Senior Information Security Architect

Idexcel; Reston (VA); Hybrid; USD 150,000 - 230,000; Full time

Job summary

Idexcel in Reston, VA offers a Senior Information Security Architect role on a hybrid schedule. You will shape security architecture for cloud and on‑premise systems, focusing on threat modeling, CI/CD pipeline security, data protection, IAM, and compliance with NIST, OWASP, and CIS benchmarks.

The role requires deep AWS expertise, IAC security, threat modeling, and translating threats into architectural controls, with Terraform Sentinel and DevSecOps emphasis.

Qualifications

• Public Cloud: AWS Experience and deep AWS architecture knowledge.
• Information Security Architecture and IAC Security: security patterns, threat modeling, API security, DevSecOps, IaC controls.
• Threat Modeling: STRIDE, data-flow, trust boundaries, threat translation into controls.

Skills

AWS Experience

Security Architecture

Threat Modeling

Job description

Role: Senior Information Security Architect

Location: Reston, VA/Hybrid

Duration: Long term

Hiring for a Senior Information Security Architect position primarily focusing on Security Architecture , CI/CD Pipeline Security and Threat Modeling.

This position requires deep expertise in Information Security principles including Business Security Architecture, Threat Modelling, Data Security (data encryption, masking, tokenization, data access controls), AI, Agentic AI, Identity and access management, AWS Cloud and Systems architecture.

This individual must be able to architect and Threat Model complex applications to ensure the security and compliance of the cloud environments based on enterprise cloud security policies, standards, procedures and industry best practices and frameworks (NIST, OWASP, STRIDE) .

The candidate must have experience defining Security controls in pipelines ( Terraform Sentinel ) using CIS benchmarks, NIST framework and other security best practices

Must Have

• 1 Public Cloud: AWS Experience

  Deep Expertise and proven Track record in AWS Architecture and AWS Services (Compute, IAM, RDS, Resource Policies, Network, Messaging, Data Storage, CI/CD, AI/ML, ETL, Serverless, ECS/EKS). Experience with AWS security pillars, best practices and well designed architecture. Experience in AI/ML is preferable.

• 2 Information Security Architecture and IAC Security:

  Key experience: Application security, Threat Modelling, API Security, DevSecOps, Pipeline security, Infrastructure security, AuthN/Z, Encryption, Key Management, Data discovery and encryption, SIEM, CSPM, CWPP, Access Controls, Container Security

  Industry security standards and frameworks (OWASP, NIST CIS, FED Ramp, ISO, SOX etc.).

  Experience designing Architectures based on Security Standards and threat model the designs to identify issues and design mitigating controls.

  Develop and maintain security architecture patterns, reference architectures, design principles, and security standards aligned with enterprise security requirements.

  Define security controls for CI/CD pipelines, Infrastructure as Code (IaC), and DevSecOps processes.

  Design and implement policy-as-code controls using technologies such as Terraform Sentinel and related cloud governance and security tooling.

  Establish automated controls based on CIS Benchmarks, NIST frameworks, OWASP guidance, and enterprise security standards.

• 3. Threat Modeling:

  Experience Threat Modeling using industry frameworks and experience evaluating security controls for AI aplications and Platforms

  Deep expertise in STRIDE, attack trees, abuse/misuse cases, data-flow and trust-boundary analysis.

  Experience threat modeling complex applications, APIs, cloud, SaaS, and distributed architectures.

  Strong expertise in Application/API Security, IAM/AuthN/AuthZ, Data Security, Encryption/Key Management, DevSecOps, Container Security, and Cloud Security.

  Experience translating identified threats into architectural security controls.

Nice to Have

• AWS advanced Certification (Professional, Specialty)
• Certified Information Systems Security Professional (CISSP)
• Certified Cloud Security Professional (CCSP) or equivalent