Senior Mechanical Design Engineer
Salary: Competitive rate - outside of scope of IR35
Job Reference: JOB-90279
Published: 06-03-2026
Duration: 12 month contract
Expiry Date: 03-04-2026
Country: United Kingdom
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 Senior Mechanical Design Engineer will be responsible for managing the quality and technical delivery of mechanical engineering designs within water industry projects. The role involves producing design deliverables, supporting multidisciplinary teams, and ensuring designs meet required safety, quality, and technical standards.
Contract type: Contract
Scope: Outside IR35
Location: Manchester
Industry: Water
Key Responsibilities
* Produce mechanical engineering design deliverables that meet safety, quality, and regulatory requirements.
* Develop design calculations and drawings for water industry projects.
* Support and guide CAD technicians, junior designers, and graduates.
* Prepare scopes of work for subcontract M&E design teams and review their outputs.
* Liaise with equipment suppliers and manufacturers to support project delivery.
* Prepare design investigations, reports, and technical specifications.
* Ensure designs comply with relevant technical, professional, and organisational standards.
* Manage and record design changes throughout the project lifecycle.
* Estimate design hours and support project planning.
* Attend and present designs at project meetings and technical reviews.
Required Qualifications & Experience
* Around 10 years’ design experience within the water industry.
* Strong experience in hydraulic design.
* Awareness of electrical design and control systems.
* Degree or HND in a relevant engineering discipline.
* Strong IT skills and membership of a relevant professional body, working towards chartership.
Preferred Experience
* Chartered Engineer status.
* Experience in electrical and/or control engineering.
* Experience working on both wastewater and clean water projects.
* Knowledge of construction methods, materials, and engineering drawing practices.
Key Skills
Strong technical knowledge, effective communication, problem solving, and the ability to support and develop junior engineers within a multidisciplinary engineering team.
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