Security Architect

Security Architect

Posted 2 days ago by 1770274623

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£820 Per day
Inside
Hybrid
Croydon
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Amazon Web Services (AWS) Application Programming Interface (API) Application Security Architectural Patterns Authentications Authorisation (Computing) AWS Identity And Access Management (IAM) Certified Cloud Security Professional (CCSP) Cloud Computing Cloud Technology Data Encryption Data Protection Strategy Embedding Encryption Google Cloud Platform (GCP) Identity And Access Management Key Management Management Microsoft Azure Network Security Security Clearance Threat Modeling Togaf

Summary: The Security Architect role involves designing and implementing secure architectures across various platforms and applications, with a focus on cloud-based solutions. The position requires active SC Clearance due to the sensitive nature of the work and mandates collaboration with engineering and delivery teams to ensure security is embedded throughout the lifecycle. The role is hybrid, requiring one day per week on-site in Croydon, and is available only through an umbrella company. This position is for a duration of 12 months.

Key Responsibilities:

  • Design and implement secure architectures across applications, platforms, and infrastructure
  • Define and apply security architecture patterns, including Zero Trust and defence-in-depth strategies
  • Lead security design for cloud-based solutions (AWS, Azure, and/or GCP)
  • Architect and govern identity and access management (IAM), including authentication, authorisation, and privileged access
  • Design secure network architectures covering encryption, key management, and secure connectivity
  • Embed application security principles, including secure APIs, data protection, and threat modelling
  • Ensure systems are designed for security resilience, availability, and risk mitigation
  • Collaborate with engineering, platform, and delivery teams to embed security across the lifecycle

Key Skills:

  • Proven experience working as a Security Architect in complex environments
  • Strong expertise in secure architecture design across enterprise systems
  • Solid understanding of Zero Trust, defence-in-depth, and modern security patterns
  • Hands-on experience designing security for cloud platforms (AWS, Azure, and/or GCP)
  • Deep knowledge of IAM, authentication, authorisation, and privileged access management
  • Strong background in network security, encryption, and key management
  • Experience with application security, including threat modelling and secure data flows
  • Ability to design systems with security resilience built in
  • Active SC Clearance

Salary (Rate): £820.00 per day

City: Croydon

Country: United Kingdom

Working Arrangements: hybrid

IR35 Status: inside IR35

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Security Architect

Duration: 12 months

Location: Hybrid / 1 day PW on-site in Croydon

Umbrella Only

Due to the urgency and sensitivity of the work, active SC Clearance is mandatory.

Responsibilities

As a Security Architect, you will:

  • Design and implement secure architectures across applications, platforms, and infrastructure

  • Define and apply security architecture patterns, including Zero Trust and defence-in-depth strategies

  • Lead security design for cloud-based solutions (AWS, Azure, and/or GCP)

  • Architect and govern identity and access management (IAM), including authentication, authorisation, and privileged access

  • Design secure network architectures covering encryption, key management, and secure connectivity

  • Embed application security principles, including secure APIs, data protection, and threat modelling

  • Ensure systems are designed for security resilience, availability, and risk mitigation

  • Collaborate with engineering, platform, and delivery teams to embed security across the lifecycle

Must-Have Skills & Experience

  • Proven experience working as a Security Architect in complex environments

  • Strong expertise in secure architecture design across enterprise systems

  • Solid understanding of Zero Trust, defence-in-depth, and modern security patterns

  • Hands-on experience designing security for cloud platforms (AWS, Azure, and/or GCP)

  • Deep knowledge of IAM, authentication, authorisation, and privileged access management

  • Strong background in network security, encryption, and key management

  • Experience with application security, including threat modelling and secure data flows

  • Ability to design systems with security resilience built in

  • Active SC Clearance

Nice-to-Have Skills

  • Hands-on experience with cloud security tooling (e.g. AWS Security Hub, Azure Defender, Sentinel)

  • Experience securing containers and Kubernetes (image scanning, runtime protection, policy enforcement)

  • Exposure to regulated or highly secure enterprise environments

  • Security or architecture certifications such as CISSP, CCSP, TOGAF, AWS/Azure Security Specialty

  • Familiarity with SIEM, security monitoring, logging, and observability tools

  • Experience embedding security controls into DevOps and SRE practices

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