AWS Cloud Security Architect

2 days ago

Toronto, Ontario, Canada Tekflux Full time $120,000 - $200,000 per year

Senior AWS Cloud Security Architect

The Senior AWS Cloud Security Architect is responsible for designing, implementing, and governing secure, compliant, and resilient AWS environments across multi-account cloud infrastructures.

You will lead the architecture and automation of identity, data protection, threat detection, and network segmentation controls across the AWS ecosystem.

Key Responsibilities:

* Design and implement secure landing zones using AWS Control Tower, AWS Organizations, and Service Control Policies (SCPs).

* Define multi-account security guardrails for shared services, workloads, and sandbox environments.

* Create reference architectures covering security zones, network segmentation, and cross-account communication (PrivateLink, AWS WAN).

* Lead threat modelling and risk assessments for new workloads and services (Lambda, ECS, EC2, S3, RDS, DynamoDB, etc.).

* Develop security-by-design templates integrated into Infrastructure as Code (IaC) pipelines.

* Partner with compliance teams to maintain continuous alignment with CIS Benchmarks and organizational risk frameworks.

* Implement federated access and single sign-on with AWS IAM Identity Center (AWS SSO), Okta, and Azure AD.

* Manage cross-account roles, STS trust policies, and temporary credentials for developers and third parties.

* Automate secret and credential rotation with AWS Secrets Manager and AWS Systems Manager Parameter Store.

* Enforce encryption at rest using AWS KMS, CloudHSM, and envelope encryption patterns.

* Ensure encryption in transit (TLS 1.2/1.3) across internal and public endpoints.

* Manage key rotation, cross-region replication, and HSM-based root of trust.

* Implement S3 Object Lock, Macie for data discovery and classification, and Access Points for fine-grained data access.

* Implement PrivateLink, AWS WAN, and Route 53 Resolver endpoints for service-to-service isolation.

* Configure Web Application Firewall (WAF) and AWS Shield Advanced for DDoS mitigation.

* Enforce egress control through Cloud NAT, AWS Gateway Load Balancer (GWLB), or custom proxies.

* Deploy and integrate AWS Security Hub, GuardDuty, Macie, and Inspector for proactive threat detection.

* Configure Amazon Detective for forensic investigation and anomaly correlation.

* Integrate findings into SIEM/SOAR platforms such as FortiSOAR, or Azure Sentinel.

* Automate response playbooks with AWS Step Functions, Lambda, and SNS alerts.

* Implement AWS Config rules and Conformance Packs to enforce compliance (e.g., CIS AWS Foundations Benchmark).

* Use AWS Artifact for vendor assurance and control documentation.

* Manage compliance dashboards via Security Hub, Trusted Advisor, and Control Tower drift detection.

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