Senior Cloud Security Architect RMF/NIST Expert

ThinkTek LLC; Arlington (VA); On-site; USD 150,000 - 185,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Paid time off

Leave options

Job summary

ThinkTek LLC is seeking a Senior Cloud Security Architect to serve as the senior technical authority for designing, engineering, and implementing secure cloud and enterprise security solutions in federal environments. The role blends systems engineering, cybersecurity, cloud architecture, and security automation to translate complex requirements into automated, operational code.

The ideal candidate has deep experience across enterprise and cloud security, with strong RMF/NIST/DISA/STIGs

Qualifications

• Active SECRET clearance.
• Bachelor's degree from an accredited institution in Information Technology, Computer Science, Engineering, or a related technical discipline.
• 12 years of demonstrated experience in systems engineering and cybersecurity, with at least 7 years focused on security automation, cloud engineering, and architecture.
• 5 years of demonstrated experience serving as a lead technical authority on enterprise-level projects, responsible for designing and implementing security solutions.
• 5 years of demonstrated experience translating complex regulatory requirements and architectural diagrams into functional automated and operational code.
• Experience with RMF, NIST, DISA, STIGs in federal cybersecurity and security compliance requirements.

Responsibilities

• Serve as a lead technical authority for enterprise-level cybersecurity, cloud engineering, and security architecture initiatives.
• Design, architect, and implement secure cloud and enterprise infrastructure solutions supporting mission-critical federal environments.
• Develop and implement security solutions rather than solely assessing or documenting existing environments.
• Lead security automation initiatives across cloud and enterprise systems to improve security, compliance, monitoring, and operational efficiency.
• Translate regulatory and security requirements into functional, automated, and operational solutions.
• Interpret and apply RMF, NIST, DISA, and STIGs requirements.
• Translate complex regulatory requirements and architectural diagrams into executable technical solutions and automated code.
• Develop, integrate, and maintain security automation capabilities across cloud and enterprise environments.
• Provide technical leadership for cloud security engineering, architecture, and infrastructure modernization efforts.
• Collaborate with systems engineers, developers, cybersecurity professionals, cloud architects, and government stakeholders to design secure and scalable solutions.
• Evaluate existing architectures and identify opportunities to improve security, automation, resiliency, and operational effectiveness.
• Ensure cloud and enterprise solutions align with federal security requirements, architecture standards, and organizational objectives.
• Provide technical guidance and mentorship to engineering and cybersecurity personnel.
• Support technical documentation, architecture development, design reviews, and implementation activities as required.

Skills

Cloud security architecture

Security automation

RMF/NIST/DISA/STIGs knowledge

Leadership/technical authority

Federal government systems knowledge

Education

Bachelor's degree in IT/CS/Engineering

Job description

ThinkTek LLC is seeking a Senior Cloud Security Architect to serve as the senior technical authority for designing, engineering, and implementing secure cloud and enterprise security solutions in federal environments. The role blends systems engineering, cybersecurity, cloud architecture, and security automation to translate complex requirements into automated, operational code.

The ideal candidate has deep experience across enterprise and cloud security, with strong RMF/NIST/DISA/STIGs