Senior Infrastructure / Exchange Engineer

Location: Southwest London – 5 days onsite.

Start: Immediate preferred – 3/6 months

Overview

Our long-standing enterprise customer is hiring a hands-on contract role supporting Exchange, M365, hybrid-cloud and email security initiatives.

You’ll focus on migrations, endpoint management, and strengthening defences against phishing and spoofing threats.

Key Responsibilities

• Deliver Exchange & M365 hybrid-cloud migrations
• Implement and manage email security (Proofpoint, Defender/EOP, DKIM/SPF/DMARC)
• Lead anti-phishing, spoof intelligence & ZAP remediation
• Administer Intune, Azure / AVD, and support AWS integrations
• Investigate and remediate email security incidents

Required Skills

• Exchange (on-prem & Online) and M365