> Markdown version of [/jobs/ext/3838140-applications-engineer](https://www.wearedevelopers.com/jobs/ext/3838140-applications-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Applications Engineer - **Company:** Macstaff - **Location:** Gloucester, UK - **Experience:** Expert - **Salary:** £60,000.0 - £70,000.0 - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, SolidWorks (CAD), Failure Mode Effects Analysis - **Published:** October 20, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/applications-engineer/52822770 ## About the Role You will have To be successful as Applications Engineer / Design Engineer, you will bring a strong combination of practical engineering experience, technical knowledge and customer-facing communication skills. More specifically: Experience in mechanical design, applications engineering or product engineering within a manufacturing environment. Knowledge of O-rings, sealing products, hydraulic systems or related fluid-power applications. Understanding of engineering materials, including elastomers, thermoplastics, polymers and composites. Experience using SolidWorks or similar 3D CAD software, with sound engineering design principles. Familiarity with precision manufacturing processes, machining, moulding and engineering quality systems. Strong technical problem-solving skills and the ability to develop practical solutions to customer requirements. Confidence communicating directly with customers, suppliers and internal engineering teams. Relevant engineering qualifications (HND, Degree or apprenticeship) or equivalent industry experience. Experience within sealing technology, hydraulics, pumps, valves, compressors, motorsport or oil and gas would be advantageous. Above all, you will be a proactive, commercially aware engineer who enjoys solving technical challenges and delivering high-quality engineering solutions. ## Description You will like The Applications Engineer (Sealing & Hydraulics) job itself, which is a senior, hands-on, customer-facing engineering role taking ownership of product applications from initial enquiry through design, development, manufacturing and release. You will apply your engineering design, materials and applications knowledge to develop innovative solutions for technically demanding customer requirements. More specifically: Design, specify and develop precision engineered components, including O-rings, hydraulic seals, rotary seals, bearings, bushes and other specialist sealing products. Provide technical guidance on sealing systems, hydraulic applications, material selection and engineering design. Produce and approve engineering designs using SolidWorks 3D CAD, including detailed drawings, GD&T and tolerance analysis. Specify appropriate engineering materials, including PTFE, PEEK, elastomers, thermoplastics and composites. Provide expert technical support to customers, including occasional site visits and application reviews. Investigate product performance, technical issues and component failures, recommending practical engineering solutions. Collaborate with customers, suppliers, manufacturing and sales teams to ensure successful project delivery. Support engineering quality assurance and continuous improvement, including ISO 9001, PPAP, FMEA and First Article Inspection.