DV Cleared 3rd line Application Support Engineer

Job Title: DV Cleared Senior Core Applications 3rd Line Engineer / Subject Matter Expert

Location: Portsmouth

Duration: Until 31/12/2026 with possible extension

Rate: Up to £500 per day via an approved umbrella company

Clearance: Must be willing and eligible to go through the DV Clearance process

Our purpose is to make the world more sustainable by building trust in society through innovation. As a Senior Core Applications Engineer, you will play a vital role in supporting our client's secure military systems, directly contributing to this mission.

• Managing and resolving escalated incidents on complex, secure systems, often remotely from 2nd line teams
• Delivering infrastructure development, testing upgrades, patches, and deploying new software solutions
• Owning problems and incidents, providing dependable support and solutions
• Contributing to exciting project work, especially if you are a subject matter expert in key technologies
• Collaborating with cross-functional teams to ensure system stability and security

• Proven experience with SharePoint (server management, permissions, application integration)
• Knowledge of VMWare Horizon View VDI and vSphere virtualization
• Strong scripting skills, particularly Power Shell
• Experience with Microsoft Server 2016/2022, Hyper-V, and Exchange 2016
• Familiarity with Group Policy management and Microsoft Skype Server
• A broad technical skill set with the ability to adapt and specialise in areas of expertise
• Dependability, problem ownership, and a proactive approach to support

• Experience working within secure, military or government environments
• A collaborative mindset and excellent communication skills

• Relevant certifications in Microsoft, VMware, or security are advantageous
• A background supporting secure, mission-critical systems

If you are a dedicated support professional with a broad technical background and a passion for solving complex problems, we want to hear from you!