Lead Security Architect - Defence & Aviation

NTT DATA; London; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

A leading company in the Defence and Aviation sector is seeking a Lead Security Architect to design secure solutions that support national security initiatives. The ideal candidate will possess extensive experience in security architecture and a strong ability to engage with key stakeholders. This role offers the chance to work on high-impact projects with a focus on innovation and security best practices.

Benefits

Flexible work options

Continuous growth and development opportunities

Qualifications

• Extensive experience in Enterprise Security Architecture within Defence/Government or Aviation.
• Proven track record of delivering security architecture projects from conception to completion.
• In-depth knowledge of relevant security standards and regulations.

Responsibilities

• Design and implement security architectures aligning with industry standards.
• Conduct risk assessments and threat modelling.
• Lead technical discussions and engage with senior stakeholders.

Skills

Analytical skills

Problem-solving

Stakeholder management

Security architecture principles

Education

Degree in Computer Science, Information Security

CISSP Certification

CISM Certification

GIAC Certification

Job description

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Lead Security Architect - Defence & Aviation, London

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Client:

NTT DATA

Location:

London, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

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Job Reference:

8083e6eff3cc

Job Views:

19

Posted:

22.06.2025

Expiry Date:

06.08.2025

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Job Description:

Job Description

What you'll be doing:

Lead Security Architect Consultant- Defence & Aviation

NTT DATA is seeking a highly skilled and independent Senior Security Consultant (Architecture) to provide expert guidance and actively design and implement secure solutions within the Defence & Aviation sectors. This role requires a consultant with a proven ability to translate complex security requirements into robust architectural designs, influencing stakeholders and driving security best practices. This position involves working on high-impact projects that support national security and aviation operations.

Key Responsibilities:

• Security Architecture Design and Implementation: Design and implement security architectures that align with industry standards, regulations (JSPs, DEFSTAN), and client requirements. Conduct security architecture reviews, perform hands-on security assessments, including vulnerability scanning, configuration reviews, and security control validation, identifying vulnerabilities and implementing remediation strategies. Develop and present security architecture roadmaps and strategic plans and then put those plans into action. Engineer highly secure contained environments for cloud and on-premises solutions, with a focus on minimizing attack surfaces and preventing unauthorized access.
• Risk and Threat Management: Perform comprehensive risk assessments and threat modelling, providing detailed analysis and acting on recommendations. Advise clients on risk mitigation strategies and security best practices and lead the implementation of those strategies. Support security incident response and investigations, and apply lessons learned to improve future security.
• Stakeholder Engagement and Technical Leadership: Act as a trusted advisor to clients, providing expert guidance on highly secure architecture and risk management, and leading technical discussions. Engage with senior stakeholders, including the MOD's CSDA, Air PSyA, and CKEA, to influence security decisions and drive consensus on technical solutions. Deliver clear and concise presentations and reports to both technical and non-technical audiences and provide technical leadership to project teams.
• Security Policy and Standards Implementation: Advise on the development and implementation of security policies, standards, and procedures, and oversee their enforcement. Conduct security compliance assessments and audits, taking corrective action to address any gaps. Ensure alignment with relevant security frameworks and regulations, while proactively identifying and mitigating potential compliance issues.
• Technology Evaluation, Deployment, and Management: Evaluate and recommend security technologies and solutions to meet client needs and lead the deployment and integration of those technologies. Provide guidance on the implementation of security controls and best practices and manage the ongoing maintenance and optimization of those controls. Keep up to date with emerging threats and technology, and proactively research and evaluate new security solutions.

What experience you'll bring:

Qualifications & Experience:

• Education and Certifications: Degree in Computer Science, Information Security, or related field. Relevant industry certifications (CISSP, CISM, GIAC) are essential.
• Experience: Extensive experience in Enterprise Security Architecture within the Defence/Government or Aviation sectors. Proven track record of delivering successful security architecture projects from conception to completion. In-depth knowledge of relevant security standards, regulations (JSPs, DEFSTAN), and best practices. Hands on experience engineering Cloud security, and network security solutions. Experience with providing security advice to senior stakeholders and leading technical teams.
• Skills: Expert knowledge of security architecture principles and practices, and the ability to apply those principles in a practical setting. Strong analytical and problem-solving skills, and the ability to think creatively to develop innovative solutions. Excellent communication and presentation skills, and the ability to clearly articulate complex technical concepts to a variety of audiences. Ability to work independently and as part of a team, and the ability to lead and mentor junior team members. Strong stakeholder management and influencing skills, and the ability to build consensus and drive alignment on security initiatives.

The successful candidate must be a sole (not dual) UK national that is able to hold a minimum of UK SC clearance. Hybrid working options but must be willing to work on client site within UK locations.

Who we are:

We’re a business with a global reach that empowers local teams, and we undertake hugely exciting work that is genuinely changing the world. Our advanced portfolio of consulting, applications, business process, cloud, and infrastructure services will allow you to achieve great things by working with brilliant colleagues, and clients, on exciting projects.

Our inclusive work environment prioritises mutual respect, accountability, andcontinuous learning for all our people. This approach fosters collaboration, well-being,growth, and agility, leading to a more diverse, innovative, and competitiveorganisation. We are also proud to share that we have a range of Inclusion Networks such as: the Women’s Business Network,Cultural and Ethnicity Network, LGBTQ+ & Allies Network, Neurodiversity Network and the Parent Network.

For more information on Diversity, Equity and Inclusion please click here:Creating Inclusion Together at NTT DATA UK | NTT DATA

what we'll offer you:

We offer a range of tailored benefits that support your physical, emotional, and financial wellbeing. Our Learning and Development team ensure that there are continuous growth and development opportunities for our people. We also offer the opportunity to have flexible work options.

You can find more information about NTT DATA UK & Ireland here:https://uk.nttdata.com/

We are an equal opportunities employer. We believe in the fair treatment of all our employees and commit to promoting equity and diversity in our employment practices. We are also a proud Disability Confident Committed Employer - we arecommitted to creating a diverse and inclusive workforce. We actively collaborate with individuals who have disabilities and long-term health conditions which have an effect on their ability to do normal daily activities, ensuring that barriers are eliminated when it comes to employment opportunities. In line with our commitment, we guarantee an interview to applicants who declare to us, during the application process, that they have a disability and meet the minimum requirements for the role. If you require any reasonable adjustments during the recruitment process, please let us know.Join us in building a truly diverse and empowered team.

Back to search Email to a friend Apply now

Apply

Job Description

What you'll be doing:

Lead Security Architect Consultant- Defence & Aviation

NTT DATA is seeking a highly skilled and independent Senior Security Consultant (Architecture) to provide expert guidance and actively design and implement secure solutions within the Defence & Aviation sectors. This role requires a consultant with a proven ability to translate complex security requirements into robust architectural designs, influencing stakeholders and driving security best practices. This position involves working on high-impact projects that support national security and aviation operations.

Key Responsibilities:

Security Architecture Design and Implementation: Design and implement security architectures that align with industry standards, regulations (JSPs, DEFSTAN), and client requirements. Conduct security architecture reviews, perform hands-on security assessments, including vulnerability scanning, configuration reviews, and security control validation, identifying vulnerabilities and implementing remediation strategies. Develop and present security architecture roadmaps and strategic plans and then put those plans into action. Engineer highly secure contained environments for cloud and on-premises solutions, with a focus on minimizing attack surfaces and preventing unauthorized access.

Risk and Threat Management: Perform comprehensive risk assessments and threat modelling, providing detailed analysis and acting on recommendations. Advise clients on risk mitigation strategies and security best practices and lead the implementation of those strategies. Support security incident response and investigations, and apply lessons learned to improve future security.

Stakeholder Engagement and Technical Leadership: Act as a trusted advisor to clients, providing expert guidance on highly secure architecture and risk management, and leading technical discussions. Engage with senior stakeholders, including the MOD's CSDA, Air PSyA, and CKEA, to influence security decisions and drive consensus on technical solutions. Deliver clear and concise presentations and reports to both technical and non-technical audiences and provide technical leadership to project teams.

Security Policy and Standards Implementation: Advise on the development and implementation of security policies, standards, and procedures, and oversee their enforcement. Conduct security compliance assessments and audits, taking corrective action to address any gaps. Ensure alignment with relevant security frameworks and regulations, while proactively identifying and mitigating potential compliance issues.

Technology Evaluation, Deployment, and Management: Evaluate and recommend security technologies and solutions to meet client needs and lead the deployment and integration of those technologies. Provide guidance on the implementation of security controls and best practices and manage the ongoing maintenance and optimization of those controls. Keep up to date with emerging threats and technology, and proactively research and evaluate new security solutions.

What experience you'll bring:

Qualifications & Experience:

Education and Certifications: Degree in Computer Science, Information Security, or related field. Relevant industry certifications (CISSP, CISM, GIAC) are essential.

Experience: Extensive experience in Enterprise Security Architecture within the Defence/Government or Aviation sectors. Proven track record of delivering successful security architecture projects from conception to completion. In-depth knowledge of relevant security standards, regulations (JSPs, DEFSTAN), and best practices. Hands on experience engineering Cloud security, and network security solutions. Experience with providing security advice to senior stakeholders and leading technical teams.

Skills: Expert knowledge of security architecture principles and practices, and the ability to apply those principles in a practical setting. Strong analytical and problem-solving skills, and the ability to think creatively to develop innovative solutions. Excellent communication and presentation skills, and the ability to clearly articulate complex technical concepts to a variety of audiences. Ability to work independently and as part of a team, and the ability to lead and mentor junior team members. Strong stakeholder management and influencing skills, and the ability to build consensus and drive alignment on security initiatives.

The successful candidate must be a sole (not dual) UK national that is able to hold a minimum of UK SC clearance. Hybrid working options but must be willing to work on client site within UK locations.

Who we are:

We’re a business with a global reach that empowers local teams, and we undertake hugely exciting work that is genuinely changing the world. Our advanced portfolio of consulting, applications, business process, cloud, and infrastructure services will allow you to achieve great things by working with brilliant colleagues, and clients, on exciting projects.

Our inclusive work environment prioritises mutual respect, accountability, andcontinuous learning for all our people. This approach fosters collaboration, well-being,growth, and agility, leading to a more diverse, innovative, and competitiveorganisation. We are also proud to share that we have a range of Inclusion Networks such as: the Women’s Business Network,Cultural and Ethnicity Network, LGBTQ+ & Allies Network, Neurodiversity Network and the Parent Network.

For more information on Diversity, Equity and Inclusion please click here:Creating Inclusion Together at NTT DATA UK | NTT DATA

what we'll offer you:

We offer a range of tailored benefits that support your physical, emotional, and financial wellbeing. Our Learning and Development team ensure that there are continuous growth and development opportunities for our people. We also offer the opportunity to have flexible work options.

You can find more information about NTT DATA UK & Ireland here:https://uk.nttdata.com/

We are an equal opportunities employer. We believe in the fair treatment of all our employees and commit to promoting equity and diversity in our employment practices. We are also a proud Disability Confident Committed Employer - we arecommitted to creating a diverse and inclusive workforce. We actively collaborate with individuals who have disabilities and long-term health conditions which have an effect on their ability to do normal daily activities, ensuring that barriers are eliminated when it comes to employment opportunities. In line with our commitment, we guarantee an interview to applicants who declare to us, during the application process, that they have a disability and meet the minimum requirements for the role. If you require any reasonable adjustments during the recruitment process, please let us know.Join us in building a truly diverse and empowered team.

Back to search Email to a friend Apply now

Apply

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