AWS Security & Cloud Architect

Third Nexus Group Limited; Greater London; On-site; GBP 50,000 - 83,000; Full time

Job summary

Third Nexus Group Limited is seeking an experienced AWS Security & Cloud Architect to lead a large-scale Defensive AI and Bot Mitigation PoV for a high-volume enterprise platform.

The role requires deep expertise in AWS networking, CloudFront, WAF, security automation, observability, log analytics, and IaC-driven delivery practices. London-based, 6 month contract+.

Qualifications

• Experience in AWS security and cloud engineering for large enterprise platforms.
• Strong knowledge of AWS networking, CloudFront, WAF and security automation.
• Proficiency with IaC and cloud-native delivery practices.

Responsibilities

• Lead technical execution of a Defensive AI and Bot Mitigation PoV on a high-volume platform.
• Design, build, and deploy cloud-native security controls and observability solutions on AWS.
• Develop traffic analytics, automation frameworks, and AI-assisted operations.
• Leverage AWS services and IaC to deliver scalable security features.
• Apply deep expertise in AWS networking, WAF, and log analytics to drive security outcomes.

Skills

AWS WAF

Amazon CloudFront

AWS Shield Advanced

Amazon Athena

Amazon S3

Amazon CloudWatch

Amazon Kinesis Firehose

AWS Lambda

API Security

Cost Optimisation

AWS CDK

CloudFormation

Terraform

CI/CD Pipelines

Web Application Security

Bot Management

DDoS Protection

SQL / Athena Query Development

Log Analytics

Threat Detection

Data Visualisation

KPI and Operational Reporting

Job description

AWS Security & Cloud Architect

London

6 month contract+

Up to £450pd OUTSIDE IR35

We are seeking an experienced AWS Security & Cloud Platform Consultant to lead the technical execution of a large-scale Defensive AI and Bot Mitigation Proof of Value for a high-volume enterprise digital platform. The consultant will design, build, and deploy cloud-native security controls, observability solutions, traffic analytics, automation frameworks, and AI-assisted operational capabilities using AWS services and Infrastructure as Code.

The role requires deep expertise in AWS networking, CloudFront, WAF, security automation, observability, large-scale log analytics, and cloud-native delivery practices.

Required Skills

AWS Expertise

• AWS WAF
• Amazon CloudFront
• AWS Shield Advanced
• Amazon Athena
• Amazon S3
• Amazon CloudWatch
• Amazon Kinesis Firehose
• AWS Lambda
• API Security
• Cost Optimisation

Cloud Engineering

• AWS CDK
• CloudFormation
• Terraform
• CI/CD Pipelines

Security & Networking

• Web Application Security
• Bot Management
• API Security
• DDoS Protection

Data & Analytics

• SQL / Athena Query Development
• Log Analytics
• Threat Detection
• Data Visualisation
• KPI and Operational Reporting

Preferred Qualifications

• AWS Certified Security Specialty
• AWS Certified Solutions Architect Professional
• AWS Advanced Networking Certification
• Experience delivering security transformation initiatives on AWS.
• Experience working in regulated, enterprise-scale environments.
• Familiarity with AI-driven operations (AIOps), security analytics, and autonomous remediation frameworks