At a Glance
- Tasks: Lead the design and governance of secure networking solutions in a regulated environment.
- Company: Join a leading tech firm focused on network and security innovation.
- Benefits: Competitive salary, professional development, and opportunities for career advancement.
- Other info: Work in a dynamic environment with a focus on collaboration and technical excellence.
- Why this job: Make a real impact by shaping secure enterprise networks with cutting-edge technology.
- Qualifications: SC Clearance and extensive experience in network architecture and security.
The predicted salary is between 60000 - 75000 £ per year.
We are seeking an experienced SC Cleared Technical Design Authority (TDA) to lead the design, governance, and assurance of secure enterprise networking solutions within a complex and highly regulated environment. This is a senior technical position requiring a strong blend of architecture, design authority, and hands‑on technical expertise across modern network infrastructure and security technologies, with particular focus on Aruba networking solutions and enterprise security architecture.
Key Responsibilities
- Act as the Technical Design Authority for network and security projects.
- Own and govern end‑to‑end network solution designs, ensuring alignment with business, security, and operational requirements.
- Lead technical design reviews and provide architectural assurance across programmes and projects.
- Produce and approve High‑Level Designs (HLDs), Low‑Level Designs (LLDs), and technical standards.
- Define secure network architectures for campus, data centre, and hybrid cloud environments.
- Provide technical leadership and guidance to engineering, delivery, and operational teams.
- Ensure solutions comply with government, regulatory, and organisational security requirements.
- Support technical bid responses, solution development, and stakeholder engagement activities.
Essential Skills & Experience
- Active SC Clearance.
- Significant experience operating as a Technical Design Authority, Network Architect, or Senior Network Consultant.
- Expert knowledge of Aruba networking technologies, including:
- Aruba CX Switching
- Aruba Wireless LAN (WLAN)
- Aruba ClearPass
- Aruba Central
- Network Access Control (NAC)
- Strong understanding of enterprise network design principles including:
- LAN/WAN
- SD‑WAN
- Routing & Switching
- High Availability and Resilience
- Network Segmentation
- Data Centre Networking
- Deep knowledge of network security architecture, including:
- Zero Trust principles
- Firewalls
- IDS/IPS
- Secure Remote Access
- Network Access Control
- Micro‑segmentation
- Security Monitoring and Logging
- Experience with security frameworks and accreditation processes.
- Strong stakeholder management and technical governance experience.
Desirable Skills
- Experience within Central Government, Defence, Critical National Infrastructure, or other secure environments.
- Industry certifications such as:
- Aruba Certified Design Expert (ACDX)
- Aruba Certified Mobility Expert (ACMX)
Technical Design Authority in London employer: Pearson Whiffin Recruitment Ltd
As a leading employer in the network and security sector, we offer a dynamic work environment that fosters innovation and collaboration. Our commitment to employee growth is evident through continuous training opportunities and a culture that values expertise and leadership. Located in a highly regulated area, our team enjoys the unique advantage of working on critical projects that make a real impact, all while ensuring compliance with government standards.
Contact Details:
Pearson Whiffin Recruitment Ltd Recruitment Team
