Temporary Works Design Manager (Sizewell C)

📍 Job Overview

Job Title: Temporary Works Design Manager (Sizewell C)

Company: HPC Jobs Service (on behalf of EDF Energy's Sizewell C Project)

Location: Sizewell, Suffolk, England, United Kingdom

Job Type: Full-time

Category: Engineering / Construction Operations

Date Posted: April 02, 2026

Experience Level: 10+ Years

Remote Status: Hybrid

🚀 Role Summary

• Oversee and manage the Temporary Works (TW) design framework, ensuring compliance with project standards and regulatory requirements.

• Lead the coordination of design activities between internal teams, external framework partners, and parent company organizations.

• Implement and monitor performance of internal and external TW design delivery, ensuring adherence to BS5975:2019 and CDM 2015 regulations.

• Develop and manage a robust TW Register, integrating data for reporting on delivery status and forecasts.

• Assess and manage the competency of TW designers and coordinators, ensuring alignment with Safety, Quality, Environment, and People (SQEP) and CDM requirements.

📝 Enhancement Note: This role is critical for ensuring the safety and efficiency of construction operations at the Sizewell C project. The focus is heavily on engineering compliance, risk management, and stakeholder coordination within the complex temporary works domain.

📈 Primary Responsibilities

• Assist in managing the TW design framework with parent company organizations and implementation partners, including market identification and sourcing strategies.

• Support the management of TW frameworks with external partners, ensuring effective supplier engagement and competency evaluation.

• Chair design coordination meetings with consultants, applying project management principles to resource allocation and design delivery.

• Ensure the delivery of TW designs adheres to TW procedures, implementing and monitoring the performance of design delivery.

• Develop and implement assurance requirements for TW design in alignment with the Works Information.

• Work with Temporary Works Managers and Coordinators to maintain a TW Register suitable for the project's scale and organization.

• Collaborate with the Engineering and Assurance data and reporting analyst to maintain TW delivery status reporting and forecasting.

• Assess and manage the competency of designers delivering TW for the project, adhering to SQEP and CDM requirements.

• Coordinate with the Learning and Development team for the integration of temporary works into onboarding, competence, and training plans.

• Provide briefings to appointed persons for TW management (TWS/TWCs) on TW design delivery processes.

• Support the development of a process for risk management, ensuring a clear link between permanent works design, TW design, and RAMS.

• Stay informed of and communicate industry and project-wide health and safety updates, ensuring their incorporation into CWA TW design delivery.

• Coordinate with commercial and finance teams for the commercial management of framework contracts with parent companies and external suppliers.

• Identify opportunities for standardized TW designs and implement means to identify and assure their use.

📝 Enhancement Note: The responsibilities highlight a strong emphasis on process management, supplier assurance, and regulatory compliance within the temporary works engineering discipline. The role requires a blend of technical expertise, project management skills, and commercial acumen.

🎓 Skills & Qualifications

Education:

• Bachelor's degree in Civil or Structural Engineering.

Experience:

• Extensive experience in temporary works engineering on major projects, including tunnelling and deep excavations.

• Practical experience in Temporary Works design and Management of Designs.

• Extensive experience of temporary works design and implementation.

• Team management capability.

• Budget and contract management experience.

• Experience in competence assessment of TW designers.

Required Skills:

• In-depth understanding of the temporary works process as outlined in BS5975:2019.

• Comprehensive understanding of the requirements of the CDM Regulations 2015.

• Technical expertise in both the design and construction (execution) phases of temporary works.

• Strong understanding of risk reduction principles and their management by the Client, Principal Designer, and Principal Contractor.

• Excellent communication and collaboration skills for extensive engagement and collaboration with delivery teams and functions.

• Commercial acumen, including defining scopes of work, supporting procurement, and managing works per contract requirements.

• Proven ability to manage design delivery quality and assurance.

Preferred Skills:

• Formal training: Successful completion of a recognized Temporary Works Coordinator (TWC) course.

• Chartered Engineer (CEng) status.

• Experience in developing and managing TW Registers and reporting.

• Familiarity with developing standardized TW designs and implementation strategies.

📝 Enhancement Note: The qualifications emphasize formal engineering education and practical, extensive experience in a highly specialized field. The preference for a TWC course and Chartered Engineer status indicates a high bar for technical authority and professional standing.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrated experience in managing the end-to-end temporary works design lifecycle, from initial concept through to construction and dismantling.

• Case studies showcasing successful implementation of TW designs on large-scale infrastructure projects, highlighting complexity and risk mitigation.

• Evidence of developing and implementing TW registers, including data management, reporting, and assurance processes.

• Examples of managing TW design consultants and suppliers, detailing scope definition, performance monitoring, and quality assurance.

Process Documentation:

• Workflow design and optimization for TW design processes, including design reviews, approvals, and coordination.

• Implementation and automation methods for TW registers and reporting systems.

• Measurement and performance analysis of TW design delivery against project timelines, budgets, and quality standards.

• Risk management processes specific to temporary works, demonstrating the "golden thread" from permanent works design to RAMS.

• Competency assessment frameworks and processes for TW designers and coordinators.

📝 Enhancement Note: Candidates are expected to provide tangible evidence of their ability to manage complex TW processes and systems. The portfolio should reflect a deep understanding of industry standards and practical application in a major project setting.

💵 Compensation & Benefits

Salary Range: Negotiated salary (Specific range not provided, but competitive for senior engineering roles in major projects).

Benefits:

• Attractive / Negotiated Salary.

• Company Car (if required for business needs).

• 42 core base hours per week.

• 25 days annual leave.

• Hybrid working scheme available.

• Pension savings schemes.

Working Hours: 42 core base hours per week.

📝 Enhancement Note: The salary is stated as "negotiated," suggesting it will be tailored to the candidate's experience and qualifications. The benefits package includes standard provisions like leave and pension, with the addition of a company car and a hybrid working model, reflecting a senior operational role. The 42-hour work week is typical for project-based engineering roles.

🎯 Team & Company Context

🏢 Company Culture

Industry: Nuclear Power / Major Infrastructure Construction. The Sizewell C project is a significant undertaking in the UK's energy sector, requiring robust engineering and safety protocols.

Company Size: The Sizewell C project is a large-scale, complex endeavor, implying a large organizational structure with multiple interconnected teams and contractors. The "Civil Works Alliance" suggests a collaborative partnership model.

Founded: While the founding date of the specific "HPC Jobs Service" or "Civil Works Alliance" isn't provided, Sizewell C is a long-term project indicating a stable, established operational environment.

Team Structure:

• The position reports to a CWA Contractor's Engineering Lead, indicating a hierarchical structure within the Civil Works Alliance.

• Extensive engagement and collaboration are required with delivery teams and functions across the organization, suggesting a matrixed or highly cross-functional team environment.

Methodology:

• Data-driven decision-making is implied through the need to maintain reporting on TW delivery status and forecasts, working with data analysts.

• Workflow planning and optimization are central to managing the TW design framework and delivery processes.

• Automation and efficiency practices will be applied through the development of standardized TW designs and the management of digital TW registers.

• A strong emphasis on safety and compliance is paramount, driven by industry regulations (CDM, BS5975) and project-specific requirements.

Company Website: https://hpcjobsservice.edfenergy.com/

📝 Enhancement Note: The culture is likely to be highly professional, safety-conscious, and focused on project delivery within a regulated environment. Collaboration and adherence to established processes are key. The hybrid working model suggests a balance between on-site presence for critical tasks and remote flexibility.

📈 Career & Growth Analysis

Operations Career Level: This is a senior-level management role within the engineering and construction operations domain, specifically focused on temporary works. It requires significant technical expertise, leadership capabilities, and experience in managing complex projects and supply chains.

Reporting Structure: Reports to the CWA Contractor's Engineering Lead, indicating a clear line of management within the Civil Works Alliance. Collaboration extends across multiple functional areas.

Operations Impact: The role has a direct impact on the safety, efficiency, and cost-effectiveness of the construction operations at Sizewell C. Effective TW design and management are crucial for preventing delays, ensuring worker safety, and managing project risks, thereby contributing significantly to overall project success and financial performance.

Growth Opportunities:

• Specialization: Deepen expertise in temporary works engineering for large-scale nuclear or energy projects.

• Leadership: Potential to move into broader engineering management roles or lead larger design teams within the Sizewell C project or other major EDF Energy initiatives.

• Skill Development: Opportunities to refine skills in contract management, stakeholder negotiation, and advanced risk assessment within a high-stakes environment.

• Industry Recognition: Contribute to industry best practices in temporary works management, potentially leading to speaking engagements or publications.

📝 Enhancement Note: This role offers a significant career opportunity for experienced TW professionals to contribute to a landmark project. Growth is likely to be through deepening specialization and taking on greater project management responsibilities within the complex energy infrastructure sector.

🌐 Work Environment

Office Type: Hybrid working scheme available, indicating a mix of on-site work at Sizewell C and remote work. This suggests a modern approach to work-life balance within a project setting.

Office Location(s): Sizewell, Suffolk, UK. This is a project site location, likely involving a dedicated site office or facilities for project personnel.

Workspace Context:

• On-site presence will be crucial for critical TW design coordination meetings, site inspections, and direct collaboration with delivery teams.

• Remote work will likely facilitate administrative tasks, report writing, and engagement with geographically dispersed stakeholders or suppliers.

• Access to project-specific software, engineering tools, and reporting systems will be provided.

• Opportunities for direct interaction with site engineers, construction teams, and project management will be frequent.

Work Schedule: 42 core base hours per week. This is a standard for intensive project environments and may involve flexibility to accommodate site needs or critical deadlines.

📝 Enhancement Note: The hybrid model offers a balance, but the nature of TW management on a major construction project means significant on-site presence will be required for effective oversight and coordination.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Review of CV and application, focusing on alignment with essential qualifications and experience in temporary works for major projects.

• Technical Interview: In-depth discussion on TW principles (BS5975, CDM), risk management, design coordination, and experience with tunnelling/deep excavations. Expect scenario-based questions.

• Competency & Management Interview: Assessment of team management, stakeholder engagement, budget/contract management, and competency assessment skills.

• Portfolio Review (Potential): Candidates may be asked to present specific case studies from their portfolio demonstrating TW design and management successes.

• Final Interview: May involve senior project leadership to assess overall fit, strategic thinking, and long-term potential.

Portfolio Review Tips:

• Focus on Impact: Showcase TW projects with clear metrics on safety improvements, cost savings, schedule adherence, and risk mitigation.

• Structure Case Studies: For each project, clearly outline the challenge, your role and responsibilities, the TW solutions implemented, the process followed, and the quantifiable outcomes.

• Demonstrate Process: Include examples of TW registers, design review checklists, competency assessment forms, and risk management documentation.

• Highlight Collaboration: Illustrate how you managed consultants, contractors, and internal stakeholders to achieve design objectives.

• Adhere to Standards: Clearly articulate how BS5975:2019 and CDM 2015 were applied and managed.

Challenge Preparation:

• Be prepared to discuss how you would approach managing TW design for a complex, unforeseen ground condition scenario.

• Practice articulating your strategy for assessing and improving the competency of TW designers in a new team.

• Develop a clear method for communicating critical safety updates from industry to site-level TW coordinators.

• Prepare to discuss how you would manage a conflict between design requirements and construction site constraints.

📝 Enhancement Note: The application process will likely be rigorous, with a strong emphasis on demonstrating practical experience and technical knowledge through detailed examples and potentially a portfolio review. Candidates should be ready to articulate their process-driven approach to TW management.

🛠 Tools & Technology Stack

Primary Tools:

• CAD Software: Proficiency with standard CAD tools (e.g., AutoCAD, Revit) for reviewing and understanding TW designs.

• Project Management Software: Familiarity with tools like MS Project, Primavera P6, or similar for scheduling and progress tracking.

• Collaboration Platforms: Experience with Microsoft Teams, SharePoint, or similar for communication and document sharing.

• Document Management Systems: Use of EDMS (Electronic Document Management Systems) for version control and access to project documentation.

Analytics & Reporting:

• Data Analysis Tools: Ability to interpret data from TW registers and performance reports, potentially using Excel or more advanced analytics tools.

• Reporting Software: Experience generating reports on TW status, risks, and delivery performance, possibly using BI tools if integrated into the project's system.

• Dashboard Tools: Familiarity with creating or interpreting dashboards (e.g., Power BI, Tableau) for visualizing TW project metrics.

CRM & Automation:

• EHS/TW Management Systems: Potential use of specialized software for tracking TW registers, permits, and compliance.

• Procurement & Commercial Systems: Familiarity with systems used for managing supplier contracts, purchase orders, and invoices.

• Integration Tools: Understanding of how different systems might integrate to provide a holistic view of TW design and delivery.

📝 Enhancement Note: While specific software isn't listed, proficiency with standard engineering design, project management, and collaboration tools is assumed. The role will involve working within a potentially integrated project management information system (PMIS).

👥 Team Culture & Values

Operations Values:

• Safety First: Paramount importance placed on health, safety, and environmental protection in all TW design and management activities.

• Integrity & Compliance: Adherence to all relevant regulations (CDM, BS5975), company policies, and ethical standards.

• Collaboration: Strong emphasis on teamwork, open communication, and cross-functional cooperation to achieve project objectives.

• Excellence & Quality: Commitment to high standards in engineering design, assurance, and project delivery.

• Efficiency & Innovation: Seeking opportunities to optimize processes, standardize designs, and improve delivery methods.

Collaboration Style:

• Proactive and engaged, fostering strong working relationships with internal teams (delivery, engineering, commercial) and external partners (designers, suppliers).

• Structured communication through regular design coordination meetings, progress reviews, and formal reporting.

• Open to feedback and constructive challenge to ensure the robustness of TW designs.

• Focus on knowledge sharing to build collective understanding of TW best practices and project specifics.

📝 Enhancement Note: The culture is expected to be highly professional, safety-driven, and focused on delivering a complex, critical infrastructure project. Teamwork and adherence to established procedures are likely to be highly valued.

⚡ Challenges & Growth Opportunities

Challenges:

• Complexity of TW: Managing diverse and complex temporary works requirements across a large-scale construction site, including tunnelling and deep excavations.

• Regulatory Landscape: Ensuring continuous compliance with evolving health, safety, and engineering regulations (CDM, BS5975).

• Supply Chain Management: Effectively managing a network of external TW design suppliers, ensuring competency, quality, and timely delivery.

• Risk Mitigation: Developing and implementing robust processes to identify, assess, and mitigate the significant risks associated with temporary works.

• Integration: Ensuring seamless integration of TW design processes with permanent works design, construction execution, and commercial management.

Learning & Development Opportunities:

• Specialized Training: Access to advanced training in temporary works engineering, nuclear construction, or project management.

• Industry Conferences: Opportunities to attend and present at relevant engineering and construction conferences.

• Mentorship: Potential for mentorship from senior engineering leaders within EDF Energy or the Civil Works Alliance.

• Professional Development: Support for maintaining professional qualifications and pursuing further certifications.

• Exposure to Major Projects: Gaining invaluable experience on one of the UK's most significant infrastructure projects.

📝 Enhancement Note: This role presents significant technical and managerial challenges, offering substantial opportunities for professional growth and development within a high-profile, complex project environment.

💡 Interview Preparation

Strategy Questions:

• "Describe your approach to establishing and managing a Temporary Works Register for a project of this scale. What key data points would you ensure are captured and how would you ensure data integrity?"

• "How would you assess and manage the competency of TW designers and coordinators to ensure they meet SQEP and CDM requirements? Provide an example."

• "Discuss a challenging TW design scenario you encountered on a major project. What were the technical risks, how did you manage them, and what was the outcome?"

Company & Culture Questions:

• "What do you understand about the Sizewell C project and its significance? How does this role contribute to its success?"

• "How do you foster a culture of safety and compliance within a TW design team, particularly when working with external consultants?"

Portfolio Presentation Strategy:

• Select 2-3 key projects that best demonstrate your end-to-end TW design and management experience, focusing on complexity and impact.

• For each project, articulate the specific challenges, your role, the TW solutions implemented, and the measurable outcomes (safety, cost, schedule).

• Be prepared to walk through examples of TW registers, design review documentation, or risk assessments from your portfolio.

• Clearly explain how you applied BS5975:2019 and CDM 2015, and how you managed the competency of your team and suppliers.

📝 Enhancement Note: Prepare to articulate detailed, process-oriented answers supported by specific examples from your experience. Demonstrating a deep understanding of TW regulations and risk management will be crucial.

📌 Application Steps

To apply for this Temporary Works Design Manager position:

• Submit your application through the provided link on the HPC Jobs Service portal.

• Tailor your CV: Highlight all relevant experience in temporary works design and management, emphasizing major projects, tunnelling, deep excavations, BS5975:2019, and CDM 2015. Quantify achievements where possible.

• Prepare your portfolio: Gather examples of TW registers, design review processes, risk assessments, and case studies that showcase your capabilities. Ensure it aligns with the requirements discussed.

• Research Sizewell C: Understand the project's scope, objectives, and its significance to the UK's energy infrastructure. Familiarize yourself with EDF Energy's commitment to safety and quality.

• Practice interview responses: Prepare detailed answers to common technical, behavioral, and situational questions related to temporary works management and project leadership.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.