Senior Cloud Security Architect – Remote (AWS)

Idexcel; Washington (District of Columbia); Hybrid; USD 170,000 - 230,000; Full time

Job summary

Idexcel in Washington, DC / Remote is seeking a Senior Cloud Security Architect to design and implement secure, scalable AWS-based cloud architectures. The role requires deep AWS expertise with some Azure, strong governance, and experience delivering enterprise standards and reference architectures.

You will lead security reviews, build landing zones, IAM, network security, DevSecOps integration, and mentor engineers in a regulated environment.

Qualifications

• At least 7 years IT experience across architecture, infra, OS, databases, networks and cloud.
• Minimum 5+ years hands-on cloud infrastructure and applications.
• Expert in AWS security services and landing zones; experience with multi-account strategies.
• Design secure cloud architectures and governance frameworks.
• Lead security architecture reviews and threat modeling for cloud infra.
• Drive IaC automation with Terraform/CloudFormation; implement least-privilege IAM.
• Support regulatory compliance (NIST, CIS, SOC 2, ISO 27001, PCI, HIPAA as applicable).
• Mentor engineers; partner with dev, infra, and security teams for DevSecOps.
• Strong communication and ability to interact with CTOs and ARB.

Responsibilities

• Architect security for cloud infrastructure and applications.
• Develop AWS landing zones, multi-account strategies, and security baselines.
• Define cloud security standards and governance frameworks.
• Lead cloud security architecture reviews for infrastructure and apps.
• Implement IAM, network controls, VPC design, segmentation, and WAF configurations.
• Lead cloud threat modeling, risk assessments, and security reviews.
• Automate security with Infrastructure as Code (Terraform, CloudFormation).
• Oversee vulnerability management and cloud posture remediation.
• Mentor junior cloud security engineers and collaborate with DevSecOps teams.
• Ensure regulatory compliance initiatives and security alignment with stakeholders.

Skills

AWS expertise

Azure familiarity

Networking

Identity management

Infrastructure as Code

Governance & standards

Executive stakeholder influence

Executive communication

Cloud security architecture

Security tooling & cloud security

Tools

Terraform

CloudFormation

AWS IAM

KMS / Secrets Manager

Security Hub / GuardDuty

VPC / Networking

CI/CD tooling

Microsoft Sentinel

Job description

Idexcel in Washington, DC / Remote is seeking a Senior Cloud Security Architect to design and implement secure, scalable AWS-based cloud architectures. The role requires deep AWS expertise with some Azure, strong governance, and experience delivering enterprise standards and reference architectures.

You will lead security reviews, build landing zones, IAM, network security, DevSecOps integration, and mentor engineers in a regulated environment.