6 senior principal mechanical engineer jobs found

Principal EC&I Engineer Nuclear Manufacturing Company | Near Manchester Up to £58.50 per hour | Outside IR35 4-Day Working Week (4 x 10-hour days) A leading nuclear manufacturing company near Manchester is looking for a Principal EC&I Engineer to support the delivery of complex engineering projects within a highly regulated environment. This is a fantastic opportunity to join a growing team working on specialist equipment and systems, including gloveboxes and similar containment solutions. Key Responsibilities Lead EC&I engineering activities across design and project delivery Support UKCA / CE Marking compliance and technical file documentation Ensure designs comply with relevant standards and legislation Work closely with multidisciplinary engineering teams and stakeholders Provide technical oversight during manufacture, testing and commissioning What We're Looking For Strong experience in UKCA / CE Marking Background in highly regulated engineering...

Principal Protection & Control Engineer - Transmission & Substations Contract (Outside IR35) £86-90 per hour Glasgow (Hybrid / Site Visits) Immediate Start RESPONSIBILITIES: * Lead protection & control design for high-voltage substation and transmission projects. * Approve protection schemes, relay settings, and technical designs. * Review and sign off detailed substation protection packages (up to 400kV). * Carry out protection coordination and fault level studies. * Review vendor documents, specifications, and technical submissions. * Support design from early stage through to commissioning. * Provide technical input during construction and site activities. * Ensure compliance with UK standards, CDM regulations, and client requirements. * Lead engineering delivery on complex substation projects. * Provide quality assurance and technical governance across deliverables. * Mentor junior engineers and support team development. * Liaise with clients and project...

Principal Mechanical Engineer - Water Sector St Albans: Hybrid (3 Days Office) Contract: £55-65p/h (Outside IR35) Advance TRS are supporting a rapidly growing consultancy in their search for a Principal Mechanical Engineer. Joining a newly formed London business unit, you'll have the unique opportunity to help build a team from the ground up, influence how projects are delivered, and play a significant role in the future growth of the business within the UK water market. You'll lead the mechanical design of clean water and wastewater projects, producing high-quality engineering solutions while mentoring junior engineers and coordinating multidisciplinary design teams. Key Responsibilities: * Deliver mechanical design solutions for water and wastewater projects * Produce calculations, reports, specifications and design drawings * Lead and review work from junior engineers and CAD technicians * Coordinate with suppliers, manufacturers and subcontract design teams * Ensure...

Job Title: Senior / Principal Civil Engineer Salary: Dependent on experience Location: St Albans (Hybrid - minimum 3 days office-based) Type: Permanent or Contract (Outside IR35 available) - Hybrid About the Role: Our client is seeking experienced Senior and Principal Civil Engineers to join a multidisciplinary design team delivering projects across the regulated water sector. These opportunities are suited to engineers with strong design experience within water and wastewater who enjoy solving complex engineering problems, developing practical solutions and contributing to the successful delivery of projects. Depending on experience, you will take ownership of technical delivery, support multidisciplinary design teams and contribute to maintaining high standards of engineering quality and compliance. Principal-level candidates will also provide technical leadership and mentoring support across the team. Working closely with senior management and project teams, you will...

Senior Civil Design Engineer Contract type: Contract or Permanent Scope: Outside IR35 Location: Hertfordshire Industry: Water Purpose of the Role We are working with a specialist engineering consultancy providing design and infrastructure support across the rail and utilities sectors. The organisation supports projects from early design through to installation, delivering safe and efficient solutions on complex infrastructure programmes. The Civil Design Engineer will produce civil engineering design deliverables for projects across the regulated water industry, ensuring all work meets required safety, quality, and technical standards. Key Responsibilities Deliver civil engineering design packages that meet safety, quality, and regulatory requirements. Develop efficient design solutions from project scopes and site visits, communicating these with clients and project teams. Support and guide CAD technicians, junior designers, and graduates. Prepare design risk assessments,...

PSR Solutions are seeking an experienced Principal Mechanical Engineer to support a major infrastructure project in North West London. This is a long-term contract opportunity working on a complex, multidisciplinary scheme within a fast-paced project environment. Role Overview You will lead mechanical engineering activities from design through to delivery, ensuring systems are compliant, buildable, and delivered in line with programme and quality expectations. Key Responsibilities Lead and review mechanical design to ensure compliance and buildability Deliver mechanical solutions across building services and infrastructure systems Support design assurance, risk assessments, and technical reviews Contribute to safety studies (HAZID, HAZOP) Manage technical documentation and coordinate with design teams Work with site teams to resolve design and installation issues Attend testing and commissioning activities Liaise with commercial and planning teams to maintain programme...