Associate Consultant – Cost Estimating & Modelling (Defence)

About the role

RT Consulting is seeking an Associate Consultant to join its Cost Estimating and Cost Modelling community supporting defence and secure programmes. You will work on developing robust cost estimates that inform investment decisions and programme delivery across the South West defence clusters.

Key responsibilities

• Develop and maintain detailed cost estimates and cost models for defence projects.
• Produce Basis of Estimate (BoE) documentation and supporting cost artefacts.
• Support outline and full business cases with credible, auditable cost evidence.
• Perform cost analysis, manage assumptions, run sensitivities and apply risk‑informed estimating techniques.
• Collaborate within integrated Project Controls and P3M teams on complex programmes.

Required profile

• Proven experience as a Cost Estimator or Cost Modeller in defence or other secure environments.
• Comfortable developing BoE artefacts and supporting business case documentation.
• Ability to work within ambiguous, evolving project contexts.
• Willingness to hold an active Standard Check (SC) clearance.

Required skills

• Cost Estimating
• Cost Modelling
• Basis of Estimate (BoE) development
• Cost analysis and risk‑informed estimating
• Project Controls integration

What we offer

• Access to a community of specialists across defence, government and public‑sector programmes.
• Priority to new consultancy opportunities, including secure GCP/GDC and platform engineering workstreams.
• Dedicated relationship support with a personal Relationship Manager.
• Invitation to Society events, meet‑ups and professional development activities.