Senior Reactor Technologist – Advanced Reactors Leader

Amentum; Risley; On-site; GBP 90,000 - 130,000; Full time

Job summary

Amentum is recruiting a Senior Reactor Technologist to support the growth of its Advanced Reactors business across the UK and international nuclear markets. This senior, client-facing role blends deep technical expertise with commercial acumen and strategic business development.

You will lead technical delivery, mentor staff, and engage with reactor developers, utilities, and regulators to shape deployment strategies and lifecycle considerations.

Qualifications

• Degree in Nuclear Engineering, Mechanical Engineering, Physics or related engineering discipline.
• Chartered Engineer (CEng) or equivalent professional registration.
• 15+ years experience in the nuclear industry.
• Experience across reactor technologies and deployment programmes.
• Strong understanding of reactor design, licensing, safety, operations and nuclear regulation.
• Experience delivering technical consultancy or advisory services.
• Commercial awareness with the ability to align technical solutions with client and business objectives.
• Excellent written, verbal and presentation skills.

Responsibilities

• Support Operations Manager in developing and delivering the Advanced Reactors growth strategy.
• Build and maintain relationships with clients across the UK and international markets.
• Identify emerging market opportunities and convert these into sustainable business growth.
• Contribute to market strategy through awareness of industry developments and emerging technologies.
• Support proposal preparation, bid activities and client presentations.
• Represent Amentum as a recognised industry leader at industry events, technical forums and conference.
• Collaborate across Amentum's global business to develop integrated client solutions.
• Act as a recognised technical authority across advanced reactor technologies.
• Lead technical consultancy assignments including technology assessments, owner's engineer services, independent technical reviews, feasibility studies and strategic advisory work.

Skills

Commercial awareness

Client engagement

Technical leadership

Technical consultancy

Proposal support

Stakeholder communication

Education

Nuclear Engineering

Chartered Engineer (CEng)

Related engineering discipline

Job description

Amentum is recruiting a Senior Reactor Technologist to support the growth of its Advanced Reactors business across the UK and international nuclear markets. This senior, client-facing role blends deep technical expertise with commercial acumen and strategic business development.

You will lead technical delivery, mentor staff, and engage with reactor developers, utilities, and regulators to shape deployment strategies and lifecycle considerations.