Lead ISSE: Cloud Security & Automation Architect

onezerollc; Arlington (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

OneZero Solutions, LLC is seeking a Subject Matter Expert III - Information Systems Security Engineer to lead as the technical authority for designing, building, and sustaining a layered security automation architecture in AWS. The role translates DoW requirements into automated, operational code and supports dashboards and API-based metrics for compliance.

The candidate will provide expert guidance on RMF, NIST, and DISA STIGs, manage secure IaC templates, and collaborate with government

Qualifications

• Bachelor's degree in IT, CS, Engineering, or related technical discipline.
• Certifications: AWS DevOps Engineer Professional, AWS Solutions Architect Professional, AWS Certified Security – Specialty, or CISSP (ISSEP/ISSAP preferred).
• Twelve (12) years of demonstrated experience in systems engineering and cybersecurity, with seven (7) years in security automation, cloud engineering, and architecture.
• Five (5) years leading as a technical authority on enterprise projects, designing and implementing security solutions.
• Five (5) years translating RMF, NIST, DISA STIGs into automated, operational code.
• Active Secret clearance; U.S. citizenship required.

Responsibilities

• Lead Information Systems Security Engineer (ISSE) for cybersecurity designs across systems and networks.
• Design, build, and maintain the layered security automation architecture.
• Develop and maintain Infrastructure-as-Code templates for provisioning.
• Implement AWS Systems Manager for secure configurations.
• Translate DoD requirements into automated compliance checks (Policy-as-Code).
• Deliver orchestration to coordinate multi-step security workflows.
• Develop and manage the Compliance-as-Code framework.
• Integrate AWS-native security services for continuous monitoring.
• Develop dashboards and RESTful APIs exposing compliance metrics.

Skills

AWS engineering

Systems Manager

Security automation

Policy-as-Code

RMF & NIST

DISA STIGs

Power BI dashboards

RESTful APIs

Cloud security

Education

Bachelor's degree in IT/CS/Engineering

AWS DevOps Engineer – Professional

AWS Solutions Architect – Professional

AWS Certified Security – Specialty

CISSP / ISSEP / ISSAP

Tools

None

Job description

OneZero Solutions, LLC is seeking a Subject Matter Expert III - Information Systems Security Engineer to lead as the technical authority for designing, building, and sustaining a layered security automation architecture in AWS. The role translates DoW requirements into automated, operational code and supports dashboards and API-based metrics for compliance.

The candidate will provide expert guidance on RMF, NIST, and DISA STIGs, manage secure IaC templates, and collaborate with government