Interim Senior Commercial Manager £650pd

Company: 1st Executive
Apply for the Interim Senior Commercial Manager £650pd
Location: London
Job Description:

Senior Commercial Manager – SRM

Rate: Up to £650 per day (Umbrella, Inside IR35)Industry: Government Infrastructure & ConstructionLocation: Hybrid, with UK-wide offices (e.g. London, Birmingham, Leicester, Manchester, Newcastle, Gloucester, Reading, Southampton)Duration: 12 months

A major Public Sector organisation is seeking an experienced Senior Commercial Manager, with strong SRM, to lead high-level partnerships across complex construction and commercial programmes.

This is a senior, strategically focused role requiring exceptional stakeholder management, commercial awareness, and the ability to operate confidently across government and industry environments.

You’ll act as a trusted advisor and relationship lead, working across senior leadership teams, suppliers, delivery partners and government stakeholders to strengthen strategic partnerships, improve outcomes, and support long‑term programme delivery.

The Role

  • Lead and manage strategic relationships across complex construction and commercial environments
  • Influence senior stakeholders across government, supply chain and partner organisations
  • Drive collaborative working, governance and long‑term partnership performance
  • Identify risks, opportunities and delivery challenges proactively
  • Translate complex information into clear strategic insight for decision‑makers
  • Support commercial and delivery objectives within large‑scale infrastructure or construction programmes
  • Operate autonomously within a high‑profile, outcome‑focused environment

Requirements

  • Proven experience in Supplier Relationship Management, senior stakeholder engagement or partnership leadership roles
  • Strong construction sector and commercial experience, including knowledge of supply chains and delivery environments
  • Experience working within or alongside government/public sector organisations
  • Strong understanding of governance, assurance and accountability frameworks
  • Excellent influencing and communication skills with credibility at senior/executive level
  • Ability to manage competing priorities across complex stakeholder landscapes
  • Commercially astute, proactive and solutions‑focused
  • NEC contract knowledge highly desirable

This opportunity would suit a Senior Commercial professional who thrives in complex environments and can build trusted partnerships that drive delivery at scale.

This is an urgent need – if interested, please apply asap and any questions, email claire.shipman@1st-executive.com

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Posted: May 20th, 2026