Principal Mechanical Engineer
Assystem
Provides engineering, project management & digital solutions for complex infrastructure in regulated sectors.
Lead mechanical engineer for nuclear waste container design and support.
5 days ago ago
Expert & Leadership (13+ years)
Full Time
Warrington, England, United Kingdom
Onsite
Company Size
7,750 Employees
Service Specialisms
Project management
Engineering studies and design
Digital transformation consulting
Building Information Modeling
Licensing
Construction engineering
Technical consultancy
Sector Specialisms
Nuclear
Renewables
Electricity grids
Clean hydrogen
Transportation
Industrial
Aerospace
Infrastructure
Role
Description
requirements
tolerance review
failure analysis
drawing review
site surveys
document prep
- 🛠️ Support Requirements Capture: Manage and challenge requirements for existing waste containers and interface equipment.
- 🔧 Tolerances Understanding: Guide understanding of tolerances on interface drawings.
- ⚙️ DFMEA/PFMEA Support: Assist in Design and Process Failure Mode Effects Analysis.
- 📑 Review Drawings: Check drawings and documents for accuracy.
- 📍 Site Surveys: Support site surveys and the production/review of survey reports.
- 📝 Compile Documents: Help in compiling Component Requirements Documents.
- 🔄 Deploy LFE: Identify and apply Lessons Learned from Experience for technical tasks.
- 📐 Determine Engineering Requirements: Assist in defining product requirements.
- 🤝 Mentorship: Provide guidance and assurance to Senior Engineers and Designers.
Requirements
inventor
fmea
hnc
sc clearance
stakeholder management
nuclear
- 🛠️ Nuclear Design: Familiarity or previous design experience with nuclear, including mechanical handling.
- 💻 CAD Experience: Experience with CAD (Inventor).
- ☢️ Nuclear Sector: Experience in the nuclear sector.
- 🔩 Engineering Background: Deep experience in design, manufacture, material selection, welding, fabrication, and machining techniques.
- 🛡️ FMEA Knowledge: Familiarity with DFMEA and PFMEA.
- 🔍 Technical Drawings: Ability to check technical drawings per BS8888 and ISO 8015.
- 🛡️ Security Clearance: SC Clearance preferred or ability to obtain SC Clearance.
- 🤝 Stakeholder Management: Demonstrable success in managing stakeholders.
- 📏 Drawing Standards: Strong understanding of BS8888 and ISO-GPS (ISO 8015).
- 🗂️ Project Documentation: Experience in preparing project documentation, processes, and reports.
- 🎓 Experience: High-level technical competency and significant experience in a related field.
- 💡 Innovation: Ability to create and develop new ideas.
- 🎓 Education: HNC (minimum).
- 🗣️ Communication Skills: Excellent written and verbal communicator.
- 🏗️ Regulated Industries: Experienced in delivering work for highly regulated industries.
Benefits
Information not given or found
Training + Development
Information not given or found
Interview process
Information not given or found
Visa Sponsorship
Information not given or found
Security clearance
Information not given or found
Company
Overview
1966 founding
Year of establishment
The company was established in 1966, marking its inception as a global engineering powerhouse.
12 countries
Global presence
Operates across 12 countries, indicating significant international reach.
Revenue €611M
Annual revenue
Generates around €611 million annually, driven by strategic acquisitions.
- Leads EPR nuclear projects across locations.Opens external site
- Shapes energy transition through various sectors.
- Champions digital innovation for optimal performance.
- Operates across nuclear, renewables, transport, and hydrogen sectors.
- Engages in advanced fusion research and development.
Culture + Values
- Daring (Making suggestions / Taking initiative)
- Being customer‑oriented (Listening / Commitment / Collaboration)
- Being a team player (Collaboration / Responsibility / Sharing one’s knowledge)
- Being results‑oriented (Self‑sufficiency / Dedication / Perseverance)
- Agility (Adaptability / Curiosity / Responsiveness)
- Enthusiasm (Eagerness / Drive / Sociability)
- Endurance (Valour / Tenacity / Involvement / Resilience)
- Autonomy, empowerment, quality and trust
Environment + Sustainability
42% Emissions Reduction
Scopes 1 & 2 Target
Aims to reduce emissions by 42% by 2030 compared to 2022 baseline.
51.6% Scope 3 Reduction
Per Full-Time Equivalent
Committed to reducing Scope 3 emissions by 51.6% per full-time employee by 2030.
Triple Nuclear Capacity
Global Expansion Goal
Supports tripling global nuclear energy capacity by 2050 as part of the Net Zero Nuclear pledge.
Top 15% Rating
Ecovadis Sustainability
Achieved an Ecovadis Silver rating, placing it in the top 15% of assessed companies.
- Targets validated by the Science Based Targets initiative (SBTi) as Paris-aligned
- Signatory of the World Nuclear Association’s Net Zero Nuclear pledge to triple global nuclear capacity by 2050
- Developing low-carbon electricity solutions (nuclear and renewables, grid renovation, green hydrogen)
- Switch & Act for Climate programme to raise climate awareness and drive energy transition actions
Inclusion & Diversity
30%
Women Among New Hires
Recognizes the proportion of women among new hires in the organization.
60%
Internal Promotions
Percentage of high-responsibility positions filled through internal promotions.
70%
Local Managers Promoted
Percentage of local managers promoted from within the organization.
- Recruitment based solely on skills and daring; equal treatment for all candidates
- Assystem supports gender-balance in STEM via partnerships with women-focused engineering events (e.g., APPG Women Leading STEM)
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