Principal Architect

About the Role: Our Defence and Security teams provide design and engineering services for our nuclear and defence clients across the UK and abroad. Our team is experiencing exciting growth and long-term prospects within our established practice, and we are looking for Engineering Managers with transferable skills who are passionate about developing themselves and in meeting new challenges.

We offer hybrid working with split between home and office to be agreed, with offices in Theale and Manchester. Alongside occasional, expensed site visits to the client site in Reading will be necessary. Our Architects provide design leadership within multi-discipline teams of design engineers and technicians, working through all RIBA work stages from inception to completion.

These projects variably hold nuclear site licences, environmental permits and other regulatory permissions, that require regulated access. Successful candidates will be able to communicate well across the architectural team and with other disciplines, have a passion for design, technical delivery and the commitment to delivering high-quality outcomes in line with agreed cost and schedule targets.

Working within our architectural team the successful candidate will provide architectural input at various stages of projects large and small, working in collaboration with our Project and Engineering Managers, to bring confidence in outcomes whilst also engaging with stakeholders and implementing appropriate technical decisions and solutions.

Key Criteria for the role: Experienced in delivering architectural design throughout project delivery An in depth understanding of all RIBA stages and the necessary governance to deliver at each of these stages for our Clients Knowledge of legislation and standards relating to Health and Safety in design and construction.

Familiarity with and experience in the application of current standards and building regulations as well as an overarching appreciation of multi-discipline design interactions and es.

Proficient in Autodesk Revit with a wider understanding of Information Management and the integration of necessary BIM standards and practices ARB Registered An ability to work autonomously and as part of a wider team 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. People are our greatest asset, and we offer a competitive package to retain and attract the best talent.

In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. 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. Here’s What You’ll Need: A depth of experience and capability across highly regulated industry sectors RIBA Chartered Member status Experience managing project resource and schedule What’s in It for You: Competitive salary and benefits package, with unrivalled salary sacrifice schemes available.

Free single medical cover and digital GP service. Generous pension contributions. Enhanced parental leave and family-friendly policies. Professional development support and membership reimbursement. Access to a flexible benefits programme tailored to your needs, including buying or selling up to 10 days’ extra holiday. Hybrid and flexible working options to support work–life balance.

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 www.vercida.com 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 [email protected].