Business Development Director

ASSYSTEM; Bristol; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading nuclear engineering firm in the UK is seeking a Business Development Director to shape business strategies and expand client networks in the energy sector. The successful candidate will have a strong background in business development, excellent communication skills, and experience in client relationship management. This full-time role involves travel across the UK and occasionally internationally, offering a dynamic environment and significant career progression opportunities.

Qualifications

• Proven track record in business development or client relationship management ideally within the energy engineering or infrastructure sectors.
• Strong understanding of market dynamics and strategic planning.
• Skilled in building partnerships and influencing at senior stakeholder level.
• Experience leading bids, proposals and capture plans for complex technical projects.
• Commercially astute with a focus on achieving sustainable and profitable growth.
• Excellent communication, negotiation and presentation skills.
• A collaborative leader who thrives in a fast‑paced purpose‑driven environment.

Responsibilities

• Develop and implement comprehensive sector and market plans to support strategic growth.
• Build and maintain relationships with key clients, partners and industry stakeholders.
• Identify new business opportunities and lead proactive pursuit activities across energy sectors.
• Collaborate with internal teams to align business development initiatives with delivery capability.
• Lead and contribute to bid strategies ensuring competitive positioning and client alignment.
• Manage strategic accounts to ensure profitability and long‑term partnership value.
• Represent the company at industry events and contribute to thought leadership through publications and presentations.
• Stay informed of market trends, emerging technologies and policy developments.

Skills

Business Development

Sales Experience

Direct Sales

B2B Sales

Marketing

Sales Pipeline

Salesforce

Strategic Planning

Enterprise Sales

Negotiation

Lead Generation

Contracts

Job description

About Assystem

At Assystem our mission is to accelerate the global energy transition. Our 8000 Switchers blend world‑class engineering expertise with digital innovation to shape the future of low‑carbon power. Join us as we deliver pioneering nuclear and energy projects that make a real global impact.

Why Join the Community of Switchers

By joining Assystem you’ll be part of one of the top three largest independent nuclear engineering companies worldwide. You will work on major projects that redefine what’s possible in nuclear and energy infrastructure alongside a community of experts committed to advancing the future of clean energy.

The Role

We’re looking for a dynamic Business Development Director to lead and grow strategic client relationships, identify new business opportunities and drive Assystem’s market position within the UK and global energy sectors. This senior role is critical to shaping our business strategy, expanding our client network and ensuring our continued success in a rapidly evolving low‑carbon landscape. The role can be based from any of our UK offices but will require a degree of travel across the UK and occasionally internationally.

Key Responsibilities

• Develop and implement comprehensive sector and market plans to support strategic growth.
• Build and maintain relationships with key clients, partners and industry stakeholders.
• Identify new business opportunities and lead proactive pursuit activities across energy sectors.
• Collaborate with internal teams to align business development initiatives with delivery capability.
• Lead and contribute to bid strategies ensuring competitive positioning and client alignment.
• Manage strategic accounts to ensure profitability and long‑term partnership value.
• Represent Assystem at industry events and contribute to thought leadership through publications and presentations.
• Stay informed of market trends, emerging technologies and policy developments to inform business strategy.

Qualifications : About You

• Proven track record in business development or client relationship management ideally within the energy engineering or infrastructure sectors.
• Strong understanding of market dynamics and strategic planning.
• Skilled in building partnerships and influencing at senior stakeholder level.
• Experience leading bids, proposals and capture plans for complex technical projects.
• Commercially astute with a focus on achieving sustainable and profitable growth.
• Excellent communication, negotiation and presentation skills.
• A collaborative leader who thrives in a fast‑paced purpose‑driven environment.

If you’re ready to help shape the future of low‑carbon energy and play a pivotal role in Assystem’s growth journey, we’d love to hear from you.

Apply now and become a Switcher. Together let’s engineer a cleaner, brighter future.

Additional Information :

Join one of the top three largest nuclear engineering companies globally and be part of a dynamic team driving energy transition. At Assystem we offer a multicultural environment, career progression opportunities and the chance to work on industry‑leading projects that make a real difference in the world.

Please be aware that many roles at Assystem are subject to both security and export control restrictions.

These restrictions mean that factors such as your nationality, any nationalities you may have previously held and your place of birth can restrict the roles you are eligible to perform within the organisation.

All applicants must at a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role to allow for meaningful security vetting checks.

We are committed to equal treatment of candidates and promote as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills talent and our people’s ability to dare are the only things that matter! Bring your unique contributions and help us shape the future.

Remote Work: No

Employment Type: Full‑time

Key Skills

• Business Development
• Sales Experience
• Direct Sales
• B2B Sales
• Marketing
• Sales Pipeline
• Salesforce
• Strategic Planning
• Enterprise Sales
• Negotiation
• Lead Generation
• Contracts