AWS Security Architect

UBDS Group; Greater London; On-site; GBP 100,000 - 125,000; Full time

Job summary

A leading technology firm in Greater London is seeking a Security Cleared AWS Security Architect to manage the design and implementation of secure cloud solutions. This vital role will involve leading threat modelling, developing security frameworks, and ensuring compliance with various regulations such as ISO 27001. The ideal candidate will have extensive experience in AWS security and a strong understanding of security best practices and tools. Join a company committed to innovation and professional growth and help drive impactful technological solutions.

Benefits

Training and development options

Private medical cover

Discretionary bonus

25 days holiday plus additional days

Electric Vehicle leasing

Contributed Pension Scheme

Death in service cover

Qualifications

• Active SC (Security Check) Clearance is essential.
• Proven track record of architecting secure AWS environments.
• Deep understanding of AWS security services and best practices.
• Expertise in IAM, encryption, and network security.

Responsibilities

• Design and maintain secure architectures across AWS deployments.
• Lead threat modelling sessions and architecture-level security reviews.
• Define, implement, and enforce security policies for AWS.
• Conduct periodic architecture reviews and security assessments.

Skills

AWS security expertise

Threat modelling

Compliance alignment

Technical team guidance

Education

AWS Certified Security – Specialty

AWS Certified Solutions Architect (Professional or Associate)

Tools

GuardDuty

Security Hub

AWS Inspector

Terraform

AWS CloudFormation

Job description

Rayo, a UBDS Group company, is seeking a Security Cleared AWS Security Architect to lead the design and implementation of secure cloud solutions. This role is pivotal in ensuring that robust security practices are embedded into every stage of the cloud architecture lifecycle. The successful candidate will have demonstrable expertise in AWS security, threat modelling, compliance alignment, and guiding technical teams to deliver secure and scalable cloud environments.

Key Responsibilities

• Design and maintain secure architectures across new and existing AWS deployments.
• Develop and evolve cloud security reference architectures and frameworks.
• Lead threat modelling sessions, risk assessments, and architecture-level security reviews.
• Define, implement, and enforce security policies, standards, and architectural guardrails for AWS environments.
• Work closely with solution architects, DevOps, and platform engineering teams to embed security controls into CI/CD pipelines.
• Oversee Identity and Access Management (IAM) strategies, ensuring principles of least privilege and segregation of duties.
• Assess, implement, and optimise AWS-native and third-party security tools (e.g., GuardDuty, Security Hub, AWS Inspector).
• Ensure ongoing compliance with relevant frameworks and regulations, including ISO 27001, PCI DSS, and the UK GDPR.
• Conduct periodic architecture reviews and security assessments to identify gaps and recommend enhancements.
• Support incident response activities and lead post-incident reviews to strengthen cloud resilience.
• Remain abreast of emerging cloud threats, AWS security service advancements, and industry best practices.

Qualifications

• Active SC (Security Check) Clearance is essential.
• Proven track record of architecting secure AWS environments in complex, regulated settings.
• Deep understanding of AWS security services and architectural best practices.
• Expertise in IAM, encryption, network security, and secure cloud design.
• Strong familiarity with security standards and frameworks such as NIST, CIS Benchmarks, and the Cloud Security Alliance (CSA).
• Certifications such as AWS Certified Security – Specialty, AWS Certified Solutions Architect (Professional or Associate), or equivalent.
• Excellent stakeholder engagement, documentation, and communication skills.

Desirable Attributes

• Experience developing multi-cloud security strategies.
• Familiarity with securing Infrastructure as Code (e.g., Terraform, AWS CloudFormation).
• Demonstrated ability to mentor technical teams on cloud security principles.
• Contribution to security communities or open-source security projects.

Why people choose to grow their careers at UBDS Group

Professionals choose to grow their careers at UBDS Group for its reputation as a dynamic and forward-thinking organisation that is deeply committed to both innovation and employee development. At UBDS Group, employees are given unique opportunities to work on cutting‑edge projects across a diverse range of industries, exposing them to new challenges and learning opportunities that are pivotal for professional growth. The Group’s culture emphasises continuous improvement, offering ample training programmes, mentorship, and the chance to gain certifications that enhance their skills and marketability.

UBDS Group fosters a collaborative environment where creativity and innovation are encouraged, allowing employees to contribute ideas and solutions that have a tangible impact on the company and its clients. This combination of professional development, a culture of innovation, and the opportunity to make meaningful contributions makes UBDS Group an attractive place for those looking to advance their careers and be at the forefront of technological and operational excellence.

Employee Benefits

• Training – All team members are offered a number of options in terms of personal development, whether it is technical led, business acumen or methodologies. We want you to grow with us and to help us achieve more
• Private medical cover for you and your spouse/partner, offered via Vitality
• Discretionary bonus based on a blend of personal and company performance
• Holiday – You will receive 25 Days holiday, plus 1 day for Birthday and 1 day for your work anniversary in addition to UK bank holidays
• Electric Vehicle leasing with salary sacrifice
• Contributed Pension Scheme
• Death in service cover

About UBDS Group

At UBDS Group our mission is to support entrepreneurs who are setting new standards with technology solutions across cloud services, cybersecurity, data and AI, ensuring that every investment advances our commitment to innovation, making a difference, and creating impactful solutions for organisations and society.

Equal Opportunities

We are an equal opportunities employer and do not discriminate on the grounds of gender, sexual orientation, marital or civil partner status, pregnancy or maternity, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age.