15 senior principal mechanical engineer jobs found

Senior Mechanical Engineer - Rail & Infrastructure (HS2) Shape the Future of UK Infrastructure Are you an experienced Mechanical Design Engineer ready to leave a lasting legacy on the UK's largest infrastructure project? We are seeking a Senior Mechanical Engineer to join our world-class Rail & Infrastructure Engineering team. In this pivotal role, you will lead the technical delivery, coordination, and assurance of complex mechanical systems for the landmark HS2 programme. Working within a dynamic, multidisciplinary MEICA environment, you will take innovative engineering solutions from initial concept all the way through to testing, commissioning, and handover. If you thrive on solving complex engineering interfaces, managing high-profile stakeholders, and mentoring the next generation of engineering talent, this is your opportunity to elevate your career. Key Responsibilities Technical Design Leadership: Lead the development and review of complex mechanical...

We are seeking an experienced and highly motivated Principal Controls Engineer to lead the design, development, integration, and delivery of control and automation systems across the HS2 programme. The successful candidate will provide technical leadership for all aspects of industrial control systems, SCADA, PLCs, Building Management Systems (BMS), telemetry, and integrated station and tunnel control solutions. Working within a multidisciplinary MEICA environment, you will be responsible for ensuring that control systems are safe, reliable, compliant, and fully integrated with mechanical and electrical infrastructure. This is a senior technical role requiring strong engineering leadership, stakeholder management, and experience delivering complex control systems within rail, transportation, infrastructure, or critical environment projects. Key Responsibilities Technical Leadership Act as the lead technical authority for controls, automation, and SCADA systems across allocated...

Job Title: Senior / Principal Civil Engineer Salary: Dependent on experience Location: St Albans (Hybrid - minimum 3 days office-based) Type: Permanent or Contract (Outside IR35 available) - Hybrid About the Role: Our client is seeking experienced Senior and Principal Civil Engineers to join a multidisciplinary design team delivering projects across the regulated water sector. These opportunities are suited to engineers with strong design experience within water and wastewater who enjoy solving complex engineering problems, developing practical solutions and contributing to the successful delivery of projects. Depending on experience, you will take ownership of technical delivery, support multidisciplinary design teams and contribute to maintaining high standards of engineering quality and compliance. Principal-level candidates will also provide technical leadership and mentoring support across the team. Working closely with senior management and project teams, you will...

We are currently looking for an experienced Site Manager for a major civil engineering project. Site Manager Responsibilities * Manage day-to-day site operations, ensuring work is delivered safely, efficiently, and in line with project specifications. * Coordinate and supervise subcontractors, site operatives, plant, and materials. * Quantify materials from drawings and raise material requisitions. * Interpret technical drawings and specifications to guide on-site delivery. * Proactively raise and track RFIs/ EWN and raise internal CE paperwork. * Ensure all groundworks activities (excavation, drainage, concrete works, foundations, roads, etc.) are delivered to specification, with all QA records kept up to date. * Maintain accurate daily site records and progress updates. * Promote health and safety compliance, delivering toolbox talks, inductions, and briefings on method statements and risk assessments. * Liaise with clients, contracts managers,...

Senior Civil Design Engineer Contract type: Contract or Permanent Scope: Outside IR35 Location: Hertfordshire Industry: Water Purpose of the Role We are working with a specialist engineering consultancy providing design and infrastructure support across the rail and utilities sectors. The organisation supports projects from early design through to installation, delivering safe and efficient solutions on complex infrastructure programmes. The Civil Design Engineer will produce civil engineering design deliverables for projects across the regulated water industry, ensuring all work meets required safety, quality, and technical standards. Key Responsibilities Deliver civil engineering design packages that meet safety, quality, and regulatory requirements. Develop efficient design solutions from project scopes and site visits, communicating these with clients and project teams. Support and guide CAD technicians, junior designers, and graduates. Prepare design risk assessments,...

We are currently looking for an experienced Site Manager for a major civil engineering project. Site Manager Responsibilities * Manage day-to-day site operations, ensuring work is delivered safely, efficiently, and in line with project specifications. * Coordinate and supervise subcontractors, site operatives, plant, and materials. * Quantify materials from drawings and raise material requisitions. * Interpret technical drawings and specifications to guide on-site delivery. * Proactively raise and track RFIs/ EWN and raise internal CE paperwork. * Ensure all groundworks activities (excavation, drainage, concrete works, foundations, roads, etc.) are delivered to specification, with all QA records kept up to date. * Maintain accurate daily site records and progress updates. * Promote health and safety compliance, delivering toolbox talks, inductions, and briefings on method statements and risk assessments. * Liaise with clients, contracts managers,...

PSR Solutions are seeking an experienced Principal Mechanical Engineer to support a major infrastructure project in North West London. This is a long-term contract opportunity working on a complex, multidisciplinary scheme within a fast-paced project environment. Role Overview You will lead mechanical engineering activities from design through to delivery, ensuring systems are compliant, buildable, and delivered in line with programme and quality expectations. Key Responsibilities Lead and review mechanical design to ensure compliance and buildability Deliver mechanical solutions across building services and infrastructure systems Support design assurance, risk assessments, and technical reviews Contribute to safety studies (HAZID, HAZOP) Manage technical documentation and coordinate with design teams Work with site teams to resolve design and installation issues Attend testing and commissioning activities Liaise with commercial and planning teams to maintain programme...

Role: Principal Commissioning Engineer (EC&I) Location: Plymouth Duration: 12 months Inside IR35 : Umbrella Main Purpose: The role exists in order to develop and implement site commissioning arrangements across all aspects of site activities (e.g. Installation, Commissioning, Handover) in support of the overall project lifecycle. The Principal Commissioning Engineer is responsible for ensuring that activities for the MENSA project are planned and undertaken in line with approved procedures as directed by the Commissioning Manager (or delegate) and report any technical or safety issues via the correct reports (Commissioning Reservations, Technical Queries and Synergi) as appropriate. The Principal Commissioning Engineer will also undertake specific activities on behalf of the Commissioning function as required activities if required. Responsibilities Supervision of the Commissioning Engineers / Technicians under their direct responsibility. Adherence to the agreed...

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...

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...

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...

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...

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...

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...

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...