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Contractor senior principal mechanical engineer

11 senior principal mechanical engineer jobs found

CL
Jun 25, 2026  
Manufacturing Facilities Project Engineer
Trim and Final Facilities are responsible for the development and introduction of new and modified facilities associated with new model introductions and model year changes. Ensure facility installations are delivered through strict adherence to Product Creation and Delivery System (PCDS) and Launch Quality Operating System (LQOS) Gateways deliverables, Health & Safety and Manufacturing Engineering Facility procurement procedures. Key Responsibilities Project manage the planning and implementation of facility installations for new model introductions. Creation of detailed facility timing plans in line with manufacturing launch strategies. Layout planning and creation of new and modified facilities to accommodate new models Create Request for Quotation (RFQ) and technical specifications Supplier selection and vendor management activities with purchasing. Provide feasibility statements for Product designs to suit manufacturing process & facility requirements. Create and...
IR35 Status:
Unknown Status

CV-Library Liverpool, Merseyside Contractor
CL
Jun 25, 2026  
Principal / Lead Engineer
Principal / Lead Engineer Python / Cloud / Terraform / IAM / DevOps / infrastructure-as-a-code IaC Rate: Circa £600 - £700 PD (Outside IR35), 6 Months Location: London / Hybrid x2 days We are seeking an experienced Principal / Lead Engineer to join a highly ambitious organisation building a large-scale, mission-critical data and technology platform. This is a unique opportunity to join at the earliest stages of a major programme and play a key role in shaping its technical foundations. Working closely with the CTO and a small team of senior engineers, you will lead the design and implementation of core infrastructure, establish engineering standards and practices, and make architectural decisions that will have long-term strategic impact. If you enjoy solving complex technical challenges, influencing technology strategy, and creating robust engineering foundations, this role offers an exceptional opportunity to make a lasting impact. Role & Responsibilities Technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 21, 2026  
Cost Engineer - HYBRID
Cost Engineer - HYBRID Location: Construction Site based and/or Somerset Energy & Innovation Centre, Bridgwater, Somerset x3 days per week AND 2x days per week remote working Status: Contract (renewable) - Inside IR35 All-inclusive rates Reports to: Cost Manager Morson Edge are delighted to offer an opportunity for a suitably qualified and experienced Cost Engineer to join our client's established Team for work on a major infrastructure Project in Somerset. Contract role (renewable) - inside IR 35. All-inclusive rates. Principal Accountabilities Produce and maintain accurate cost and forecast data in alignment with the Cost Breakdown Structure or Work Breakdown Structure (CBS/WBS) Accurately maintain all Cost and Forecast data for their area of responsibility within the Cost and Forecast software system e.g. EcoSys, SAP Co-ordinate and produce Cost and Forecasting reports to a defined reporting cycle, including commentary on key time- related drivers and performance...
IR35 Status:
Inside IR35

CV-Library Somerset, UK Contractor
CL
Jun 21, 2026  
Facilities Engineer
Order Ref: (phone number removed) Position Title: GME T&F Manufacturing Lead Engineer Duration: Contract Location: Halewood, Liverpool What to Expect: Trim and Final Facilities are responsible for the development and introduction of new and modified facilities associated with new model introductions and model year changes. Ensure facility installations are delivered through strict adherence to Product Creation and Delivery System (PCDS) and Launch Quality Operating System (LQOS) Gateways deliverables, Health & Safety and Manufacturing Engineering Facility procurement procedures. Key Responsibilities: Project manage the planning and implementation of facility installations for new model introductions. Creation of detailed facility timing plans in line with manufacturing launch strategies. Layout planning and creation of new and modified facilities to accommodate new models Create Request for Quotation (RFQ) and technical specifications Supplier selection and...
IR35 Status:
Unknown Status

CV-Library Liverpool, Merseyside Contractor
CL
Jun 20, 2026  
Site Engineer
Site Engineer Required Coventry Umbrella CIS payment is acceptable My client, a industry-leading Principal Contractor within the civil engineering sector are seeking P-Way engineers to join their high-profile rail infrastructure project in the West Midlands. Candidate Responsibilities: Oversight of track-laying activities, including S&C (Switches and Crossings), plain line renewal, and ballast management Act as the technical point of contact on-site, ensuring works align with approved AFC drawings and specifications. Manage and produce Task Briefing Sheets, Work Package Plans (WPPs), and Quality Plans. Ensure all ITPs (Inspection and Test Plans) are completed and signed off. Coordinate or perform topographic surveys and setting out for track geometry, ensuring tolerances are met for line and level. Maintain accurate daily site diaries, shift reports, and progress tracking against the project baseline.Candidate Requirements: HNC/HND or Degree in Civil Engineering Proven...
IR35 Status:
Unknown Status

CV-Library West Midlands, UK Contractor
CL
Jun 19, 2026  
Design Manager
Design Manager – Water & Wastewater Location: Southern Water Region Contract Type: Permanent Sector: Water Infrastructure / AMP8 CMDP+ has secured a new AMP8 Capital Programme Strategic Delivery Partner Framework Agreement with Southern Water for Water and Wastewater delivery. This award continues the successful joint venture partnership between Costain and MWH Treatment. The framework has been awarded for an initial seven-year term, with the option to extend for up to a further five years. Between 2025–2030, CMDP+ will deliver critical investment across Water and Wastewater infrastructure throughout the region, including upgrades to Treatment Works, Pumping Stations, and Reservoirs. We are currently seeking an experienced Design Manager to join the team and support the successful delivery of this major programme. The Role Design Managers are project-based and work as part of integrated project teams to deliver the design and engineering aspects of major infrastructure...
IR35 Status:
Unknown Status

CV-Library Brighton, Brighton and Hove, UK Contractor
CL
Jun 19, 2026  
Design Manager
Design Manager – Water & Wastewater Location: Southern Water Region Contract Type: Contract Sector: Water Infrastructure / AMP8 CMDP+ has secured a new AMP8 Capital Programme Strategic Delivery Partner Framework Agreement with Southern Water for Water and Wastewater delivery. This award continues the successful joint venture partnership between Costain and MWH Treatment. The framework has been awarded for an initial seven-year term, with the option to extend for up to a further five years. Between 2025–2030, CMDP+ will deliver critical investment across Water and Wastewater infrastructure throughout the region, including upgrades to Treatment Works, Pumping Stations, and Reservoirs. We are currently seeking an experienced Design Manager to join the team and support the successful delivery of this major programme. The Role Design Managers are project-based and work as part of integrated project teams to deliver the design and engineering aspects of major infrastructure...
IR35 Status:
Unknown Status

CV-Library Hampshire, UK Contractor
CL
Jun 19, 2026  
Principal Operational Highway Engineer
Principal Operational Highway Engineer Overview: Our client in the North East is seeking an experienced Principal Highways Engineer to lead the operational delivery of highways maintenance and civil engineering services. This position plays a key role in managing day-to-day operational activity, ensuring highway networks are safely maintained, efficiently managed, and delivered to industry best practice. You will oversee maintenance programmes, manage budgets, coordinate inspections, support service improvements, and act as a senior point of contact across technical operations. The role involves close collaboration with internal teams, external partners, and other stakeholders to ensure a consistent, high-quality approach to service delivery. Key Responsibilities: ·Lead the operational delivery of highways and civil engineering maintenance activities. ·Develop, manage, and implement planned and reactive maintenance programmes. ·Oversee budget management across operational...
IR35 Status:
Unknown Status

CV-Library Northumberland, UK Contractor
CL
Jun 18, 2026  
Fire Safety Technical Lead
Job Purpose To provide strategic and operational technical leadership on fire safety, fire engineering, and associated building safety risks across the Councils housing portfolio. The postholder supports the Council, as Accountable Person and Principal Accountable Person for its Higher-Risk Buildings (HRBs), by providing specialist technical advice, assurance, and oversight in relation to fire safety compliance, design standards, refurbishment activities, fire protection systems, contractor performance, and incident investigation. The role provides independent technical assurance in relation to fire and building safety risks, supports the development of safe systems of work, contributes to incident management, and ensures technical compliance with relevant fire safety, building safety, and health and safety legislation. The role does not ordinarily hold primary operational responsibility for building-level risk management, which remains with the Building Safety Management...
IR35 Status:
Unknown Status

CV-Library SW2, Brixton Hill, Greater London Contractor
CL
Jun 18, 2026  
Subject Matter Expert/Design Manager (Airports)
An exciting opportunity has arisen for an experienced Subject Matter Expert/Design Manager (Airfield Systems) to join a major UK airport, supporting the delivery of a multi-billion-pound capital investment programme focused on enhancing critical airport infrastructure and operational efficiency. This role sits within a dynamic construction and project delivery environment and will play a pivotal role in leading the design of large-scale, strategically important airfield systems projects (typically £100m-£150m+). The Role As the Subject Matter Expert/Design Manager, you will lead design management activities from project inception through to construction, commissioning and handover, ensuring solutions are safe, compliant, cost-effective, and aligned with operational requirements. You'll manage a small team of Design Management professionals and act as a key interface between internal stakeholders, engineering teams, and external design consultants and contractors. Key...
IR35 Status:
Inside IR35

CV-Library Gatwick, West Sussex Contractor
CL
Jun 17, 2026  
Construction Manager
The Construction Manager is responsible for the safe, compliant, and commercially effective delivery of high-voltage substation construction packages within a National Grid transmission or distribution framework. Operating as the principal point of accountability on site, this role bridges the client interface, design teams, and self-delivery / subcontract workforce to drive projects from mobilisation through to energisation and handover. The Construction Manager will typically lead packages valued between £5m and £50m+ across new-build, refurbishment, and operational (live) substation environments at voltages up to and including 400kV. Key responsibilities * Take full accountability for the safe delivery of all construction activities on site, ensuring compliance with CDM 2015, National Grid safety rules, and the principal contractor's SHEQ management system * Lead and co-ordinate multi-discipline site teams covering civil, electrical, M&E, and commissioning...
IR35 Status:
Unknown Status

CV-Library West Midlands, UK Contractor
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