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, ArcSight
Relevant certifications CCNP or CCIE or Juniper equivalent
Formal presales training (e.g. Sandler, Siebel, Afterburner, Udemy)
Excellent communication and presentation skills verbal, written, and visual
Desirable qualifications:
Degree in Computer Science, Software Engineering, or equivalent technical military training
Knowledge of products such as Arbor, Radwhere, Riverbed, A10, ExtraHop
Familiarity with security audits, RFP/RFI responses
Exposure to security analytics tools and techniques, such as log analysis, anomaly detection, or traffic monitoring, with an interest in developing stronger skills.
Understanding of full packet capture and analysis concepts, or hands-on experience with tools like Wireshark, Zeek, or similar platforms.
Awareness of cybersecurity frameworks and best practices (e.g., NIST, ISO 27001) and how they apply to network assurance.
Role & Responsibilities
As 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.
Responsibilities include:
Leading technical discovery and supporting the full sales cycle
Creating and delivering high-impact demos and presentations
Differentiating solutions from competitors using compelling value stories
Acting as a technical expert across integrators, service providers, and Government
Partnering with product and engineering to influence roadmaps and relay market feedback
Contributing to technical documentation, RFPs, and whitepapers
Mentoring Sales Engineers, attending client meetings alongside them
Building strong customer relationships and identifying upsell opportunities
Representing customer needs internally and advocating for technical alignment
Participating in industry events, speaking engagements, and strategic initiatives
Additional Details
Remote Working:
Muust be comfortable with regular travel for client meetings 3-4 days per week