Rail Energy & Emissions Modelling Consultant

Aether is a niche environmental consultancy based in Oxford that specialises in the compilation of air pollutant and greenhouse gas emission inventories and the analysis of emissions data for specific sectors, cities, regions and countries.

We have detailed knowledge of the rail sector, including expertise in estimating and modelling train energy usage and emissions and how these vary across the UK rail network by traffic level and rolling stock type. Our clients include RSSB, Defra, TfL and other railway industry stakeholders.

We are looking for a highly numerate graduate with a demonstrated interest in current UK railway operations, and preferably with a knowledge of improving air quality and addressing climate change. We value pro-active staff who are well organised, show attention to detail, and exude a passion for skill development and continued learning.

Job Summary

The successful applicant will contribute to a wide-ranging portfolio of rail projects at Aether, as well as business development tasks. The post holder will spend most of their time working on technical rail projects, undertaking the processing, analysis and mapping of data, energy and emissions modelling, desk-based research, and presenting/discussing the results with the project managers. Contributions to other project areas such as report writing, presentations and meetings with customers can also be expected, as well as some administrative tasks.

Required Skills

  • A 1st or 2:1 degree in a relevant engineering or scientific subject (and preferably qualified at the Masters level);
  • Excellent numerical and data handling skills are essential. Existing knowledge and application of MS Excel, GIS and coding programmes (R, Python) will be beneficial;
  • Knowledge of the current UK railway network and operations;
  • Good organisational skills, and the ability to work on simultaneous tasks;
  • A high standard of report writing, and good interpersonal skills.

Working for Aether

Aether is committed to bringing the best technical knowledge and data management to deliver high quality services and enable our customers to make good decisions. We are always working towards our company values and goals, recognising that our wellbeing and relationships (with our environment, clients, collaborators, and colleagues) are central to the success we have as a business.

Aether is committed to promoting equity, diversity and inclusion at every level of the business. In order for us fulfil this commitment, Aether is recognised as a Disability Confident Employer. As members of the scheme, Aether will ensure that any applicant who has a disability as defined by the Equality Act 2010, is eligible to request that their application be considered for a guaranteed interview for any role, providing the applicant meets the essential role criteria set out in the job description. Please contact recruit@aether-uk.com for further information and to discuss reasonable adjustments needed regarding your application.


Aether offers an attractive remuneration and benefits package including:

  • Attractive salaries and bonus scheme (salary offered will be dependent on experience)
  • Annual leave, 32 days (bank holidays included) and additional days off between Christmas and New Year
  • Environmental leave: up to three days per year volunteering for environmental good causes
  • Positive work environment and team days: we encourage collaborative working, promote work social activities and organise company-wide conservation days.

Working hours and location

We offer flexibility around the normal working hours of 09:00 to 17:30 Monday to Friday.

The position is based at Aether’s Oxford office.


Please send a CV and a covering letter explaining why you are interested in this role and how your interests and previous experience would bring benefits to Aether. Send it to: recruit@aether-uk.com. All applicants must be eligible to live and work in the UK.


Don't just take our word for it...

“A heartfelt thank you to all the Aether team for this very comprehensive review – this is certainly turning out to be one of the most beneficial capacity building projects I have ever been involved in.”

Saviour Vassallo, Senior Environment Protection Officer, Malta Resources Authority

“The Aether team were a joy to work with and I would recommend the consultancy - the service provided throughout the process was exceptional.”

Clare Bayley, Defra

“Chris was excellent to work with and always very pro active in making suggestions, taking work forward and applying his considerable technical knowledge in effective ways.”

Robert Vaughan, Defra Air Quality Team

“Professional team and very collaborative communication. Effective result in terms of suggestions for improvement in the quality of the inventory and proposals on how to streamline specific topics.”

Italian Institute for Environmental Protection and Research

“It is always an absolute pleasure working with Aether. I always know what is expected of me. Their work ethic is of a very high standard and projects are always handled in a very professional manner. I have learnt many skills in terms of project management, quality control and workshop training styles from Aether and I hope to carry these principles forward in my own work. I look forward to collaborating with Aether more in the future.”

Luanne Stevens, Gondwana

“Both the face-to-face training and the online version have been of high quality, with dynamic methods and a practical orientation that have allowed students to reach a solid knowledge base. The products have been delivered within the stipulated deadlines with an excellent quality and the team has always shown willingness to make adjustments according to the requirements of CONAF. We are very satisfied with the work. ”

Javier Cano Martín, Professional Unit for Climate Change and Environmental Services, CONAF (National Forestry Corporation), Chile

“If we have a need for any more reports in the future Aether will be first on my list.”

Alan Hardy, Kyson Design

“The professional service provided by your company was of very high quality and completed within agreed timelines.”

Matthew Dudley, UNFCCC Secretariat

“I must congratulate each of you for your professional and tireless efforts. Let me point out that this has been the 'neatest' in-country review expert review team I have coordinated, and it has been a real pleasure.”

UNFCCC Secretariat

“We have been collaborating with Aether for several years, and our projects have greatly benefited from it. Aether staff are very knowledgeable, professional and flexible - and last but not least, very friendly and a pleasure to work with.”

Umhverfisstofnun, Environment Agency of Iceland

Contact us

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Call us on +44 1865 261 466, complete the short form below, or go to the Contact page

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