Plexal
Senior Customer Lead National Security (London)
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The Role's Purpose
Plexal operates at the intersection of government, industry and emerging technology — helping organisations turn innovation ambition into practical capability, adoption and measurable impact. National Security is a core growth area for Plexal’s Innovation Services business, where we support government clients to adopt new technology, build innovation ecosystems and respond to emerging threats and opportunities.
The Strategic Account Lead will drive commercial growth and strategic client engagement across London’s National Security landscape. This role blends relationship based sales, delivery aligned growth and proposition development. You will build strong partnerships with government and secure market clients, shape new opportunities, and help evolve Plexal’s offering in a rapidly changing environment.
This is a hands-on commercial role suited to a growth-minded consultant who enjoys building relationships, and wants to influence how emerging technology is adopted across secure-government markets.
What You'll Do
- Lead strategic client relationships across London’s National Security and adjacent secure-government markets, ensuring strong partnerships throughout the full lifecycle of engagement — from prospecting and opportunity shaping to delivery oversight and customer satisfaction.
- Drive net new business and diversification, identifying and developing new revenue opportunities, expanding engagement across client business units, and landing multi year, high value contracts.
- Leverage delivery engagement to deepen client relationships, strengthen Plexal’s reputation, and uncover new growth opportunities.
- Build strong and trusting client relationships though successful delivery on contract, create high levels of client satisfaction.
- Develop and refine propositions that respond to client needs, market trends and emerging technology opportunities, working closely with the wider National Security & Defence team.
- Partner with suppliers and ecosystem organisations to shape consortium bids, unlock new routes to market and build collaborative commercial opportunities.
- Provide insight into market trends, procurement behaviours and customer priorities to inform Plexal’s National Security account strategy.
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Your Skills
- Highly relational, with excellent interpersonal skills and the ability to build trust quickly.
- Strategic thinker able to understand long-term client trends and translate them into credible propositions.
- Growth-minded — motivated by building new opportunities, expanding relationships and shaping commercial direction.
- Comfortable taking ownership and driving outcomes independently.
- Collaborative, supportive and aligned to Plexal’s culture of partnership and innovation.
Your Experience
Essential
- Proven track record of relationship-based sales, winning new business and shaping commercial opportunities.
- Experience working directly with National Security or adjacent secure-government clients (e.g., Defence)
- Strong consultancy sector background, with the ability to operate across strategy, delivery oversight and hands-on opportunity execution.
- Strong understanding of government procurement, commercial processes and how secure-government organisations buy and adopt technology.
- Ability to operate autonomously while collaborating effectively across GTM, delivery and London-based teams.
Desirable
- Experience supporting technology adoption, innovation ecosystems or organisational change within government.
- Demonstrable experience shaping and delivering strategic bids, consortium partnerships or multi-stakeholder commercial opportunities
- Success securing and growing £1m+ contracts or multi-year engagements.
- Existing knowledge of National Security market dynamics, customer priorities and supplier ecosystems.
Who You Are
Candidates must be eligible to undergo security clearance or hold current security clearance. (See more on clearance eligibility.)
Why us?
As a start-up, we thrive in a dynamic and fast-paced work environment dedicated to empowering innovators. We embrace individuals who leverage technology and creativity to tackle our greatest challenges head-on. We strongly advocate for maintaining a harmonious work-life balance, our goal is to ensure every member of our team can authentically be themselves and live their best lives. We firmly believe that innovation and creativity flourish when we cultivate a diverse workforce, comprising highly skilled individuals with a wide range of perspectives to contribute.
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In return we will offer you:
- Salary: £80,000 - £100,000 depending on skills and experience
- Annual bonus scheme
- A generous pension scheme (with a company contribution of up to 10%)
- Private healthcare, life assurance and critical illness cover
- 25 days holiday plus bank holidays
- Volunteering day
Plexal is an equal opportunities employer and we actively encourage applicants from individuals from all backgrounds. We are a Disability Committed employer and are willing to make reasonable adjustments throughout the recruitment process.
About us
Plexal is the innovation and growth company helping to strengthen the UK’s technology capabilities through collaboration.
With teams in London, Manchester and Cheltenham, we work closely with government, industry, startups and academia to drive economic growth and reinforce national security.
Founded by Delancey in 2017, Plexal delivers four core services: creating workspaces for innovators, running innovation programmes and consultancy, building regional tech clusters and helping SMEs scale strategically.
By closing the gap between early-stage and established organisations – across the public and private sectors at home and abroad – we’ve impacted over 1,200 businesses, added £731m to the UK economy and helped create 9,400 jobs.
Headquartered at Here East on the Queen Elizabeth Olympic Park, Plexal partners with organisations including the Department for Science, Innovation and Technology, the National Cyber Security Centre, Airbus, Amazon, Barclays Eagle Labs, Google Cloud, TfL, The Alan Turing Institute and the University of Oxford.
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