Senior Civil & Structural Engineer

Amentum

. Lead the development of civil and structural engineering designs and solutions across the full project lifecycle from bid generation, through concept and detailed design development to construction .

Posted 5/13/2026full-timeWarrington • 🇬🇧 United KingdomSeniorWebsite

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

Lead the development of civil and structural engineering designs and solutions across the full project lifecycle from bid generation, through concept and detailed design development to construction
Prepare technical documentation, specifications, and design justifications for safety-critical systems
Oversight, verification and preparation of safety case inputs, such as Safety Functional Requirements (SFRs), Structural Design Method Statements (SDMSs) and Design Substantiation Reports (DSR)
Oversight, verification and preparation of Interpretive Reports, Basis of Design, Analysis Reports, Calculations, CDM documentation, Material Specifications, Scopes of Work, and Technical Reports
Perform analysis and/or design tasks as necessary
Demonstrate knowledge of the practical aspects of implementing engineering designs and understand the use of standards and compliance with regulatory requirements in an engineering environment
Work with international Small and Advanced Modular Reactor developers to pass through the Office of Nuclear Regulation’s Licencing process
Manage and check deliverables from junior engineers to ensure compliance and quality
Provide technical guidance and mentorship to less experienced engineers
Interface with clients, regulators, and project stakeholders on technical matters
Ensure designs meet nuclear safety, cybersecurity, and quality standards
Support project planning, cost estimating, and risk management activities
Produce high-quality technical reports
Build and maintain valuable relationships with clients, partners and peers

Requirements

What you’ll need

MEng, MSc, BEng or BSc or equivalent in civil engineering or another relevant discipline
Chartered or near Chartered Engineer status with a relevant professional body (we will support you)
An awareness of civil nuclear plant systems, structures and components and associated design and assessment guidelines (or relevant engineering principles from other highly regulated industries)
Knowledge of civil engineering principals, design tools and relevant guidelines, standards and practices (in particular American standards ACI, ASCE and AISC)
Ability to simplify complex problems
Experience using finite element modelling software and associated post processing software, with experience in validation and verification of modelling tools and their outputs
Good knowledge of health and safety legislation and good practice
Understanding of the use of design tools within a BIM environment
UK Nuclear Licencing and Generic Design Assessment process experience is desirable
Experience in producing and checking high-quality technical deliverables
Motivated team member with the ability to work to deadlines and communicate project progress
Good communication skills and ability to articulate information to a broad range of stakeholders
Committed to Continuous Professional Development

Benefits

Comp & perks

Health, dental, and vision insurance
Paid time off and holidays
Retirement benefits (including 401(k) matching)
Educational reimbursement
Parental leave
Employee stock purchase plan
Tax-saving options
Disability and life insurance
Pet insurance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

civil engineeringfinite element modellingdesign toolssafety case inputstechnical documentationdesign justificationsanalysis reportsmaterial specificationsrisk managementBIM

Soft Skills

mentorshipcommunicationproblem simplificationteam collaborationdeadline managementrelationship buildingtechnical guidanceclient interfacingquality assuranceproject planning

Certifications

MEngMScBEngBScChartered Engineer status