Back to jobs

    3rd Line Support Engineer

    Technology
    Experis
    Manchester, City
    Contract
    Competitive
    On-Site

    Job Description

    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:

    o Email delivery and routing o Secure email encryption o Message hygiene and filtering o Anti-spam and anti-phishing policies o Data Loss Prevention (DLP) o False positives and quarantine management o 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.

    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: o Exchange Online o Exchange Hybrid o Exchange Online Protection (EOP) o Microsoft Defender for Office 365 o Outlook and Outlook connectivity o Mail flow management and transport rules o SMTP and email routing 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.

    Posted on August 12, 2026

    Similar Jobs

    Explore similar searches

    Browse more roles related to 3rd Line Support Engineer.

    Hyra

    Join the Hyra Community

    Get weekly career insights, job alerts, and exclusive content delivered to your inbox.

    Weekly updatesUnsubscribe anytimePrivacy guaranteed