Senior Civil/Structural Engineers UK Wide

About the Opportunity Amentum delivers innovative and sustainable solutions for complex environmental challenges and energy needs. We excel in environmental remediation, restoration, and compliance, and provide expertise in renewable energy development, energy efficiency, and resilience projects. In the defence sector we support the UK’s continuous at‑sea deterrent, naval infrastructure, shipbuilding, and procurement and operational delivery across the UK Ministry of Defence.

Location and Working Arrangement These Senior CS&A Engineer positions are based in the UK – locations include Stockton, Newcastle, Bristol, Gloucester, Glasgow, Westlakes and Warrington – and support hybrid working arrangements.

Responsibilities:

• Lead the development of civil and structural engineering designs and solutions across the full project lifecycle.
• Prepare technical documentation, specifications, and design justifications for safety‑critical systems.
• Oversee, verify and prepare safety case inputs such as Safety Functional Requirements (SFRs), Structural Design Method Statements (SDMSs) and Design Substantiation Reports (DSRs).
• Oversee the preparation of Interpretive Reports, Basis of Design, Analysis Reports, Calculations, CDM documentation, Material Specifications, Scopes of Work and Technical Reports.
• Demonstrate knowledge of implementing engineering designs and compliance with standards and regulatory requirements.
• Manage and review 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.

Qualifications:

• Chartered or near‑Chartered Engineer status with a relevant professional body (Amentum will support you).
• Knowledge of civil engineering principles, design tools and relevant guidelines, standards and practices.
• Ability to simplify complex problems.
• Experience using finite element modelling software and associated post‑processing, with validation and verification of modelling tools and outputs.
• Good knowledge of health and safety legislation and good practice.
• Understanding of design tools within a BIM environment.
• Experience in producing and checking high‑quality technical deliverables.
• Motivated team member with the ability to meet deadlines and communicate project progress.
• Good communication skills and ability to articulate information to a broad range of stakeholders.
• Commitment to continuous professional development.

Benefits & Work‑Life Balance:

• Competitive package with UK employees receiving 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.
• Reimbursement toward relevant professional development and memberships.
• Focus on work‑life balance with flexible working hours, patterns and locations.
• Hybrid, part‑time and flexible working options available where possible.

EEO and Disability Statement: Amentum is an equal opportunity employer and welcomes applications from candidates of all backgrounds. As a Disability Confident employer, we interview all disabled applicants who meet the minimum criteria for a vacancy. All reasonable accommodation requests will be considered on a case‑by‑case basis.