Senior Mechanical Engineer Welding & Fabrication

Job Purpose / Overview

The successful applicant will play a key role within the Nuclear Power Plant Projects Technical Branch working as part of a team that tackles critical crossdiscipline design issues and engages with multidisciplinary specialists. This role provides exposure to a broad range of technical topics across the project driving timely resolution of technical issues strengthening engineering delivery and proactively reducing key project engineering risks.

Contextual Information

As part of the projects Technical Directorate and based on site alongside the Construction Team the team manages sitebased queries during construction installation and commissioning. It also leads the closure of posthandover open points arising from site activities or by exception upstream of handover or from subsequent design NCRs.
The team is responsible for addressing Nuclear Safety Category 3 and 4 site queries as part of the Intelligent Customer role under a Technical Delegation of Authority from the Projects Design Authority. Within this structure the Technical Branch also delivers Category 1 and 2 changes with support from the wider business.

The team additionally oversees design changes and configuration management throughout construction installation and commissioning maintaining control of nonpermanent design information and AsBuilt records.

Framework & Boundaries

• Build strong sustainable relationships across SMEs Technical Authority Operations Responsible Designer Project Managers Contract Managers and Construction/Installation contractors.
• Collaborate closely with Operational teams to resolve complex technical issues.
• Produce highquality technical reviews justification papers and formal judgement documents.
• Protect the integrity of the nuclear safety case for all safetyimpacting changes.
• Oversee and provide surveillance of design changes delivered by Operational teams and the Responsible Designer.
• Represent the client with clear riskinformed decisions that consider wider project impacts.
• Apply UK regulatory and construction requirements across all design and delivery activities.
• Embed ALARP through practical evidencebased implementation.
• Champion innovation to improve efficiency quality safety and delivery.
• Work constructively with internal and external regulators to ensure technical compliance and nuclear safety.
• Leverage specialist nuclear services to maintain technical excellence and delivery confidence.
• Act as custodian of the Nuclear Baseline upholding SQEP standards and safety justification integrity.

Principal Accountabilities

• Be an organised proactive communicator able to engage clearly with a wide range of stakeholders.
• Provide oversight and approval for Nuclear Safety Category 3 changes.
• Lead joint Task Forces for Nuclear Safety Category 2 changes.
• Collaborate across teams to deliver highquality technical outcomes and uphold safetycritical standards.
• Actively contribute in meetings to drive constructive deliveryfocused discussions and timely decisions.
• Support the development and rollout of standardised technical solutions for recurring construction installation and commissioning challenges.
• Demonstrate a growth mindset resilience adaptability and a willingness to learn.
• Recognise your own knowledge boundaries and seek guidance when needed.
• Proactively identify where you can add value in resolving complex engineering problems.
• Apply sound engineering judgement consistently.
• Work effectively both as part of a team and autonomously when required.
• Take a pragmatic practical approach to developing solutions.
• Resolve highcomplexity or highrisk technical issues and contribute to safetycase substantiation where required.
• Be a competent user of Microsoft software.
• Interpret complex technical information understand its impact on plant performance and communicate it clearly to stakeholders.

Qualifications :

Essential Requirements

• Degree (or equivalent) in Mechanical or Materials Engineering
• Strong experience working within a highly regulated industry
• Demonstrable evidence of problemsolving and stakeholder management
• Excellent communication skills and strong initiative to drive results
• Understanding of civil electrical and mechanical interfaces on a construction site
• Strong written and verbal English communication skills
• Handson experience with onsite engineering

Desirable Qualifications & Experience

• Understanding of welding in site and fabrication environments (Including CSWIP Certification)
• Chartered Engineer status (or equivalent)
• Previous experience within the Nuclear Industry
• Experience working in engineering design
• Knowledge of EPR building plant and systems
• Safety Case experience and understanding of Nuclear Safety Categorisations
• Knowledge of Technical French is an advantage

Additional Information :

Why Apply

Join Assystem and become a key player in delivering critical nuclear projects that shape the future of energy. Embrace this opportunity to excel in a dynamic environment where your expertise and leadership will drive global innovation.

Your Benefits Package

Hybrid Working Flexibility to work from home and the office
25 Days Annual Leave Bank Holidays
Buy & Sell Holiday Make your time off work for you
8% Company Pension Contributions
Income Protection & 3x Salary Death-in-Service Cover
Competitive Sick Pay Support when you need it
Healthcare Cash Plan Claim back on dental optical & more
Free Digital Gym Access Expert-led fitness classes
Exclusive Discounts Restaurants days out & top brands
24/7 Employee Support Line Mental health financial & legal help
Cycle to Work Scheme Save money & go green
Free Flu Jabs & Eye Test Vouchers
Paid Professional Membership Fees
Volunteer Days Make a difference on company time

We are committed to equal treatment of candidates and promote as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills talent and our peoples ability to dare are the only things that matter!

Bring your unique contributions and help us shape the future.

We are committed to equal treatment of candidates and promote as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills talent and our peoples ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Remote Work :

No

Employment Type :

Full-time