Graduate Mechanical Design Engineer

Coffey; United Kingdom; Remote; GBP 40,000 - 55,000; Full time

Job summary

Coffey is seeking an Mechanical Engineer to support MEICA design for water and wastewater projects across UK sites. You will work with the Senior Mechanical Engineer and Design Manager to deliver robust mechanical components, drawings, and documentation that meet project requirements.

You will develop PFDs, P&IDs, equipment schedules, and calculations while collaborating with suppliers and customers. A strong background in mechanical engineering and CAD tooling is essential for success.

Qualifications

• Bachelor’s degree in mechanical engineering.
• Effective time management and communication skills.
• A knowledge of Microsoft Office and 2D/3D CAD software.
• Strong analytical, problem-solving, and critical thinking skills.
• Ability to work on multiple assignments and prioritise conflicting deadlines.
• Strong communication skills to build relationships and explain technical drawings.
• Eagerness to learn, adapt, and work in a team-oriented environment.
• Understanding of Project Management principles
• Report writing

Responsibilities

• Support the delivery of preliminary and detailed design of water/wastewater plants to meet contract requirements.
• Contribute to mechanical design for water/wastewater delivery and plant equipment.
• Build relationships with supply chain partners and customers.
• Apply software to provide advice and achieve project objectives.
• Develop drawings of equipment and plant layouts as required.
• Develop PFDs, P&IDs and equipment schedules.
• Support hydraulic, energy, and mechanical calculations in detailed design.
• Ensure health, safety, ethics and quality requirements are met.
• Understand specifications, drawings, and contract documents.
• Oversee project delivery with tracking, reporting and programme management.
• Assist FAT/SAT testing and inspection of installations on site.
• Develop commissioning documents and project records.
• Support pricing of MEICA equipment.
• Undertake project administrative duties (daily/weekly submissions).

Skills

Time management

Communication

Analytical thinking

Education

Bachelor's degree in mechanical engineering

Tools

Microsoft Office

2D/3D CAD software

Job description

About The Role

Role Summary: The postholder will collaborate with the Senior Mechanical Engineer, Design Manager, CAD/BIM and other engineering disciplines to support the MEICA design and project teams to enhance Coffey Water’s project delivery with a focus on MECIA detailing and selections.

Key Responsibilities

• Support the delivery of preliminary and detailed design of water / wastewater treatment plants based on data provided; to meet contract requirements.
• Contribute to the design of mechanical components for Water and Wastewater delivery, collection networks, and associated plants for treatment. Including pumps, pumping stations, filters, filtration systems, hydraulic design and the selection of appropriate valve/pipe.
• Build relationships with supply chain partners (Products/Services) and customers.
• Application of appropriate software to provide advice, solutions and successful outcomes with a focus on achieving project objectives.
• Adopt relevant standards in design to streamline engineering tasks and be efficient
• Developing drawings of equipment and plant layouts as required.
• Supporting the development of PFDs (Process Flow Diagrams), P&IDs (Process & instrumentation Drawings) and equipment schedules.
• Support the development of hydraulic, energy, and mechanical calculations as part of the detailed design.
• Ensure Health & Safety, Ethical and Quality requirements, both legislative and company specific, are fully respected and taken account of.
• Understand Specifications, Drawings and other Contract Documents.
• Oversee the delivery of projects, through tracking, commercial reporting, progress updates and programme management.
• Support testing of (FAT and SAT) of package plant, inspection and assessment of Mechanical installations on site.
• Develop commissioning documents and project specific records under guidance
• Support pricing of mechanical, electrical, instrumentation, control and automation (MEICA) equipment
• Undertake project administrative duties to meet contract obligations (daily and weekly submissions of project allocations, plant, labour and materials)

About You

Essential Criteria

• Bachelor’s degree in mechanical engineering
• Effective time management and communication skills.
• A knowledge of Microsoft Office and 2D/3D CAD software.
• Strong analytical, problem-solving, and critical thinking skills.
• Ability to work on multiple assignments and prioritise conflicting deadlines
• Strong communication skills to build relationships and explain technical drawings
• Eagerness to learn, adapt, and work in a team-oriented environment.

• Understanding of Project Management principles
• Report writing

Desirable Criteria

• Courage to challenge status quo when driving innovation
• Some travel required across Coffey sites
• Some understanding of construction industry
• Develop and maintain basic commercial awareness
• Undertake continued professional development (CPD).
• Keep informed of emerging industry trends in technology.

About Us

Coffey is a water infrastructure and civil engineering specialist operating in every major construction sector throughout Ireland and the UK. Passionate about quality and efficiency, this passion drives our belief in delivering projects with the best workforce. The hallmarks of our work are innovative solutions, engineering ingenuity, professional construction management and the highest level of safety and quality. We pride ourselves in nurturing an environment that empowers critical thinking, creative problem-solving, customer focus, efficiency and flexibility.

Coffey values are at the heart of everything we do – Do the right thing, Do it better, Do it together.