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Contractor 139
London senior site engineer

139 senior site engineer jobs found in London

CL
Jul 09, 2026  
Senior Site Engineer
We're currently recruiting for an experienced Senior Site Engineer to start working on an RC Frame project based. Must have experience in running the front end of projects, good communication skills with a strong background in RC Frame is essential. Responsibilities include: * Overseeing all engineering aspects on the site * Overseeing building work * Undertaking surveys * Checking technical designs and drawings to ensure that they are followed correctly * Ensuring project packages meet agreed specifications, budgets and/or timescales * Liaising with clients, subcontractors and other professional staff, especially quantity surveyors and the overall project manager * Providing technical advice and solving problems on site * Preparing site reports and filling in other paperwork * Liaising with quantity surveyors about the ordering and the pricing of materials * Ensuring that health and safety and sustainability policies and legislation are adhered to....
IR35 Status:
Unknown Status

CV-Library Blackfriars, Greater London Contractor
CL
Jul 05, 2026  
Senior Site Engineer
We're currently recruiting for an experienced Senior Site Engineer to start working on an RC Frame project based. Must have experience in running the front end of projects, good communication skills with a strong background in RC Frame is essential. Responsibilities include: * Overseeing all engineering aspects on the site * Overseeing building work * Undertaking surveys * Checking technical designs and drawings to ensure that they are followed correctly * Ensuring project packages meet agreed specifications, budgets and/or timescales * Liaising with clients, subcontractors and other professional staff, especially quantity surveyors and the overall project manager * Providing technical advice and solving problems on site * Preparing site reports and filling in other paperwork * Liaising with quantity surveyors about the ordering and the pricing of materials * Ensuring that health and safety and sustainability policies and legislation are adhered to....
IR35 Status:
Unknown Status

CV-Library Whitechapel, Greater London Contractor
CL
Jul 09, 2026  
Senior Site Engineer
We're currently recruiting for an experienced Senior Site Engineer to start working on an RC Frame project based. Must have experience in running the front end of projects, good communication skills with a strong background in RC Frame is essential. Responsibilities include: * Overseeing all engineering aspects on the site * Overseeing building work * Undertaking surveys * Checking technical designs and drawings to ensure that they are followed correctly * Ensuring project packages meet agreed specifications, budgets and/or timescales * Liaising with clients, subcontractors and other professional staff, especially quantity surveyors and the overall project manager * Providing technical advice and solving problems on site * Preparing site reports and filling in other paperwork * Liaising with quantity surveyors about the ordering and the pricing of materials * Ensuring that health and safety and sustainability policies and legislation are adhered to....
IR35 Status:
Unknown Status

CV-Library Walthamstow, Greater London Contractor
CL
Jul 08, 2026  
Senior Site Engineer
Senior Site Engineer Six-Month Fixed Term Contract £50,000 to £65,000 Northern Home Counties Overview A Senior Site Engineer is required for a six-month fixed-term contract within the Northern Home Counties business unit, working with a Tier 1 Contractor. The role will support delivery on two major schemes initially before moving onto one project. This is a site-based position suited to an engineer with strong technical capability and experience in complex structures, including CAT 3 basement works. About the Role The Senior Site Engineer will support the Project Team with day-to-day engineering duties and ensure all works are delivered in line with client requirements. Responsibilities include interpreting drawings and specifications, checking setting out, monitoring retained structures, managing deep excavations and overseeing cut and fill modelling. The role also covers stabilisation checks, piling tolerance recording and inspections of reinforced concrete elements. The...
IR35 Status:
Unknown Status

CV-Library Welwyn Garden City, Hertfordshire Contractor
CL
Jul 08, 2026  
Senior Site Engineer
Job Title: Senior Site Engineer Location: Aylesbury Start Date: Immediate Project Type: Groundworks & Reinforced Concrete (RC) We are currently looking for an experienced Senior Site Engineer for a Groundworks and Reinforced Concrete (RC) project based in Aylesbury. The successful candidate should be available to start immediately. Key Responsibilities * Managing and completing all required site paperwork and documentation. * Carrying out limited setting-out duties as required. * Supporting the site team to ensure works are delivered safely and efficiently. * Coordinating with site management, subcontractors, and the client team. Requirements To be considered for this role, you must have: * A valid CSCS Card, SMSTS/ SSSTS and EUSR Cat 1 &2 * A minimum of 5 years' experience in Groundworks and RC projects in the UK. * Proven experience in completing site paperwork and documentation. * Good communication skills in English. * Experience carrying out limited...
IR35 Status:
Unknown Status

CV-Library Aylesbury, Buckinghamshire Contractor
CL
Jul 09, 2026  
Senior Site Engineer
Senior Engineer â€" Major Industrial Construction Project Options Resourcing are partnering with one of the UK's leading industrial construction specialists to recruit an experienced Senior Engineer for a major industrial steel-frame development in the Swindon area. This is a fantastic opportunity to take a leading role on a high-profile project, working alongside an experienced site management team and playing a key part in the successful delivery of a large-scale industrial build. The Role As Senior Engineer, you will be a key member of the project leadership team, taking ownership of all engineering activities from initial groundworks through to project completion and handover. Key responsibilities include: Managing all site engineering activities throughout the project lifecycle Planning and coordinating engineering works to meet programme requirements Attending and contributing to progress and coordination meetings Managing QA processes and ensuring works are delivered to...
IR35 Status:
Unknown Status

CV-Library Swindon, Wiltshire Contractor
CL
Jul 05, 2026  
Senior Site Engineer
Site Engineer Location: Suffolk Rate: £390–£450 per day (DOE) Contract Duration: 18 Months Start Date: 2 Weeks About the Role We are seeking an experienced Site Engineer to join a civil engineering and infrastructure project on behalf of our client. Working closely with the Main Contractor, you will play a key role in the successful delivery of a large-scale scheme involving highways, drainage, utilities, and earthworks. This is an excellent opportunity for a highly competent site engineer looking for a long-term freelance assignment with a reputable contractor. Project Scope The project includes: * Road and highway construction * Deep drainage installation * Surface water and foul drainage works * Utility and service diversions * Earthworks and infrastructure packages * Extensive quality assurance and quality control requirements Key Responsibilities * Setting out and surveying for various infrastructure works * Managing and maintaining accurate site records *...
IR35 Status:
Unknown Status

CV-Library IP27, Brandon, Suffolk Contractor
CL
Jul 11, 2026  
Senior Site Engineer
I am currently assisting my client, a regional main contractor, with their requirement for a freelance Senior Site Engineer for a £20m new build multi-storey commercial development in Gloucester. The duration is approximately 6 months and the role will include reporting to the project manager, QA, checking some setting out and supervising subcontractors. It would be advantageous for the senior site engineer to hold SMSTS and First Aid in addition to a valid CSCS card. Key duties include: * Maintaining line & level control * Measurements & Calculations * Interpretation of technical drawings * Providing technical assistance to the project team where required * Coordinating the technical aspects of package handovers * Checking the accuracy of sub-contractors work where require * Managing subcontractors and site teams To apply for this senior site engineer position, please complete the fields below
IR35 Status:
Unknown Status

CV-Library Gloucester, Gloucestershire Contractor
CL
Jul 10, 2026  
Senior Site Engineer
Are you a skilled Site Engineer ready to take the lead on a S278 works infrastructure scheme ? We’re looking for a Senior Site Engineer to spearhead delivery on a major civil infrastructure scheme. What You’ll Be Doing * Lead engineering delivery across all infrastructure works * Set out for drainage systems and infrastructure roads * Manage QA documentation, survey control, benchmark integrity, and as-builts * Liaise with client-side engineers, foremen, and subcontractors to resolve site queries * Deliver accurate daily reporting to site/project management What We’re Looking For * Strong independent delivery skills and an eye for detail * Experience with complex highways and infrastructure schemes * Confident communicator * Available for an imminent start This is a rewarding freelance role for a confident and capable Senior Site Engineer OWN KIT preferred but not essential
IR35 Status:
Unknown Status

CV-Library Solihull, West Midlands (County) Contractor
CL
Jul 04, 2026  
Site Engineer
Site Engineer / Senior Engineer  Requirement: 5 days per week on site Status: Inside IR35  Rate - Depending on experience (discuss on application)  Length - 12mths  Role Overview This is an excellent opportunity to join an established project team delivering significant highways and infrastructure works. I'm particularly keen to speak with engineers who have a strong background in highways construction and utilities coordination. This is a great opportunity for an Engineer to work alongside the permanent team, providing guidance and support to junior memmbers of the team while remaining hands-on in the role. This is a self delivered project, so we're looking for someone who can hit the ground running and is confindent to lead.  Key Responsibilities Report directly to the Sub Agent and provide technical support to the site management team. Manage and mentor a Site Engineer, reviewing setting out, quality checks, and documentation. Oversee highways works including...
IR35 Status:
Inside IR35

CV-Library Sheffield, UK Contractor
CL
Jul 09, 2026  
Senior Data Engineer
Senior Data Engineer | Hybrid | Outside IR35 | £475 - £525 | London We are looking for a Senior Data Engineer to join a leading organisation on a contract basis. This role will suit someone with strong experience across the Azure data platform, particularly Databricks and PySpark, who can take ownership of data engineering delivery from design through to implementation. This is a hybrid role requiring the candidate to be on site 2 days per month. You will be working on building and enhancing modern data platforms, delivering scalable data pipelines, and supporting high-volume data processing in a cloud environment. Key Responsibilities Design and build scalable data pipelines using Azure technologies Develop and optimise solutions in Databricks using PySpark Work with large and complex datasets, including streaming and batch data Build and maintain data platforms and data warehouses Implement ETL/ELT processes and data transformation logic Collaborate with stakeholders across...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 04, 2026  
Data Engineer
Senior Data Engineer** (Contract) Duration: 6 Months (Possibility for extension) Location: London/Hybrid (3 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile We are seeking a highly skilled Senior Data Engineer with strong expertise in Python and Databricks to design, build, and optimise scalable data pipelines and platforms. You will play a key role in enabling data-driven decision-making by delivering reliable, efficient, and high-quality data solutions. Key Responsibilities Design, develop, and maintain scalable data pipelines using Python and Databricks Build and optimise ETL/ELT workflows leveraging Databricks (Spark, Delta Lake) Develop robust data models and data architectures on Lakehouse platforms Implement and manage data workflows within the Databricks ecosystem Ensure high data quality, governance, and reliability across pipelines Optimise performance of large-scale distributed data processing...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jul 02, 2026  
Workplace Technology Engineer
Pertemps Network Group are pleased to be partnering with a reputable housing provider in London to recruit an experienced Workplace Technology (Field Services) Engineer. Rate: £174 PAYE per day / £225 umbrella per day (Inside IR35) Contract: Interim Contract Working Pattern: Fully Site-Based (5 Days per Week) Location: Greater London This is an excellent opportunity for an experienced IT Support professional who enjoys working in a highly visible, customer-facing environment. As a Workplace Technology Engineer, you will be a key point of contact for end users, delivering high-quality technical support and ensuring staff have the technology, equipment and assistance they need to work effectively. The successful candidate will provide a mixture of desktop support, field services and end-user computing support, resolving technical issues, managing hardware deployments, supporting workplace technologies and contributing to ongoing IT projects and service improvements. Key...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 17, 2026  
Senior Electrical Design Engineer
Working with this busy engineering solutions provider who have a strong order book with schemes across the TFL estate - they are looking for an Electrical Design Engineer to join there multi-disciplinary design team Your role will involve: - Creating LV electrical designs for station work, including lighting and power systems. - Problem-solving to integrate new designs with legacy infrastructure. - Working closely with the wider design and CAD teams. The position is ideally suited for someone who: - Is an experienced practically minded electrical design engineer - Understands the practical challenges of electrical installation and buildability. - Can problem-solve on the spot when faced with non-standard site issues. You should have experience in RAIL/ LU (TFL) Standards Role is outside IR35 Your expert recruitment consultant is Trevor Parsons, call today on (phone number removed) or email (url removed) Eden Brown is committed to equality in the...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 13, 2026  
Senior Electrical Engineer
We are supporting a leading UK energy developer delivering large-scale grid-connected infrastructure projects, who are seeking an experienced Electrical Project Engineer to join on an initial 12 month contract. The role sits within an Owner’s Engineer function and will focus on providing electrical engineering oversight across design and construction phases of major power projects. This includes review and verification of contractor designs, supporting key electrical studies (fault level, protection coordination, earthing, and grid compliance), and contributing to the specification and procurement of primary electrical equipment such as transformers and switchgear. You will also be responsible for coordinating electrical design inputs across multiple contractors, managing technical interfaces, and ensuring all engineering deliverables are aligned, controlled, and delivered in line with programme requirements. The role will include regular engagement with site teams during...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 08, 2026  
Head of Civils/ Design CRE
Are you a Head of Civils / Design CRE (Rail Infrastructure) looking for your next contract opportunity? Location: Surrey Quays, London (Hybrid - 3 days onsite, 2 days remote Sector: Rail Infrastructure / Civil Engineering Type: Contract Duration: Long-term assignment Start Date: ASAP (within 2-3 weeks) Rate: Dependant on experience IR35 determination: To be confirmed An exciting opportunity has arisen for an experienced Head of Civils / Design CRE to join a major rail infrastructure programme supporting a Maintenance a multi-million-pound contract awarded by Rail for London (RfL), a subsidiary of Transport for London (TfL). It covers the planned and reactive maintenance, faulting, and renewals across key London Overground assets. This is a senior leadership position requiring a technically strong civil or structural engineering professional with extensive rail experience and a proven background in assurance, governance, and team leadership. The role is not design-focused;...
IR35 Status:
Unknown Status

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Jul 01, 2026  
Mechanical Project Engineer
Mechanical Project Engineer Tier 1 MEP Contractor | Data Centre Projects 📍 East London 💷 Permanent or Freelance (CIS / Ltd) I’m currently representing a market-leading Tier 1 MEP Contractor with a strong presence across the UK and Europe, delivering complex projects across the Data Centre, Commercial, Infrastructure and Life Sciences sectors. Due to continued growth and a secured pipeline of mission critical projects, they are now looking to appoint a Mechanical Project Engineer to join the delivery team on a major Data Centre development in East London. This is an excellent opportunity to work on a technically challenging, fast-paced project with a highly experienced delivery team and genuine long-term progression opportunities within one of the industry’s most sought-after sectors. The Opportunity Working alongside Senior Project Managers and site teams, you’ll play a key role in the delivery and coordination of mechanical building services packages across a large-scale...
IR35 Status:
Unknown Status

CV-Library E1, Whitechapel, Greater London Contractor
CL
Jul 09, 2026  
Principal Electrical Engineer
4 days per week on site – can be done from either Cowes (Isle of Wight) or Great Baddow (Chelmsford, Essex) £81.90 per hour umbrella (Inside IR35) Job Role: This is a senior technical role relating to the Electrical aspects of hardware design. The role holder will: Apply depth and breadth of design expertise and knowledge to generate electrical design solutions for both new products and technology insertions into legacy products. Be capable of generating detailed designs from concept to completion and addressing a range of complex engineering issues. Typically act as an engineering, technical, or design authority for a Line Replacement Unit or sub-system. Key Responsibilities: Design of AC & DC distribution systems including sizing, protection, control, and the specification of power supplies and converters. Motor drives, control, and positioning systems (desirable) Knowledge of data links, data protocols, networks, EMC management and verification. Specification of...
IR35 Status:
Inside IR35

CV-Library Chelmsford, UK Contractor
CL
Jul 11, 2026  
Commissioning Engineer
Commissioning Engineer – Battery Energy Storage Systems (BESS) 📍 Rayleigh, Essex 💷 £50 per hour 📅 Initial 3-Month Contract (Likely Extension to 6 Months+) ⏰ Monday–Thursday 08:00–18:00 | Early Finish Friday We are currently seeking an experienced Commissioning Engineer to support the delivery of a major Battery Energy Storage System (BESS) project in Essex. This is an excellent opportunity for commissioning professionals from a range of electrical infrastructure backgrounds, including power generation, utilities, substations, rail, renewables, industrial automation, data centres or transmission and distribution projects. While previous BESS experience would be advantageous, we are particularly interested in candidates with strong commissioning, testing, energisation and fault-finding experience gained on complex electrical systems. Key Responsibilities * Support the commissioning and energisation of battery energy storage equipment and associated systems. * Carry out...
IR35 Status:
Unknown Status

CV-Library Rayleigh, Essex Contractor
CL
Jul 11, 2026  
Senior Mechanical Design Engineer
Senior Mechanical Design Engineer - Water AMP8 Location: Maidstone, Kent (flexible hybrid) Job type: Long‑term Contract (Outside IR35) A leading water client is seeking an experienced mechanical design engineer to support long‑term capital delivery programmes. This client‑side position covers the full project lifecycle including feasibility, optioneering, detailed design, construction and commissioning. Responsibilities Lead mechanical engineering design activities from feasibility through to commissioning on clean water infrastructure projects. Produce and review detailed mechanical designs, calculations, specifications, reports and drawings for treatment plant assets, pumped systems, pipework and chemical dosing equipment. Carry out and validate hydraulic calculations, including pump sizing, system curves, head loss assessments and surge considerations. Ensure design outputs comply with client standards, WIMES, CDM requirements and relevant industry legislation. Coordinate...
IR35 Status:
Unknown Status

CV-Library Maidstone, UK Contractor
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