Microsoft 365 governance.
Automate administration and reporting with PowerShell and Microsoft Graph.