Freelancer UK
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides
  • Sign in
  • Sign up
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides

Email me jobs like this

Email me jobs like this
Refine Search
Search within
20 miles
10 miles 20 miles 50 miles 100 miles 200 miles
Refine by IR35 Status
Unknown Status 16 Outside IR35 8 Inside IR35 3
Refine by Categories
Engineering 10 Construction 9 Information Technology 8 Customer Service 2 Finance 1 Management 1
Refine by Job Type
Contractor 27
London senior site engineer

27 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 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 08, 2026  
Building Services Electrical Engineer
Summary: We are seeking a senior agency Building Services Electrical Engineer to join our London-based engineering team. The successful candidate will support the delivery of a diverse portfolio of projects, primarily focusing on commercial, data centre, and airport developments, with a strong emphasis on project delivery. Candidates should have design consultancy experience and be capable of working autonomously while contributing effectively within a multidisciplinary team. The role requires a self-motivated individual able to produce high-quality electrical designs. Key responsibilities include undertaking electrical design work across various projects, producing designs using industry-standard software, collaborating and coordinating with other engineering disciplines to deliver integrated solutions, carrying out condition surveys and inspections of existing building services, preparing clear and structured technical reports for clients, working closely with BIM Technicians to...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jul 08, 2026  
Section Engineer
Role Title: Section Engineer - Major Civils Role Purpose To manage a section of works within a specific discipline and lead a team of Site Engineers. The successful candidate will be from a Heavy civils, tunnels, highways, earthworks background. Key Responsibilities Health, Safety & Environmental Produce and review Method Statements and Risk Assessments. Prepare Temporary Works Briefs and ensure timely implementation. Deliver site and visitor inductions. Conduct regular H&S inspections and ensure follow-up actions. Prepare and implement Permits to Work (e.g., Permit to Excavate). Mentor junior staff in safety practices and audits.Engineering Control Provide primary setting-out control and determine optimal installation locations. Coach Site Engineers in setting-out methods and technical requirements. Review drawings, specifications and testing requirements with the team. Support engineers with testing processes, ITPs, and quality assurance documentation.Quality...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jul 05, 2026  
Application Solution Architect
Application Solution Architect 6-Month contract - Inside IR35 - up to £575 per day London based - hybrid working - 2 days a week on site Finance sector - previous experience in this sector required Overview We are seeking an experienced Application Solution Architect to lead enterprise application modernisation initiatives. This is a hands-on architecture leadership role. The successful candidate will be responsible for defining target architectures, leading application transformation programmes, and establishing architectural standards and design principles across the organisation. This is an out-and-out Solution Architect role, with a strong emphasis on application modernisation rather than infrastructure or enterprise architecture. Key Responsibilities Application Modernisation Leadership Lead the assessment and modernisation of legacy and monolithic applications. Develop application modernisation strategies, roadmaps, and target-state architectures. Drive the...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jul 04, 2026  
Site Engineer
I am working alongside a leading civil engineering contractor who are currently looking to hire an experienced Site Engineer due to a number of new contracts being awarded. My client operates across the civils sector on renewable energy projects. Site Engineer responsibilities: * Setting out using total station & GPS. Works include earthworks, duct installations, troughs, and RC bases. * Working alongside the project management team. * Site supervision. * Ensuring health and safety compliance. * Ensuring works are being carried out in accordance to agreed methodology and method. * Ensuring the correct documentation is held on site. * Ensuring works are completed on time and to specification. Site Engineer requirements: * Experience with setting out earthworks, duct installations, troughs, and RC bases. * Right to work in the UK. * CSCS card - White minimum. * SSSTS/SMSTS ticket holder (preferable) * Full UK driving licence. * Strong...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jul 03, 2026  
Workplace IT Engineer
Workplace IT Engineer (2nd Line Support) West London | Ongoing Temporary Contract | ASAP Start £174 per day PAYE or £225 per day Umbrella Full time site based role with as this is supporting the wider members of the team with both hardware and software  A West London Local Authority is seeking an experienced Workplace IT Engineer to join their IT & Digital Services team on an ongoing temporary basis. This is a site-based role requiring travel across multiple locations within the borough, so a full UK driving licence is essential. The Role You will provide 2nd line support and deliver high-quality workplace technology services to council staff. This includes supporting hardware, software, and end-user issues both remotely and onsite. Resolve 1st and 2nd line incidents via face-to-face support, telephony, and remote tools Deliver hands-on support across multiple council sites Install, configure, and decommission IT equipment, including cabling and network patching...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jul 03, 2026  
Technical Programme Manager - Workstream Lead
Job title: Technical Programme Manager - Workstream Lead Contract: 6 Months Location: London (Paddington, Hybrid) IR35: Inside Sector: Retail As a Technical Programme Manager, you support complex cross team initiatives and programmes, ensuring work progresses smoothly through effective planning, coordination and removal of delivery impediments. As a programme manager you will be accountable for leading the end to end delivery of a defined workstream on the client implementation of SAP. You will build and manage the plan ensuring successful delivery across design, build, test, deployment, and stabilisation. You help identify pain points and delivery inefficiencies, support agile ways of working, and strengthen sequencing, dependency management and escalation mechanisms within and across teams. You provide practical delivery support through tracking progress, coordinating ceremonies, managing programme budgets, supporting release activities and ensuring clarity of priorities....
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jul 03, 2026  
Cyber Security Engineer
Cyber Security Engineer - 6 Month Contract - No Sponsorship available Job Description This Cyber Security Engineer role sits within the Information Security function and focuses on designing, implementing, and continuously improving security controls across infrastructure, applications, and cloud environments. You will lead cyber security project deliverables, maintain and enhance existing cyber tools, and roll out new features and capabilities across banking and securities businesses under a dual-hat arrangement. Operating with equal authority across both entities, you will make independent, risk-based decisions aligned to a shared governance framework, working closely with engineering and operations teams to embed robust security into all technology solutions. Responsibilities Design, implement, and enhance enterprise security solutions across cloud, network, and endpoint environments. Lead security architecture reviews to ensure solutions align with security standards,...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jul 01, 2026  
Senior Contracts Engineer
Commercial / Contracts Engineer – Contract – London Location: London This is an excellent opportunity to join a world leading cleantech, renewable and alternative energy company involved in the development of novel green energy solutions on a global scale. The role is working client side and is outside IR35. Role & Responsibilities * Responsible for managing the full lifecycle of major EPC and PMC contracts – including the tendering, negotiation, award, post-award administration, and close-out. * Responsible for negotiation and commercial management of all contracts relating to the engineering programme both during the design and construction phases (EPC). * Prepare and issue RFPs/RFQs, oversee clarifications, conduct bid evaluations, and lead both technical and commercial assessments. * Lead contract and commercial negotiations with contractors, consultants, and suppliers. * Implementation of contractual agreements with suppliers and partners to protect commercial...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 28, 2026  
Senior HVAC Design Engineer
Data Centres are crucial components of today's infrastructure, supporting everything from business to public services. The Opportunity Join our international and multidisciplinary team of passionate design engineers and help us create high-quality, sustainable, and innovative data centre structures. You will work on medium to large-scale mission-critical projects, covering all stages of design - from concept to construction supervision and handover. As a Senior Mechanical Engineer your role will be as part of an interdisciplinary team lead the design of mechanical systems (Building servies and cooling) on medium to large-scale Mission Critical projects through all design stages from Concept to Construction Supervision and Hand-Over Lead the preparation and review of design deliverables Lead projects and work closely with our data centre clients to deliver quality work to meet their specific needs Present technical content for review by technical and non-technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 2026  
BMS Service Engineer
We have a fantastic opportunity for a proficient BMS Service Engineer to join a well-established building controls business working on multiple contracts in London on a contract basis. This contract position offers an excellent hourly rate paid weekly ( outside IR35) Company Profile Our client is a household name in the world of BMS providing full turnkey solutions to the Building Energy Management sector since the late 90’s. With their wealth of expertise, they are able to secure projects of all size and type and deliver a best-in-class service from design all the way to end user handover. The Role of the BMS Service Engineer As a BMS Service Engineer you will be responsible for the pre-planned and reactive maintenance of Building Management Systems, predominantly across London. You will have in-depth knowledge of BMS (Building Management Systems) hardware including fault finding, wiring and networking. You will possess the knowledge and experience to be involved with small...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
  • Follow us on:
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Outside IR35
  • Create Resume
  • Sign in
© 2008-2026 Powered by SmartJobBoard Job Board Software