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senior mechanical design engineer Hertfordshire
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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 -...
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...
Browne Construction
25 Sep, 2026
Permanent
Senior Process Design Engineer
Browne Construction Hertfordshire, UK
We are seeking a Senior Process Engineer to take a leading role within our Design Team, responsible for planning, directing, and delivering high-quality process designs across a diverse portfolio of water and wastewater treatment projects. In this position, you will oversee technical delivery, guide multidisciplinary teams, and ensure that all solutions meet rigorous regulatory, environmental, and client requirements. You will collaborate with engineers, stakeholders, regulators, and clients to ensure each project is aligned, efficient, and future-focused. Alongside driving technical excellence, you will mentor junior engineers, champion innovation, and promote sustainable, cost-effective treatment solutions that meet the evolving needs of the water industry. Please note that this role requires you to be in the office or on site at least 3 times a week. About Browne (Non - Infrastructure) At Browne, we are engineering with purpose. We are a leading UK contractor...
AT
18 Oct, 2026
Permanent
Data Center Project Manager, Critical Projects Implementation (CPI)
Amazon TA Hemel Hempstead, UK
AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we're the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the supply chain - and we're looking for talented people who want to help. You'll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You'll collaborate with people across AWS to help us deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our customers. And you'll experience an inclusive culture that welcomes bold ideas and empowers you to own them to completion. The...
AT
18 Oct, 2026
Permanent
Controls Engineer, EMEA Controls
Amazon TA Hemel Hempstead, UK
AWS Infrastructure Services (AIS) AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we're the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the supply chain - and we're looking for talented people who want to help. You'll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You'll collaborate with people across AWS to help us deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our customers. And you'll experience an inclusive culture that welcomes bold ideas and empowers you to...
Aldwych Consulting
15 Oct, 2026
Permanent
Project Design Engineer
Aldwych Consulting Watford, UK
Project Engineer / Senior Project Engineer - Watford Location: Watford Salary: Up to circa 47,000 DOE Type: Full-Time Permanent Working Pattern: Hybrid - 3 days in the office, 2 from home The Opportunity An established engineering consultancy is looking to appoint a Project Engineer or Senior Project Engineer to join its team in Watford. This is an opportunity to join a well-established civils team working across a varied portfolio of projects, including industrial developments, rail infrastructure and private residential schemes . The business is looking for an engineer with at least 3 years' experience who can contribute to technical delivery, work collaboratively with colleagues and take on increasing responsibility across a range of civil engineering projects. The Role Delivering civil engineering designs across a variety of infrastructure projects Developing engineering solutions from initial design through to delivery Producing and coordinating...
Ja
14 Oct, 2026
Permanent
Graduate Transport Planner (Stevenage)
Jacobs Stevenage, UK
Graduate Transport Planner (Stevenage) Join the Jacobs Graduate Development Program (GDP) and help shape better environments, communities and societies. Bring your passion, creativity and ambition - and together, we'll create lasting change. What You'll Get Our two-year Graduate Development Program is designed to accelerate your growth as you begin your Jacobs career. Through blended learning, mentoring, progress reviews and networking, you'll build capability across four key areas: human skills, consulting skills, championing our strategy, and developing your personal passions. You'll tailor your learning journey to your interests, career goals and technical strengths - creating a graduate experience that's uniquely yours. Much of your development will come through real project work, supported by your manager and mentor to ensure you gain the experiences that matter most. The Graduate Development Program isn't just a steppingstone - it's a launchpad. You'll gain...
Ja
14 Oct, 2026
Permanent
Graduate Highways Engineer (Stevenage)
Jacobs Stevenage, UK
Graduate Highways Engineer (Stevenage) Join the Jacobs Graduate Development Program (GDP) and help shape better environments, communities and societies. Bring your passion, creativity and ambition - and together, we'll create lasting change. What You'll Get Our two-year Graduate Development Program is designed to accelerate your growth as you begin your Jacobs career. Through blended learning, mentoring, progress reviews and networking, you'll build capability across four key areas: human skills, consulting skills, championing our strategy, and developing your personal passions. You'll tailor your learning journey to your interests, career goals and technical strengths - creating a graduate experience that's uniquely yours. Much of your development will come through real project work, supported by your manager and mentor to ensure you gain the experiences that matter most. The Graduate Development Program isn't just a steppingstone - it's a launchpad. You'll gain the...
Johnson Matthey
09 Oct, 2026
Permanent
Electrical Controls Graduate Engineer
Johnson Matthey Royston SG8, UK
Job Title: Electrical Controls Graduate Engineer Location: Royston We currently looking for an Electrical Controls Graduate Engineer at Johnson Matthey in our Graduate Engineering Programme (GEP) as part of the Group Engineering function. The GEP supports the key capabilities of our business and the rapid professional progression of future engineers. Graduates on the GEP will undergo various technical and leadership development while completing high-priority business projects. They will be assigned a mentor to support progress towards Chartered Engineer status. At Johnson Matthey, your work will matter. As a Electrical Graduate Engineer, you'll join a world leader in platinum group metals with over 200 years of history and innovation. You'll help tackle the world's biggest challenges - cutting emissions, powering modern society and enhancing lives - as we continue to apply, refine and recycle metals that matter, for a healthier and more resilient future. The role: As...
Johnson Matthey
09 Oct, 2026
Permanent
Electrical Graduate Engineer
Johnson Matthey Royston SG8, UK
Job Title: Electrical Graduate Engineer Location: Royston We currently looking for an Electrical Engineer at Johnson Matthey in our Graduate Engineering Programme (GEP) as part of the Group Engineering function. The GEP supports the key capabilities of our business and the rapid professional progression of future engineers. Graduates on the GEP will undergo various technical and leadership development while completing high-priority business projects. They will be assigned a mentor to support progress towards Chartered Engineer status. At Johnson Matthey, your work will matter. As a Electrical Graduate Engineer, you'll join a world leader in platinum group metals with over 200 years of history and innovation. You'll help tackle the world's biggest challenges - cutting emissions, powering modern society and enhancing lives - as we continue to apply, refine and recycle metals that matter, for a healthier and more resilient future. The role: As an Electrical Graduate...
Browne Construction
08 Oct, 2026
Permanent
Senior Bid Manager
Browne Construction Hertfordshire, UK
Are you a Senior Bid Manager who takes full ownership of multiple live opportunities? We are looking for someone who can bring structure, pace and accountability to a varied bid portfolio, coordinating stakeholders, inputs, deliverables, reviews and final outputs from qualification through to submission. Reporting to: Head of Bid Management As Senior Bid Manager, you will own a portfolio of opportunities from qualification through submission, clarification and post-tender review. You will establish the plan, define responsibilities, manage dependencies and keep operational, technical, commercial and senior stakeholders aligned to clear deadlines. The portfolio is deliberately varied, combining major framework procurements with a high volume of smaller in-framework opportunities. Success will depend on your ability to apply proportionate governance, maintain momentum across concurrent bids and ensure every input, review and final output is complete, coherent and...
Aldwych Consulting
06 Oct, 2026
Permanent
Civil Design Engineer - Data Centres
Aldwych Consulting Welwyn Garden City, UK
Civil Design Engineer Location: Hertfordshire Salary: 39,000 - 47,000 + Excellent Benefits An excellent opportunity has arisen for a Civil Design Engineer to join a leading, multidisciplinary engineering consultancy based in Hertfordshire . The consultancy has a strong reputation for technical excellence and a collaborative approach, with an established project pipeline across sectors including residential, commercial, distribution and technology, including data centres . This is a great opportunity for a Civil Engineer looking to develop their technical experience within a supportive consultancy environment, working on a varied range of development infrastructure projects across the UK. The Role As a Civil Design Engineer, you'll be involved in the design and delivery of civil infrastructure projects from concept through to detailed design and construction. Working alongside experienced engineers and multidisciplinary teams, you'll have the opportunity to...
Rullion Ltd
06 Oct, 2026
Permanent
Civil/Senior/Principal/Associate Design Engineers - Water
Rullion Ltd London Colney, St Albans, UK
Civil Design Engineer/Senior Civil Design Engineer/ Principal Civil Design Engineer/Associate Civil Design Engineer - Water Location: St Albans/Hybrid (2/3 days in the office) Contract Type: Permanent Or Contract (Outside IR35) - Full Time The Role We are seeking experienced Civil Design Engineers (with clean/wastewater experience) at a range of levels to produce high-quality civil engineering design deliverables across the regulated water industry. You will play a key role in delivering safe, compliant, and efficient designs, working closely with multidisciplinary teams and supporting the development of CAD technicians. Key Responsibilities Produce civil engineering design deliverables that meet safety, quality, and regulatory requirements Prepare design calculations, drawings, reports, specifications, and design risk assessments Deliver designs in accordance with relevant technical, professional, and water company standards Carry out hydraulic...
Aldwych Consulting
29 Sep, 2026
Permanent
Civil Design Engineer
Aldwych Consulting Welwyn Garden City, UK
Civil Design Engineer Location: London Salary: 39,000 - 47,000 + Excellent Benefits An excellent opportunity has arisen for a Civil Design Engineer to join a leading, multidisciplinary engineering consultancy based in London . The consultancy has a strong reputation for technical excellence and a collaborative approach, with an established project pipeline across sectors including residential, commercial, distribution and technology, including data centres . This is a great opportunity for a Civil Engineer looking to develop their technical experience within a supportive consultancy environment, working on a varied range of development infrastructure projects across the UK. The Role As a Civil Design Engineer, you'll be involved in the design and delivery of civil infrastructure projects from concept through to detailed design and construction. Working alongside experienced engineers and multidisciplinary teams, you'll have the opportunity to develop your technical...
Aldwych Consulting
29 Sep, 2026
Permanent
Senior Civil Design Engineer
Aldwych Consulting Welwyn Garden City, UK
Senior Civil Engineer Location: Hertfordshire (Hybrid Working Available) Salary: 50,000 - 65,000 + Excellent Benefits An excellent opportunity has arisen for an experienced Senior Civil Engineer to join a leading, multidisciplinary engineering consultancy based in Hertfordshire . This growing firm has a strong reputation for technical excellence, a collaborative culture, and a genuine commitment to professional development. The successful candidate will be joining a forward-thinking consultancy with a healthy project pipeline across sectors including residential, commercial, distribution, and technology, including data centres. You'll play a key role in designing and delivering innovative, sustainable infrastructure solutions across the UK. The Role As a Senior Civil Engineer, you'll be responsible for leading and managing the design of civil infrastructure projects from concept through to completion. You'll take technical ownership of schemes and support the wider...
Aldwych Consulting
29 Sep, 2026
Permanent
Senior Civils Technician
Aldwych Consulting Welwyn Garden City, UK
Senior Civil Technician Hertfordshire Up to 50,000 + benefits I'm currently working with a well-established, growing civil & structural engineering consultancy that is looking to appoint a Senior Civil Technician to support its expanding infrastructure team. This is a great opportunity to join a forward-thinking business delivering projects across residential, commercial, and infrastructure sectors, with strong exposure to 3D design and BIM-led workflows. The Role: You'll play a key role in producing high-quality civil engineering drawings and 3D models, supporting the design and delivery of infrastructure schemes from concept through to construction. Key Responsibilities: Producing detailed CAD drawings and 3D models Supporting drainage, highways, and infrastructure design Assisting with site data, surveys, and technical reports Coordinating with engineers, architects, and project teams Maintaining project documentation and design standards About You:...
Browne Construction
25 Sep, 2026
Permanent
Process Design Engineer
Browne Construction Hertfordshire, UK
We're looking for a Process Design Engineer to join our Design Team and play a key role in shaping the treatment solutions that support vital water and wastewater infrastructure. In this role, you'll contribute to the planning, development, and delivery of process designs across a variety of technical projects, working closely with multidisciplinary teams to ensure designs are effective, efficient, and compliant with regulatory and industry standards. You'll support the creation of key process documentation such as flow diagrams, mass balances, P&IDs, and process control philosophies while helping to drive innovation, sustainability, and operational excellence. From design optimisation to participation in HAZOP studies and project reviews, you'll be central to delivering treatment solutions that perform reliably and sustainably for our clients. Please note that the 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
EICA Design Engineer
Browne Construction Hertfordshire, UK
Are you ready to help shape the future of water and wastewater treatment? We're looking for an EICA Design Engineer to play a key role within our Design Team, contributing to projects that protect communities and the environment. In this exciting role, you'll design and develop Electrical, Instrumentation, Control, and Automation systems that underpin critical treatment processes. You'll work closely with civil, mechanical, and process engineering colleagues to ensure seamless integration of all EICA components, from concept design through to commissioning and project handover. Your expertise will support project delivery teams, guiding safe and efficient implementation while staying at the forefront of emerging technologies and best practice in automation and water treatment systems. Please note that this role will require you to be on site or in the office at least 3 times a week. About Browne (Non - Infastructure) At Browne, we are engineering with purpose. We are...
Aldwych Consulting
23 Sep, 2026
Contract
Senior Civil/Structural Design Engineer
£38.00 - £45.00 hourly
Aldwych Consulting Watford, UK
Freelance Senior Civil / Structural Design Engineer Location: Watford - Hybrid & Remote Working Rate: Up to 45 per hour Umbrella Contract: Freelance Long-Term Opportunity I'm working with a major engineering and construction organisation that is looking to bring an experienced Senior Civil / Structural Design Engineer into its internal design consultancy on a freelance basis. The design team supports major projects across a range of sectors, including water, heavy industrial, power and wider design-and-build infrastructure . You'll work closely with construction teams, clients, contractors and the wider supply chain to deliver practical, technically robust engineering solutions. This is a long-term freelance opportunity offering significant flexibility around location and remote working. The role will be based from Watford , although significant flexibility is available around remote working. Some initial time in the office will be required for induction...
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