Senior Design Manager / Principal Designer CDM (Birmingham) Location: Birmingham (Hybrid working available) Contract Type: Full-time, hybrid contract Duration: 25 January July 2026 IR35 Status: Inside IR35 Rate: Negotiable based on experience MRR Infrastructure is recruiting on behalf of a leading consultancy recognised for delivering large-scale infrastructure projects across the UK transmission and distribution industry. The business provides innovative solutions in engineering, safety and project delivery, and is actively strengthening its CDM and Principal Designer capabilities. We are seeking a Senior Design Manager / Principal Designer (CDM) to join the team in Birmingham. This role will lead on health and safety design compliance, ensuring adherence to the CDM 2015 Regulations across all pre-construction and construction phases of major energy infrastructure projects. You will work closely with internal engineering teams, principal contractors, and clients to deliver a professional and billable safety-in-design service. This is a key position suited to someone with proven experience leading on design risk management, compliance coordination and safety integration within complex, multi-stakeholder environments. Key Responsibilities Include: Acting as Principal Designer under CDM 2015 for assigned projects Leading health and safety planning, coordination and design-stage compliance Managing risk through all stages of the project lifecycle Conducting HazID reviews and en