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Contractor 41
Engineering Basildon senior mechanical engineer

41 senior mechanical engineer jobs found in Basildon

CL
May 08, 2026  
Senior Mechanical Engineer (contract)
Senior Mechanical Engineer Basildon, Essex (1 day/week on site) £53ph (Inside IR35) Initial 6 month contract **Please note we can only consider sole UK Nationals for this role** We are currently looking for a Senior Mechanical Engineer to join the Precision Guidance Integrated Project Team (IPT), working on equipment for the next generation of Missile Seeker Programmes. What you'll do as a Senior Mechanical Engineer: Support senior members of staff in the delivery of technical solutions on critical Business Programmes. Generation of mechanical solutions to relevant company and international standards. Design of engineering solutions taking into account all requirements including product quality, safety, reliability, testability, sustainability, etc. Mechanical engineering detailed design, including numerical calculations, tolerance studies, etc. Produce Manufacturing Data Packs in line with BS8888 including appropriate application of GD&T. Generate BoM within approve PLM...
IR35 Status:
Inside IR35

CV-Library Basildon, Essex Contractor
CL
May 07, 2026  
Senior Mechanical Engineer
6 month contract (initially) Up to £55.56 per hour umbrella (Inside IR35) Hybrid working (circa 1 day per week on site with a need to be flexible where required) Job Role: Our client is currently looking for a Senior Mechanical Engineer to join the Precision Guidance Integrated Project Team (IPT), working on equipment for the next generation of Missile Seeker Programmes. The successful candidate will be experienced in the Aerospace and/or Defence Industry and preferably hold SC Security status. The Mechanical Engineer role offers hybrid working, with the option of on-site working at our Basildon office. The frequency of on-site visits shall be agreed with the project team to ensure that key Milestones and Deliverables are met on time, to budget and to the desired quality. Key Responsibilities: Support senior members of staff in the delivery of technical solutions on critical Business Programmes. Generation of mechanical solutions to relevant company and international...
IR35 Status:
Inside IR35

CV-Library Basildon, UK Contractor
CL
May 02, 2026  
Senior Mechanical Engineer
Senior Mechanical Engineer Basildon 6-Month Contract Paying up to £55p/h (Inside IR35 Key Responsibilities Support senior members of staff in the delivery of technical solutions on critical Business Programmes. Generation of mechanical solutions to relevant company and international standards. Design of engineering solutions taking into account all requirements including product quality, safety, reliability, testability, sustainability, etc. Mechanical engineering detailed design, including numerical calculations, tolerance studies, etc. Produce Manufacturing Data Packs in line with BS8888 including appropriate application of GD&T. Generate BoM within approve PLM system (Teamcenter). Contribute to reviews of Mechanical designs in accordance with business and industry standards. Deliver design solutions against Technical Requirements, within budget and timescales. Essential Skills & Experience Mechanical or Science degree qualified, or equivalent, with experience....
IR35 Status:
Inside IR35

CV-Library Basildon, Essex Contractor
CL
May 06, 2026  
Engineering Manager
Your new company A market‑leading facilities and critical environments specialist, to recruit an experienced Engineering Manager to support major data centre projects for a blue‑chip client.This is a technically focused leadership role, ideal for someone with strong electrical and mechanical expertise who enjoys operating at the centre of complex, safety‑critical engineering environments. Your new role You'll play a pivotal role providing engineering oversight across electrical, mechanical and controls systems, ensuring designs and delivery meet exacting client standards and international best practice.Working closely with Project Managers, Construction Managers and client engineering teams, you'll help drive integration, risk management, commissioning and continuous improvement across highly resilient data centre infrastructure. Provide senior engineering leadership across data centre systems Review and approve designs, drawings and technical submissions Ensure compliance with...
IR35 Status:
Unknown Status

CV-Library Cheshunt, Hertfordshire Contractor
CL
May 06, 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 a contract basis, operating outside IR35. This hybrid position involves working within a multidisciplinary building services engineering team, contributing to the delivery of electrical design solutions across a diverse portfolio of projects. The successful candidate will play a key role in developing electrical building services designs, producing technical documentation, and supporting coordinated BIM models. Based in the London office with flexible hybrid working, this role offers the opportunity to be involved in high-quality projects alongside a team of experienced engineers and consultants. Key Responsibilities As an Electrical Design Engineer, your duties will include: * Delivering electrical building services designs across a range of projects * Producing electrical schematics, layouts, and associated technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 13, 2026  
Supplier Quality Engineer
Supplier Quality Engineer 6 month contract Based in Stevenage - hybrid Offering £45ph Inside IR35 Do you have experience with AS9100 standards? Do you have quality experience in Manufacturing and Supply Chain environments? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Supplier Quality Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Complete scheduled Quality Assurance audits at suppliers using standardised tools Conduct thorough verification/inspection of products to ensure they meet the required quality standards Identify and document any non-conformities in the manufacturing process and deviations from the product specifications...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire 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 13, 2026  
Senior Supplier Quality Engineer
We are hiring 11x Senior SQD Engineers on a 24 month fixed term contract. Please note we will consider locations in Bicester & Woking. Please see commodities below: 3 x Body in White & Stampings 2x Chassis 1x Exteriors 1x Interiors 2x ICE Propulsion 1x Electrical Propulsion 1x Composites As part of McLaren Automotive's continued growth and its multi-propulsion strategy, we are expanding our Supplier Quality & Development (SQD) team. Strengthening the global SQD function will enhance collaboration with suppliers worldwide and reinforce the delivery of robust quality standards across both new and existing vehicle programmes. What to Expect As a Senior Supplier Quality & Development Engineer, you will take ownership of suppliers within the specific commodity area, managing a global supply base for a variety of components/systems. You will manage these suppliers across the full lifecycle—from sourcing and industrialisation through to series...
IR35 Status:
Unknown Status

CV-Library Woking, Surrey 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
May 08, 2026  
Works Inspector
Infrastructure Protection – Works Inspector Business Area: Infrastructure Protection Project: Third Party / External Development Works (TfL Infrastructure Interface) Pay Rate £400 per day (inside IR35) – Umbrella About the Role We are seeking an experienced Infrastructure Protection – Works Inspector to join a busy operational team managing third-party and external development works adjacent to or above TfL infrastructure. You will be responsible for ensuring that construction activities do not compromise the safety, integrity, or operation of the rail network. This includes surveillance checks of safe systems of work, monitoring high-risk construction activities, and undertaking statutory network patrols under ROGS requirements. This is a highly site-based role with significant exposure to active construction environments and operational railway interfaces. Location Site-based role (London Underground / TfL operational infrastructure) You will be required to attend...
IR35 Status:
Inside IR35

CV-Library E20, Stratford and New Town, Greater London 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 13, 2026  
Civil / Project Engineer - Infrastructure - UK Visa Holders
Job Title: Civil Project Engineer (Tier 1 Infrastructure) - UK Visa Holders Location: London, United Kingdom Job Type: Contract (6-24 months) Day Rate: £350 - £550 per day (dependent on experience) Summary An exceptional opportunity for experienced Civil Engineers with existing or pending UK work visas (including Tier 5 Youth Mobility or Ancestry visas). Especially suitable for engineers from New Zealand or Australia. Relocate to London and immediately contribute to some of the world's most significant Tier 1 Major infrastructure projects. We connect talented engineers with leading main contractors on long-term contracts, offering excellent day rates and a seamless transition into the UK construction industry. About the Roles We are seeking multiple Site Engineers, Project Engineers, and Senior Engineers to work on major civil engineering schemes across London, from large-scale transportation Highways, Energy and Water and rail projects to complex utilities and urban...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
May 07, 2026  
Senior Infrastructure Engineer
Senior Infrastructure Engineer - Drainage & Design (Contract) Location: London (Hybrid: 3-4 days in office, flexible) Contract Length: 6 months Hours: 37.5 hours per week IR35 Status: Outside IR35 Rate: £40-£45 per hour The Opportunity: A growing, dynamic infrastructure consultancy is seeking a Senior Infrastructure Engineer to join their team on a contract basis. This is an exciting opportunity to take on a central role in delivering drainage and infrastructure projects within a close-knit team. You'll have the chance to lead the design and coordination of various drainage, flood risk, and roadworks projects, while enjoying the flexibility and autonomy of working in a smaller consultancy environment. This role is perfect for an experienced engineer who enjoys both hands-on technical work and collaboration in a supportive, team-driven setting. Key Responsibilities: ·Lead the design of drainage, flood risk, and infrastructure projects from start to finish...
IR35 Status:
Outside IR35

CV-Library City of London, London, UK Contractor
CL
May 13, 2026  
Senior site engineer
We're currently recruiting for an experienced Senior Site Engineer to start working on an RC Frame project based in Central London. 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...
IR35 Status:
Unknown Status

CV-Library WC1, Bloomsbury, Greater London Contractor
CL
May 09, 2026  
Senior Structural Engineer
Job Title: Senior Structural Engineer Location: London (Hybrid) Contract Duration: 3-6 months+ Salary: £38-45 per hour (Inside IR35) About the Role We are seeking a Senior Structural Engineer to provide interim support while permanent staff are recruited. This contract role will involve working across a range of sectors, including aviation, power, defence, life sciences, and public sector projects. You will be assigned to one sector at a time and will not be expected to deliver across multiple sectors concurrently. You will need to bring your strong technical knowledge and experience to quickly assume responsibility for projects and ensure delivery meets the highest standards. Key Responsibilities: ·Provide structural engineering expertise across various projects. ·Collaborate with engineers and technicians within the immediate team (approximately 50) and the wider team (approximately 170 across all regions). ·Ensure designs comply with current C&S design codes and...
IR35 Status:
Inside IR35

CV-Library Central London, London WC2N 5DU, 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 07, 2026  
Forward Deployed Engineer - Contract
Forward Deployed Engineer - Contract Morela is supporting a fast-growing AI start-up in hiring multiple Forward Deployed Engineers to work directly with customers, embedding into their environments to design, build and deploy high-impact AI solutions. This is not a back-office engineering role. You will be on the front line, translating ambiguous business problems into working AI systems, often under real-world constraints and with limited runway for iteration. If you are more comfortable shipping solutions with clients than sitting behind internal tickets, this is for you. WHAT YOU'LL BE DOING Work directly with clients to understand their business challenges and translate them into scalable, working technical solutions Design and deploy AI and ML systems in production customer environments Rapidly prototype, iterate and refine solutions based on real user feedback in real time Integrate AI models into existing client infrastructure and workflows Act as a trusted technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
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