Senior Enterprise Security Architect - Telecoms Design

In this role you shape client transformation through enterprise security design, translating requirements into secure architectures across hybrid cloud and on-prem environments. You work with cross-functional teams to align security controls with business goals, using industry frameworks to deliver risk-managed solutions. You’ll influence stakeholders, review client needs, and guide security architecture options that support enterprise missions. This is an opportunity to grow in a consultancy that values impactful, security-driven delivery.

• tailored benefits
• learning and development opportunities
• flexible work options

• Translate security requirements into enterprise architecture patterns at conceptual/logical levels across SDLC phases
• Define strategic, tactical, and operational security architecture options aligned to business goals
• Design IT, network and security principles for baseline and target architectures
• Develop security control architectures mapping to conceptual and contextual architectures
• Oversee validation, documentation, assessment, and authorization processes for information systems
• Lead adoption of Cyber/Technology Security Controls Frameworks (NIST/ISO/ISF/COBIT) to implement solutions
• Demonstrate subject matter knowledge in security domains (e.g., PAM/IAM, Cloud, IoT) and guide client journeys
• Engage with Enterprise Architects, business leaders, and technologists to foster relationships and drive delivery
• Coordinate discovery and audits to extract findings and recommendations
• Ensure architectures address governance, risk, and regulatory requirements (UK standards)
• Provide advisory support for security programmes or projects and ensure alignment with business processes

• Broad security consulting background
• Must have worked in a Telecoms environment
• Multi-year client-facing project and presentation experience in a professional services setting
• Strong ability to operate in demanding environments with delivery focus
• Influential with ability to build relationships with delivery partners and stakeholders at all levels
• Experience interfacing with Enterprise Architects, business people, and technologists
• Ongoing architectural and security qualifications (e.g., Open CA, TOGAF, SABSA, CCSK, CCSP, etc.)
• Willingness to obtain Defence Vetting (SC) if required for Public Sector work
• Experience in public sector environments

• Influencing and stakeholder management
• Relationship-building across diverse audiences
• Delivery-oriented mindset
• Enterprise Security Architecture
• Security design for hybrid cloud (O365, AWS, Azure, GCP) and on-prem
• Security controls frameworks (NIST/ISO/CIS/NCSC)