Senior Security Architect - Enterprise & Cloud (Remote)

Peraton; Arlington (TX); Remote; USD 140,000 - 190,000; Full time

Job summary

Peraton is seeking a Security Architect to design, develop, and govern enterprise security architectures across information systems, applications, infrastructure, and cloud environments. The role establishes security principles, reference designs, technical standards, and implementation patterns aligned with risk tolerance and federal requirements.

The position requires a strong background in security architecture, threat modeling, and governance.

Qualifications

• U.S. Citizen with the ability to obtain and maintain the required Public Trust level clearance.
• Bachelor’s degree + relevant experience as listed in the job description.
• Certifications such as CISSP, CISM, CASP, CCISO, Security+, or CAP.
• Experience designing security architectures for complex enterprise, cloud, hybrid, or federal information systems.
• Strong understanding of security architecture principles, threat modeling, and defense-in-depth.
• Experience with NIST SP 800-53 and other federal/industry standards.

Responsibilities

• Develop and maintain enterprise security architecture principles, reference architectures, technical standards, and security design patterns.
• Translate business, mission, and regulatory requirements into secure architectural solutions across applications, infrastructure, networks, endpoints, and cloud environments.
• Conduct security architecture reviews and threat modeling to identify design weaknesses, architectural risks, and opportunities to strengthen security controls.
• Define security requirements for new systems, technology integrations, modernization initiatives, and enterprise platforms.
• Evaluate emerging technologies and provide architecture recommendations that balance security, scalability, performance, cost, and operational requirements.
• Establish architecture governance processes and ensure security considerations are incorporated throughout the system development lifecycle.
• Provide technical architecture guidance to security engineering, DevSecOps, cloud platform, infrastructure, and application teams.
• Define security architecture requirements for secure software development, CI/CD pipelines, infrastructure as code, and automated policy enforcement.
• Establish secure integration patterns for security monitoring, incident response, vulnerability management, and threat detection capabilities.
• Review technical designs, solution proposals, and implementation plans to validate alignment with security architecture standards.
• Support the selection and integration of security technologies based on technical requirements, threat models, and organizational needs.

Skills

Security architecture

Threat modeling

Defense-in-depth

Identity security

Encryption

Network security

NIST SP 800-53

Security frameworks

Architecture governance

Cloud security

Education

Bachelor's degree in Cybersecurity

Job description

Peraton is seeking a Security Architect to design, develop, and govern enterprise security architectures across information systems, applications, infrastructure, and cloud environments. The role establishes security principles, reference designs, technical standards, and implementation patterns aligned with risk tolerance and federal requirements.

The position requires a strong background in security architecture, threat modeling, and governance.