Lead Messaging Engineer (eDV Cleared)

Lead Messaging Engineer (eDV Cleared)

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• Locations: Cheltenham (on-site)
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• Salary: Up to £75,000 + car allowance + clearance bonus
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• To apply, email:
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We're looking for an experienced Lead Messaging Engineer to join a highly secure engineering team delivering mission-critical communication platforms that support national security operations.

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

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

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

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

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• Salary up to £75,000
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• Car allowance (or cash alternative)
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• Annual DV clearance retention bonus
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• 25 days' annual leave, with the option to buy up to an additional 10 days
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• Private medical insurance
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• 6% employer pension contribution
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Due to the nature of this role, applicants must hold active eDV clearance and be eligible to work from one of the listed locations on a full-time, site-based basis.

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