SC Cleared Network Engineer

We are seeking an experienced SC Cleared Network Engineer with strong HPE Aruba expertise to support a major IT infrastructure and transformation programme with a leading global technology services consultancy, working within a secure enterprise environment. * Inside IR35 | Active SC Clearance Required | Sole UK Nationals This is a hands-on technical role focused on the design, implementation, management and optimisation of enterprise LAN and WLAN infrastructure, ensuring highly available, resilient and secure network services.

Key Responsibilities

Design, deploy, configure and support HPE Aruba network infrastructure across enterprise campus and branch environments. Manage Aruba CX and ArubaOS switching, wireless access points and mobility controllers. Administer Aruba Central for network monitoring, performance management and reporting.

Configure and manage Aruba ClearPass, including NAC, 802.1X, RADIUS, TACACS+ and certificate-based authentication. Support enterprise WLAN design, wireless surveys, coverage assessments and performance optimisation. Troubleshoot complex LAN, WLAN, routing, switching and network authentication issues.

Perform network upgrades, patching, migrations and life cycle management. Conduct root cause analysis and implement permanent fixes. Support network transformation and continuous improvement activities within an ITIL environment. Essential Technical

Skills & Experience

Minimum 5 years' experience supporting enterprise network environments. Strong hands-on HPE Aruba networking experience. Aruba CX and ArubaOS switching. Aruba wireless solutions, access points and mobility controllers. Aruba Central administration and management.

Aruba ClearPass Policy Manager and Network Access Control (NAC). Enterprise WLAN design, configuration and troubleshooting. Strong understanding of TCP/IP, VLANs, BGP, OSPF, DNS, DHCP, Layer 2/3 and network resilience. Experience with 802.1X, RADIUS, TACACS+ and network segmentation.

Strong incident management, troubleshooting and ITIL service delivery experience.

Desirable

Aruba AirWave and SD-Branch. Wireshark, SolarWinds, PRTG or similar monitoring tools. Network automation using Python, Ansible or REST APIs. Experience in large-scale, multi-site enterprise or secure environments. Aruba professional certifications or equivalent hands-on experience.

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