IT Systems Specialist

We're building something powerful. Let's build it together. We've delivered high-performance embedded computing solutions for four decades across industries including defence, telecoms, and aerospace. We're proud to be experts in what we do and are looking for more brilliant people to join our team.The RoleWe are seeking a versatile IT Systems Specialist to manage our core infrastructure and lead high-impact IT projects. This role bridges the gap between modern cloud services (M365/Azure) and robust on-premise systems, requiring a professional who is as comfortable designing a server cluster as they are.What will I be delivering?1. Modern Workplace & Endpoint Management * M365 Suite: Full administration of Microsoft 365, including Exchange Online, SharePoint, and Teams. * Security & Compliance: Manage Microsoft Defender for Endpoint and utilize Microsoft Intune for modern device management (MDM), application deployment, and OS update policies. * Identity: Administer Entra ID (Azure AD), ensuring secure identity lifecycle management and Conditional Access.2. On-Premise Infrastructure & Virtualization * Hypervisor Management: Hands-on administration and optimization of Hyper-V, VMware ESXi, and Proxmox environments. * Hardware Implementation: Lead the installation and maintenance of physical clusters, enterprise servers, SAN/NAS storage solutions, and robust WiFi networks. * ERP Administration: Act as the primary IT administrator for Dynamics Business Central (On-Premise), focusing on environment stability, permissions, and performance monitoring (application/IT side only).3. Security & Business Continuity * Network Security: Manage Sophos Central, including the configuration and monitoring of Sophos XGS Firewalls and Intercept X Endpoint protection. * Data Protection: Own the backup and disaster recovery strategy using Veeam Backup & Replication for both virtual and physical workloads.4. DevOps & Collaboration (Secondary Focus) * Tooling Support: Provide administrative support for on-premise Jenkins and GitLab instances to support development workflows. * SaaS Collaboration: Manage Atlassian Jira and Confluence (SaaS) for project tracking and internal documentation.What do I need to bring with me?Essential knowledge & experience: * Virtualization Expertise: Deep practical knowledge of VMware, Hyper-V, and Proxmox clusters. * Project Management: Proven experience in implementing end-to-end IT projects, from hardware racking to service go-live. * Network Security: Strong understanding of firewall rules, VPNs, and endpoint threat hunting (ideally with Sophos or similar). * Troubleshooting: Advanced 2nd/3rd line support skills for complex hybrid environments. * Communication: Ability to translate technical project requirements for non-technical stakeholders.Benefits for working at Concurrent * 25 days holidays + bank holidays and holiday purchase scheme. * Annual profit share bonus. * Cycle to work, Home & Tech and car salary sacrifice schemes. * Death in service benefit & income protection. * Employee assistance programme and virtual GP. * Employee referral scheme. * Enhanced parental leave. * Generous company pension scheme with up to 10% employer contribution. * One paid volunteering day per year. * Private Health Insurance through Bupa. * YuLife wellbeing app.Equal Opportunity StatementWe are an equal opportunity employer and believe in the power of a diverse, inclusive team. We welcome all applications from all suitably qualified people, regardless of race, sex, disability, religion / belief, sexual orientation or age. Please let us know if you require anything which would enable your success throughout our interview process.Security ClearancePlease be aware that certain roles working for Concurrent will be subject to security and export control restrictions. These specific roles are therefore subject to candidates being able to meet BPSS level pre-employment screening criteria.GDPRBy applying for this position, you acknowledge that your personal data will be processed in accordance with Concurrent's Data Protection Policy. We will use your information solely for recruitment purposes and will not share it with third parties without your consent. Your data will be stored securely and retained only as long as necessary for the recruitment process. You have the right to access, rectify, or delete your personal data at any time. For more information on how we handle your data, please refer to our Privacy Policy Similar jobs, Sales Director Portsmouth (Hybrid - 3 days in office post-induction) Competitive salary up to £100,000 base + team-based bonus Senior Leadership | High Impact | Strategic Growth RoleWhy Join Us?Strategic Ownership - Take full commercial responsibility for a high-growth,...

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