AMS PSR

On behalf of the MOD, we are looking for a Cost Estimator (Inside IR35) for a 12 month hybrid contract based in Bristol.

The successful candidate will have an expectation of x2 working days in the office per week and the remainder is working from home.

The Ministry of Defence (MOD) is a central government department with a mission to protect our country and provide the ultimate guarantee of its security and independence, as well as helping to protect its values and interests abroad.

The MOD is one of the biggest public procurement organisations in Europe and the single largest customer for UK industry. It currently manages approximately £20 billion of spend on capital investments in equipment and infrastructure every year. Over the next decade the MOD is committed to spending over £190 billion on equipment and support. The MOD’s customers include both the armed forces and national security agencies, and it has a diverse range of requirements, including military fighting vehicles, education services, nuclear submarines and facilities management.

The MOD’s aim is to provide its armed forces with the best capabilities to enable them to protect the UK’s security and advance national interests, both now and in the long term.

To do this the MOD has an annual budget of almost £53 billion and a workforce comprising 197,000 people. of which 54,000 are civilians working for the UK MOD.

The work really matters; the MOD offers a range of engaging roles which have a direct impact on the quality of services they provide, in many locations across the UK. We support teams working in HR, Primary Health Care, Corporate Services, and many others.

SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance. 

As a Cost Estimator, your main responsibilities will be:

• Lead the programme’s financial evidence base, ensuring cost models, forecasts and benefits are robust, auditable and aligned to delivery strategy
• Build and maintain an integrated approvals cost model with clear assumptions, traceability and MOD/Treasury compliance
• Develop forward demand models to forecast engineering service needs, volumes, delivery profiles and commercial options
• Produce cost estimates across core task lines, including contingent labour, output‑based packages and outcome‑focused activities
• Validate assumptions, test sensitivities and assess cost drivers and risk
• Support benefits identification, costing and forecasting for SOC, OBC and FBC submissions
• Partner closely with Programme, Commercial, Engineering, Benefits teams and MOD stakeholders to inform decisions and approvals

Essential:

• Proven track record in complex programme cost modelling
• Strong analytical and forecasting capability across large, multi‑workstream programmes
• Experience leading cost models and pulling together inputs from multiple stakeholders
• Confident working collaboratively to gather, challenge and validate modelling inputs
• Clear and credible presenter of financial data to Programme Leads, approvers and assurance bodies
• Experience quantifying and articulating benefits arising from cost models and forecasts
• Monte Carlo modelling experience
• Must be able to provide own laptop

Desirable:

• Defence / MOD background (highly desirable)

Please be aware that this role can only be worked within the UK and not Overseas.

Disability Confident 

As a member of the Disability Confident Scheme, the MOD guarantees to interview all candidates who have a disability and who meet all the essential criteria for the vacancy. In cases where we have a high volume of candidates who have a disability who meet all the essential criteria, we will interview the best candidates from within that group.

This scheme encourages candidates with a disability and/or neurodivergence to apply. In exceptional circumstances, we may also need to apply the desirable criteria in our shortlisting process which may include holding active security clearance.

Armed Forces Covenant

The MOD guarantees to interview veterans or spouses / partners of military personnel who meet all the essential criteria for the vacancy. In cases where we have a high volume of ex-military candidates / military spouses or partners, who meet all of the essential criteria, we will interview the best candidates from within that group. In exceptional circumstances, we may also need to apply the desirable criteria in our shortlisting process which may include holding active security clearance.

In applying for this role, you acknowledge the following “this role falls in scope of the Off Payroll Working in the Public Sector legislation. Any rates of payment quoted will reflect the gross rate per day for the assignment and will be subject to appropriate taxes and statutory costs. As such the payment to the intermediary and your income resulting from this contract will be different.