Experis UK
3rd Line Support Engineer
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Role Title: 3rd Line Support Engineer (Messaging Specialist)
Location: Manchester / fully onsite
Duration: 6 initial months contract
Rate: £470 - £520
Clearance: BPSS required
MUST BE PAYE THROUGH UMBRELLA
Role Description
Job Description - Workplace Engineer - 3rd Line Support Microsoft 365 Engineer (Messaging Specialist)
We are seeking an experienced 3rd Line Support Microsoft 365 Engineer with strong expertise across the Microsoft 365 ecosystem and a specialization in Messaging and Collaboration Services. The successful candidate will act as a senior technical escalation point for complex incidents, problems, and service requests, providing expert-level support for Microsoft Exchange Online, mail flow, security, compliance, and hybrid messaging environments.
Your Skills And Experience
- Provide expert 3rd line support for enterprise messaging platforms
- Manage and troubleshoot complex email security, encryption, and compliance solutions.
- Investigate and resolve issues relating to:
- Email delivery and routing
- Secure email encryption
- Message hygiene and filtering
- Anti-spam and anti-phishing policies
- Data Loss Prevention (DLP)
- False positives and quarantine management
- Secure mail exchange with external partners
- Configure and support third-party messaging security gateways and email protection platforms.
- Work with Security Operations teams to investigate phishing campaigns, email spoofing attempts, malware incidents, and email-based threats.
- Support regulatory and compliance requirements through secure email and information protection technologies.
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Microsoft 365 Expertise & SharePoint Skills
- Strong hands-on experience with Microsoft 365 suite, including SharePoint Online, Teams, OneDrive, and Exchange.
- Expertise in M365 administration, configuration, and tenant management.
- Knowledge of security, compliance, and governance in M365 environments.
- Experience with Sharepoint site architecture, permissions, content management, and document libraries
- Expert-level knowledge of:
- Exchange Online
- Exchange Hybrid
- Exchange Online Protection (EOP)
- Microsoft Defender for Office 365
- Outlook and Outlook connectivity
- Mail flow management and transport rules
- SMTP and email routing
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- Hands-on administration and support of enterprise email security and governance platforms, including:
- Proofpoint - Mail gateway and security
- ClearSwift - Routing, DLP and content control
- Egress & PGP - Encryption and partner mail
If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website.
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