Graduate Mechanical Engineer - Croydon

Pell Frischmann group; Croydon; On-site; GBP 25,000 - 30,000; Full time

Job summary

A leading engineering consultancy in Croydon is seeking a Graduate Mechanical Engineer to join their Early Careers cohort in September 2026. This role involves assisting in mechanical design for water and wastewater treatment facilities and collaborating with multidisciplinary teams on key projects. Candidates should possess a degree in Mechanical Engineering and strong communication skills, with a keen interest in further developing within this field. The position offers a comprehensive 2-year graduate programme aimed at professional development.

Qualifications

• Keen interest in a career within Mechanical Engineering Design.
• Working towards or interest in Chartership (IMechE or equivalent).
• Graduate or early-career level (0–2 years).

Responsibilities

• Assisting with mechanical design for water and wastewater treatment facilities.
• Supporting the specification of mechanical equipment such as pumps and valves.
• Producing and checking mechanical calculations and technical schedules.

Skills

Understanding of core mechanical engineering principles

Strong communication and teamwork skills

Proactive approach and eagerness to learn

Education

Degree (BEng or MEng) in Mechanical Engineering or a related discipline

Tools

Microsoft Office

2D/3D CAD tools (e.g. AutoCAD, Inventor, SolidWorks)

Job description

As part of our September 2026 Early Careers cohort, we are looking to hire a Graduate Mechanical Engineer to be based in our Croydon office.

You will be joining a hard working and experienced team specialising predominantly on wastewater and clean water projects, infrastructure, or non-infrastructure.

The team work collaboratively across the UK and this role would be based in our Croydon office. You will have the opportunity to work on many key projects in the Water sector. One of our recent successes was the upgrade of the Arley Sewage Treatment Works to comply with stringent water quality targets under the Water Framework Directive. Please follow the link to find out more and explore other exciting projects you could be working on!

On joining Pell Frischmann you will become part of an expert, multidisciplinary team where you will gain training and experience in your chosen specialism. Woking alongside an experienced multidisciplinary engineering team you will be engaged in projects from conception through to tender and construction. Generally, schemes will include site visits, internal and client design review meetings, contractor, and vendor liaison etc.

Additionally, you will be enrolled onto our 2 year Graduate programme. This exciting programme is built around the competence requirements of professional institutions and a great way to kick start your career. You will have opportunity to network with others graduates across the Group and develop key skills such as project management, business and personal effectiveness.

Key Responsibilities

• Assisting with mechanical design for water and wastewater treatment facilities

• Supporting the specification of mechanical equipment (e.g. pumps, valves, pipework, screens)

• Producing and checking mechanical calculations and technical schedules

• Supporting the preparation of drawings, datasheets, and design reports

• Working collaboratively with civil, electrical, and process design teams

• Supporting risk assessments, design reviews, and value engineering exercises

• Learning and applying water industry standards and best practice

Skills, Experience & Qualifications

Category	Essential	Desirable
Qualifications	Degree (BEng or MEng) in Mechanical Engineering or a related discipline	Working towards or interest in Chartership (IMechE or equivalent)
Experience	Graduate or early-career level (0–2 years)	Experience through placements, internships, or a year in industry in water or process engineering
Technical Skills	Understanding of core mechanical engineering principles	Knowledge of water/wastewater treatment processes
Ability to produce calculations and technical documentation	Familiarity with pumps, pipework systems, and rotating equipment
Awareness of health & safety and design risk management	Experience with non-infra water assets and treatment plant design
Software & Tools	Competence in Microsoft Office	Experience with 2D/3D CAD tools (e.g. AutoCAD, Inventor, SolidWorks)
Willingness to learn new engineering software	Familiarity with industry design tools or BIM environments
Personal Skills	Strong communication and teamwork skills	Ability to manage small design tasks independently
Proactive approach and eagerness to learn	Client-facing experience or site exposure

To be considered for this role you would need to have a keen interest in a career within Mechanical Engineering Design and come from an Mechanical Engineering Study Background too.

Right to Work Requirements
We are unable to provide visa sponsorship for this role due to salary thresholds. Applicants must already have theexisting, unrestricted right to work in the UK for the full duration of our 2 to 3 year graduate programme. Unfortunately, this means we cannot accept applications where the right to work is time-limited and would expire before the programme ends(July 2029).