Commercial Management Consultant - Cost and Commercial Assurance

ASSYSTEM; Manchester; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

A leading engineering firm is seeking a Commercial Management Consultant to deliver cost and commercial assurance across major infrastructure projects. The role involves analyzing financial datasets, preparing audit reports, and collaborating closely with clients and stakeholders. Candidates should have experience in audit or commercial assurance, a relevant degree, and preferably a professional membership. This position offers a hybrid working model, with travel required two to three days a week. Join a diverse community committed to innovation and sustainability.

Benefits

Development opportunities

Remote working options

Diversity and inclusion initiatives

Qualifications

• Experience in audit, cost verification or commercial assurance within construction or infrastructure.
• Strong understanding of NEC contracts from a cost/commercial perspective.
• Confidence working with large datasets and financial information.

Responsibilities

• Deliver cost, commercial and contract assurance reviews on major infrastructure projects.
• Analyse financial datasets and produce clear audit findings.
• Prepare high-quality audit reports with actionable recommendations.

Skills

Audit experience

Cost verification

Understanding of NEC contracts

Data analysis

Audit report writing

Advanced Excel

Education

Relevant degree

Tools

IDEA audit software

Job description

Commercial Management Consultant - Cost and Commercial Assurance

• Full-time
• ASSYSTEM Job: Project Management
• Type of contract ASSYSTEM: Permanent
• ASSYSTEM Sector: Infrastructure / Building

Assystem is an international engineering and digital services company with a single mission: to accelerate the global transition to low-carbon energy.

Every day, our 8,000 “Switchers” across 12 countries bring their expertise, curiosity and collective intelligence to the challenge of the century—building a cleaner, safer and more sustainable energy future.

We work alongside the organisations driving this transition, sharing our knowledge and values to deliver innovative solutions and new ways of thinking. With more than 55 years of experience in highly regulated industries, we provide engineering, project management and digital services that enhance the performance, safety and longevity of complex infrastructure throughout its lifecycle.

Ranked among the world’s leading nuclear engineering companies, Assystem is committed to delivering a viable, efficient and reliable energy future for all.

Our Audit & Assurance team is growing as we support an increasing portfolio of large, complex and commercially sensitive UK infrastructure programmes. We’re now looking for a Cost & Commercial Assurance Consultant to help deliver high-quality audit and assurance work and strengthen our capability as the function expands.

In this role, you’ll work closely with the Audit & Assurance Lead and wider team, carrying out cost, contract and commercial assurance reviews that give clients confidence in their project performance. You’ll analyse large datasets, apply structured audit methodologies and produce clear, evidence-based reports. Alongside delivery, you’ll play a part in shaping how our service evolves—sharing insights, supporting colleagues and helping us continuously improve.

You’ll join a community with deep expertise across the UK’s most significant infrastructure programmes. We offer hybrid working, development opportunities and a culture that values integrity, diversity and evidence-driven thinking. The role includes national travel, typically two to three nights per week.

What you’ll be doing:

• Deliver cost, commercial and contract assurance reviews on major infrastructure projects
• Analyse financial datasets, ledgers and evidence to produce clear audit findings
• Use IDEA audit software to support consistent and efficient delivery
• Prepare high-quality audit reports with actionable recommendations
• Support planning, reporting and knowledge development within the team
• Build strong relationships with clients and internal stakeholders
• Contribute to continuous improvement and mentoring across the team

What you’ll bring:

• Experience in audit, cost verification or commercial assurance within construction or infrastructure
• Strong understanding of NEC contracts from a cost/commercial perspective
• Confidence working with large datasets and financial information
• Excellent audit report writing and analytical skills
• Strong IT capabilities, including audit software and advanced Excel
• Background in QS, commercial management, accounting or audit, supported by a relevant degree
• Professional membership (RICS, CIMA, ACCA, AAT or similar) preferred
• High integrity, attention to detail and a completer–finisher mindset
• Flexibility to travel nationally (2-3 days per week)

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.