Lead Messaging Engineer (eDV Cleared)

This is a fantastic opportunity for someone with strong Microsoft messaging expertise who enjoys working in a structured, highly regulated environment. You’ll take ownership of secure on-premise messaging platforms throughout their full lifecycle, from design and implementation through to ongoing support, optimisation and continuous improvement.

Working as part of a collaborative technical team, you’ll also have the opportunity to broaden your expertise across a wider messaging capability, making this role particularly well suited to candidates from defence, military or other secure communications backgrounds.

What you’ll be doing

• Designing, building, configuring and deploying secure on-premise messaging and collaboration platforms.
• Managing and supporting critical messaging infrastructure, ensuring high availability, resilience and performance.
• Troubleshooting complex technical issues across messaging and infrastructure technologies.
• Leading or contributing to technical project delivery within a structured governance framework.
• Driving service improvements, operational efficiency and platform optimisation.
• Supporting knowledge sharing and mentoring across the wider messaging team.

• Active eDV clearance (essential).
• Strong experience administering Microsoft Exchange On-Premise environments.
• Hands-on experience with SharePoint Server Subscription Edition (SPSE).
• Experience supporting Skype for Business within enterprise environments.
• Strong infrastructure knowledge, including administration, troubleshooting, clustering and hardware evaluation.
• Experience working within highly governed environments with strict service level agreements.

Desirable experience

• Experience with X.400 messaging, particularly within military or highly secure environments.
• Microsoft certifications (or equivalent) across messaging or infrastructure technologies.
• Strong technical documentation skills, including operational procedures and user guidance.