Senior Hybrid Exchange Engineer (Online & On-Prem)

Sonata Software; Warmley; On-site; GBP 65,000 - 95,000; Full time

Job summary

Sonata Software is seeking a highly experienced Exchange Hybrid Engineer in the United Kingdom to lead enterprise-level Exchange Online and On-Premises initiatives. You will architect, migrate, and support hybrid messaging environments and collaborate with security and identity teams to ensure resilient delivery.

The role emphasizes hands-on administration of Exchange Server 2016/2019/SE, Exchange Online, and related tooling, with a focus on high availability, security compliance, and

Qualifications

• 15-20 years of overall IT experience.
• Solid Exchange Online and Exchange On-Premises experience.
• Proven experience with Exchange Hybrid environments.
• Active SC Security Clearance.
• Excellent English communication skills.
• Strong customer-facing, technical writing, presentation and training skills.
• Experience working in enterprise/customer environments.

Responsibilities

• Administer and support Exchange Server 2016/2019/SE and Exchange Online.
• Design, implement and maintain Exchange Hybrid environments.
• Configure and troubleshoot HCW, hybrid mail flow and secure mail routing.
• Manage DAG, mailbox databases, transport services, connectors, certificates and virtual directories.
• Troubleshoot mail flow, Autodiscover, Outlook connectivity, mailbox access and authentication issues.
• Manage Exchange Online mailboxes, shared/resource mailboxes, distribution groups and Microsoft 365 Groups.
• Configure mail flow rules, retention, archiving and compliance policies.
• Support Exchange migrations between On-Premises and Exchange Online.
• Manage SPF, DKIM and DMARC configurations.
• Use PowerShell for administration and automation.

Skills

Exchange Online

Exchange Server 2016/2019/SE

Exchange Hybrid

HCW

DAG

Mail Flow / SMTP

Autodiscover

Exchange Connectors

Exchange Online Protection

Microsoft Defender for Office 365

SPF / DKIM / DMARC

Exchange Migration

PowerShell

Active Directory

Azure AD / Entra ID

Azure AD Connect

Hybrid Identity

High Availability

Disaster Recovery

Job description

Sonata Software is seeking a highly experienced Exchange Hybrid Engineer in the United Kingdom to lead enterprise-level Exchange Online and On-Premises initiatives. You will architect, migrate, and support hybrid messaging environments and collaborate with security and identity teams to ensure resilient delivery.

The role emphasizes hands-on administration of Exchange Server 2016/2019/SE, Exchange Online, and related tooling, with a focus on high availability, security compliance, and