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How to apply

Check if you’re eligible

To become an OSG you need to:

  • be 18 years or over
  • have the right to work in the UK and the Civil Service (GOV.UK, opens in a new tab)
  • ideally hold a valid driving licence (desirable)

Tattoos are permitted, including those that are visible, as long as they are not deemed as offensive, discriminatory, violent or intimidating in any way. Facial tattoos are generally not acceptable, except those that are for cultural, religious or medical reasons. 

We cannot sponsor OSG applicants via the Skilled Worker visa/Tier 2 (general) work visa.

If your application is successful, you will need to complete and clear pre-employment checks. This will include HM Prison and Probation Service Enhanced Level 2 vetting.

Applying to work in a high security prison

If you apply to work at one of the high security prisons listed below, you will also need to:

  • complete a Counter-Terrorism Check (CTC)
  • and provide proof that you have been a resident in the UK for the last 3 years

Please note: the UK residency requirements refer to the period immediately before you submit your application, and not any other three-year period, or any other accumulation of time spent in the UK.

However, if you have been out of the country for a significant period of time (usually up to one year) and maintained your UK residency, you may still be considered for vetting clearance. For example, if you have:

  • spent a significant period of time overseas without returning to the UK, but intend to return in the future
  • taken a gap year before or following university
  • travelled for a year
  • spent time overseas visiting family

This is not an exhaustive list.

During the application process, you must be able to provide correct and up-to-date documentation when requested.

CTC check prisons

You will need to complete a CTC check if you apply to one of the following prisons:

  • Belmarsh
  • Frankland
  • Full Sutton
  • Long Lartin
  • Manchester
  • Wakefield
  • Whitemoor
  • Woodhill

The application process

The application process takes 4 to 5 months, on average, from starting your application to your first day on the job.

How long it takes depends on how long your pre-employment checks take and if there’s a specific role available for you at the prison.

There are 2 stages to the application process:

  • Stage 1: online application; depending on which prison you apply to you may also need to complete a short online test
  • Stage 2: interview

Stage 1

Find a job and apply online

Start by finding a suitable vacancy.

If there are no current vacancies at the prison you’re interested in, you can register your interest (opens in a new tab) and we’ll let you know when positions become available.

You will need your National Insurance number to apply. The application is very quick and should only take you about 10 minutes.

You will be asked some eligibility questions, such as your nationality and your right to work in the UK, then you’ll need to enter some personal details. You can then submit your application.

Our reasonable adjustments scheme supports individuals who may face disadvantages in the job assessment process when applying for one of our jobs due to a diagnosed or undiagnosed disability, long-term condition, or short-term need arising from an illness or injury. If you think you might need a reasonable adjustment, simply select the ‘yes’ option in the application form when asked.

Online test

When you apply, you may be invited to complete a short online test. The job advert you are applying to will confirm if this is the case and you’ll get an email with detailed instructions on how to take the test.

If you don’t need to complete an online test, you will be invited to an interview if your online application meets the eligibility criteria for the role.

About the online test
This is a task-based assessment to see if you are able to demonstrate you have the behaviours and qualities you need to become an OSG.

Rather than questions, this assessment is a series of engaging tasks designed to assess your unique behaviour. There is no right or wrong way to approach the assessment – simply follow the instructions and react to the scenarios you will be presented with.

The test will take around 35 to 40 minutes to complete, but there is no time limit.

Before you take the task-based assessment, you will have an opportunity to practise.

Read this guide to get an insight into what to expect and to help you prepare for the online test.

If you pass stage 1 of the application process, we will invite you to an interview.

Stage 2

Interview

During your interview we’ll ask you a series of questions which will help us assess whether you have the required strengths and behaviours to become an OSG.

We will also assess your ability to speak and understand English, which is a government requirement in public-facing roles such as this where you will be engaging with visitors and sometimes prisoners. If spoken English is something you struggle with, you could try having a conversation with others and asking for feedback before your interview.

You do not need to have worked in a prison before to do well – you can use examples from your personal and professional experiences.

What to expect

We’ll ask you a combination of questions:

  • behaviour-based questions, to explore the actions and activities you have taken in previous roles or life experiences
  • strengths-based questions, to focus on what you do well and what motivates and energises you

Your interview will last about 30 minutes.

Preparing for your interview

You do not need to have worked in a prison before to do well – when answering questions, you can use examples from your personal life, educational, or professional experiences. Simply focus on a specific example and go into as much detail as possible.

Behaviour-based questions: Behaviours are the actions and activities that people do which make them effective in a job. We’ll use the Civil Service Success Profiles framework (GOV.UK, opens in a new tab) to assess the following behaviours.

  • Communicating and influencing: You have excellent interpersonal skills, communicating clearly and respectfully, showing good listening skills. You collaborate with others and challenge and influence others with confidence.
  • Managing a quality service: You demonstrate a strong work ethic and take personal responsibility for your actions. You manage your own time, quickly adapting to changing circumstances and assessing risks, whilst adhering to processes and rules.

Familiarise yourself with the behaviours you will be asked to demonstrate and think about the most relevant and strongest examples you can give on the day.

When you are preparing for your interview, you might find it helpful to think about the structure of your responses to the behaviour-based questions. A common approach you might like to consider using is the ‘STAR method’:

  • Situation – describe the situation you had to deal with
  • Task – explain the task you needed to complete
  • Action – outline the actions you took to complete the task
  • Result – confirm what happened as a result of your action and what you learnt from the experience

You can read more about the STAR method here (opens in a new tab).

Once the assessor has asked you a behaviour question, you will be given time to think about how you want to respond. This is so you can think of your most relevant and best example for each question without the pressure of needing to answer straight away.

You can bring notes into your interview to refer to when responding to the behaviour-based questions. However, these should only be used as prompts for your examples.

Strengths-based questions: Strengths are the things we do regularly, we do well, and that motivate us.

Before your interview, take some time to consider why you would like to become an operational support grade and think about the personal strengths you could bring to the role. You might find it helpful to ask family or friends what they think your strengths are.

These questions you’ll be asked are designed to assess your natural preferences. They are designed to be as clear as possible and can be interpreted exactly as they are said, there are no hidden meanings.

Here are a few examples of strengths-based questions. You will be asked different questions in your interview.

  • Do you think it’s important to be able to explain things so that others can understand? Why is that?
  • Imagine you have several urgent tasks on your to-do list for tomorrow. How would you plan your day?

You will be assessed on 3 strengths and asked up to 2 questions on each.

You can read more about strengths-based questions here (opens in new tab).

 

Pre-employment checks

If you are successful at interview and a vacancy is available immediately, we will start your pre-employment checks. These include security, identity and past employment checks.

This can take on average 25 working days (it may be longer if you’re applying to a prison that requires a higher level of security check).

If a position is not available, you will be put on a merit list:

  • You will be allocated to a vacancy in order of merit, based on the interview scores of all candidates.
  • When vacancies become available, the prison will make job offers to the people who performed best at the interview.
  • When there is a vacancy for you, we will let you know and begin your pre-employment checks.
  • You can stay on the merit list for 12 months. After this time you will need to apply again.

Get an offer and arrange your start date

Once you have received your provisional offer and passed your pre-employment checks, we will email you to discuss when you can start your OSG role.

Find your prison operational support job

Want to be part of a diverse team, supporting the smooth and safe running of a prison? Our operational support grades are people just like you.

Search jobs and apply

If there are no current vacancies at the prison you’re interested in, you can register your interest (opens in a new tab) and we’ll let you know when positions become available.