> Markdown version of [/jobs/ext/3905356-lead-messaging-engineer-edv-cleared](https://www.wearedevelopers.com/jobs/ext/3905356-lead-messaging-engineer-edv-cleared). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Messaging Engineer (eDV Cleared) - **Company:** Searchability - **Location:** Cheltenham, United Kingdom - **Experience:** Expert - **Salary:** £50,000 - £75,000 - **Contract:** Permanent contract - **Skills:** Cluster Analysis, Collaborative Software, System Configuration, Microsoft Exchange Server, Skype for Business, Microsoft SharePoint, System Availability - **Published:** October 25, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5940351653 ## 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.