Senior Fisheries Stock Assessor

Centre for Environment, Fisheries and Aquaculture Science

Apply before 11:55 pm on Thursday 10th February 2022


Reference number



£35,895 - £41,660


Senior Executive Officer
Pay band 6 (Senior Scientific Officer)

Contract type


Type of role


Working pattern

Flexible working, Full-time, Job share, Part-time

Number of posts



The location for this role is flexible and will be contractually based at one of the Cefas sites, Lowestoft or Weymouth. Some travel to either site will be required. We welcome flexible working and are open to a hybrid approach of working from home and in an office. The successful candidate is required to carry out all their duties from a UK location and cannot do so from an overseas location at any time, unless travelling for business purposes.

About the job


This post provides an opportunity to join an internationally respected, dynamic, and active team leading on fisheries science, stock assessments and management advice. The team delivers leading science and advice to both national and international marine management organisations including Defra, the Foreign, Commonwealth and Development Office, Regional Fisheries Management Organisations, the International Council for Exploration of the Seas (ICES), and a variety of research projects to assess sustainability and fisheries management plans.

This post represents a chance for an experienced finfish stock assessor to apply their skills in a world-leading organisation, as well as establishing a strong international reputation. Cefas actively supports staff development and opportunities for additional professional training.

Job description

You will lead assessments of finfish stocks, develop data limited methods and Management Strategy Evaluation (MSE) and collaborate internationally with ICES working groups.

You will lead the development and application of statistical and mathematical models, ad hoc ecological modelling, and deliver advice to a wide range of national and international customers

You will provide senior scientific input on the assessment of fishing impacts on ecosystems and fisheries stock productivity and collaborate within multi-disciplinary international teams based in the UK or in overseas locations.

You will provide senior scientific input on the assessment of offshore wind farms on marine ecological receptors.

You will deliver as Principal Investigator on projects as well as initiate new opportunities to develop science in these areas.


The following are essential criteria required for this role and you must be able to demonstrate your skills and experience in the following areas:

• A scientific/numeric background and knowledge in marine ecology and/or biology
• High proficiency and experience in programming and in the application of statistical / mathematical methods for data analysis and stock assessments
• Excellent written and verbal communication skills; and ability to communicate appropriately and effectively with experts and non-experts alike.
• The ability to work effectively either as part of multi-disciplinary teams or independently within a professional working environment.
• Stock assessments and Management Strategy Evaluation to support fisheries management
• Mathematical knowledge and skills for spatial modelling and data limited assessments
• Leading scientific research projects
• Collaborating with other scientific institutes nationally/internationally.
• Demonstrating a good understanding of marine policy drivers, and national/ international priorities in marine fisheries/ecosystem research
• Track record of scientific publications – evidence may be requested at interview

A postgraduate degree with a high level of numerical, and applied mathematics and statistical content is required, however, significant previous experience will also be considered.


We'll assess you against these behaviours during the selection process:

  • Leadership
  • Delivering at Pace
  • Making Effective Decisions
  • Working Together

Technical skills

We'll assess you against these technical skills during the selection process:

  • Skills in the application of statistical/mathematical data analysis, particularly in fisheries assessments
  • Stock assessment and management strategy evaluation
  • Proficiency in programming and statistical languages


• Annual leave entitlement is 25 days on entry (rising to 30 days over first 5 yrs)
• Access to learning and development tailored to your role
• A working environment that supports a range of flexible working options
• A working culture which encourages inclusion and diversity
• Eligible to join the Civil Service Pension scheme. Very favourable package, contributions are more than matched by employer – more information can be found on the CSP website
• Performance Related Pay scheme – yearly award linked to individual performance
• Staff Recognition vouchers
• In-year award scheme

Full details can be found in the Cefas Benefits Package attached.

Things you need to know


Successful candidates must pass a disclosure and barring security check.
People working with government assets must complete basic personnel security standard checks.

Selection process details

This vacancy is using Success Profiles, and will assess your Behaviours, Strengths, Experience and Technical skills.
Application Process
As part of the application process you will be asked to complete behaviour and technical skills statements and to provide a CV.

Further details around what this will entail are listed on the application form.

Should a large number of applications be received, an initial sift may be conducted using the lead behaviour, Leadership. Candidates who pass the initial sift may be progressed to a full sift, or progressed straight to assessment/interview.

The interview schedule will be confirmed following completion of the sift.

Feedback will only be provided if you attend an interview.

If successful at application stage, you will be invited to interview where you will be assessed on experience, behaviours and technical skills.

If scores are equal following interview, an assessment of the lead behaviour, Leadership, will be used by the panel.

You may also be required to give a presentation, complete a short test or provide a case study. You will receive further information to prepare for this if you are invited to interview. A record of your scientific publications may also be requested at interview.

The interview will be undertaken via Microsoft Teams.

Reserve List
A reserve list may be held for a period of 12 months from which further appointments can be made.

New entrants are expected to start on the minimum of the pay band.

Reasonable Adjustment
If a person with disabilities is put at a substantial disadvantage compared to a non-disabled person, we have a duty to make reasonable changes to our processes.

If you need a change to be made so that you can make your application, you should:

- Contact Government Recruitment Service via as soon as possible before the closing date to discuss your needs.
- Complete the “Assistance required” section in the “Additional requirements” page of your application form to tell us what changes or help you might need further on in the recruitment process. For instance, you may need wheelchair access at interview, or if you’re deaf, a Language Service Professional.

If you are experiencing accessibility problems with any attachments on this advert, please contact the email address in the 'Contact point for applicants' section.

Criminal Record Check
If successful and transferring from another Government Department, a criminal record check maybe carried out.

In order to process applications without delay, we will be sending a Criminal Record Check to Disclosure and Barring Service on your behalf. However, we recognize in exceptional circumstance some candidates will want to send their completed forms direct. If you will be doing this, please advise Government Recruitment Service of your intention by emailing stating the job reference number in the subject heading.

Internal Fraud Database Check
Applicants who are successful at interview will be, as part of pre-employment screening subject to a check on the Internal Fraud Database (IFD). This check will provide information about employees who have been dismissed for fraud or dishonesty offences. This check also applies to employees who resign or otherwise leave before being dismissed for fraud or dishonesty had their employment continued. Any applicant’s details held on the IFD will be refused employment.

A candidate is not eligible to apply for a role within the Civil Service if the application is made within a 5 year period following a dismissal for carrying out internal fraud against government.

Childcare Vouchers
Any move to Defra from another employer will mean you can no longer access childcare vouchers. You may however be eligible for other government schemes, including Tax Free Childcare. Determine your eligibility at here

We are closely monitoring the situation with regard to Coronavirus, and will be following central Government advice as it is issued. There is therefore a risk that recruitment to this post may be subject to change at short notice. Please continue to follow the application process as normal and ensure that you check your emails regularly for any updates from us as this is how we will communicate with you.

Feedback will only be provided if you attend an interview or assessment.

Nationality requirements

This job is broadly open to the following groups:

  • UK nationals
  • nationals of Commonwealth countries who have the right to work in the UK
  • nationals of the Republic of Ireland
  • nationals from the EU, EEA or Switzerland with settled or pre-settled status or who apply for either status by the deadline of the European Union Settlement Scheme (EUSS)
  • relevant EU, EEA, Swiss or Turkish nationals working in the Civil Service
  • relevant EU, EEA, Swiss or Turkish nationals who have built up the right to work in the Civil Service
  • certain family members of the relevant EU, EEA, Swiss or Turkish nationals
Further information on nationality requirements

Working for the Civil Service

The Civil Service Code sets out the standards of behaviour expected of civil servants.

We recruit by merit on the basis of fair and open competition, as outlined in the Civil Service Commission's recruitment principles.
The Civil Service embraces diversity and promotes equal opportunities. As such, we run a Disability Confident Scheme (DCS) for candidates with disabilities who meet the minimum selection criteria.

Apply and further information

Once this job has closed, the job advert will no longer be available. You may want to save a copy for your records.

Contact point for applicants

Job contact :
Name :  Cefas Resourcing
Email :
Recruitment team :
Email :

Further information

If you feel your application has not been treated in accordance with the Recruitment Principles and you wish to make a complaint, in the first instance, you should contact Government Recruitment Services via email: If you are not satisfied with the response you receive from the Department, you can contact the Civil Service Commission: Click here to visit Civil Service Commission

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