Senior Preconstruction Planner

Mercury is the European leader in construction solutions.

We build and manage complex engineering & construction projects for the world’s leading corporations. Our solutions help deliver technologies and life changing advancements that connect people, communities, and businesses, giving them the power to achieve incredible things. Our people have the courage to be innovative. Their determination and sharp focus enable us to deliver with certainty, time and time again.

We deliver our clients’ visions through leading edge construction solutions across multiple sectors, including Enterprise Data Centres, Advanced Technology & Life Sciences, Hyperscale Data Centres, Fire Protection.

At Mercury, it is our duty to encourage and back our people to realise their vision of themselves. We place them at the heart of what we do, providing challenging opportunities to develop within a great team in a supportive environment that allows them to reach their full potential.

Key Responsibilities of the Role:

• Responsible for a portfolio of tender projects
• Responsible for all aspects of tender planning
• Reporting to Planning Department

Tender Schedule Development

• Prepare comprehensive tender schedules (Level 2, 3 & 4 level of detail), schedule narratives, and progress curves / histograms aligned with bid requirements.
• Collaborate with Sales & Estimation, Preconstruction and Operations to clarify scope and milestones while clearly demonstrating the sequencing and construction methodology.
• Lead the creation of 4D models and / or 2D phasing plans to present construction sequence, logistics and phasing strategies.
• Prepare scenario planning and target schedules where required.

Planning & Scheduling

• Develop and maintain schedules for design, procurement, pre-construction, construction, commissioning and handover phases. Perform delay analysis, float path reviews, and milestone projections.

Data Management & Reporting

• Maintain planning databases and produce progress reports for internal and client review. Provide accurate data for payment applications and contract reviews.

Stakeholder Engagement

• Act as the primary point of contact for tender planning queries. Liaise with clients, subcontractors, and internal teams to ensure alignment by leading schedule workshop meetings.
• Attend mid-bid meetings to present Tender Schedule and deliverables as required.

Resource & Cost Loading

• Apply resource and cash flow loading to schedules in coordination with estimators.

Leadership & Training

• Mentor junior planners and promote best practices in planning processes. Provide cover for Planners responsibilities when required.

Essential Criteria for the Role:

• Minimum 7+ years’ planning and project controls experience within large-scale construction, engineering, or mission-critical environments, preferably including Data Centre tendering, preconstruction, or bid-stage planning experience.
• Strong understanding of tender and preconstruction planning requirements, including bid programmes, PCSA schedules, early works, design development, procurement strategy, construction sequencing, commissioning logic, and handover milestones.
• Advanced proficiency in Primavera P6, with the ability to develop, maintain and present Level 2, Level 3 and Level 4 tender programmes, schedule narratives, progress curves, histograms, and target schedules aligned with bid requirements.
• Ability to build credible, logic-driven tender programmes from limited information, using assumptions, clarifications, scope documents, employer requirements, schedule specifications, contract conditions, and internal planning standards.
• Ability to collaborate effectively with Sales, Estimation, Preconstruction, Operations, Design, Procurement, Commercial, CSA, MEP, Commissioning, and subcontractor teams to clarify scope, milestones, sequencing, and key programme risks.
• Experience supporting or leading the development of 4D models, 2D phasing plans, visual sequencing outputs, logistics narratives, and construction methodology presentations to support bid submissions and client engagement.
• Strong governance and quality focus, with the ability to ensure tender and preconstruction planning outputs comply with company SOPs, client standards, bid requirements, and internal review processes prior to submission.
• All other duties associated with this role

Mercury is an equal opportunities employer .