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
50 miles
10 miles 20 miles 50 miles 100 miles 200 miles
Refine by Categories
Engineering 8 Construction 4 Information Technology 1
Refine by Job Type
Contractor 13
Outside IR35 Basildon senior mechanical engineer

13 senior mechanical engineer jobs found in Basildon

CL
Apr 16, 2026  
Senior Electrical Design Engineer
An excellent opportunity has arisen for an experienced Electrical Design Engineer to join a well-established building services consultancy in London on an contract basis outside IR35. This hybrid role will involve working as part of a multidisciplinary building services engineering team, supporting the delivery of electrical design solutions across a range of building projects. The successful Electrical Design Engineer will contribute to the development of electrical building services designs, technical documentation and coordinated BIM models. This role is based in the London office with hybrid working available, offering the chance to work on high-quality building services projects alongside experienced engineers and consultants. Key Responsibilities · As an Electrical Design Engineer, your responsibilities will include: · Producing electrical building services designs for a variety of building projects · Developing electrical schematics, layouts and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jan 21, 2026  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. 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 part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 09, 2026  
Senior MEICA Commissioning Engineer
️ Lead MEICA Commissioning Engineer | Clean Water Projects | Affinity Water Region Outside IR35 | Long-Term AMP8 Programme Leadership Role | Commissioning Strategy | Team Management Some commissioning roles are about witnessing tests and signing paperwork. This one is about leading people, driving standards, and bringing structure to projects before problems ever reach site. A leading Tier 1 contractor delivering clean water projects across the Affinity Water region is looking for a Lead MEICA Commissioning Engineer to oversee commissioning delivery across a portfolio of schemes typically ranging from £5m–£10m. While the individual projects may not be mega-projects, they need someone who has operated at that level before. Someone who understands what “good” looks like on major infrastructure programmes and can bring that level of leadership, planning, coordination, and control into a growing AMP8 delivery environment. This is a role for a true commissioning leader — somebody...
IR35 Status:
Outside IR35

CV-Library Rickmansworth, Hertfordshire Contractor
CL
May 09, 2026  
Civil Design Engineer
Civil Design Engineer | Water AMP 8 Contract: Long‑term, Outside IR35 Location: Chatham, Kent (Flexible Hybrid) Our client in water is seeking an experienced Civil Design Engineer to support the design and delivery of infrastructure and non‑infrastructure projects across a broad programme of work. This long‑term contract offers the opportunity to play a key role in developing, reviewing, and coordinating civil engineering designs within a fast‑paced, essential services environment. Hybrid working is available, with regular presence required at the Chatham office. Key Responsibilities Produce, review, and develop civil engineering designs for water and wastewater infrastructure Prepare design calculations, technical drawings, and specifications in line with industry and regulatory standards Support feasibility assessments, optioneering, and early‑stage technical input Work collaboratively with multidisciplinary teams including process, mechanical, electrical, and delivery...
IR35 Status:
Outside IR35

CV-Library Chatham, UK Contractor
CL
Apr 21, 2026  
Senior Process Engineer
Senior Process Engineer- Addison Project, Harlow For over 25 years, Addison Project plc has delivered innovative, sustainable engineering solutions across the chemical, pharmaceutical, energy, and food & beverage sectors. As a family‑owned business with UK‑wide coverage, we combine technical excellence with a collaborative, client‑focused approach. Our fully integrated EPCM capability supported by strong CDM and HSSEQ leadership and accredited management systems ensures projects are delivered safely, efficiently, and to the highest standards from concept through to commissioning and start‑up. If you're passionate about engineering and want to join a dynamic, people‑focused consultancy driving progress and sustainability across the UK’s manufacturing and process industries, Addison Project is the place to grow your career. Role: Senior Process Engineer (Contract – Outside IR35) Location: Harlow Contract: 12 months Start Date: Spring 2026 Workscope Addison Project Plc invites...
IR35 Status:
Outside IR35

CV-Library Harlow, Essex Contractor
CL
Apr 21, 2026  
Civil & Structural Design Engineer
Civil & Structural Design Engineer, Harlow, Contract For over 25 years, Addison Project plc has delivered innovative, sustainable engineering solutions across the chemical, pharmaceutical, energy, and food & beverage sectors. As a family‑owned business with UK‑wide coverage, we combine technical excellence with a collaborative, client‑focused approach. Our fully integrated EPCM capability supported by strong CDM and HSSEQ leadership and accredited management systems ensures projects are delivered safely, efficiently, and to the highest standards from concept through to commissioning and start‑up. If you're passionate about engineering and want to join a dynamic, people‑focused consultancy driving progress and sustainability across the UK’s manufacturing and process industries, Addison Project is the place to grow your career. Role: Civil & Structural Design Engineer Location: Harlow Start Date: Spring 2026 Status: 6 months, Outside IR35 Workscope Addison Project Plc are...
IR35 Status:
Outside IR35

CV-Library Harlow, Essex Contractor
CL
May 15, 2026  
Senior Civil Technician (CAD)
Senior Civil Technician (CAD) Location: London (Hybrid) Duration: 6 month contract Start: May 2026 IR35: Outside IR35 An opportunity has arisen for an experienced Senior Civil Technician to join a well-established engineering consultancy delivering complex infrastructure projects across the UK and Europe. This role sits within a specialist division focused on mission critical facilities, including large-scale data centre developments and associated infrastructure. The organisation is a globally recognised engineering business with a strong reputation in delivering high value, technically complex projects. In the UK, they have built a solid presence across major infrastructure programmes and are continuing to expand their footprint within the data centre and mission critical sector, supporting clients on some of the most demanding and fast-paced developments in the market. The role will be based from the London office with a hybrid working arrangement and will form part of a...
IR35 Status:
Outside IR35

CV-Library E1, Whitechapel, Greater London Contractor
CL
May 14, 2026  
Java Consultant - Camunda BPM
SC Cleared Java Consultants (Senior Software Developers / Java Architects) with good experience of Camunda BPM (ideally to v8 but v7 considered), are required by my consultancy client. To be considered, you must hold SC Clearance and be either a senior / lead Java Software Engineer or a Java Technical Architect with strong project knowledge of Camunda BPM. These roles will be outside IR35 and on a hybrid working basis. ONLY SC Cleared candidates with good Camunda experience will be considered. Please send your CV in the first instance and if relevant you will be contacted with full role and company information
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 2026  
BMS Commissioning Engineer
BMS Commissioning Engineer Contract We have a fantastic contract opportunity for an experienced Tridium BMS Commissioning Engineer to join an exciting and prestigious project in London. On offer is an initial 6 month contract (with the potential to extend), c£40 - £48 per hour, and the opportunity to work on one of London’s most interesting new projects in central London The BMS Commissioning Engineer position:- As a BMS Commissioning Engineer, you will have fantastic experience and knowledge of commissioning Building Management Systems, in particular Tridium Niagara.  You will be required to perform software modifications and full commissioning. The project is in central London and is a very prestigious refurbishment of a historical building. The project is a mixed use development incorporating a hotel, high end luxury residences, and shops and will be using state of the art new smart building technology. Key skills of the BMS Commissioning Engineer:- Exceptional technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 2026  
BMS Service Engineer
BMS Service Engineer Contract 3 – 6 months London & M25 We are offering an accomplished BMS Service Engineer £38 - 45 per hour (outside IR35) to join a well-established Controls company on a contract to cover London and the M25 area. This is an initial 3 – 6 month contract with potential to extend further. The BMS Service Engineer position:- As a BMS Service Engineer, you will need to demonstrate exceptional technical understanding of BMS, in particular Trend control systems.   Your duties will include carrying out service and maintenance on BMS Control systems along with small works.  You will be expected to work independently using your own skill and initiative as well as part of a larger team of engineers when required. Key skills of the BMS Service Engineer:- Exceptional technical knowledge and experience of the BMS sector. Proven experience of carrying out servicing and small works on BMS Controls Systems. Qualifications and experience with Trend control systems....
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 2026  
BMS Commissioning Engineer
We have a fantastic contract opportunity for an experienced BMS Commissioning Engineer to join an exciting project in London. On offer is an initial 3 to 6  month contract (with the potential to extend), £300 - £340 per day (outside IR35), and the opportunity to work for a successful BMS integration business. The BMS Commissioning Engineer position: - As a BMS Commissioning Engineer, you will have fantastic experience and knowledge of commissioning Building Management Systems, in particular Trend and Tridium systems.  You will be required to perform software modifications, writing, and generating graphics, working alongside a team engineers. Key skills of the BMS Commissioning Engineer: - Exceptional technical knowledge and experience of the BMS sector. Proven experience commissioning BMS systems Qualifications and experience with Trend and Tridium or Delta Ability to write and manipulate software and graphics. CSCS Skill card or equivalent Benefits of the BMS Commissioning...
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
CL
May 13, 2026  
Senior Electrical Design Engineer - MEP
Senior Electrical Design Engineer - Building Services Contract (Outside IR35) Hybrid Watford Office-Based We have a current opportunity for a Contract Senior Electrical Design Engineer on a contract basis. The position will be based in Watford. For further information about this position please apply. About the role: * Projects - spread across a wide range of sectors, though high amount of healthcare projects * Contract Length - 6 months (can be extended) * Location - Watford Requirements: * Experience working on complex projects * Experience working for a building services consultancy/contractor * Have experience leading/coordinating a team On offer is an excellent contract rate of between £45 - £50p/h for the successful applicant. This is an Outside IR35 assignment. About Energi People Energi People is a highly specialised recruitment consultancy with a strong foothold in the global built environment sector for over 20 years. We excel in connecting technical...
IR35 Status:
Outside IR35

CV-Library Watford, Hertfordshire 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