Principal Sales Engineer

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Industry: Aerospace / Defense / Government / IT Security
Degree: Bachelor's in Computer Science or Equivalent
Experience: 15+ years IT, 10+ years Presales
DV CLEARANCE REQUIRED
Role: Principal Sales Engineer - UK Public Sector
Join a company at the forefront of digital transformation, supporting the world's most essential organisations through their most complex digital challenges This is a remote, client-facing role for a highly technical and experienced presales professional with a strong Government/Public Sector background and ACTIVE DV CLEARANCE. As Principal Sales Engineer, you'll drive revenue by delivering technical presales support, demonstrating product value, and shaping best-fit solutions for UK public sector accounts. Act as a trusted advisor for public sector clients, leading technical discovery and supporting the full sales cycle while creating high-impact demos and presentations. Partner with product and engineering teams to influence roadmaps, mentor Sales Engineers, and build strong customer relationships while representing customer needs internally. Exceptional compensation package of £125,000-£155,000 plus 20% bonus, £7,200 car allowance, and extensive benefits with remote working and regular travel to customer sites.
Requirements:

ACTIVE DV (Developed Vetting) CLEARANCE REQUIRED
SC clearance candidates considered only in exceptional cases (must be eligible for DV)
15+ years' experience in IT required
10+ years in presales, network engineering, or technical support
Demonstrable success supporting UK Government or public sector clients
Strong expertise in Cisco routing, switching, gateways, and applications
Deep knowledge of TCP/IP, SNMP, Netflow, VoIP
Experience with LAN/WAN topologies (MPLS, Frame Relay, ATM)
Security concepts and network infrastructure design expertise
Network performance and fault/alert management experience
Operating systems knowledge - Linux and Windows
Cloud and virtualisation technologies - SDN/NFV, Public/Private Cloud
Performance tools experience - HP/OV, Tivoli, EMC SMARTS, ArcSight
Relevant certifications - CCNA, CCNP, CCIE
Formal presales training (e.g. Sandler, Siebel, Afterburner)
Excellent communication and presentation skills - verbal, written, and visual
Comfortable with 60-70% UK travel
Degree in Computer Science, Software Engineering, or equivalent technical military training
MBA or relevant business/leadership qualification desirable
Knowledge of Arbor, Radwhere, Riverbed, A10, ExtraHop desirable
Track record of mentoring technical presales teams preferred
Based in Central or Southern UK preferred (Northern England considered for exceptional talent)

What's in it for you?

Exceptional annual salary of £125,000 to £155,000
20% annual bonus
£7,200 car allowance
Extensive benefits package
REMOTE WORKING - Officially home-based with flexible arrangements
Support world's most essential organisations through complex digital challenges
Work at forefront of digital transformation
Drive growth of UK public sector accounts
Lead technical discovery and support full sales cycle
Create and deliver high-impact demos and presentations
Act as trusted advisor for public sector clients
Partner with product and engineering teams to influence roadmaps
Mentor Sales Engineers and build technical teams
Build strong customer relationships and identify upsell opportunities
Participate in industry events and speaking engagements
Regular travel to customer sites (3-4 days per week)
Annual conference and quarterly Sales Engineer conventions

Confidential Placement
This role is a confidential placement for a leading digital transformation company. We will manage your application with the highest level of privacy and professionalism.

Location: Remote (UK-based) - England, United Kingdom
Note: ACTIVE DV CLEARANCE REQUIRED. Central or Southern UK location preferred. Client is not willing to sponsor work authorization. No relocation assistance. Regular UK travel required (60-70%).
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