We are seeking a highly experienced Security Systems Design Engineer with strong enterprise-level expertise in the design, estimation, and delivery of integrated security solutions. The successful candidate will play a key role in developing compliant, innovative, and commercially competitive security system designs, supporting pre-sales activities, and producing high-quality tender and technical submissions. This role requires deep technical knowledge across leading security platforms and the ability to translate client requirements into robust, scalable system. architectures. Key Responsibilities Design integrated security systems (CCTV, access control, intercoms, perimeter detection) Produce tender responses, technical submissions, and compliance documentation Complete detailed estimates including equipment, labour, and licensing Develop scalable system architectures for enterprise environments Ensure compliance with relevant standards and client specifications Support client engagement, design reviews, and bid clarifications Technical Expertise Platforms: FLIR, Gallagher, Lenel, C-Cure, Hirsch, Commend Strong knowledge of integrated security systems and IP networking Experience with multi-vendor system integration Experience Proven background in security system design and pre-sales Strong experience with tender documentation, bid writing, and estimating Experience delivering large-scale / enterprise security projects Skills Technical documentation & bid writing Commercial awareness and estimating accuracy Stakeholder communication Problem-solving and attention to detail On offer is a basic of 50-60k dep on experience