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DCS Recruitment Limited
17 Oct, 2026
Permanent
Senior Mechanical Design Engineer
DCS Recruitment Limited Oxford, UK
Senior Mechanical Design Engineer Location: Oxford Sector: Aerospace & Defence Employment Type: Permanent The Role A leading engineering business is looking for a Senior Mechanical Design Engineer to join its team in Oxford. The role will involve leading the development of mechanical designs for aircraft customisation projects, taking solutions from initial concept through to detailed design, integration and manufacture. You will lead engineering work packages, oversee the work of a small team of design engineers and take responsibility for the technical accuracy and quality of design outputs. You will also manage product development through PLM systems, ensuring designs meet customer requirements, manufacturing constraints and relevant regulatory and certification standards. This is an opportunity for an experienced Mechanical Design Engineer to take on a senior technical position within a specialist aerospace environment, contributing to complex...
TT
14 Oct, 2026
Permanent
Senior Mechanical Design Engineer - Water Industry
Tetra Tech Birchwood, Warrington, UK
Take the next step in your career by helping deliver major AMP8 and AMP9 wastewater programmes across the UK. Join Tetra Tech's growing Water Consultancy team and play a key role in shaping engineering solutions that address pollution, flooding and long-term water industry challenges. Purpose and scope of the role: As Senior Mechanical Design Engineer, you will lead and contribute to multidisciplinary wastewater and water treatment projects from feasibility through to detailed design. Working closely with clients, senior engineers and project teams, you will develop mechanical solutions, review existing site infrastructure, and produce technical outputs including specifications, calculations, drawings, reports and design risk assessments. You will support delivery across major frameworks and help guide the work of less experienced engineers. Your impact in this position: You will help deliver high-quality engineering solutions that improve water services and...
Rullion Engineering Cumbria
08 Oct, 2026
Contract
Senior Mechanical Design Engineer
£45.00 - £55.00 hourly
Rullion Engineering Cumbria London, UK
Senior Mechanical Design Engineer - Contract Job Type: Contract - 6 Months Start date: ASAP Location: Teddington Working Arrangements: Hybrid - minimum 2 days per week on site Hours: 36 hours per week Rate: 45-55/hr Outside IR35 The Role We are seeking an experienced Senior Mechanical Design Engineer to join a leading scientific and engineering organisation in Teddington. You will be responsible for the end-to-end mechanical design of precision instruments, test equipment and measurement systems, translating customer requirements into robust, manufacturable solutions. Working within a multidisciplinary team, you will collaborate with scientists, engineers, project managers, manufacturing teams and suppliers to deliver high-quality designs to cost and programme requirements. Key Responsibilities Design and develop precision mechanical systems and equipment. Produce 3D CAD models and detailed engineering drawings. Interpret customer and technical...
Search Consultancy Ltd
02 Oct, 2026
Permanent
Senior Mechanical Design Engineer
Search Consultancy Ltd London, UK
An established Building Services Consultancy is looking to appoint a Senior Mechanical Design Engineer to support the delivery of a growing portfolio of projects across the commercial, residential, and education sectors. This is an excellent opportunity for a skilled mechanical engineer who enjoys taking ownership of projects, developing client relationships, and mentoring junior engineers. You will lead schemes from concept through to completion, working as part of a collaborative multidisciplinary team delivering innovative and sustainable building services solutions. Responsibilities Lead the mechanical design of building services projects across all RIBA stages. Design and specify HVAC, public health, heating, cooling, and ventilation systems. Produce design calculations, technical specifications, reports, and feasibility studies. Coordinate with electrical engineers, architects, contractors, and other consultants. Attend client, design team, and site meetings as the...
Browne Construction
25 Sep, 2026
Permanent
Senior Mechanical Design Engineer
Browne Construction Hertfordshire, UK
We are seeking a Senior Mechanical Design Engineer to play a leading role within our Design Team, taking technical ownership of mechanical engineering solutions across a wide range of water and wastewater treatment projects. In this role, you will guide the full design process from concept through to completion, ensuring every mechanical system meets regulatory, safety, and client requirements while maintaining high standards of efficiency and sustainability. You will collaborate closely with multidisciplinary teams to deliver fully integrated designs, oversee technical reviews and risk assessments, and provide expert support during procurement, installation, and commissioning. Acting as a mentor to junior engineers, you will help shape the future capability of the team while championing innovation, quality, and best practice across the business. Please note that this role requires you to be in the office or on site at least 3 times a week. About Browne (Non -...
Browne Construction
25 Sep, 2026
Permanent
Senior Mechanical Design Engineer
Browne Construction Derbyshire, UK
We are seeking a Senior Mechanical Design Engineer to play a leading role within our Design Team, taking technical ownership of mechanical engineering solutions across a wide range of water and wastewater treatment projects. In this role, you will guide the full design process from concept through to completion, ensuring every mechanical system meets regulatory, safety, and client requirements while maintaining high standards of efficiency and sustainability. You will collaborate closely with multidisciplinary teams to deliver fully integrated designs, oversee technical reviews and risk assessments, and provide expert support during procurement, installation, and commissioning. Acting as a mentor to junior engineers, you will help shape the future capability of the team while championing innovation, quality, and best practice across the business. Please note that this role requires you to be in the office or on site at least 3 times a week. About Browne (Non -...
South East Water
29 Sep, 2026
Permanent
Senior Mechanical Design Engineer
South East Water Snodland, UK
Summary: Are you a skilled mechanical engineer looking for a role that offers both technical challenge and a genuine work-life balance? Do you want to use your expertise to lead meaningful projects that provide a vital service to our community? As one of our Senior Mechanical Engineers, you'll provide the technical leadership needed to keep our MEICA team moving forward. This is a varied role where you'll oversee resource allocation, solve complex mechanical queries, and help deliver capital engineering schemes from the initial design through to commissioning. Whether you're an experienced professional looking for a more stable, value-driven environment or a rising talent ready to step into a senior position, you'll find plenty of opportunity here to make a tangible impact. Main Responsibilities: Develop Technical Solutions: Coordinate with multi-disciplinary teams-including Process and Civil-to create integrated, practical solutions for water infrastructure. Lead...
Rullion Managed Services
17 Oct, 2026
Contract
Senior Mechanical Building Services Design Engineer
Rullion Managed Services Manchester, UK
Job title: Senior Mechanical Building Services Design Engineer Job Type: 6 month temporary contract with possible extension Location: Manchester / Hybrid Pay rate: Competitive IR35: Outside IR35 Are you a talented Mechanical Building Services Design Engineer looking to take ownership of major infrastructure projects and play a key role in the delivery of complex, high-value engineering schemes? We're seeking a Senior Mechanical Building Services Design Engineer to lead the design and delivery of mechanical building services and HVAC systems across critical infrastructure and energy projects, including substations, power transmission facilities, HVDC projects, and other mission-critical environments. What You'll Be Doing Leading mechanical and HVAC design from concept through to construction support Producing and reviewing calculations, specifications, reports and technical studies Designing HVAC, plumbing/public health and associated building services systems Performing...
Rullion Ltd
06 Oct, 2026
Permanent
Senior/Principal/Head of Mechanical Design Engineers - Water
Rullion Ltd Trafford Park, Stretford, Manchester, UK
Senior Mechanical Design Engineer Principal Mechanical Design Engineer Mechanical Discipline Lead - Water Location: Manchester (Hybrid Working Available) Contract: Permanent or Contract (Outside IR35) The Opportunity Our client is a growing engineering design consultancy delivering multidisciplinary projects across the UK water, rail and utilities sectors. Due to continued growth, they are looking to recruit experienced Senior Mechanical Design Engineers, Principal Mechanical Design Engineers and Mechanical Discipline Leads to join their Manchester-based team. This is an excellent opportunity for experienced Mechanical Engineers with a background in the UK water industry to play a key role in delivering major clean water and wastewater projects. Depending on your level, you'll combine hands-on engineering design with technical leadership, mentoring and discipline governance, helping to shape engineering excellence across multiple water industry frameworks. Working...
Eden Brown
29 Sep, 2026
Permanent
Intermediate or Senior Mechanical Engineer
Eden Brown Kent, UK
Intermediate or Senior Mechanical Design Engineer Kent Hybrid Working Up to 60k Multidisciplinary Engineering Consultancy Complex & Technical Projects Are you an Intermediate or Senior Mechanical Engineer looking for a role where you can take genuine ownership of projects, work across technically challenging buildings, and have direct involvement with clients and the wider design team? This is an opportunity to join an established multidisciplinary engineering consultancy with over 30 years of experience, bringing together mechanical, electrical, public health, fire engineering, sustainability, project management and building validation expertise. The business works across the UK and internationally, delivering coordinated engineering solutions across sectors including commercial, residential, healthcare, education, data centres, industrial, defence and aviation. The Opportunity As a Mechanical Design Engineer, you'll become an important part of the MEP team, taking...
Rullion Ltd
06 Oct, 2026
Permanent
Senior/Principal/Mechanical Design Engineers - Water Design
Rullion Ltd London Colney, St Albans, UK
Senior/Principal/Mechanical Engineer My client is an engineering design consultancy working closely with a wide range of clients, across a number of disciplines within the UK rail and utilities industries. Full time role from the St Albans Office with occasional site visits for which travel expenses will be paid. Hybrid working possible when required provided agreed in advance. Can be contract (outside IR35) or permanent role. Responsibilities: Provide design deliverables that satisfy safety and quality requirements. Produce design calculations and drawings for the water industry Direct and develop CAD technicians. Prepare scopes for and check output of subcontract M&E design teams Liaise with, prepare specifications for and review tender responses from equipment suppliers and manufacturers Prepare design investigations, reports and specifications. Design in compliance with relevant technical, professional and group standards. Ensure project change for...
Aldwych Consulting
16 Oct, 2026
Permanent
Senior Electrical Engineer
Aldwych Consulting Nottingham, UK
Senior Electrical Engineer Location: Nottingham Job Type: Full-time Take the lead on projects that make a difference We're looking for a Senior Electrical Engineer to join an established building services consultancy, working across a varied portfolio of projects in the commercial, residential, education, industrial and leisure sectors. This is an excellent opportunity for an experienced engineer who enjoys getting involved in projects from the early design stages through to delivery. You'll have the chance to take ownership of technical work, work directly with clients and collaborate with a multidisciplinary team to create buildings that are efficient, practical and fit for the future. What you'll be doing Leading electrical building services design across a range of projects and project stages. Developing solutions for power distribution, lighting, emergency lighting, fire alarm systems, data and communications, security and other electrical systems. Working...
FR
16 Oct, 2026
Permanent
Principal Structural Engineer
First Recruitment Group United Kingdom
Senior / Principal Structural Engineer Flexible UK Location Hybrid Working I'm working with a leading engineering consultancy that is looking to appoint a Senior or Principal Structural Engineer to support the delivery of major water and wastewater projects across the UK. This is an excellent opportunity for a structural engineer who wants to work on significant infrastructure schemes from concept through to construction. You'll collaborate with multidisciplinary teams, influence design decisions, mentor junior engineers, and play a key role in delivering sustainable solutions within the water sector. What You'll Be Doing Structural design of reinforced concrete and steel structures for water and wastewater projects. Producing calculations and reviewing drawings, models and subcontractor designs. Coordinating with civil, mechanical, electrical and process engineering teams. Supporting project delivery, ensuring designs are safe, buildable and cost-effective. Providing...
FR
16 Oct, 2026
Contract
Senior Mechanical Engineer
First Recruitment Group Devonport, Plymouth, UK
Job Title: Senior Mechanical Services Engineer Location: Remote (2 days/month in Plymouth) Contract: 12 Months (Ongoing) Rate: Negotiable DOE Clearance: BPSS to start. Must be eligible for SC Clearance (British nationals only). Overview We are seeking a Senior Mechanical Services Engineer to support the delivery of major infrastructure upgrades within a highly regulated defence and nuclear environment. You will lead multidisciplinary design packages from concept through to handover, ensuring delivery to the required safety, quality, schedule and cost targets. Key Responsibilities Lead and deliver mechanical design work packages, acting as the technical focal point and Responsible Engineer. Review and approve engineering calculations, drawings, specifications and technical documentation. Manage design activities, programme delivery, risks, issues and change control. Lead design reviews, HAZIDs, ALARP assessments and CDM activities. Ensure compliance with...
Calibre Search
16 Oct, 2026
Permanent
Senior Electrical Engineer
Calibre Search Reading, UK
Senior Electrical Engineer Circa 65,000 Fully Remote (within 2hrs of Central London) Building Services Consultancy If you're a mechanical engineer who's ready for genuine ownership of projects rather than being another name on a drawing, this is worth a look. Broad, hands-on scope, real client and site relationships, and a business that's scaling fast enough to need senior people who can help shape how the Electrical function grows. The Role Deliver Electrical systems, Lighting system designs across a varied sector mix Work independently on design while managing client and site relationships directly Take on Stage 2 and 3 design work as standard, with Stage 4 experience valued Support and mentor junior members of the electrical team as it continues to grow Occasional site surveys (roughly monthly), otherwise fully remote About You Solid, broad-based Electrical design experience across power distribution and switchgear, lighting and controls,...
Calibre Search
16 Oct, 2026
Permanent
Senior Electrical Engineer
Calibre Search Portsmouth, UK
Senior Electrical Engineer Portsmouth (Hybrid) 50k to 65k+ Most consultancies say they work on "interesting projects." This one designs building services for defence estates, central government and critical national infrastructure, where the drawings have to survive security vetting as well as a design review. They're a multi-discipline design and build consultancy based in Portsmouth, and the last couple of years have been a good story. New leadership has brought proper structure and calm. Projects go out on time, clients notice, and more work is coming in. The business gets more profitable every month and is now hiring to keep up. The Role Lead electrical design on defence, government and public sector projects, from survey and feasibility through to commissioning Lighting, power, small power, life safety and security systems in live, secure and regulated environments Some travel to sites across the South and South West, with day trips kept within about two...
Calibre Search
16 Oct, 2026
Permanent
Senior / Principal Electrical Engineer
Calibre Search Cambridge, UK
Senior/Principal Electrical Engineer Cambridge Up to 65k Overview Three and a half years ago, one of Cambridge's newer building services teams was just getting going. It's grown steadily since, built on a simple idea: take the best bits of the big consultancies and the best bits of the small ones, and leave the rigid banding and reduced autonomy behind. The mechanical side of that team is now well established. The electrical side needs reinforcing, and that's where this role comes in. The Role You'll join a growing Cambridge-based consultancy as an Electrical Engineer, reporting into an Associate who leads the discipline. The level is genuinely open, so whether you're operating at senior or principal capability, there's a route that fits. Get involved earlier in the design process. The team has historically leaned heavily on Stage 3/4 onwards work and is actively rebalancing towards more early-stage involvement Senior engineers are expected to lead their own...
DCS Recruitment Limited
16 Oct, 2026
Permanent
Senior MEP Project Engineer
DCS Recruitment Limited Cardiff, UK
Senior MEP Project Engineer Cardiff Circa 70,000 per annum (DOE) Full-time Permanent DCS Engineering are currently supporting a growing engineering and technical organisation with the recruitment of a Senior MEP Project Engineer to support the delivery of Digital Infrastructure projects. This is an excellent opportunity for an experienced Mechanical, Electrical or Building Services Engineer to work on complex and mission-critical projects. Working closely with the Project Manager and wider delivery team, you will take ownership of engineering packages, coordinate multidisciplinary interfaces and provide technical guidance to engineers, helping ensure projects are delivered safely, efficiently and in line with programme, quality and commercial requirements. Key Responsibilities Lead the technical coordination and delivery of complex MEP packages, ensuring alignment with project scope, specifications, programme, quality standards and agreed budgets. Review...
EL
15 Oct, 2026
Permanent
Principal Civil Engineer - Energy
ERSG Ltd United Kingdom
Principal Civil Engineer - Energy Role focus: Technical leadership, civil engineering design, project scoping and quality assurance Role Overview We are seeking an experienced Principal Civil Engineer to provide technical leadership across a varied portfolio of energy infrastructure projects. The role will involve translating client requirements into clear, deliverable engineering scopes, developing practical and commercially aware solutions, and providing technical oversight and quality assurance across project delivery. The successful candidate will bring a strong civil engineering background and the ability to apply sound engineering judgement to complex, multidisciplinary projects. They will work closely with clients, project leads and specialists across civil, structural, geotechnical, mechanical and electrical, environmental and project management disciplines. This is a technically led position suited to an engineer who enjoys solving problems, supporting delivery...
TT
14 Oct, 2026
Permanent
Senior / Principal Mechanical Engineer - Leeds /Various
Tetra Tech Leeds, UK
Are you an experienced Mechanical Building Services Engineer ready to take a leading role in technically challenging projects? Tetra Tech is seeking a Senior / Principal Mechanical Building Services Engineer to join our established Manchester team. This position offers the opportunity to lead multidisciplinary projects across sectors including life sciences, defence, education, commercial, healthcare and renewable energy, delivering high-quality engineering solutions that make a meaningful impact. Purpose & Scope of the Role In this role, you will provide technical leadership and deliver mechanical building services design across a diverse portfolio of projects. You will manage project work from concept through to completion, ensuring designs meet client requirements, programme expectations and regulatory standards. Working within a multidisciplinary environment, you will contribute to the successful delivery of projects by producing high-quality calculations,...
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