South Region Commercial Lead

Welcome to Walker Sime

Walker Sime – part of HanmiGlobal. We deliver multidisciplinary construction services nationally across real estate, regeneration and infrastructure, bringing commercial precision, strategic oversight and global capability to every project. Our business is built on people and backed for scale.

Founded in Manchester in 1999, Walker Sime is recognised for technical excellence, independent commercial rigour and a collaborative, client-focused culture. We deliver specialist cost management, commercial management and project services across nationally significant infrastructure, energy and capital delivery programmes.

The Opportunity

Due to continued growth across our Infrastructure division in the South of England, we are looking to appoint an experienced Commercial Project Director to lead commercially on complex Energy, Utilities and Infrastructure programmes.

This is a senior, client-facing leadership role where you will act as a trusted NEC adviser, lead strategic commercial delivery and help shape the future growth of the Commercial Management service line.

You will already be operating at this level, visible to clients, close to delivery and trusted to make commercially critical decisions at programme level. This opportunity would suit someone looking for greater influence, autonomy and the ability to genuinely shape outcomes within a growing consultancy environment.

As South Region Commercial Lead, you will play a pivotal role in defining and leading Walker Sime’s Southern Commercial service offering. You will establish and oversee multiple client projects, ensuring consistent, high-quality delivery across diverse programmes and portfolios.

Working closely with senior stakeholders internally and externally, you will combine strategic thinking with hands-on leadership to drive governance, delivery excellence and continuous improvement.

Reporting directly to the Director of Infrastructure, this is a senior leadership role with responsibility for service delivery, business growth, team leadership and P&L performance. You will play a key role in shaping strategy, developing capability and ensuring successful delivery across major infrastructure programmes.

Key Responsibilities

• Lead the a rapidly growing Walker Sime commercial team in the Southern region
• Lead commercial management activities across major Energy, Utilities and Infrastructure programmes from strategy through to final account
• Act as senior commercial and NEC adviser to key clients and stakeholders
• Provide expert advice across NEC3 and NEC4 contracts.
• Establish proportionate and compliant commercial governance frameworks that support programme delivery
• Oversee valuations, forecasting, reporting, claims, variations and final accounts
• Provide senior commercial leadership and intervene directly where strategic judgement is required
• Lead, mentor and develop commercial teams across multiple commissions
• Act as a trusted advisor to senior client stakeholders, providing insight, challenge and strategic recommendations
• Collaborate with senior leadership on the continued growth and direction of the Commercial Management function
• Lead on business development activity, leading bids, proposals and client presentations in the South region and support in all other regions
• Drive continuous improvement across the Commercial function, embedding lessons learned and industry best practice
• Recruit, mentor and develop a high-performing Commercial team in the Southern region
• Develop strategy for growth of Commercial services in the Southern region

About You

Essential Experience & Skills

• Proven track record operating at Senior Commercial Manager on major infrastructure programs and portfolios
• Excellent NEC contract knowledge
• Background within Energy, Utilities or major Infrastructure environments
• Experience managing complex commercial programmes and senior stakeholder relationships
• Degree or HNC qualified in Quantity Surveying or Commercial Management
• MRICS qualified or equivalent professional accreditation
• Commercially astute with a pragmatic, delivery-focused approach

• Comfortable operating with high visibility, accountability and autonomy
• Existing industry network and client relationships within the Infrastructure or Utilities sectors

What we’re looking for

• A commercially driven leader with strong strategic judgement
• Confident influencing senior stakeholders and programme teams
• Pragmatic, solutions-focused and delivery-oriented
• Passionate about developing people, capability and client relationships
• Collaborative, credible and highly professional in approach
• Strategic thinker with a pragmatic, hands-on approach

What We Offer

• The opportunity to lead commercially on major infrastructure and energy programmes
• The opportunity to grow and develop an existing commercial team in the South
• Direct access to senior clients and decision-makers
• The ability to shape and influence the growth of the Commercial Management service line in the South and beyond
• Flexible working within a supportive, people-first consultancy environment
• Exposure to nationally significant infrastructure projects
• Clear progression within a growing business backed by global capability
• Competitive salary and comprehensive benefits package

Join Walker Sime

If you’re looking for an opportunity where your experience, judgement and leadership genuinely shape outcomes, we’d love to hear from you.

Join Walker Sime and play a key role in delivering some of the UK’s most complex and high-profile infrastructure programmes!