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# Lead Messaging Engineer (eDV Cleared)

- **Company:** NSD
- **Location:** Cheltenham, UK
- **Experience:** Expert
- **Salary:** £75,000.0
- **Contract:** Permanent contract
- **Skills:** Cluster Analysis, Collaborative Software, System Configuration, Microsoft Exchange Server, Skype for Business, Microsoft SharePoint, System Availability
- **Published:** July 3, 2026
- **Apply:** https://www.totaljobs.com/job/messaging-engineer/nsd-job107631492

## About the Role

* 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.

## Description

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.


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