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M365 Messaging & Collaboration SME – HSSME

Job in West of England, Bristol, Bristol County, BS1, England, UK
Listing for: Proactive IT
Full Time position Listed on 2026-11-08
Job specializations:
Salary/Wage Range or Industry Benchmark: 550 - 615 GBP Daily GBP 550.00 615.00 DAY

Job Description & How to Apply Below

Position: M365 Messaging & Collaboration SME – 11929HSSME
Location: West of England

11929

HSSME
£550 – 615 per day

M365 Messaging & Collaboration SME

Inside IR35 – 4 days onsite

We are working with a leading organisation to recruit an experienced Microsoft 365 Messaging & Collaboration SME to join its Digital Engineering team.

This is an excellent opportunity for a hands‑on Microsoft 365 specialist with strong experience across Exchange Online, Microsoft Teams, Microsoft Purview and enterprise email security solutions.

You will be responsible for engineering, maintaining and improving business‑critical messaging and collaboration services, providing advanced technical support and delivering platform enhancements across a complex enterprise environment.

We are looking for someone who enjoys working hands‑on with technology, resolving complex issues and acting as a technical subject matter expert.

Key Responsibilities

Microsoft 365 Engineering

  • Engineer, configure and maintain Microsoft 365 messaging and collaboration services.
  • Administer and support Exchange Online, including mail flow, transport rules, shared mailboxes and permissions.
  • Configure, maintain and troubleshoot Microsoft Teams.
  • Support Exchange Hybrid environments, migrations and tenant optimisation.
  • Implement platform improvements and new Microsoft 365 capabilities.

Security & Compliance

  • Manage Microsoft Defender for Office 365, Exchange Online Protection and Proofpoint.
  • Configure email security, anti‑spam, anti‑phishing and threat protection policies.
  • Support Microsoft Purview, including DLP, Information Protection, Retention and eDiscovery.
  • Maintain email authentication standards, including SPF, DKIM and DMARC.
  • Work with Cyber Security teams to improve Microsoft 365 security and compliance.

Technical Support & Operations

  • Provide Tier 3 technical support and act as an escalation point for complex issues.
  • Troubleshoot Exchange Online, Teams, mail flow and email security incidents.
  • Perform root cause analysis and implement permanent solutions.
  • Monitor service performance, availability and platform health.
  • Support incident, problem and change management.
  • Maintain technical documentation and operational procedures.

Automation & Improvement

  • Develop Power Shell scripts to automate Microsoft 365 administration.
  • Use Microsoft Graph and administration tools to improve operational efficiency.
  • Identify opportunities for automation and service improvement.
  • Support Microsoft 365 Copilot readiness and emerging technologies.
Essential Skills & Experience
  • Minimum 5 years’ experience engineering and supporting Microsoft 365 environments.
  • Strong hands‑on experience with Exchange Online administration and troubleshooting.
  • Extensive Microsoft Teams configuration and support experience.
  • Practical experience with Microsoft Purview, including DLP and compliance policies.
  • Experience with Microsoft Defender for Office 365 and Exchange Online Protection.
  • Knowledge of enterprise email security platforms, ideally Proofpoint.
  • Experience supporting Exchange Hybrid environments and migrations.
  • Good understanding of Microsoft Entra  Conditional Access.
  • Experience with Microsoft Intune.
  • Strong Power Shell scripting and automation skills.
  • Experience using Microsoft Graph.
  • Good understanding of SMTP, DNS, SPF, DKIM and DMARC.
  • Proven experience providing Tier 3 support within enterprise environments.
Desirable Experience
  • Microsoft 365 Copilot implementation and readiness.
  • Teams Telephony.
  • SharePoint Online and One Drive administration.
  • Azure Automation and Logic Apps.
  • Microsoft Power Platform.
  • Zero Trust security initiatives.
  • Global or multi‑tenant Microsoft 365 environments.
  • ITIL service management and Agile delivery.

M365 Messaging & Collaboration SME

Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted.

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