216 senior mechanical engineer jobs found

Senior Mechanical Engineer Basildon, Essex (4 day/week on site) £63ph (Inside IR35) Initial 9 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...

Senior Mechanical Engineer – Leading Asset Integrity at Wytch Farm Oilfield Step into a pivotal role at one of the UK’s most dynamic onshore oilfields. As a Senior Mechanical (Integrity) Engineer based at the Wytch Farm oilfield near Corfe Castle, Dorset, you will be at the forefront of ensuring the mechanical integrity and safety of critical static equipment. This is an exciting opportunity to apply your expertise in a high-impact environment, taking ownership of integrity risks and regulatory compliance to safeguard asset performance and environmental standards. You will lead senior mechanical engineering tasks, including approval of piping isometrics, purchase specifications, and quality documentation, while maintaining close collaboration across internal teams and external stakeholders. Your expert judgment will guide the management of asset risk in line with industry best practices and safety legislation such as PSSR, PSR, and COMAH. Required Skills Proven expertise...

Senior Mechanical Engineer – Contract Consultancy Location: Southampton Project Location: London Contract Length: Approx. 9 months RIBA Stages: Stage 3 possibly progressing into Stage 4 Sector: High-rise Residential / Leisure / Hotel The Role: An established Building Services consultancy based in Southampton is seeking an experienced Senior Mechanical Engineer to support delivery of a major high-rise residential tower project in central London. This is a contract position focused on detailed design delivery at RIBA Stage 3, with a strong pipeline into Stage 4. You will be joining a technically strong, design-led engineering team working across residential, leisure and hotel elements on a complex, high-profile scheme. Key Responsibilities: Lead mechanical building services design through RIBA Stage 3 and into Stage 4 Deliver detailed designs for HVAC, ventilation, heating and cooling systems, plant and controls Coordinate with electrical, public health and...

Our client, a large Aerospace and Defence supplier is looking for a Mechanical Design Engineer to join them on a contract basis at their site in Basildon. Due to the nature of the project, applicants must hold the sole British nationality and hold SC Clearance. 6 month initial contract Location: Basildon, 4 day per week onsite Rate: £64.22 p/h UmbrellaKey Responsibility Areas 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...

Senior Mechanical Engineer - Nuclear (SRP / Sellafield) Hybrid - 3 days in Warrington office 18-month contract 40 hours per week BPSS clearance required £55 Inside IR35 Overview We are recruiting a Senior Mechanical Engineer to support delivery of the Sellafield Product and Residue Store Retreatment Plant (SRP). You'll be embedded within the PPP delivery team, providing hands-on mechanical engineering expertise across design, manufacture, testing and integration of complex plant and equipment. This is a long-term opportunity on a high-profile nuclear programme with real national impact. Key Responsibilities Deliver mechanical engineering work packages to agreed time, cost and quality Produce high-quality design deliverables (specs, drawings, analyses, verification) Develop safe, fit-for-purpose, integrated design solutions Ensure designs are suitable for manufacture, construction, commissioning, operation and decommissioning Manage and direct designers producing...

Senior Mechanical Engineer - Nuclear/Defence Sector Location: Preston (3 days per week) Contract Length: 12 Months Rate: £52-£60 per hour based on years experience (Inside IR35) A leading nuclear organisation in the UK is seeking a highly skilled Senior Mechanical Engineer to join a prestigious and high-profile project within the nuclear and defence sectors. This is an excellent opportunity for a senior engineer to contribute to the development of critical systems on a significant project. Key Responsibilities: Provide expert technical support within specialist design areas, ensuring adherence to project deadlines and objectives. Review and approve technical documents, designs, calculations, analyses, drawings, and models, ensuring that they meet the highest standards for design documents and technical reports. Make key engineering decisions from both a project and technical standpoint, ensuring alignment with overall project goals. Act as the Technical Authority or Lead...

A leading nuclear organisation in the UK is seeking a highly skilled Senior Mechanical Engineer to join a prestigious and high-profile project within the nuclear and defence sectors. This is an excellent opportunity for a senior engineer to contribute to the development of critical systems on a significant project. Senior Mechanical Engineer - Nuclear/Defence Sector Location: Warrington (3 days per week) Contract Length: 12 Months Rate: £52-£60 per hour based on years experience (Inside IR35) Key Responsibilities: Provide expert technical support within specialist design areas, ensuring adherence to project deadlines and objectives. Review and approve technical documents, designs, calculations, analyses, drawings, and models, ensuring that they meet the highest standards for design documents and technical reports. Make key engineering decisions from both a project and technical standpoint, ensuring alignment with overall project goals. Act as the Technical Authority or Lead...

Have you led mechanical design packages from concept through to installation and commissioning on complex engineering projects? Are you comfortable taking technical ownership, guiding other engineers and engaging directly with contractors and clients? Looking for an outside IR35 contract where your expertise genuinely influences project outcomes rather than just filling a seat?   The Opportunity An outside IR35 contract opportunity has arisen for a Senior Mechanical Engineer to support a major project portfolio based in the Liverpool area. This role offers technically challenging work, genuine autonomy, and the chance to contribute to multidisciplinary engineering delivery on industrial-scale assets. We would also welcome applications from these industries: Energy, process engineering, nuclear, petrochemical, heavy manufacturing This role would suit candidates working in these roles: Senior Mechanical Engineer, Lead Mechanical Engineer, Mechanical Design Engineer, Principal...

Senior Mechanical Engineer – Long-Term Contract | Liverpool (Refinery) 📌 Outside IR35 We’re currently looking for an experienced Senior Mechanical Engineer to work a long-term contract based at a food refinery in Liverpool. This is an excellent opportunity for someone seeking stability, technical challenge, and leadership responsibility on a major industrial site. Key Responsibilities: 📌 Take ownership of mechanical design and approval of drawings and deliverables 📌 Prepare specifications, data sheets, and enquiry packages for equipment suppliers 📌 Develop Scopes of Work for installation contractors and manage mechanical work packages 📌 Participate in progress meetings, interdisciplinary reviews, constructability studies, HAZOP/HAZID, risk assessments, and client workshops 📌 Liaise closely with other engineering disciplines and senior management Minimum Requirements: 📌 Degree in a relevant engineering discipline 📌 Chartered status preferred 📌 Strong background in a design and...

OLG Recruitment are recruiting for a Senior Mechanical Engineer to work for a client based in Warrington. This is a full time contract position, for approximately 18 months. 3 Days in office, 2 days from home. This is role is Inside IR35. Basic purpose: Senior Mech Engineer – Required to deliver work packages across various system scope, in a wide variety of mechanical handling and lifting problem solving scenarios. Essential. * CEng/IEng status * Experienced in delivering fit for purpose mechanical design solutions to cost and schedule. * Ability to break down a problem/issue into constituent parts and present options for resolution. * Able to contribute to the production of, deliver to, and report on plans of work. * Able to communicate both verbally and in writing with a variety of stakeholders. * Has a working knowledge and understanding of regulations relevant to the delivery of machinery (SOMSR 2008, CDM, PUWER, LOLER etc.) * Is familiar with...

We have an exciting opportunity for a Senior Mechanical Engineer to get involved in expanding our clients team in Ireland and help further strengthen our technical capabilities in Europe whilst working on landmark projects. You will be joining the Mechanical team, with role will predominantly be focused on overseeing the delivery of multiple sectors including Data Centres, Commercial Office, Hotel & Residential, Retail and Laboratory projects With flexible working arrangements, great opportunities for personal growth and development and a collaborative and inclusive work environment, join us and help us in making spaces work. Design and review of mechanical system designs for a range of projects Act as a sounding board for mechanical engineers in the office, offering design direction and guidance Peer review of designs and specifications of mechanical systems Play an active role in developing the mechanical team technical capability Be expected to lead...

Senior Mechanical Engineer – Contract – West Wales / Hybrid Location: West Wales / Hybrid This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical and Renewable Energy sectors. This role is deemed to be outside IR35. Our client is based in West Wales and can accommodate a hybrid working pattern. Role & Responsibilities * Participate in relevant meetings such as Design Reviews, Model Reviews and HAZIDs. * Execute all Piping/Mechanical Engineering activities and maintain technical integrity. * Familiarity with piping, static equipment and rotating equipment. * Develop and contribute to mechanical equipment specification / datasheets to allow purchase of range of equipment. * Oversee designers in the development of multi-discipline plant upgrade project. * Supporting the development of Mechanical and Piping layout for a range of energy projects at different...

Senior Integrity Engineer – Mechanical Our client, a leading independent Oil & Gas Operator, is looking for a Senior Integrity Engineer to join their dynamic team at Wytch Farm oilfield near Corfe Castle, Wareham, Dorset. This is an initial 12 month contract with the scope to become longer term for the right individual. Qualifications & Experience Required: * A Mechanical Engineering BEng/MEng degree is essential. * Chartered Engineer CEng or actively working towards professional membership – desirable * API / EEMUA certifications - desirable * Ideally a minimum of 8 years evidenced senior mechanical engineering experience within the oil and gas industry. Also open to candidates with a minimum of 5 years relevant engineering experience within a related industry. * A working knowledge of UK onshore safety legislative environment and applicable codes and standards for pressure equipment and pipelines. * Rigorous attention to detail in a high-hazard...

We are seeking a Senior Mechanical Design Engineer for an exciting 6-month project based in Norwich. This is a high-profile, large-scale project, offering the opportunity to work on cutting-edge engineering systems. Contract Details: Duration: 6 months Location: Norwich IR35: Outside Rate: Negotiable Key Responsibilities: Design and development of vessel systems and pressure systems Preparation of mechanical design reports, calculations, and FEA analysis Design and fabrication of sheet metal components Work closely with the project team to ensure designs meet technical, safety, and regulatory requirements Provide innovative solutions to complex engineering challenges Essential Skills & Experience: Proven experience in mechanical design for vessel/pressure systems Proficient in SolidWorks Strong background in FEA analysis, design calculations, and reporting Experience in sheet metal design and fabrication Ability to work independently and deliver results in a...

Our client is a well-established, multi-disciplinary engineering and project consultancy operating across the built environment in England. The organisation delivers technically robust mechanical design and advisory services across a varied portfolio of complex projects, primarily within regulated and public-sector environments. Known for its collaborative culture and strong commitment to professional development, the business offers a supportive, long-term career path for experienced engineers seeking senior responsibility and influence. Senior Mechanical Design Engineer - Salary & Benefits Salary £70,000 - £85,000 (dependent on experience) Car Allowance Nest Pension Scheme 22 days annual leave, with discretionary Christmas shutdown Hybrid Working Discretionary annual bonus Bupa Private Healthcare/ Dental Cover Extensive APC / chartership support where relevant to the role Cycle to Work Scheme/ EV Scheme Early finish on the last Friday of every month Senior Mechanical...

Senior Mechanical Design Engineer - MEP London Contract (Outside IR35) Hybrid - 3 days a week in Office Rate: £45/hr - £50/hr A consultancy we are partnered with is looking for a contract senior mechanical design engineer to work on a contract basis in their London office. Consultancy or contractor background welcome, working on various sectors, notably commercial, residential and education. Proficiency in Revit desirable but not required. Contract length is like to be 6 months rolling. Looking to start someone end of Feb/beginning of March. If you are interested please apply with your CV

On behalf of FCDO, we are looking for a Senior Technical Engineer Outside IR35 on a 12 months contract based Hybrid 2-3 days a week in London The Foreign, Commonwealth & Development Office (FCDO) pursues our national interests and projects the UK as a force for good in the world. We promote the interests of British citizens, safeguard the UK's security, defend our values, reduce poverty, and tackle global challenges with our international partners. DV Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance. As a Senior Technical Engineer , your main responsibilities will be to: * As part of the OED Overseas Maintenance Strategy, support the...

Mechanical Mate, Chelsea, start 08/02/2026, night shift, £180-£200 pn We are looking for an experienced Mechanical Mate to assist a Senior Engineer on an upcoming maintenance project at Royal Brompton Hospital. Scope of Works: Assisting with maintenance of 12 AHU units on site Supporting the Senior Engineer with planned maintenance tasks Working in a live healthcare environmentRequirements: Basic DBS in date (up to 1 year old) - essential Previous HVAC experience - essential Must have worked with AHU units before Reliable, professional, and able to work in a hospital setting F-Gas not requiredJob Details: Start date: Sunday 8th February Finish date: 13th February Working hours: From 18:00 to approximately midnight each night Location: Royal Brompton Hospital Rate: Dependent on experience Please apply to be considered, or call Gosia at Tech People on (phone number removed) for more information. Tech-People are the leading recruitment business and agency within M&E and...

Our client has an opportunity for a Building and Construction Project Lead to join them on a contract for 12 months with possible extension. You will be responsible for setting up and leading CAPEX projects from inception and feasibility, through to design and specification and final handover. Role: Building and Construction Project Leader Location: Portsmouth, 60% onsite Hours: 37 per week Clearance: BPSS required to start. Current SC would be desirable. UK Eyes Only due to project Hourly Rate: £40.00 per hour via Umbrella, inside IR35 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,...

Maintenance Engineer Bolton area Greater Manchester needed for a 4 on 4 off with overtime this is a hands on role working for an international manufacturer and YOU MUST have experience of maintaining machinery in a manufacturing environment. Maintenance Engineer based Greater Manchester £35+ Outside IR35 Multi Skilled role working for a high speed packaging manufacturer Maintenance Engineer must have FMCG experience Maintenance Engineer is an Outside IR35 Contract Excellent money Long term contract Overtime available Maintenance Engineer will be working for a very friendly company and team, staff really enjoy working here and are treated well with lots of career progression and opportunity to enhance on skill set, extra courses and development. The company like to promote from within and have opportunities to do this if you wish as well as further progress skills. Maintenance Engineer Desired Skills and Experience Mechanical or Electrical qualification or...