Senior Design & Estimation Consultant

ONNEC Group are a leading independent technology partner and global integrator, with over 30 years experience, and a 800+ team of global experts, specialising in providing end-to-end connectivity solutions that propel organisations everywhere. From structured cabling to managed services, our end-to-end services give infrastructure that can be completely replied on. Design. Build. Deploy. Optimise. We offer a complete solution for business connectivity. We are a rapidly growing organisation and finding and retaining the highest calibre of people is fundamental to us for the success of our business, we work hard to create a challenging, supportive and satisfying working environment for all our employees. ONNEC has successfully achieved the Investors in Diversity Foundational Award for our commitment to equality, diversity and inclusion in the workplace. The Senior Design and Estimation Consultant will act as the lead across a number of strategic and key accounts, with full responsibility of ensuring accurate, high-quality design and estimation outputs are produced at both the pre-sales and post-sales stages of the project lifecycle. The successful candidate will work closely with sales, commercial, and operations teams to oversee the preparation of technical cost submissions, coordinate updates and revisions, and oversee all post-sales deliverables—including construction drawings, variation responses, and site surveys. A key focus of the role is to optimise revenues, margins, and win rates. This will be achieved through strong leadership, attention to detail, and a commitment to ensuring that all design and cost outputs align with client expectations while supporting the company’s strategic and commercial objectives. The ideal candidate will bring a proven track record within the ICT sector and strong leadership capabilities. Strong leadership, combined with excellent communication and influencing skills, will enable the candidate to collaborate effectively with internal teams and external stakeholders across all stages of the project lifecycle.