Senior Design Consultant

New Yesterday

Overview ONNEC Group are a leading independent technology partner and global integrator, with over 30 years experience, and an 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. Role summary The Senior Design and Estimation Manager will act as the lead consultant 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. What you’ll be doing as our Senior Design Consultant
Development of client responses, including preparing quotations and conducting technical and commercial assessments to support the sales team in evaluating project viability, risks, and opportunities. Lead and coordinate allocated resources, to ensure timely, high-quality delivery of tender submissions and design development through a hands-on approach. Consult and coordinate with sales, operations and commercial departments to ensure a comprehensive response to client tenders. Work with senior sales directors in developing account plans and establishing pricing / sales strategies for allocated accounts. Liaise effectively with clients, main contractors, consultants, and internal teams, representing the company in formal design meetings and client presentations. Develop accurate pre-contract information and manage Pre-Contract Review (PCR) processes to mitigate risks. Support post-sales project phases by coordinating design changes, managing variations, and ensuring change control compliance within commercial and contractual frameworks. Review and validate tender cost proposals and Bills of Materials (BoMs), ensuring alignment with internal policies and project stakeholder sign-off. Ensure detailed design outputs—such as general arrangement plans, cabinet layouts, density drawings, and schematics—are completed to industry and client standards. Maintain industry awareness by gathering and sharing relevant technical standards and ensuring alignment with evolving data centre and SCS requirements. Conduct peer reviews of team members’ work, with a view to mitigating risk by identifying potential errors while also mentoring and coaching more junior consultants. Proactively mentor allocated resource and support line management in their development.
What we’re looking for
Extensive experience of Telecommunications Infrastructure Cabling, ICT Extensive experience in designing structure cabling solutions. Extensive experience of delivery Hyperscale Data Centre projects Ability to produce and deliver client presentations in a clear, concise and confident manner Ability to absorb and manage new services and applications Experience and temperament to deal with multiple priorities Proven ability to develop detailed designs packages Qualifications - RCDD, CNIDP or CDCP Accredited manufacturer training
If you feel you have the required skills and experience, click apply now to be considered as our Senior Design Consultant - we’d love to hear from you! #J-18808-Ljbffr
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Location:
Greater London
Job Type:
FullTime

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