Meet the Lead Technical Consultant - Rizwan Mahmood (Riz)

With over 25 years of experience in networking and cybersecurity, the Lead Consultant at NU Consultancy brings a wealth of technical expertise, strategic insight, and real-world delivery experience to every engagement.

Holding both Certified Information Security Manager (CISM) and Certified Information Systems Security Professional (CISSP) certifications having spent three decades designing, securing, and supporting network infrastructures across a diverse range of industries and environments.
Throughout the career, worked with organisations of all sizes, from growing businesses to large enterprises including Tier1 and Tier2 ISPs, helping clients develop secure, resilient, and scalable network architectures that align with business objectives.

Experience & Expertise:

•    Over 30 years of networking and cybersecurity experience 
•    CISM and CISSP certified 
•    Extensive experience across enterprise, public sector, and commercial environments 
•    Network architecture and design specialist 
•    Security strategy, governance, and risk management expertise 
•    Hands-on experience with a wide range of networking and security technologies across numerous        vendors but to name few:

     o    Cisco (Certified)
     o    Juniper (Certified)
     o    Fortinet (Certified)
     o    F5
     o    Huawei
     o    HPE
     o    VMWare
     o    Proxmox

•    Proven track record delivering complex infrastructure and security projects 
•    Hybrid deployment with Cloud and "On-Prem" using AWS and/or Azure.
•    A Practical Approach

Having worked with a broad range of networking and security platforms throughout their career, the Lead Consultant combines deep technical knowledge with a pragmatic understanding of business requirements. This ensures that every solution is not only technically sound but also practical, cost-effective, and aligned with the organisation's goals.

Whether providing strategic network architecture guidance, security consultancy, infrastructure design, or technology roadmaps, the focus remains on delivering solutions that are secure, resilient, and built to support long-term success.

As the founder of NU Consultancy, the Lead Consultant has been helping organisations navigate networking and security challenges since 2001. Drawing on decades of industry experience and recognised professional certifications, they work closely with clients to deliver trusted advice, practical solutions, and measurable results.