Mechanical Design Engineer – Derbyshire Specialist in Structural Fabrication | Flow, Acoustic & Thermal Systems | Contract Role Location: Derbyshire Rate: £40 per hour (Umbrella/Ltd – Outside IR35) Duration: 3-month initial contract (likely to extend) Start Date: Immediate Are you a versatile Mechanical Design Engineer with a solid background in large structural fabrications and engineering calculations? Our client is seeking an all-rounder —an experienced professional who can take a lead role in the full design process from concept to delivery. This is an opportunity to work on exciting, high-value projects in a dynamic engineering environment. What Our Client is Looking For: A Mechanical Design Engineer who brings: ? A hands-on background in fabrication and structural engineering ? Proficiency in engineering calculations – using Mathcad, Excel, and hand calculations ? Expertise in acoustics, airflow, and thermal systems ? Experience with both large and small companies, showcasing adaptability ? Strong ability in structural stress calculations and understanding of mechanical systems specifications Key Responsibilities: Interpret complex client specifications and develop concept mechanical designs Perform and validate calculations for structural loadings, ducting, airflow, and offshore environmental forces (pitch, roll, heave) Lead engineering analysis for cost and weight reduction, and improve design for manufacture Collaborate with multi-disciplinary teams, supporting and reviewing engineering work Engage in and lead technical design reviews ? Essential Experience: Solid Mechanical Engineering background with a proven track record in heavy/large-scale structural fabrication Proficient in Ansys, Mathcad, and hand calculations Strong grasp of acoustic, thermal, and airflow engineering principles Client-focused with excellent technical judgement and team collaboration skills Why Apply? Outside IR35 – flexibility and competitive rate Immediate start – hit the ground running Project variety – contribute to high-impact engineering programmes High extension probability – work with a client known for retaining skilled contractors Apply Now: Send your CV to or click ‘Apply' on this page. Please note: You must have the right to live and work in the UK. Sponsorship is not available for this role. ATA Recruitment is a specialist recruiter in Manufacturing, Civil, Infrastructure, and General Engineering. Explore more opportunities with us at ATA is committed to creating a diverse workforce and is an equal opportunities employer. We welcome applications from all suitably qualified persons regardless of age, disability, gender, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, and sexual orientation