Principal Sales Engineer\n\nLocation: Remote (UK-based) - with travel to customer sites\n\nSalary: £(phone number removed)-£(phone number removed) +20% bonus + car allowance + extensive benefits package\n\nClearance Requirement: DV (Developed Vetting) - required\n\nPlease note: Candidates with only current SC clearance will be considered only in exceptional cases and must be eligible and willing to undergo full DV clearance.\n\nOur 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.\n\nWe 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.\n\nKey Requirements\n\nWe are looking for a client-facing technical expert with deep presales experience, capable of operating in complex and secure environments.\n\nEssential skills and experience:\n\n15+ years' experience in IT, with at least 10 years in presales, network engineering, or technical support\nDemonstrable success supporting UK Government or public sector clients\nAbility to translate technical challenges into clear commercial value\nStrong expertise in:\nCisco routing, switching, gateways, and applications\nTCP/IP, SNMP, Netflow, VoIP\nLAN/WAN topologies (MPLS, Frame Relay, ATM)\nSecurity concepts and network infrastructure design\nNetwork performance and fault/alert management\nSolid understanding of:\nOperating systems - Linux, Windows\nCloud and virtualisation technologies - SDN/NFV, Public/Private Cloud\nPerformance tools - HP/OV, Tivoli, EMC SMARTS, ArcSight\nRelevant certifications - CCNA, CCNP, CCIE\nFormal presales training (e.g.

Sandler, Siebel, Afterburner)\nExcellent communication and presentation skills - verbal, written, and visual\nComfortable with 60-70% UK travelDesirable qualifications:\n\nDegree in Computer Science, Software Engineering, or equivalent technical military training\nMBA or relevant business/leadership qualification\nKnowledge of products such as Arbor, Radwhere, Riverbed, A10, ExtraHop\nExperience authoring whitepapers, contributing to product strategy\nFamiliarity with security audits, RFP/RFI responses\nTrack record of mentoring technical presales teamsRole & Responsibilities\n\nAs Principal Sales Engineer, you will play a vital role in driving revenue by delivering technical presales support, demonstrating product value, and shaping best-fit solutions. Reporting to the Regional Sales Director, you will act as a trusted advisor for public sector clients and internal stakeholders.\n\nResponsibilities include:\n\nLeading technical discovery and supporting the full sales cycle\nCreating and delivering high-impact demos and presentations\nDifferentiating solutions from competitors using compelling value stories\nActing as a technical expert across integrators, service providers, and Government\nPartnering with product and engineering to influence roadmaps and relay market feedback\nContributing to technical documentation, RFPs, and whitepapers\nMentoring Sales Engineers, attending client meetings alongside them\nBuilding strong customer relationships and identifying upsell opportunities\nRepresenting customer needs internally and advocating for technical alignment\nParticipating in industry events, speaking engagements, and strategic initiativesAdditional Details\n\nRemote Working:\n\nOfficially home-based\nMust be comfortable with regular travel for:\nClient meetings 3-4 days per week\nAnnual conference\nQuarterly convention for Sales EngineersLocation Preference:\n\nPreference for candidates based in Central or Southern UK\nNorthern England considered for exceptional talent\nScotland is not