We are excited to announce a new opportunity for a Senior Infrastructure & Network Systems Engineer to join our Head Office team in Enfield. This role is essential to secure the design and operation of our hybrid on-prem and cloud infrastructure. Our commitment to equal opportunities ensures we value diversity.
Salary: £40,000 - 80,000 per year
Requirements
- Proficient in Linux and Windows Server 2016+ administration
- Experience with Proxmox virtualization
- Familiarity with Reverse Proxy Web Server Management
- Knowledge of Application Proxy Gateway
- Experience with cloud and hybrid server environments
- Understanding of ITIL frameworks and MDM platforms
- Proficient in Microsoft 365 and Exchange (Online / Hybrid)
- Experience with IIS and secure web server hosting
- Knowledge of identity integration (Knox, Intune, Azure AD / Entra ID)
- Experience with TrueNAS administration
- Knowledge of file services (SMB, NFS, iSCSI)
- Proficient in backup and recovery using Veeam systems
- Understanding of RADIUS authentication and policy generation
- Knowledge of PKI and server certificate management
- Experience with cross-platform identity integration
- Ability to design and segment networks
- Familiarity with Cisco and Ubiquiti hardware
- Knowledge of VPNs, secure connectivity, and access control
- Experience with Kubernetes cluster operations
- Knowledge of persistent storage integration
- Familiarity with certificate-based authentication
- Understanding of Zero Trust and defense-in-depth principles
- Knowledge of network and identity security, server and platform hardening
- Experience with monitoring, logging, and incident response
- Familiarity with ISO 27001 aligned practices
- CompTIA Network+ certification
- Vendor-agnostic networking skills
- Proficient in Linux, Windows, M365, and Cloud technologies
- Experience in customer-facing engineering (CE+)
Responsibilities
- Secure design and operation of hybrid on-prem and cloud infrastructure
- Provide technical support to internal colleagues and management
- Manage Linux and Windows Server 2016+ environments
- Oversee Proxmox virtualization activities
- Ensure effective reverse proxy web server management
- Support application proxy gateway operations
- Manage cloud and hybrid server environments
- Implement ITIL frameworks and MDM platforms
- Administer Microsoft 365 and Exchange (Online / Hybrid)
- Oversee IIS and secure web server hosting
- Manage identity integration solutions (Knox, Intune, Azure AD / Entra ID)
- Administer TrueNAS storage systems
- Manage file services including SMB, NFS, and iSCSI
- Handle backup and recovery processes using Veeam systems
- Oversee RADIUS authentication and policy generation
- Manage PKI and server certificate operations
- Implement cross-platform identity integration solutions
- Design and segment network infrastructures
- Work with Cisco and Ubiquiti hardware
- Manage VPNs and secure connectivity solutions
- Operate Kubernetes clusters and manage persistent storage
- Implement certificate-based authentication mechanisms
- Apply cybersecurity principles to network and identity security
- Perform monitoring, logging, and incident response activities
- Ensure compliance with ISO 27001 aligned practices
Technologies
- Azure
- Cloud
- Cisco
- Hardware
- Support
- ITIL
- Kubernetes
- Linux
- Microsoft 365
- Network
- NFS
- Security
- SMB
- Veeam
- Web
- Windows
- Office 365
- DevOps