115 senior mechanical engineer jobs found in Basildon

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...

Crem Recruitment is recruiting on behalf of its client for a Senior Mechanical Design Engineer to join a growing engineering and manufacturing business based near Newmarket on a 12-month fixed-term contract. This is the kind of role that suits an engineer who enjoys being trusted. Someone who wants ownership, variety and the opportunity to genuinely influence products, projects and manufacturing improvements rather than simply being another cog in a large corporate machine. The business is going through a significant period of growth and investment, with engineering sitting right at the centre of it. Production capability has expanded rapidly, new projects continue to come through the door and the design team now needs an experienced Mechanical Design Engineer who can help lead from the front technically, whilst remaining hands-on day-to-day. You’ll be involved across the full lifecycle, from concept generation and detailed design through to prototyping, testing, production...

ALink Recruitment are working with an engineering consultancy that are seeking an experienced Senior Mechanical Engineer to support the detailed design, analysis, and technical verification of tunnel fire main systems across multiple major rail infrastructure assets. The role will be part-time (likely 2-3 days/week), starting from around July time. The role will involve carrying out: * Transient fluid pressure (surge / water hammer) analysis to verify hydraulic performance and transient pressure behaviour of tunnel fire main systems * Pipe stress analysis to assess piping system behaviour under sustained, thermal and transient loading conditions and determine required pipe support, restraint and anchor arrangements The successful candidate will develop and check analytical models for complex long-distance tunnel fire main systems and provide engineering outputs to support mechanical design integration, structural coordination, and formal design assurance activities. The...

Job Title: Intermediate/Senior Mechanical Engineer - 12 Month Contract or Permanent Location: London based Contract Rate: £45-£50 per hour outside IR35 or Permanent Salary: £50-£60k About the Role: We are seeking an experienced Mechanical Engineer to join a dynamic team focused on innovative engineering solutions in the water and environmental sector. This role offers the flexibility of primarily remote work, with occasional visits to the London office, and provides the opportunity to work on cutting-edge projects in a collaborative environment. Key Responsibilities: Design, develop, and optimise mechanical systems and components. Prepare detailed engineering drawings, specifications, and documentation. Work closely with project teams to deliver solutions from concept through to installation and commissioning. Support project planning, risk assessment, and troubleshooting mechanical issues. Ensure compliance with relevant industry standards, codes, and best practices....

Role: Freelance Senior Electrical Design Engineer (MEP)- £45 - £50 Per Hour The role involves leading the electrical design and delivery of complex building services projects across a range of sectors including commercial, residential, healthcare, education, and mixed-use developments. You will take technical ownership of projects, mentor junior engineers, and work closely with clients and the wider design team to deliver high-quality, compliant, and sustainable solutions. Responsibilities: Electrical Design & Technical Leadership * Lead the electrical design of building services systems including LV power distribution, lighting and emergency lighting, small power, earthing and bonding, fire alarm, data/telecoms, and security systems * Prepare and review detailed calculations, specifications, reports, and technical drawings * Undertake and review load assessments, fault level calculations, and cable sizing * Provide technical input from concept through detailed...

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...

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...

World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...

Senior Manufacturing Engineer Luton 12-Month Contract Paying up to £46.50p/h (Inside IR35) Please note - due to the nature of the work you will need to hold a high level of UK Security clearance Key Responsibilities Developing manufacturing processes by studying product requirements; researching, designing, modifying, and testing manufacturing methods and equipment; understanding feedback from operators, conferring with equipment vendors or external suppliers Participating and supporting Manufacturing Maturity Reviews, maintaining governance through the Lifecycle Management process and creating/contributing to Manufacturing Plans Providing manufacturing decision-making information to aid the: review of production schedules; reviewing production labour and material costs; estimating future requirements preparation of product and process reports by collecting, analysing, and summarising information and trends Building prototype products, writing work instructions and training...

Data Centre Operations * Ensures compliance with data centre business units and service-level policies. * Engages with appropriate teams and resources to execute tasks or projects. * Manages programs associated with area of responsibility. * Follows and adheres to safety and security policies and procedures. Reports immediately any safety or security issues or concerns. * Participates in Root Cause Analysis (RCA) process as appropriate. * Lead or participate in incident response activities for critical infrastructure failures, ensuring minimal downtime and effective recovery processes. * Proactively identify potential risks or vulnerabilities in the critical environment and implement strategies for mitigation. * Manage relationships with external vendors for equipment maintenance, repairs, and emergency services. * Help support and provide ongoing knowledge sharing to other team members to enhance their knowledge of critical environment systems and...

Contract position Outside IR35 On-site - Hybrid working in West Sussex Our client, a leader in the automotive sector, is currently seeking a skilled Mechanical Design Engineer to join their team on a contract basis. This role involves designing a wide range of complex engine components, with a focus on off-highway, large engine, heavy-duty, and marine applications. Key Responsibilities: The mechanical design of components through concept, definitive, and detail design phases Carrying out detailed mechanical design work including 3D modelling, basic stress calculations, FMEA's, 2D layouts, 2D detailing, and tolerance stacks Ensuring that system and component specifications meet the required design standards Creating 2D drawings for manufacture or purchase Producing assembly drawings and bills of materials Managing design change requests in a timely manner Ensuring the fit and function of responsible parts or systems and their interaction with other systems Maintaining up-to-date...

The RLE INTERNATIONAL Group is one of the world's leading providers in the fields of vehicle development, technology and consulting. On the basis of more than 40 years of development & consulting, we provide innovative and effective solutions for our UK customers in the area of Automotive Engineering. RLE INTERNATIONAL is represented at locations close to its customers in Europe, Asia and USA. Job Title: Senior Systems Engineer – Energy Storage Systems Rate: Negotiable (in line with experience) Location: Oxford/Banbury – 3 months (potential to extend) Job Description: We are seeking a Systems Engineer to support the development and integration of an energy storage program utilizing electric motors, power inverters, and battery systems. The Systems Engineer will be responsible for defining system requirements, ensuring subsystem integration, managing technical risks, and supporting the full system lifecycle from concept through deployment and operation. Key...

Our client has an opportunity for a Building and Construction Project Leader to join them on a contract basis for 12 months with possible extension. Role: Project Leader Location: Portsmouth - fully onsite Hours: 37 per week Hourly Rate: Up to £40 per hour via Umbrella, inside IR35 Clearance: BPSS required before starting, UK Eyes Only due to project What you'll be doing: Develop, update/manage and monitor a project delivery plan. Identify and manage risks and opportunities. Manage CAPEX business cases from preparation through approval to delivery and project close. Develop detailed design briefs for Building Services design for a range of projects including major plant replacement and refurbishment works. Skilled and competent in IT tools, able to produce and present documentation, reports, technical analysis, cost reports. Experience in SharePoint / MS Project / G suite highly preferred. Application of industry standard design and software Liaising with clients, architects...

Mechanical Project Engineer - Water Sector (Contract) Rugby - Newbold STW (CV21 1HF) £400-£500 per day Contract Until End of 2026 TRIbuild Solutions are recruiting for an experienced Mechanical Project Engineer to support AMP8 wastewater projects at Newbold STW in Rugby. This role will focus on mechanical design integration, procurement, subcontractor management, and package delivery through manufacturing, installation, commissioning, and handover. Responsibilities Coordinate internal and third-party mechanical designs Review P&IDs, BIM models, GA drawings, and supplier technical submissions Ensure compliance with WIMES and client specifications Produce and manage mechanical procurement packages Support technical subcontractor evaluations and procurement activities Manage long-lead mechanical equipment and procurement schedules Oversee subcontractor technical compliance and delivery on site Support FATs, commissioning, installation, and handover activities Manage technical...

My client is a leading contractor in the Steel frame and Groundworks sector. We are currently recruiting a Site Engineer to complete an 8 month contract. You will be required to manage the engineering, including the setting out of the ground works/steel frame package. Site Engineer Responsibilities: • Reporting and working with the Project Manager and foreman. • Site set up and compliance with health and safety • Completing all setting out associated to the ground works and steel Frame aspects. • Raising technical queries on design issues. Site Engineer Requirements: • CSCS card. • SMSTS or SSSTS – Desirable, not essential. • Previous experience setting out ground works and drainage. • Degree in Civil Engineering or Time Served. The Next Steps: To apply for the role as a Site Engineer, click on the apply now button below and submit your CV for further information

RLE International is working on behalf of their Essex based Automotive Client, who are currently looking for a Functional Safety Systems Engineer to support their team. Position Description: Rate: £29.59 (via Umbrella PAYE) – increasing to £38.38 after 12 weeks under AWR’s (Agency Worker Regulations) Our client is seeking a Functional Safety Systems Engineer to join their core team in the Essex. You will be a key player in ensuring complex, distributed technologies including powertrain, infotainment, and active safety meet the highest safety standards. Using Model-Based Systems Engineering (MBSE), you will bridge the gap between research and production, turning "what if" into "what’s next." As a key member of an exciting team leading Functional Safety activities in Product Development, this role involves working with technology subject matter experts to conduct Functional Safety analysis using efficient model-based systems engineering (MBSE / SysML) tools. Additionally, you will...

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 infraastructure 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...

Senior Technology Engineer (Innovation & Drones) * Location: Stratford, London (Hybrid – minimum 2 days per week onsite) * Duration: 6 months (Strong potential to convert to permanent) * Rate: £450 - £470 per day (Inside IR35) * Clearance: BPSS * Application Deadline: URGENT – Thursday 21st May at 17:00 About the Role Are you a tech-forward engineer passionate about automation, drone technology, and AI? We are seeking a Senior Technology Engineer to join a high-profile innovation team dedicated to modernising high-speed rail infrastructure (HS1). This is a transformational, hands-on contract role where you will drive the innovation agenda, directly reducing manual maintenance by introducing bleeding-edge automation and remote condition monitoring technologies. Key Project Focus Areas * Drone Technology: Leading the deployment of drones for inspecting hard-to-reach assets (ventilation shafts, steep embankments) and...

Project Engineer / Technology Engineer - HS1 Rail Infrastructure 6-Month Contract | Potential Permanent Opportunity Inside IR35 £450 to £470 per day (Umbrella rate). Hybrid - Location Stratford London. We are seeking a technically strong Project Engineer / Technology Engineer to support innovation projects across the HS1 asset base. The role will focus on automation, digital technologies, and improving maintenance efficiency, safety, and sustainability. Key Responsibilities Deliver innovation and technology projects across HS1 Support automation of inspection and maintenance activities Implement emerging technologies and digital solutions Drive operational efficiency and asset performance improvements Engage with engineering, operations, and external technology partners Essential Skills & Experience Experience delivering technology or innovation projects Exposure to drones and/or remote condition monitoring Strong technical mindset with software/systems understanding...

Our client, a prominent force in the Defence & Security sector, is seeking a Quality Engineer on a contract basis to join their team in Harlow. This Fixed Term Contract (FTC) role spans 3-4 months with an essential focus on QA/ENG Test witnessing. Our client is looking for a professional capable of operating in a complex engineering and legislative environment whilst contributing to high-profile programmes delivered to customers in both the UK and internationally. Key Responsibilities: Perform First Article Inspections (FAIRs), preferably to AS9102 standards. Investigate defects to identify and address root causes. Maintain quality records using QPulse. Monitor and report status effectively and timely for assigned programmes or areas of responsibility. Interface and communicate with programme and functional areas to support business goals. Conduct Quality Audits including product release and process audits. Provide support during external accreditation audits & knowledge...