Principal Sales Engineer Location: Remote (UK-based) with travel to customer sites Salary: circa £140k % bonus + car allowance + extensive benefits package (DV cleared) Clearance Requirement: SC if willing to go through DV process Our client is at the forefront of digital transformation, supporting the world s most essential organisations through their most complex digital challenges. By providing visibility and insight at an unparalleled scale they help clients solve problems faster, secure what matters, and drive continuous innovation across their digital ecosystems. We are now seeking a Principal Sales Engineer to support the growth of UK public sector accounts. This is a remote, client-facing role for a highly technical and experienced presales professional with a strong Government/Public Sector background and current DV clearance. Key Requirements Essential skills and experience: 15+ years experience in IT, with at least 10 years in presales, network engineering, or technical support with demonstrable success supporting UK Government or public sector clients Strong expertise in: Cisco routing, switching, gateways, and applications TCP/IP, SNMP, Netflow, VoIP LAN/WAN topologies (MPLS, Frame Relay, ATM) Security concepts and network infrastructure design Network performance and fault/alert management Solid understanding of: Operating systems Linux, Windows Cloud and virtualisation technologies SDN/NFV, Public/Private Cloud Performance tools HP/OV, Tivoli, EMC SMARTS