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As a Key Account Manager within our Nuclear Business Unit, you will play a strategic role in developing and managing customer accounts within the Fusion and Modular Nuclear sector. Focus on building trusted relationships with leading stakeholders, helping position Assystem as a key delivery partner for these transformative technologies. Reporting to our Business Unit Director New Build, you will be responsible for leading key account plans and supporting growth strategy in collaboration with the wider Business Unit team.
Job Responsibility:
Manage relationships with existing and new strategic clients
Ensure sales order targets are achieved
Update and champion CRM records to reflect current opportunities
Provide accurate forecasting and bid tracking
Maintain and deliver key account development plans
Drive the capture of strategic, high-value opportunities
Support internal strategic planning across the BU
Identify and develop new customer opportunities
Represent Assystem at senior client engagements and industry events
Requirements:
Previous experience in account management or business development
Experience in the nuclear, energy or infrastructure sectors
Proven track record of success with strategic clients and complex accounts
Strong experience in CRM systems and forecasting tools
Excellent communication, stakeholder engagement and negotiation skills
Strategic and analytical mindset
Ability to work autonomously and collaboratively within a matrix organisation
Degree qualified (preferably in engineering, science, business or a related field)
Eligibility for UK security clearance (typically requires British nationality)
Nice to have:
Familiarity with gated bid and review processes
Understanding of fusion and modular reactor market landscape
Exposure to organisations such as Atkins, Cavendish Nuclear, Nuvia, Aegis, Tetra Tech, or Wood Group
What we offer:
Hybrid Working – Flexibility to work from home and the office
25 Days Annual Leave + Bank Holidays
Buy & Sell Holiday – Make your time off work for you
8% Company Pension Contributions
Income Protection & 3x Salary Death-in-Service Cover
Competitive Sick Pay – Support when you need it
Healthcare Cash Plan – Claim back on dental, optical & more
Free Digital Gym Access – Expert-led fitness classes
Exclusive Discounts – Restaurants, days out & top brands
24/7 Employee Support Line – Mental health, financial & legal help
Cycle to Work Scheme – Save money & go green
Free Flu Jabs & Eye Test Vouchers
Paid Professional Membership Fees
Volunteer Days – Make a difference on company time