Design Manager

📍 Job Overview

Job Title: Design Manager

Company: Costain Group

Location: Camberley, Surrey, United Kingdom

Job Type: Full time

Category: Engineering & Design Management

Date Posted: 2026-05-21T12:51:48

Experience Level: Mid-Level (5-10 years)

Remote Status: Hybrid

🚀 Role Summary

• Lead and manage the design and engineering lifecycle for significant water and wastewater projects within the AMP8 framework, ensuring technical excellence and project success.

• Oversee and guide a team of designers, fostering a collaborative environment focused on delivering safe, sustainable, and cost-effective infrastructure solutions.

• Drive the implementation of innovative and efficient design processes, aligning with Costain's vision of being the UK's leading smart infrastructure solutions company.

• Uphold stringent technical compliance, budget adherence, and timeline management for all design-related activities, contributing to enhanced client satisfaction and business performance.

📝 Enhancement Note: This role is situated within the context of Costain's extensive work with Thames Water on critical water and wastewater infrastructure projects, specifically focusing on the Thames Valley and Thames South regions. The "AMP8" designation indicates a significant, regulated investment period for water companies in the UK, suggesting substantial project scope and strategic importance. The hybrid work arrangement implies a balance between in-office collaboration and remote work flexibility, typical for management roles requiring team oversight and strategic planning.

📈 Primary Responsibilities

• Accountable for the comprehensive design and engineering delivery of assigned water and wastewater projects or sections of major projects within the AMP8 framework.

• Manage and mentor a team of designers, ensuring all design outputs are technically accurate, safe, sustainable, and constructible, aligning with project specifications and regulatory requirements.

• Develop and implement robust design management plans, including scheduling, resource allocation, risk assessment, and budget control, to ensure on-time and within-budget project completion.

• Collaborate closely with project managers, construction teams, and other stakeholders to ensure seamless integration of design into the overall project delivery, facilitating effective communication and problem-solving.

• Conduct regular design reviews and technical assurance checks to guarantee compliance with industry standards, client requirements, and Costain's quality and safety protocols.

• Contribute to bid and tender processes by providing expert input on design strategy, feasibility, and cost estimations for new projects.

• Foster a culture of continuous improvement within the design team, promoting the adoption of best practices, new technologies, and innovative solutions to enhance efficiency and sustainability.

• Manage the interface with external consultants and suppliers, ensuring their design contributions meet project objectives and quality standards.

📝 Enhancement Note: The responsibilities emphasize a dual focus on both technical design oversight and people management. The role requires not only a strong understanding of engineering principles within the water sector but also the ability to lead and motivate a design team. The inclusion of bid support highlights the strategic contribution this role makes beyond project execution.

🎓 Skills & Qualifications

Education:

• Bachelor's degree in a relevant engineering discipline (e.g., Civil, Mechanical, Environmental Engineering) or a related technical field.

Experience:

• 5-10 years of progressive experience in design management, engineering management, or a similar leadership role within the infrastructure, water, or wastewater sectors.

• Proven track record of successfully managing design aspects of complex capital projects, from conception through to construction.

Required Skills:

• Design Management: Expertise in leading and orchestrating the design process for large-scale infrastructure projects.

• Engineering Principles: Strong understanding of civil engineering, water/wastewater treatment processes, and construction methodologies.

• Project Management Fundamentals: Proficiency in project scheduling, scope definition, resource allocation, and risk management.

• Technical Compliance & Quality Assurance: Ability to ensure designs meet all relevant industry standards, regulations, and client specifications.

• Budget Management: Experience in controlling design costs and contributing to overall project financial control.

• Stakeholder Management: Skillful in communicating with and influencing internal teams, clients, and external partners.

• Sustainable Design Practices: Knowledge of incorporating environmental and sustainability considerations into design solutions.

• Risk Management: Ability to identify, assess, and mitigate design-related risks.

Preferred Skills:

• Professional Chartership: Membership with a recognized professional engineering body (e.g., MICE - Institution of Civil Engineers, IMechE - Institution of Mechanical Engineers, MCIOB - Chartered Institute of Building).

• Project/Risk Management Training: Certification or formal training in project management (e.g., PRINCE2, PMP) or risk management.

• Digital Design Tools: Familiarity with BIM (Building Information Modelling) and other advanced digital design software.

• Contract Management: Understanding of various contract types used in construction and engineering projects.

• Leadership Development: Experience coaching and developing junior engineers and designers.

📝 Enhancement Note: The emphasis on professional chartership (MICE, IMechE, MCIOB) indicates a strong preference for formally recognized expertise in the relevant engineering fields. This suggests that candidates with these credentials will be highly competitive. The inclusion of "5-10 years" for the AI-derived experience level aligns with a mid-level management position requiring a solid foundation of practical experience.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Design Project Case Studies: Showcase 2-3 significant design management projects, detailing the scope, challenges, your role, design solutions implemented, and project outcomes.

• Process Optimization Examples: Include instances where you identified and implemented improvements to design workflows, methodologies, or collaboration tools, demonstrating efficiency gains.

• Technical Compliance Documentation: Provide examples of how you ensured technical integrity and compliance with standards, potentially including review processes or quality checklists.

• Risk Mitigation Strategies: Present a case study illustrating how you proactively managed design-related risks, including identification, assessment, and mitigation actions taken.

• Budget Management Evidence: Demonstrate your ability to manage design budgets effectively, perhaps through examples of cost-saving initiatives or accurate forecasting.

Process Documentation:

• Workflow Design & Optimization: Detail your approach to designing and refining engineering workflows, from concept development to detailed design, ensuring clarity and efficiency.

• System Implementation & Integration: Showcase experience with implementing or integrating design software, collaboration platforms, or BIM systems into project processes.

• Performance Measurement & Analysis: Explain how you track and analyze design performance metrics, such as design completion rates, budget adherence, and technical issue resolution times, to drive continuous improvement.

📝 Enhancement Note: For a Design Manager role, a portfolio is crucial. It should not just list projects but demonstrate a strategic approach to design leadership, process improvement, and risk mitigation. The emphasis on "process optimization" and "performance measurement" signals that Costain values a data-driven and efficiency-focused approach to design management.

💵 Compensation & Benefits

Salary Range:

Benefits:

• Competitive Pension Scheme: Generous employer contributions to a defined contribution pension plan.

• Health and Wellbeing Programs: Access to employee assistance programs, health insurance options, and wellbeing initiatives.

• Professional Development: Support for continuous learning, including funding for relevant training, certifications, and chartership fees.

• Generous Annual Leave: A standard entitlement of annual leave, with opportunities to increase this with service.

• Life Assurance: Company-paid life assurance cover.

• Cycle to Work Scheme: Opportunities to purchase bicycles and accessories tax-efficiently.

• Discretionary Bonus Scheme: Potential for performance-related bonuses.

Working Hours:

• Standard full-time working hours are typically 40 hours per week.

• The hybrid work arrangement allows for flexibility, with expectations for in-office presence for key meetings, collaborative sessions, and team engagement, balanced with remote work capabilities.

📝 Enhancement Note: The salary range is an estimation based on typical compensation for similar roles in the UK's infrastructure and engineering sector, considering the specified experience level and location. Benefits are standard for a large, established company like Costain, with a strong emphasis on professional development and long-term employee welfare.

🎯 Team & Company Context

🏢 Company Culture

Industry: Engineering & Construction, specializing in Smart Infrastructure Solutions. Costain operates across the UK's energy, water, transportation, and defence markets, focusing on blue-chip clients with critical national infrastructure needs.

Company Size: Large Enterprise (typically 5,000+ employees). This scale suggests robust internal processes, a structured career development framework, and a wide array of projects and opportunities.

Founded: Costain was founded in 1845, indicating a long-standing history, deep industry expertise, and a stable corporate foundation.

Team Structure:

• Reporting: The Design Manager will report to a Principal or Senior Design Manager, forming part of a wider design management team.

• Collaboration: The role involves close collaboration with project managers, construction teams, engineers, designers, and potentially external consultants and clients.

• Specialization: The design team is likely structured to support various project types and engineering disciplines within the water and wastewater sector.

Methodology:

• Data-Driven Decisions: Costain emphasizes utilizing data and digital solutions for optimized project delivery and asset management.

• Integrated Solutions: The company promotes a holistic approach, offering services across the entire asset lifecycle, from strategic consultancy to complex program delivery.

• Safety & Sustainability Focus: A core tenet of Costain's operations is ensuring safety and embedding sustainability in all project aspects.

Company Website: https://www.costain.com/

📝 Enhancement Note: Costain's long history and focus on "smart infrastructure solutions" suggest a company that values innovation, long-term strategy, and a commitment to national essential services. The emphasis on diverse perspectives and inclusivity ("even if you don’t tick every box") points to a progressive and modern company culture.

📈 Career & Growth Analysis

Operations Career Level: Mid-Management. This level signifies responsibility for managing a specific function or team, contributing to strategic planning, and mentoring junior staff. The Design Manager role is pivotal in ensuring the technical success and efficiency of project design.

Reporting Structure: Direct reporting to a Senior or Principal Design Manager, indicating a clear line of progression and mentorship. This structure allows for learning from experienced leaders while demonstrating capability for higher-level responsibilities.

Operations Impact: The Design Manager has a significant impact on project success by ensuring designs are safe, sustainable, cost-effective, and delivered on time. Their work directly influences project feasibility, constructability, operational efficiency, and client satisfaction, ultimately contributing to Costain's reputation and profitability in the infrastructure sector.

Growth Opportunities:

• Senior Design Manager/Principal Design Manager: Progression to managing larger, more complex projects or leading a broader portfolio of work, with increased strategic input and team leadership.

• Technical Specialization: Deepening expertise in specific areas of water/wastewater engineering or design management methodologies.

• Program Management: Transitioning into broader program management roles, overseeing multiple projects and frameworks.

• Operational Excellence Roles: Moving into roles focused on improving design processes, implementing new technologies, or leading innovation initiatives within Costain's operations.

• Leadership Development Programs: Participation in Costain's internal leadership training and development programs to hone strategic thinking, advanced management skills, and executive presence.

📝 Enhancement Note: The growth path within Costain for a Design Manager is well-defined, moving from project-level design leadership to broader strategic and programmatic responsibilities. The company's focus on "smart infrastructure" suggests opportunities to engage with cutting-edge digital technologies and sustainable solutions, offering diverse avenues for career development.

🌐 Work Environment

Office Type: Hybrid. This involves a combination of working from Costain's office in Camberley and remote work. The office environment is expected to be professional and collaborative, designed to facilitate team meetings, workshops, and focused work.

Office Location(s): Camberley, Surrey, United Kingdom. This location provides access to a skilled workforce and is strategically positioned within the Thames Valley region, a key area for infrastructure projects.

Workspace Context:

• Collaborative Spaces: Offices likely feature meeting rooms, hot-desking areas, and breakout zones to encourage interaction and knowledge sharing among project teams.

• Technology Infrastructure: Access to robust IT systems, design software, and communication tools necessary for managing complex engineering projects.

• Team Interaction: Regular opportunities for face-to-face interaction with fellow design managers, project leaders, and other key project stakeholders, fostering strong working relationships.

Work Schedule:

• The standard 40-hour work week is complemented by hybrid flexibility. This allows for a degree of autonomy in managing one's schedule to balance project demands with personal needs, while ensuring availability for critical team and client interactions.

📝 Enhancement Note: The hybrid model indicates a modern work approach, balancing the need for in-person collaboration essential for complex design management with the flexibility that enhances employee well-being and productivity. The office location in Camberley is likely a hub for operations serving the Thames Water region.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: HR or a recruitment specialist will review your application and CV, assessing against the core requirements.

• Hiring Manager Interview: A discussion with the Principal/Senior Design Manager to evaluate your technical expertise, experience in design management, and understanding of water/wastewater projects. You may be asked about specific project examples and your approach to managing design teams.

• Technical/Case Study Assessment: This stage might involve a presentation of your portfolio, focusing on a specific design challenge, problem-solving approach, or process improvement initiative. Expect questions on risk management, technical compliance, and sustainable design.

• Team/Stakeholder Interview: An opportunity to meet potential colleagues and cross-functional stakeholders (e.g., Project Managers) to assess cultural fit, collaboration style, and communication skills.

• Final Interview: Potentially with a senior leader within the operations or delivery division to discuss strategic alignment and long-term career aspirations.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 of your most relevant and impactful design management projects. Focus on those with clear objectives, significant challenges, and measurable positive outcomes.

• Structure for Impact: For each project, clearly articulate the problem, your role and responsibilities, the design solutions implemented, the processes used (especially for optimization), and the quantifiable results (e.g., cost savings, schedule adherence, safety improvements).

• Highlight Process Innovation: Specifically showcase instances where you improved design workflows, adopted new technologies (like BIM), or implemented robust risk management frameworks.

• Demonstrate Leadership: Emphasize your leadership in managing design teams, fostering collaboration, and driving technical excellence.

• Tailor to Costain: Research Costain's values and current projects (especially with Thames Water) and subtly weave in how your experience aligns with their strategic goals and operational priorities.

Challenge Preparation:

• Anticipate Design Challenges: Be prepared to discuss hypothetical scenarios related to design conflicts, scope creep, budget constraints, or technical hurdles in water/wastewater projects.

• Process Improvement Scenarios: Think about how you would approach improving an existing design process, introducing new technology, or enhancing team collaboration for efficiency.

• Risk Management Scenarios: Prepare to discuss how you would identify and mitigate risks associated with a complex design project, such as environmental impacts or regulatory changes.

• Presentation Skills: Practice presenting your portfolio concisely and engagingly, ensuring you can articulate complex information clearly and answer follow-up questions effectively.

📝 Enhancement Note: The interview process is likely multi-stage, common for management roles in large engineering firms. The portfolio review is a critical component, requiring candidates to demonstrate not just experience but a strategic and process-oriented approach to design management. Case studies focusing on process optimization and risk mitigation will be highly valued.

🛠 Tools & Technology Stack

Primary Tools:

• CAD Software: Proficiency with industry-standard Computer-Aided Design software (e.g., AutoCAD, Civil 3D) for reviewing and understanding technical drawings.

• BIM Software: Familiarity with Building Information Modelling platforms (e.g., Autodesk Revit, Navisworks) for integrated design, coordination, and clash detection.

• Design Management Platforms: Experience with project management and collaboration tools that facilitate design review, document control, and communication (e.g., Aconex, Procore, Bentley ProjectWise).

• Microsoft Office Suite: Advanced proficiency in MS Project for scheduling, Excel for data analysis and reporting, and PowerPoint for presentations.

Analytics & Reporting:

• Data Analysis Tools: Ability to interpret data from design models and project management systems to identify trends, assess performance, and inform decision-making.

• Reporting Dashboards: Experience with creating or utilizing dashboards to visualize design progress, key performance indicators (KPIs), and risks.

CRM & Automation:

• Project Management Information Systems (PMIS): Understanding of how CRM-like systems or dedicated PMIS are used to manage project information, communication, and workflows.

• Workflow Automation Tools: Familiarity with concepts or tools that can automate repetitive design-related tasks or approval processes.

📝 Enhancement Note: While the specific tools aren't listed, proficiency with industry-standard CAD and BIM software is a given. The emphasis for a Design Manager will be on how these tools are integrated into broader project management and collaboration platforms to drive efficiency and ensure technical compliance across multidisciplinary teams.

👥 Team Culture & Values

Operations Values:

• Safety First: An unwavering commitment to the health and safety of employees, the public, and the environment in all design decisions and project execution.

• Integrity & Ethics: Conducting business with the highest standards of honesty, transparency, and ethical behavior, particularly crucial when working on regulated projects with public bodies like Thames Water.

• Innovation & Continuous Improvement: A drive to embrace new technologies, challenge existing methods, and constantly seek more efficient, sustainable, and effective ways to deliver infrastructure solutions.

• Collaboration & Teamwork: Fostering an environment where diverse perspectives are valued, and cross-functional teams work together seamlessly to achieve common goals.

• Customer Focus: A dedication to understanding and meeting client needs, delivering high-quality outcomes that provide lasting value.

Collaboration Style:

• Cross-Functional Integration: Encouraging open communication and strong working relationships between design teams, construction crews, commercial departments, and client representatives.

• Proactive Communication: Emphasizing early and frequent communication to identify and resolve potential issues before they impact project timelines or budgets.

• Knowledge Sharing: Promoting a culture where lessons learned from projects are captured, shared, and applied to future endeavors to drive collective improvement.

• Constructive Feedback: Valuing constructive feedback loops to refine designs, processes, and team performance.

📝 Enhancement Note: Costain's values, particularly "Safety First" and "Integrity," are paramount in the infrastructure sector. The emphasis on "Innovation" and "Collaboration" aligns with their "smart infrastructure solutions" vision and the need for multidisciplinary teamwork in complex projects.

⚡ Challenges & Growth Opportunities

Challenges:

• Managing Complex Interdependencies: Balancing the needs of various engineering disciplines, construction constraints, regulatory requirements, and client expectations within a single project.

• Driving Innovation in a Traditional Sector: Introducing and embedding new technologies and sustainable practices within a sector that can sometimes be resistant to change.

• Maintaining Design Quality Under Pressure: Ensuring high standards of technical accuracy and safety are upheld amidst tight deadlines and budget constraints.

• Adapting to Evolving Regulations & Standards: Staying abreast of and implementing changes in environmental, safety, and technical regulations relevant to water and wastewater infrastructure.

Learning & Development Opportunities:

• Advanced Design Management Techniques: Access to training on cutting-edge design management methodologies, Lean construction principles, and digital transformation in engineering.

• Sustainability & Decarbonization: Opportunities to specialize in sustainable design, circular economy principles, and decarbonization strategies within infrastructure projects.

• Leadership & Mentorship: Participation in formal leadership development programs and opportunities to mentor junior engineers, gaining valuable leadership experience.

• Industry Conferences & Certifications: Support for attending key industry events and obtaining relevant professional certifications that enhance expertise and career prospects.

📝 Enhancement Note: The challenges highlight the dynamic and demanding nature of infrastructure project management. The growth opportunities are geared towards developing both technical expertise and leadership capabilities, preparing individuals for senior roles within Costain's expanding smart infrastructure domain.

💡 Interview Preparation

Strategy Questions:

• "Describe your approach to managing the design process for a large-scale water infrastructure project. What are the key phases and potential pitfalls?" (Focus on structured process, risk identification, and stakeholder engagement.)

• "How do you ensure technical compliance and safety standards are met throughout the design lifecycle, especially when dealing with multiple engineering disciplines?" (Emphasize QA/QC processes, review cycles, and clear communication protocols.)

Company & Culture Questions:

• "What interests you most about Costain's work in smart infrastructure and our partnership with Thames Water?" (Research Costain's projects, values, and recent news; connect your career goals to their mission.)

• "How do you foster a collaborative environment within a design team, and how would you integrate with construction and project management teams?" (Discuss your communication style, conflict resolution approach, and emphasis on cross-functional teamwork.)

Portfolio Presentation Strategy:

• The "Why, What, How, So What" Framework: For each case study, clearly articulate the project's objective (Why), the design solutions implemented (What), the process and tools used (How), and the quantifiable outcomes and lessons learned (So What).

• Quantify Your Impact: Use specific numbers and data wherever possible to demonstrate the tangible benefits of your design management.

• Focus on Process & Leadership: Don't just show the final design; explain your management processes, how you led your team, and how you navigated challenges.

• Visual Aids: Use clear, concise slides with relevant diagrams, charts, or before-and-after comparisons if applicable. Keep text minimal and focus on your verbal explanation.

• Engage and Discuss: Be prepared for questions and treat the presentation as a two-way conversation to showcase your problem-solving skills and strategic thinking.

📝 Enhancement Note: Interview preparation should focus on demonstrating a blend of technical acumen, leadership capability, and strategic thinking. The portfolio presentation is a key opportunity to showcase practical application of design management principles and impact.

📌 Application Steps

To apply for this Design Manager position:

• Submit Your Application: Navigate to the provided application link on Oracle Cloud and complete the online application form.

• Tailor Your CV: Ensure your CV clearly highlights your experience in design management, engineering leadership, and relevant project types (water/wastewater infrastructure). Use keywords from the job description and emphasize achievements with quantifiable results.

• Prepare Your Portfolio: Curate a portfolio that showcases 2-3 of your most impactful design management projects. Focus on demonstrating your process optimization, risk management, and leadership skills. Be ready to present this confidently.

• Research Costain & Thames Water: Understand Costain's mission, values, and their specific work with Thames Water on AMP8 projects. This will help you tailor your application and interview responses.

• Practice Interview Responses: Prepare answers to common interview questions, especially those related to design challenges, team management, and process improvements, using the STAR method where appropriate. Rehearse your portfolio presentation.

⚠️ 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.