Advanced Systems Engineering Manager in Warrington

At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive. Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all. We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive team who always strive to do the right thing for our people, clients and communities. Work-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business.

About the Opportunity

As the Advanced Systems Engineering Manager, you will drive the engineering and integration of fusion and fission systems for our international client base. You will:

• Lead Engineering Excellence: Direct team of engineers and strategic partners, promoting innovation and excellence. Oversee delivery budgets while ensuring timely, high-quality delivery aligned with our clients’ ambitious goals. Shape technical strategy for low-TRL systems, setting design standards and integrating cutting-edge technologies.
• Foster Integration and Collaboration: Manage interdependencies between systems and the wider plant. Act as the intelligent client, liaising with government, regulatory bodies, partners to deliver effective, coherent solutions.
• Champion Innovation and Risk Management: Drive continuous improvement, leveraging digital tools such as PLM systems and virtual twins to enhance performance. Identify and mitigate technical risks, ensuring compliance with regulatory and operational standards.
• Build the Future of Energy: Set the design direction for novel systems, and their integration. Lead by example, fostering a culture of curiosity, inclusivity, and collaboration.

This role demands a dynamic leader with the technical expertise, strategic insight, and innovative spirit to tackle the world’s most complex engineering challenges.

Here's What You'll Need

• Technical Expertise: A degree in a STEM-related field (with Chartered Engineer status). Proven success in delivering complex, high-tech engineering projects in a regulated environment. Deep understanding of nuclear and/or fusion systems. Expertise in systems engineering methodologies, including design for low-TRL systems.
• Strategic Vision and Innovation: Demonstrated ability to set and deliver organisational strategies aligned with long-term goals. Proven ability to identify new technologies, efficiencies, and advancements in energy system design.
• Leadership and Collaboration: Inspirational leadership style with a proven ability to coordinate interdisciplinary teams of engineers and scientists. Strong communication skills, capable of engaging stakeholders at all levels, resolving conflicts, and building consensus. Experience in building partnerships across consortia, industry, and government.
• Adaptability and Problem-Solving: Ability to thrive in ambiguity, embrace evolving technologies, and lead in emergent environments. Strong track record of managing technical risk and delivering innovative solutions in high-pressure settings.

Desirable Attributes:

• Experience in aerospace, or other high-regulation industries.
• Knowledge of advanced manufacturing techniques or materials science as applied to energy systems.
• Familiarity with public-private partnerships and international collaboration.

Our Culture

Our values are built on a strong foundation of safety, integrity, and respect for every individual. People are at the heart of our mission, and we believe in supporting one another through a culture of care and collaboration. We strive to create a workplace where everyone feels they belong and can thrive. Supporting mental wellbeing and fostering a sense of connection are essential to how we work. When we embrace different perspectives and work together, we become more innovative, more agile, and more successful. We partner with VERCIDA, for greater online accessibility please visit to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team.