Mechanical Design Engineer

We are a UK-based engineering business with a reputation for innovation, precision, and delivery in complex mechanical handling and kinetic architecture systems. With a portfolio spanning world-class projects in Defence, Aerospace, Nuclear, Sports & Entertainment, and Infrastructure sectors, SCX continues to invest in its people, processes, and operational capability to meet growing demand and exceed customer expectations.Purpose of the RoleThe Mechanical Engineer plays a key role in delivering high-quality, technically sound mechanical design solutions across SCX’s portfolio of engineering projects. Working across all stages of the project lifecycle—from concept through to manufacture and commissioning—this role ensures that mechanical designs are accurate, compliant, cost-effective, and aligned with client and regulatory requirements.Key ResponsibilitiesMechanical Design & EngineeringContribute to mechanical design across the Concept, Detailed Design, and Manufacture phases of each project.Produce high-quality 3D CAD models and 2D manufacturing drawings, including general arrangements, sub-assemblies, and part details.Ensure all designs comply with project specifications, budgets, industry standards, and health & safety regulations.Balance design decisions between bespoke components and COTS/MOTS solutions for optimal cost, performance, and reliability.Engineering DocumentationCreate and maintain comprehensive technical documentation, including:Design risk assessmentsEngineering calculations and substantiation reportsFunctional specificationsCE technical files and compliance documentationSupport preparation of accurate and usable Operation & Maintenance (O&M) manuals.Cross-Functional CollaborationWork closely with Sales, EC&I, Production Engineering, Quality, Procurement, and Test & Installation teams to ensure integrated project delivery.Provide hands-on technical support to internal teams and the supply chain during build, test, and commissioning phases.Participate in site visits and provide technical expertise during customer engagement and installation activities.Project Delivery & Task ManagementPlan and manage personal workload to meet deadlines and budget constraints.Track and report progress of assigned tasks, supporting the wider team in achieving project milestones.Engage professionally with clients and stakeholders, recording actions and decisions through SCX action trackers.Proactively close out assigned actions and support resolution of technical queries and NCRs.Skills & Experience RequiredProven experience in mechanical design engineering within a project-focused or technical environment.Strong understanding of mechanical engineering principles, manufacturing processes, and material selection.Proficiency in 3D CAD (e.g., SolidWorks, Inventor) and technical drawing production.Ability to produce detailed engineering documentation and CE compliance files.Skilled in engineering calculations and technical validation.Excellent communication and teamwork skills.Organised and self-motivated with strong time management and task prioritisation abilities.Comfortable working across multiple projects with changing priorities and deadlines.Job BenefitsFlexible Start and Finish Times: Shape your day with flexible start and finish times around our core working hours.Pension Scheme: We operate a salary sacrifice pension schemeAnnual Leave: New starters receive 25 days of holiday, plus statutory bank holidays.Need a Few More Days? Our holiday purchase scheme lets you buy up to 5 additional days of holiday each year.Long Service Awards: After 5 years with us, your holiday entitlement increases by 1 day. After 10 years, it increases by another day.Employee Referral Scheme: Refer suitable candidates who align with our values, and you’ll be rewarded for helping us build a great team.