Principal Mechanical Engineer Horsham, London, Oxford United Kingdom Published on 2025-06-17

AFRY Finland; Horsham, London, Oxford; Hybrid; GBP 45,000 - 65,000; Full time

Job summary

AFRY Finland is seeking an experienced engineer to join their Energy Division focusing on Thermal and Renewable Energy. This role involves providing technical leadership, delivering high-quality designs, and supporting construction efforts while contributing to business development. The ideal candidate will hold a degree in engineering and Chartered status, with opportunities for personal development in a multidisciplinary team committed to sustainability.

Benefits

25 days holiday each year

Private medical insurance

Life assurance

Pension scheme

Enhanced maternity and paternity pay

Back up childcare support

Return to work coaching

Qualifications

• Minimum 2:1 degree in mechanical or chemical engineering.
• Chartered Engineer status required.
• Relevant industry experience preferred.

Responsibilities

• Provide technical leadership across design and analysis.
• Deliver high-quality design outputs and reports.
• Support construction through site inspections.

Skills

Technical leadership

Problem-solving

Business development

Education

2:1 degree in mechanical or chemical engineering

Chartered Engineer status

Job description

The opportunity exists for an experienced engineer to join AFRY’s Energy Division within the expanding Thermal and Renewable Energy team in the UK.

You will provide clients with help and support at all project stages, including: technical and economic feasibility studies, technology assessments, technical due diligence reviews, Lenders’ Engineer services, front end engineering design (FEED) studies, owner’s engineer services, engineering-procurement-construction-management (EPCM) services, operation and maintenance support and optimisation and expert witness services.

YOUR TASKS:

Your key tasks and responsibilities will be:

• Provide technical leadership across design, analysis, and problem-solving for engineering projects.
• Deliver and review high-quality design outputs, reports, and documentation.
• Support construction through site inspections, testing, and risk mitigation.
• Contribute to business development and represent the company professionally.
• Mentor junior engineers and continuously develop technical expertise.

Qualifications

• You hold a minimum 2: 1 degree in mechanical or chemical engineering.
• Chartered Engineer status.
• Relevant industry experience.

ADDITIONAL CANDIDATE REQUIREMENTS:

Experience of one or more of the following would be an advantage but not essential:

• Recognised Project Management training;
• Previous experience of providing consulting services in a multi-disciplinary engineering environment;
• Commercial awareness and contract knowledge (e.g. IChemE or FIDIC);
• Design experience gained from concept development and detailed engineering;
• Practical experience gained from construction, commissioning, and testing;
• Thermal power plant experience such as biomass power plant, waste to energy plant, gas fired power plant etc.
• Energy transition technologies such as carbon capture, green hydrogen, green ammonia, power to X, etc.
• Knowledge of software for thermal modelling of water/steam cycles (e.g. SteamPro).

WHAT WE CAN OFFER:

• Exciting and challenging projects.
• Personal development opportunities (e.g., technical expert, project management)
• Friendly working atmosphere in a multidisciplinary and international team with a lot of personal responsibility
• Helping to shape a sustainable future

Company Description

AFRY provides engineering, design, digital and advisory services to accelerate the transition towards a sustainable society.

AFRY employs over 18,000 professionals in more than 50 countries. Net sales in 2024 were just under£2 billion.

AFRY is organised into five Divisions: Energy; Infrastructure; Management Consultancy; Process Industries and Industrial and Digital Solutions.

The Energy Division employs over 2,100 professionals and provides engineering and consulting services to clients in over 80 countries.

We deliver expert-led engineering services. Trusted as a partner by the global energy sector, our expertise covers every aspect of power generation and energy market analysis, from the pre-investment phase to plant operation. We take pride in being committed to sustainable development and the clean energy transition which protects the environment as well as making good business sense in everything we do. We operate in the following sectors: hydro power, thermal heat and power, nuclear energy and transmission and distribution.

Additional Information

Available office locations for this position are either London, Oxford, Horsham or Manchester. We are flexible on the office location for this position, please indicate your preference in your covering letter. We value a healthy work life balance and are committed to your wellbeing. We will consider a range of flexible working arrangements, including part-time, flexible working patterns and we operate a hybrid working environment.

We offer an excellent range of benefits, including 25 days holiday each year, private medical insurance, life assurance and a pension scheme. We also offer enhanced maternity and paternity pay offering 16 weeks full pay for both parents. This is supported by generous family support options such as, back up childcare support and return to work coaching.

We are excited to receive your application, please ensure your cover letter not only sets out how you are a great fit for this role and confirm your right to work in the UK as this role does not include sponsorship for a Skilled Worker visa.

Should you be successful you will be invited for a telephone interview following which, a virtual face to face interview. To allow us to assess your skills in practice this will be accompanied by analytical reasoning exercises.

At AFRY, we engineer change in everything we do. Change happens when brave ideas come together. When we collaborate, innovate technology, and embrace challenging points of view. That’s how we're making future. We are actively looking for qualified candidates to join our inclusive and diverse teams across the globe. Join us in accelerating the transition towards a sustainable future.