Security Architecture Consultant

Responsibilities

• Are you a network, systems, cloud or software engineer looking to take the next step into cyber security consultancy?
• Do you enjoy solving complex technical problems, working with customers, and influencing how systems are designed - not just built?
• You'll work in a collaborative, agile consultancy environment, blending home and on-site working, and engaging closely with customers, delivery teams and fellow specialists.
• Your role in practice:
• 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

Requirements

• This role suits experienced engineers or consultants who are comfortable with complex systems and are ready to step into a broader, more influential security role.
• Core strengths
• 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
• Technical background
• 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
• Security and architecture
• 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 justify why a control or design decision is needed - to both technical and non-technical audiences
• Additional experience (beneficial, not essential)
• 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
• Certifications
• We value practical experience, but relevant certifications are welcomed, such as:
• Security+: CISMP, CCSP
• TOGAF
• AWS or Azure cloud certifications
• This is not an exhaustive list, and we are keen to hear from you even if you might not have experience in all the above. The most important skill is a good attitude and willingness to learn.
• Security Clearance
• Why join us
• At Leonardo, our people are at the hea

Benefits

Additional Information

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.

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