Security Architecture Consultant

Job Description

Salary Range: £44,171 - £63,000

Leonardo UK operates a grade-based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.

Are you a network, systems, cloud or software engineer looking to take the next step intocyber security consultancy?
Do you enjoy solving complex technical problems, working with customers, and influencing how systems are designed- not just built?

As a Cyber Security Architect, you’ll work at the design and decision-making layerof major programmes. Rather than focusing on day-to-day operations, you’ll help customers build security in from the start- translating technical realities and business objectives into clear, robust, and proportionate security architectures.

You’ll work in acollaborative, agile consultancy environment, blending home and on-site working, and engaging closely with customers, delivery teams and fellow specialists.

You’ll use your technical background to:

Work with customers

• Build trusted relationships and understand customer missions, constraints and operating environments

• Engage confidently with engineers, project managers, security professionals and senior stakeholders

Understand complex systems

• Analyse existing and proposed IT environments, even where information is incomplete

• Apply recognised security principles, architectural patterns and frameworks to real-world systems

Think in terms of risk

• Identify architectural risks, threats and vulnerabilities

• Explain security trade-offs in clear, business-relevant language rather than just technical detail

Design secure solutions

• Define layered, secure by desig n architectures across people, process and technology

• Recommend practical security controls and patterns that will support project delivery

Provide assurance

• Review designs and implementations against agreed standards and regulatory expectations

• Support architecture governance, compliance and security assurance activities

Grow the practice

• Contribute to reusable architectural patterns, frameworks and offerings

• Provide technical leadership in bids, proposals and early solution shaping

This role suits experienced engineers or consultants who are comfortable with complex systems and are ready tostep into a broader, more influential security role.

• Strong communication and stakeholder engagement skills

• Ability to explain complex technical concepts clearly and confidently

• A consulting mindset: adaptable, dependable and focused on high-quality outcomes

• Enjoy working collaboratively and supporting the development of others

• Solid understanding of core IT fundamentals such as TCP/IP, networking, protocols and system interactions

• Experience designing or supporting complex IT, cloud, application or networked systems

• Ability to decompose large systems into logical, secure architectural components

• Experience translating high-level functional or mission objectives into technical or security requirements

• Understanding of security controls, threat mitigation and architectural trade-offs

• Ability to justifywhya control or design decision is needed — to both technical and non-technical audiences

• Previous exposure to security architecture, risk assessment or design assurance

• Experience mentoring junior engineers, architects or consultants

• Familiarity with UK MOD, defence or national security environments

We value practical experience,…