3rd Line Infrastructure Support Engineer

• Act as a senior 3rd line technical specialist across infrastructure, applications and networks
• Investigate and remediate security vulnerabilities across Microsoft and Cisco environments
• Deliver server, endpoint and application patching activities
• Support Cisco networking, NAC, VLAN and access control initiatives
• Improve CMDB accuracy, asset visibility and service mapping
• Produce technical documentation, evidence packs and remediation plans
• Work closely with suppliers, service teams and stakeholders to drive remediation activity to completion

Cisco, Windows Administration, This is an excellent opportunity for a highly technical infrastructure professional with a strong security and remediation background. The successful candidate will play a key role in improving cyber resilience across a large, complex estate, working on vulnerability remediation, infrastructure hardening, patch management and operational security improvements., * Strong 3rd line infrastructure engineering background

• Experience with Windows Server, Active Directory, DNS, DHCP and Group Policy
• Microsoft 365, Entra ID and Intune expertise
• Knowledge of vulnerability management tools such as Tenable, Nessus or Microsoft Defender
• Experience with patch management and security remediation programmes
• Understanding of Cisco networking technologies, VLANs and NAC principles
• Familiarity with ITSM, CMDB and change management processes

Desirable Experience

• Retail, hospitality or multi-site environments
• Cisco ISE and network access control solutions
• PowerShell scripting and automation
• PCI DSS compliance environments
• Freshservice or similar ITSM platforms

This role would suit an experienced infrastructure engineer who enjoys solving complex technical challenges, hardening environments and delivering measurable security improvements within a large-scale organisation., * Cisco

• Windows Administration