Commercial Lead/Business Partner - Security

Job summary

The Cabinet Office and HM Treasury operate at the heart of the UK government. These iconic departments are responsible for ensuring the effective running of government, maintaining control over public spending and working to achieve strong and sustainable growth for the UK.

The Cabinet Office & HM Treasury (COHMT) Commercial team has a vision to be a top performing commercial function in government, setting best practices for others to follow. It offers a unique challenge to commercial professionals who want to work on some of the UK’s most important policy issues. The team works in partnership with all areas of the business, providing a commercial service that covers planning, commercial strategy, sourcing and contract management on circa £1bn of third party spend.

The COHMT Commercial team operates with our core values in mind which are:

We are Curious, Collaborative and Kind, we act with Integrity and are Focused on value for money.

We are looking for a talented commercial professional to join the team and help to shape and influence commercial and procurement strategies within the department. This role will be challenging and hands-on, and will require expert stakeholder management skills as well as a strong grasp of commercial processes and the challenges of procuring goods and services in Central Government.

Job description

The COHMT commercial team has recently undergone a change to its operating model and is now organised into spend category teams which are supplemented by business partners and embedded commercial teams in specialist areas and programmes. The directorate is supported by a central team responsible for the overall strategy and enabling functions.

This role uniquely combines strategic business partnering activities with hands-on procurement delivery for a range of requirements. You will act as a senior commercial advisor to the business, providing expert commercial advice as part of the wider commercial team. You will be expected to provide commercial guidance and support to enable appropriate decision making and maximise value for money both in new procurement activity and existing supplier management, able to act under your own initiative and lead and drive commercial projects, engaging and influencing key stakeholders within your areas of responsibility.

At the same time, you will work with other commercial team members to enable continuous improvement and commercial capability development with your customers, working to implement new policies and processes as required. You will often be working on projects that require extra levels of sensitivity, making SC clearance a requirement for this role.

Locations
The successful candidate(s) will be able to agree a contractual workplace from those locations listed in this advert. When selecting your location listed in this job advert please be aware that this will be your contractual base location with a requirement to spend a minimum of 60% of your working time in this organisational workplace.

Your time spent on official duties at workplace locations other than your contractual office such as supplier, customer or partner locations required to perform your role is included in the 60% attendance.

This requirement will however take into consideration any reasonable adjustments agreed upon appointment for people with a disability, flexibilities agreed for those with specific caring responsibilities, or other similar temporary flexibilities.

Person specification

The successful candidate will:

• Act as a commercial advisor to the department, providing advice, guidance and support to customers to enable commercial opportunities and consequences to be understood;
• Build effective relationships with your customers (and when applicable across other central government organisations), fostering trust and transparency in order to allow you to provide the best level of commercial advice and guidance;
• Work with other team members to enable continual improvement and commercial capability development across the business unit
• Provide hands-on targeted procurement or contract management support where required, for example where a contract or procurement activity is identified as being at risk or of high importance;
• Enable your customers to act as intelligent customers to the Government Commercial Agency, advising them in creating their requirements and considering Commercial strategy and planning;
• Work with the Head of Commercial to implement any new governmental commercial policies across the department, engaging with the Government Commercial Function and other cross government departments where necessary;
• Take responsibility for ensuring that a robust commercial pipeline and contracts register is in place for the business unit, working in partnership with the central Commercial Pipeline Manager;
• Provide input to Management reports and other requests for information as required;
• Support in building category strategies where appropriate;
• Contribute to creating a great place to work, championing diversity and inclusive ways of working and proactively participating in improvement activities across the Commercial Directorate.

Technical skills

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

• Ability to analyse commercial risks and understand margins of error in developing recommendations for Customers and/or key stakeholders.
• Experience of having had a leading role in complex commercial activities, with demonstrable experience across the commercial lifecycle
• The ability to challenge senior stakeholder decisions, work under pressure, and deliver multiple projects within agreed timescales
• Experience in the development of strategies for high value/risk, critical/complex procurements and playing a leading role in the implementation and end to end delivery of these.

Benefits

As a valued employee of the Government Commercial Organisation (GCO), you will have access to all the benefits the centre has to offer; including flexible working, generous benefits, Career Coaches, Mentors, L&D, a Commercial College, active talent management and, most importantly, access to commercial projects that will far exceed the scale and complexity on offer elsewhere in the UK.

For existing Civil Servants: For full details of the impact on any move across the civil service on your existing terms and conditions, please read the candidate pack. Please note that any move across the Civil Service may have implications on your ability to continue to claim childcare vouchers.

Kindly refer to the following link for the GCF Rewards and benefits page.

https://www.civil-service-careers.gov.uk/gcf-benefits/

Things you need to know

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 Experience and Technical skills.Your application will be reviewed by a panel and should you be successful at sift we will invite you to attend a Virtual commercial Assessment and Development Centre (VADC). The panel will review results of the VADC and determine which candidates will go through to a subsequent final panel interview. Please note: Only candidates that achieve an A grade at ADC will be invited to interview for this role.

Please be advised that the Virtual ADC is taking place on Wednesday 9th December 2026 and will require a full day's attendance.

If you are invited to attend a virtual ADC, but for any reason are unable to meet the date outlined then please get in touch with the team on commercialresourcinghub@cabinetoffice.gov.uk as soon as possible. The ADC is booked and paid for in advance by departments, therefore it is only in certain circumstances we are able to accommodate alternative dates.

For full details of our process, and a likely timeline, please read the attached candidate pack.

Throughout our selection process, we will make decisions about your capability to do the job, based on evidence you provide against the Technical Skills (essential criteria) and your Job History (CV) that you will be asked to provide during the application process. Further help and advice on our application and selection process can be found at this web address https://www.civil-service-careers.gov.uk/gcf-how-to-apply/
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 for more information on appropriate and inappropriate use.

https://www.civil-service-careers.gov.uk/artificial-intelligence-and-recruitment/
IMPORTANT: If you do not receive an acknowledgement of your application within 2 working days please contact: commercialresourcinghub@cabinetoffice.gov.uk
Feedback will only be provided if you attend an interview or assessment.

Security

Successful candidates must undergo a basic (or equivalent) criminal record check.Successful candidates must meet the security requirements before they can be appointed. The level of security needed is security check (opens in a new window).

See our vetting charter (opens in a new window).People working with government assets must complete baseline personnel security standard (opens in new window) checks.

Nationality requirements

This job is broadly open to the following groups:

• UK nationals
• nationals of the Republic of Ireland
• nationals of Commonwealth countries who have the right to work in the UK
• nationals of the EU, Switzerland, Norway, Iceland or Liechtenstein and family members of those nationalities with settled or pre-settled status under the European Union Settlement Scheme (EUSS) (opens in a new window)
• nationals of the EU, Switzerland, Norway, Iceland or Liechtenstein and family members of those nationalities who have made a valid application for settled or pre-settled status under the European Union Settlement Scheme (EUSS)
• individuals with limited leave to remain or indefinite leave to remain who were eligible to apply for EUSS on or before 31 December 2020
• Turkish nationals, and certain family members of Turkish nationals, who have accrued the right to work in the Civil Service

Further information on nationality requirements (opens in a new window)

Working for the Civil Service

The Civil Service Code (opens in a new window) 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 (opens in a new window).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.The Civil Service also offers a Redeployment Interview Scheme to civil servants who are at risk of redundancy, and who meet the minimum requirements for the advertised vacancy.

Diversity and Inclusion

The Civil Service is committed to attract, retain and invest in talent wherever it is found. To learn more please see theCivil Service People Plan (opens in a new window) and the Civil Service Diversity and Inclusion Strategy (opens in a new window).

Apply and further information

This vacancy is part of the Great Place to Work for Veterans (opens in a new window) initiative.The Civil Service welcomes applications from people who have recently left prison or have an unspent conviction. Read more about prison leaver recruitment (opens in new window).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 : Madeline Ketley
• Email : commercialresourcinghub@cabinetoffice.gov.uk

Recruitment team

• Email : commercialresourcinghub@cabinetoffice.gov.uk

Further information

If you feel your application has not been treated in accordance with the Recruitment Principles, and you wish to make a complaint, you should direct this to the Head of Commercial Resourcing Hub at the following email commercialresourcinghub@cabinetoffice.gov.uk quoting the vacancy reference number (if applicable) and the details of your complaint. If you are not satisfied with the response you receive, you can contact the Civil Service Commission via the following web page: http://civilservicecommission.independent.gov.uk/civil-service-recruitm…

Attachments

Guaranteed Interview Schemes (GIS) Opens in new window (pdf, 64kB)2026-10-29 - OFF SEN - 488867 - Commercial Lead_Business Partner - Security - Candidate Pack.docx Opens in new window (pdf, 609kB)