UK Ministry of Defence
Defence Nuclear Organisation - SyIntel Assurance Advisors

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MOD Abbey Wood: Bristol BS34 8JH
Job Summary
The Defence Nuclear Organisation (DNO) is responsible for the provision of the nuclear deterrent, encompassing our submarines and nuclear warheads, while also advising on UK nuclear planning and fostering international co-operation on nuclear matters. With a multidisciplinary team of over 700 professionals, the DNO brings together expertise in science, engineering, finance, policy, programme delivery, and more. We work in partnership with the Royal Navy, the Submarine Delivery Agency and the Atomic Weapons Establishment as the Defence Nuclear Enterprise (DNE).
Here at DNO we strongly believe that diversity and inclusion is not only the right thing to do but is also essential for a thriving and successful organisation. We have a culture where differences are celebrated, and our people feel supported, included and empowered. Join us and be part of an organisation that truly values diversity and inclusion and makes a positive impact on the world.
The Assurance Team supports Chief Defence Nuclear (CDN) in ensuring the coherent management of security and the reporting of aggregated risks across the DNE by: delivering and cohering risk-based security assurance; providing challenge, independent of delivery, for Accountable Person (APs), Regulated Persons (RPs) and Senior Responsible Officers (SROs); and testing the secure delivery of effective nuclear security regimes and compliance to MOD’s (relevant) policies and regulations to provide security assurance that enables programmatic decision making.
The positions are advertised at 37 hours per week.
Job Description
You will be responsible for driving security improvements across the DNE through providing Second Line Assurance as part of the 3 Lines of Defence (3LODS) model. You will be responsible for providing proportionate, targeted, and prioritised risk-based security assurance activities across a nuclear security regime built to protect Defence Nuclear Assets (DNA), Defence Nuclear Information (DNI) and Accountable Nuclear Material (ANM) across the sites, operations, programmes and projects that make up the DNE.
You will conduct site based NMA&C (Nuclear Material Accounting & Control) assurance activities across at sites holding Defence ANM, through assessment and testing of NMAC, undertaking Physical Inventory Verification of ANM and to assess the effectiveness of site accountancy and control and compliance, engaging closely with the Defence Nuclear Security Regulator (DefNucSyR) and others.
You will be responsible for maintaining and promoting security assurance as a key organisational priority. This includes identifying and managing the interfaces between safety, security, emergency preparedness, and other programme and project requirements to support the strategic priorities of the DNE.
The role will require flexibility, as security assurance activities will involve working unsociable hours, travelling across the UK, and occasionally travelling to foreign countries.
Hybrid and flexible working can be considered for these posts but will require regular workplace attendance due to security constraints and access to appropriate IT operating systems.
Candidates are encouraged to discuss options with the recruiting line manager before submitting their application.
This post is on the MOD Civilian Nuclear Post Control List (PCL) and may attract the Nuclear Recruitment and Retention Allowance (RRA). This is a discretionary allowance. The post being listed on the PCL does not mean that the post holder will have an automatic entitlement to receive the RRA. The NSQEP RRA is not a contractual allowance and can be amended or withdrawn without notice in line with MOD Main and Submarine Delivery Agency policy.
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Person specification
Essential
- Experience of delivering security compliance, assurance, or policy.
- Experience delivering high-quality reports to senior audiences and briefing large groups.
- Proven ability to manage remote working.
- Proficient level of IT skills and familiarity with mainstream MS applications.
- Recognised training and qualification in security or related disciplines.
- Experience operating within a Defence environment.
Desirable
- At least 2 years proven experience of working in nuclear security.
- Experience of completing sensitive and complex investigations.
- Experience as a Protective Security Practitioner.
- Membership of WINS (World Institute for Nuclear Security) or an articulated desire to achieve this.
- At least 5 years proven experience of working in security related employment.
Behaviours
We'll assess you against these behaviours during the selection process:
- Working Together
- Changing and Improving
- Leadership
We only ask for evidence of these behaviours on your application form:
Working Together
Alongside your salary of £46,040, Ministry of Defence contributes £13,337 towards you being a member of the Civil Service Defined Benefit Pension scheme. Find out what benefits a Civil Service Pension provides (opens in a new window).
- Learning and development tailored to your role
- An environment with flexible working options
- A culture encouraging inclusion and diversity
- A Civil Service pension with an employer contribution of 28.97%
The post does not offer relocation expenses (move of home, excess fares or temporary transfer). Non Standard move applicants will be eligible for the full package, subject to eligibility.
Please Note: Expenses incurred for travel to interviews will not be reimbursed.
External recruits who join the MOD who are new to the Civil Service will be subject to a six-month probation period.
Please be advised that the Department is conducting a review of all pay related allowances which could impact on those allowances that the post currently being advertised attracts.
Any move to MOD from another employer will mean you can no longer access childcare vouchers. This includes moves between government departments. You may however be eligible for other government schemes, including Tax-Free Childcare. Determine your eligibility at https://www.childcarechoices.gov.uk/.
The Ministry of Defence is committed to providing a safe and healthy working environment for its staff which includes educating them on the benefits of not smoking, protecting them from the harmful effects of second-hand smoke and supporting those who want to give up smoking. Under the Smoke-Free Working Environment policy, Smoking and the use of all tobacco products (including combustible and chewing tobacco products) will not be permitted anywhere in the Defence working environment however some exemptions are in place, please refer to local guidance. The policy is Whole Force and includes all Defence personnel, contractors, visitors and other non-MOD personnel. All applicants seeking, considering, or accepting employment with the Ministry of Defence should be aware of this policy and that it is already in place at a number of Defence Establishments.
MOD Recruitment Satisfaction Survey – We may contact you regarding your experience to help us improve our customer satisfaction. The survey is voluntary and anonymous. You may however be given the opportunity to provide additional information to help us improve our service which includes the collection of some personal data as defined by the United Kingdom General Data Protection Regulation (UK GDPR). The MOD Privacy Policy Notice sets out how we will use your personal data and your rights.


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Artificial intelligence
Artificial intelligence can be a useful tool to support your application, however, all examples and statements provided must be truthful, factually accurate and taken directly from your own experience. Where plagiarism has been identified (presenting the ideas and experiences of others, or generated by artificial intelligence, as your own) applications may be withdrawn and internal candidates may be subject to disciplinary action. Please see our candidate guidance (opens in a new window) for more information on appropriate and inappropriate use.
Selection process details
This vacancy is using Success Profiles (opens in a new window), and will assess your Behaviours and Experience.
This post is classed as ‘Reserved’ as per the Civil Service Nationality Rules. For further information please see the attached documents.
Candidates can apply online via the Civil Service Jobs website by completing the application form before the deadline shown. Apply using the Civil Service Jobs apply button, filling in all required details in all sections. Using the Success Profiles link for information on format and style, ensure you provide evidence for all Behaviours and Experience sections requested in the appropriate competency style.
Please note that not following the appropriate format will mean that you may be unable to reach the required grades for sift or interview
When choosing your Behaviour examples, please make sure you use real life scenarios that relate to your own experiences. Whilst technology may help to enhance your written submission, presenting the ideas of others or those generated by technology, could result in your application being rejected.
Candidates will be required to provide a CV and a Personal Statement of Suitability (maximum 750 words) that sets out your motivation for applying and shows how your skills and experience meet the essential/desirable requirements for the role.
At Sift
You will be assessed against the essential and desirable criteria set out in the Person Specification based on your CV and Statement of Suitability and the following Behaviour:
- Working Together
At Interview
You will be assessed on your Experience and following behaviours;
- Working Together
- Changing and Improving
- Leadership
The interviews will be conducted via MS Teams.
Candidates who are found to meet an acceptable standard at interview but are not successful in this advertised post may be considered for similar roles within the Business Unit.
You will also be expected to achieve Developed Vetting clearance, above the normal clearance level expected for the MoD.
The Defence Nuclear Organisation plays a vital role in supporting the delivery of the UK’s independent strategic nuclear deterrent. To help enhance security, staff working for the DNO are encouraged to always exercise a high level of discretion in sharing information or talking about their work. As part of the application process, we ask that you do not tell anyone other than your partner or close family member about your application to join the DNO. You should not mention your application on social media or discuss it with anyone else at this stage.
Further Information
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.
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