Commercial Manager

OverviewWe are seeking a Commercial Manager to join our Data Centre team in Oxfordshire.The Commercial Manager is responsible for ensuring the successful delivery of projects through strong commercial leadership. The role manages cost and value, contract negotiation, financial reporting, risk management and dispute resolution. Working closely with the project team, the Commercial Manager ensures commercial governance, develops staff capability and maintains positive relationships with clients and stakeholders.At John Sisk & Son, we’re more than a construction company, we’re a family-owned business with a global reach, committed to building excellence in every project. We deliver trust, certainty and value to our clients while embracing innovation and shaping the future of construction.ResponsibilitiesCommercial ManagementLead cost and value management for projects, ensuring systems and procedures are in place and followedOversee financial reporting and cashflow forecasting for projectsIdentify and negotiate unacceptable contract terms, bonds, warranties and guarantees with clients and stakeholdersManage project change processes by recording, evaluating and recovering entitlements where not the company’s liabilityLead risk and opportunity management with the operations team, ensuring mitigation measures are identified and implementedProvide commercial support and training to site staffLeadership & Team DevelopmentManage and mentor the commercial team to deliver key responsibilities and develop professional capabilitySupport knowledge sharing and mentoring through structured programmesSupervise the preparation of cost plans for complex projects using appropriate techniques and softwareLead the analysis of project cost reports to inform decision makingEnsure commercial teams act in line with company values, health and safety standards and cultural behavioursProgram & ReportingPrepare and monitor long-term cash forecasts for projects, interpreting variances and recommending corrective actionLead preparation of contractual correspondence and reports, ensuring accuracy and complianceDevelop innovative systems to control costs and monitor financial performanceSupport programme and change reporting to management and stakeholdersContribute to business planning and ensure alignment of commercial objectives with business unit strategyRepresent the company in industry networks and forums, maintaining professional relationships that support business growthBuild and maintain strong relationships with clients, subcontractors and third parties on commercial issuesProvide guidance on risk allocation, step-down clauses and design liability in subcontractor and designer agreementsEnsure commercial practices comply with legislation, company policies and best practiceContribute to business planning and ensure alignment of commercial objectives with business unit strategyRepresent the company in industry networks and forums, maintaining professional relationships that support business growthExperienceEssentialProven experience in commercial management within construction or infrastructureStrong knowledge of contract law, risk management and dispute resolutionSkilled negotiator with the ability to secure acceptable outcomes on complex projectsExperience leading commercial teams across multiple projects or large-scale programmesDetailed understanding of project cost management systems and ability to interpret data for decision makingExcellent communication, influencing and stakeholder management skillsAbility to prepare accurate contractual correspondence and reports under tight timelinesKnowledge of design and build processes and delivery planning for multi-disciplinary teamsDesirableExperience with behavioural-based safety leadershipStrong financial management background with proven ability to optimise inflow and reduce outflowExperience developing innovative systems for monitoring direct works cost and project financial performanceActive involvement in professional networks or industry associationsQualificationsEssentialDegree in Quantity Surveying, Construction Management, Law, Business Administration or related fieldTraining in bonds, warranties and insurancesTraining in dispute resolution and contract managementTraining in financial management and cost controlLeadership training in managing and developing teamsTraining in communication, influencing and negotiationValid CSCS card.DesirableAdvanced training in change management, persuasion and influencing skillsOngoing CPD in construction law, commercial management and industry best practice.Additional InformationCompetitive salary26 days annual leave plus additional company daysPension and benefitsUnlimited learning and development opportunitiesMuch moreOur People and Recruitment CommitmentAt Sisk Group our people are at the heart of our success. We offer the chance to work with purpose, build a career with no limits and be part of a great team.All vacancies are managed directly by our Internal Recruitment Team. Unsolicited contact or speculative CVs from unapproved agencies will not be accepted and no introductory fees will apply.We are an equal opportunities employer. We welcome applications from all qualified candidates regardless of gender, race, ethnicity, disability, age, sexual orientation, religion or any other protected characteristic. Reasonable adjustments are available during the recruitment process.We know the confidence gap and imposter phenomenon can stop talented candidates applying. You do not need to meet every criterion – your skills and potential matter. Don’t hold back we want to hear from you.All recruitment materials comply with legal and regulatory requirements including the EU Pay Transparency Directive and the Equality Acts UK and Ireland.#LI-TH1#LIOnsite #J-18808-Ljbffr