Security Architect (HLD)

London, United Kingdom | Posted on 11/02/2026

Job Description

• Role: Infrastructure Architect with IAM experience
• Location: Harbour Exchange Square, London
• Mode: Hybrid (2 days to office)
• Experience: 8 to 15 years
• Job Type: Fixed term contract and Hybrid.

Job Purpose

The Infrastructure Architect plays a key role in CVS architecture / technology division. The role involves producing designs and overseeing the implementation of solutions encompassing hardware, software, and security to ensure performance, scalability, and reliability; bridging business needs on-premises, cloud, and hybrid environments.

This role involves collaborating with cross-functional teams to understand business requirements, providing technical leadership, and ensuring designs meet CVS architectural principles and security standards. The architect should be a strong technologist that is very aware of current developments in the technology spectrum.

Key Responsibilities

• Produce high-quality high-level Design documentation describing technical systems solutions, providing overall design direction and recommendations for resolution of complex technical issues.
• Analyse existing Design documents, find recommended options in the market, produce presentations to the Architect team with options and reasoning and later proceed with Design documents.
• Provide technical leadership and direction to the IT engineering, delivery and test teams throughout implementation phases.
• Support the Enterprise Architects in the development of infrastructure road maps to support the evolution of the technical and digital portfolios from current to future state.
• Act as liaison between Architecture and Engineering and direct the development of technical standards and platforms, quality, and best practices.

Required Skills and Experience

• Strong technical knowledge including Microsoft technologies, Red Hat Linux, datacentre and cloud, enterprise networking: WAN/LAN/WLAN, routing, firewall, ID/IP/IPS, WAN optimization, proxy, VPN services, load balancing, and IT security.
• Experience designing, documenting, integrating, and managing complex infrastructure solutions across on-premises and cloud environments such as AWS.
• Knowledge of networking, storage and server hardware configuration and design.
• Good knowledge of cloud networking (AWS and Azure) components.
• Ability to communicate solutions to other stakeholders.
• Ability to assess and recommend third-party tools and systems to complement existing offerings.
• Knowledge of security design.
• Good knowledge of risk management.
• Work closely with other architecture disciplines including Enterprise, Infrastructure and Security, as well Engineering and Operations.
• Provide technical guidance to team members and other stakeholders.
• Identify and recommend opportunities for efficiency.
• Stay updated on new features and capabilities and best practices.
• Ability to deal with ambiguity and manage diversity.
• Share knowledge within the team and contribute to the organization’s learning culture.

Education and Certifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent work experience).
• Industry recognized certifications such as TOGAF, CITA, RHCA.