Job Description
Major Projects Manager
Sunbury-on-Thames (National Travel Required)
Full-time | Permanent
Salary & Benefits: Competitive (DOE)
The Opportunity
We are seeking an experienced Major Projects Manager to lead the successful delivery of large-scale, technically complex construction projects within a specialist engineered solutions environment.
This is a senior operational role with full ownership of projects from technical and commercial clearance through to installation, commissioning, invoicing, and financial close-out. You will ensure projects are delivered safely, on time, within scope, and to agreed financial targets.
If you thrive in a fast-paced construction or building services environment and enjoy driving performance, quality, and stakeholder coordination across multiple teams, this role offers real responsibility and impact.
The Role
Reporting to the Operations Manager and leading a small project support team, you will take full responsibility for project execution, programme control, cost management, and operational delivery.
Key Responsibilities
* Own the full project lifecycle from order acceptance to final handover
* Act as the primary operational contact for assigned major projects
* Coordinate internal teams including technical clearance, procurement, manufacturing, logistics, and installation
* Proactively manage project programmes, risks, constraints, and dependencies
* Monitor progress against programme, product lead times, and contractual obligations
* Attend site as required to support installations and resolve operational issues
* Ensure installations meet quality standards and customer expectations
* Oversee project cost control including:
* Field operations costs
* Subcontractor costs and invoicing
* Late and abortive costs
* Work in Progress (WIP) and stock management
* Protect project margins by identifying and resolving defects, rework, and delays
* Support milestone-based invoicing and assist with resolving payment queries or disputes
* Line manage project support and technical clearance resources
* Provide accurate reporting and performance updates to senior leadership
What Success Looks Like
You will be measured against:
* Programme adherence and on-time delivery
* Cost control and margin protection
* Field operations performance
* First-time fix rates
* WIP and invoicing accuracy
* Quality performance and defect reduction
About You
Essential Experience & Skills
* Proven experience as a Project Manager within construction, building services, or engineered systems
* Experience delivering technically complex, multi-stakeholder projects
* Strong commercial awareness with demonstrable cost control experience
* Confident managing programmes, risk, and delivery under pressure
* Strong communication skills (written and verbal)
* Experience working with ERP systems (SAP advantageous)
* Highly organised with strong prioritisation skills
* Proficient in Microsoft Office
Desirable
* Ability to read and interpret construction or façade drawings
* Knowledge of automatic door systems or EN16005 (training available)
* Experience using Monday.com or similar project tracking software
Additional Requirements
* Willingness to travel nationally, including occasional overnight stays
* Comfortable working on active construction sites
* Flexibility to provide occasional out-of-hours operational support