Senior Mechanical Engineer - Nuclear PTLS Lead

ALTEN Group; West of England; Hybrid; GBP 65,000 - 80,000; Full time

Benefits offered by this job

Private MedicalInsurance

Cycle & Tech Scheme

Employee assistance programme

Life insurance & Pension Scheme

Social atmosphere, team gatherings &\n

Flexible way of working (role‑dep­)

Job summary

ALTEN is seeking a Principal Mechanical Engineer for PTLS in Bristol to provide technical leadership across Pools, Tanks, Liners and Sumps systems. You will oversee design through manufacturing and construction, ensuring safety, quality and technical excellence in a multidisciplinary environment.

The role focuses on nuclear projects, with on-site work and a mid-level seniority. Requires strong experience in design review, manufacturing oversight, and stakeholder engagement within regulated

Qualifications

• Experience with PTLS systems in nuclear projects.
• Knowledge of RCC-M, RCC-CW, Eurocodes and UK nuclear requirements.
• Strong design review and manufacturing oversight experience.
• Familiarity with nuclear quality assurance processes and regulatory requirements.

Responsibilities

• Provide technical leadership across PTLS scope areas.
• Review contractor deliverables for compliance with project requirements and standards.
• Support tender evaluations and supplier assessments from a technical perspective.
• Resolve technical issues arising during manufacturing, installation and construction activities.
• Participate in inspections, design reviews, technical meetings and governance activities.
• Promote lessons learned and support replication strategies across major nuclear infrastructure programmes.

Skills

PTLS systems

Nuclear civil structures

Fabrication & welding

Nuclear QA & regulatory

Design integration

Education

Engineering degree or military equivalent

Job description

ALTEN is seeking a Principal Mechanical Engineer for PTLS in Bristol to provide technical leadership across Pools, Tanks, Liners and Sumps systems. You will oversee design through manufacturing and construction, ensuring safety, quality and technical excellence in a multidisciplinary environment.

The role focuses on nuclear projects, with on-site work and a mid-level seniority. Requires strong experience in design review, manufacturing oversight, and stakeholder engagement within regulated