Bristol, England, United Kingdom · Hybrid
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 s…
Skills: Civil Engineering, Structural Engineering, Architectural Design, Team Leadership, Risk Identification
Warrington, England, United Kingdom · On-site
Location: Warrington Contract: Full-time, Shift-based (Night Shift) Department: Connected Services / Remote Support Mission As an Engineer II, Digital Services Remote Operations within the Connected Services Hub, you wil…
Skills: Technical Troubleshooting, Data Analysis, BMS Support, HVAC Support, Remote Monitoring
Warrington, England, United Kingdom · On-site
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: Mechanical Design, Nuclear Engineering, Design For Assembly, Technical File Production, UK CA Compliance
Warrington, England, United Kingdom · On-site
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: Electrical Engineering, Control Engineering, Instrumentation Engineering, Technical Leadership, Safety-Critical Systems
Warrington, England, United Kingdom · Hybrid
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: Electrical Services Design, CDM Regulation, Space Management, Cable Routing, Cable Management
Warrington, England, United Kingdom · On-site
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: Engineering Leadership, EC&I Engineering, Nuclear Design, Safety Case Development, Project Management
Warrington, England, United Kingdom · On-site
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: NEC3 Contract Management, CEMAR, Cost Estimation, Project Control Procedures, Document Management
Warrington, England, United Kingdom · On-site
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: Mechanical Engineering, Ventilation Engineering, Nuclear Ventilation Systems, HEPA Filter Commissioning, Asset Condition Inspection
Warrington, England, United Kingdom · On-site
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: Project Engineering Management, Systems Engineering, Nuclear Safety, Team Leadership, NEC 3 Contracts
Warrington, England, United Kingdom · On-site
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: Civil Engineering, Structural Design, Concrete Design, Steel Design, Masonry Design
Warrington, England, United Kingdom · On-site
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: Engineering Leadership, Project Delivery, Nuclear Engineering, System Engineering, NEC3 Contracts
Derby, England, United Kingdom · Hybrid
$60k–$79k/yr
Role: Engineering Capability Lead – Standards Location: Hybrid working with with your primary office location being which ever is closest to you: Derby, Warrington or Manchester Company Our mission is to deliver clean, a…
Skills: Engineering Standards, Technical Governance, Regulatory Alignment, Technical Documentation, Systems Thinking
Derby, England, United Kingdom · Hybrid
$51k–$67k/yr
Role Title: Senior Engineer - Thermofluids Model Validation We are Rolls-Royce SMR and we’re doing something that’s never been done before. We’re revolutionising an industry. That’s a once-in-a-career opportunity for tho…
Skills: Fluid Dynamics, Thermal Processes, RELAP, Flomaster, Vipre
Derby, England, United Kingdom · Hybrid
$51k–$67k/yr
Role Title: Senior Engineer - Containment Analysis We are Rolls-Royce SMR and we’re doing something that’s never been done before. We’re revolutionising an industry. That’s a once‑in‑a‑career opportunity for those excite…
Skills: Thermal-hydraulic modelling, Fluid dynamics, Python, Safety case authorship, Verification and validation
Derby, England, United Kingdom · Hybrid
$51k–$67k/yr
Role Title: Senior Engineer - Thermofluids Model Validation We are Rolls-Royce SMR and we’re doing something that’s never been done before. We’re revolutionising an industry. That’s a once-in-a-career opportunity for tho…
Skills: Fluid Dynamics, Thermal Processes, RELAP, Flomaster, Vipre
Derby, England, United Kingdom · Hybrid
$51k–$67k/yr
Role Title: Senior Engineer - Containment Analysis We are Rolls-Royce SMR and we’re doing something that’s never been done before. We’re revolutionising an industry. That’s a once‑in‑a‑career opportunity for those excite…
Skills: Thermal-hydraulic modelling, Fluid dynamics, Python, Safety case authorship, Verification and validation
Derby, England, United Kingdom · Hybrid
$51k–$67k/yr
Role Title: Senior Engineer - Thermofluids Model Validation We are Rolls-Royce SMR and we’re doing something that’s never been done before. We’re revolutionising an industry. That’s a once-in-a-career opportunity for tho…
Skills: Fluid Dynamics, Thermal Processes, RELAP, Flomaster, Vipre
Derby, England, United Kingdom · Hybrid
$60k–$79k/yr
Role: Lead Engineer – Geotechnical Locations: Hybrid working with your primary office location being which ever is closest to you: Derby, Warrington or Manchester Our mission Our mission is to deliver clean, affordable e…
Skills: Geotechnical Design, Technical Leadership, Foundation Design, Earthworks, Tunnelling
Derby, England, United Kingdom · Hybrid
$51k–$67k/yr
Role: Senior Engineer – Geotechnical Locations: Hybrid working with your primary office location being which ever is closest to you: Derby, Warrington or Manchester Our mission Our mission is to deliver clean, affordable…
Skills: Geotechnical Engineering, Engineering Geology, Foundation Design, Earthworks, Retaining Walls
Derby, England, United Kingdom · Hybrid
$51k–$67k/yr
Role: Senior Engineer – Engineering Geologist Locations: Hybrid working with your primary office location being which ever is closest to you: Derby, Warrington or Manchester Our mission Our mission is to deliver clean, a…
Skills: Ground Modeling, Rock Mass Characterisation, Geotechnical Design, Ground Investigation, 3D Geological Modeling
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Lead a team of engineers and architects to deliver civil, structural, and architectural designs that meet safety and business requirements. Manage interfaces between delivery partners and the design team while handling risk mitigation and project scheduling.
Requires a higher education qualification in engineering (MEng preferred) and Chartered Engineer status. Candidates must have a proven record of successful delivery and experience working within regulated systems, preferably in the nuclear sector.
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.
Amentum delivers innovative and sustainable solutions for complex environmental challenges and energy needs. We excel in areas such as environmental remediation, restoration, and compliance, ensuring the safe management of hazardous materials and contaminated sites.
We are committed to advancing energy initiatives providing expertise in renewable energy development, energy efficiency, and resilience projects. By leveraging advanced technologies and a deep understanding of regulatory frameworks, Amentum helps clients achieve environmental stewardship and energy sustainability, contributing to a safer, cleaner future while supporting mission-critical operations.
Within the defence sector, Amentum has an essential role in the UK’s continuous at-sea deterrent. We’re also active in naval infrastructure and shipbuilding, and in procurement and operational delivery across the whole of the UK Ministry of Defence.
Due to continued growth are currently seeking Principal CS&A Engineers to join our team, these positions support hybrid working and can be based across our office network within the UK - Stockton, Newcastle, Bristol, Gloucester, Glasgow, Westlakes and Warrington.
Leading a team of CS&A engineers and architects in the definition, implementation and delivery of specified functional works that achieves safety, functional and business requirements.
Key role holder within the Engineering team on the project.
Delivery of the civil, structural, and architectural design.
Manage the interface to and between key Delivery Partners and the design team.
Understanding of the commercial implications of products, scope and packages
Delivery of substantiation and other approvals.
Risk identification with proposed resolution / mitigation.
Production of Schedule and identification of key milestones.
Develop deliverables list and format (drawings, specifications, reports, BIM etc.)
Higher Education Qualification in Engineering (or equivalent) subject- MEng (preferred)
Appropriate (Engineering or Scientific) Institution Membership- Chartered Engineer
Background engineering experience demonstrating a record of successful delivery including recent positions influencing professional engineers and guiding technical personnel
Experience of working within a regulated and quality assured system (preferably nuclear) in roles where professional judgement is the key attribute
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 the team. #CSA2026
A global leader in advanced engineering and innovative technology solutions.
Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.
Offices: 4800 Westfields Blvd, 400, Chantilly, Virginia 20151, US · 20501 Seneca Meadows Pkwy, Suite 300, Germantown, Maryland 20876, US
There are currently 193 open engineering positions in Warrington, United Kingdom listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Rolls-Royce SMR, Assystem, Amentum, Babcock International Group, AECOM, among others. Browse the listings above to see every active employer.
Yes — 151 of the 193 open engineering positions offer remote or hybrid work (1 remote, 150 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
