> Markdown version of [/jobs/ext/1462081-principal-consultant-ict-security-consultancy](https://www.wearedevelopers.com/jobs/ext/1462081-principal-consultant-ict-security-consultancy). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Consultant (ICT & Security) - Consultancy - **Company:** Hamilton Barnes - **Location:** Bristol, UK - **Experience:** Expert - **Salary:** £80,000.0 - £100,000.0 - **Contract:** Permanent contract - **Skills:** Data Transmissions, Intrusion Detection and Prevention, Working Model 2D, Computer Networking Systems, SC Clearance - **Published:** July 28, 2026 - **Apply:** https://www.careerjet.co.uk/job/gb656b1ffdb596f38867a16c72893cb430/eaa ## About the Role Skills / Must Have: * 10+ years' experience in ICT systems for buildings and infrastructure environments * Strong background in telecommunications, building services or infrastructure engineering design * Proven experience in both project delivery and client/business-facing work * Experience working within secure environments (e.g. defence or critical infrastructure) * Eligibility for UK Security Clearance (or current/previous SC clearance) * Strong understanding of integrated building ICT and security systems * Experience coordinating multidisciplinary design teams * Ability to produce technical documentation (reports, specifications, design outputs) * Knowledge of systems such as: * Data communications and networking systems * Secure/non-secure communications systems * Structured cabling and telecoms infrastructure * CCTV and video surveillance systems * Access control and intruder detection systems * Perimeter and physical security systems (including barriers, fencing, HVM considerations) * Strong communication and stakeholder engagement skills * Degree qualified (or equivalent experience) in a relevant discipline * Professional membership or working towards (e.g. engineering/security-related institution) desirable ## Description Join a global professional services organization with decades of experience delivering complex infrastructure, advanced technologies, and critical systems across a diverse range of industries. Working on projects that shape communities and drive long-term sustainability, the business provides end-to-end expertise from advisory and design through to delivery and lifecycle management. The Principal Consultant will join the Buildings & Infrastructure practice within a multidisciplinary Cities & Places environment, working as part of a specialist ICT & Security team that supports projects across sectors including water, transport, cities, defense, and critical infrastructure. The successful candidate will combine hands-on technical design leadership with client engagement and commercial responsibility, with clear opportunities to progress into more strategic and leadership-focused responsibilities. If you would like to learn more about this opportunity, feel free to reach out and apply today! Responsibilities: * Lead and deliver ICT and security design solutions across building and infrastructure projects from feasibility through to handover (RIBA stages) * Act as a client-facing lead for ICT/security work, supporting relationship development and project delivery * Contribute to business development activity alongside sector leads (no cold outbound sales focus) * Work across multidisciplinary teams spanning architecture, engineering and infrastructure disciplines * Provide technical oversight for secure communications and building ICT systems * Coordinate and integrate security solutions across complex infrastructure environments * Mentor and support junior team members, maintaining technical quality and delivery standards * Prepare technical reports, specifications, and responses to client briefs and proposals * Support delivery across multiple sectors including defence, critical infrastructure, water and transport (excluding rail preference where possible) ## Related Videos - [Machine Learning for Software Developers (and Knitters)](https://www.wearedevelopers.com/videos/154-machine-learning-for-software-developers-and-knitters) - [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [The Neuro-Architecture of Productivity: How Work Environments Impact Cognitive Performance](https://www.wearedevelopers.com/videos/1122-the-neuro-architecture-of-productivity-how-work-environments-impact-cognitive-performance) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [A Hitchhiker's Guide to Resource Efficient Software](https://www.wearedevelopers.com/videos/1414-a-hitchhiker-s-guide-to-resource-efficient-software) ## Related Articles - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [UK Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/326-uk-business-culture-and-etiquette) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Events like RSAC Get You CISOs. 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