Cloud Engineer Security Clearance

Position: Cloud Engineer with Security Clearance
Job Title:

Cloud Engineer

Location:

On-site Herndon, VA

Clearance Required:

TS/SCI with Full Scope Polygraph Company:
Quantum Science Solutions (QSS) Rate:
Open

Position Overview Quantum Science Solutions (QSS) is seeking a Cloud Engineer to support secure cloud architecture, system authorization, and compliance operations for a U.S. Government customer. The selected candidate will contribute to enterprise cloud security initiatives, participate in architecture reviews, and ensure mission-critical services remain secure and compliant across leading commercial cloud platforms. This is a hands-on technical role requiring expertise in cloud technologies, federal risk management frameworks, and secure systems engineering.

Key Responsibilities
• Facilitate Technical Exchange Meetings (TEMs) with cloud service providers to evaluate
cloud service architectures and integration strategies.

• Support the design, implementation, and security assessment of cloud-based systems
across AWS, Azure, Oracle Cloud, IBM Cloud, and Google Cloud environments.

• Maintain and manage Assessment & Authorization (A&A) packages in alignment with NIST
800-53, FIPS 199, CNSS 1253, and Sponsor-specific guidance.

• Analyze scan results using tools such as Nessus, Rapid7, and Qualys; assess
vulnerabilities and develop risk mitigation strategies.

• Support continuous monitoring activities and implement controls aligned with evolving
mission requirements.

• Track compliance activities using tools such as Xacta 360, RSA Archer, or Risk Vision.

• Lead and support Security Control Assessments (SCAs), prepare documentation, and
collaborate with independent assessors.

• Apply common control provider models and integrate reusable security controls within
cloud environments.

• Consult with development and project teams on secure system architecture and
operational posture.

• Develop and manage POA&Ms to address security findings and maintain system accreditation.
• Contribute to standard operating procedures to ensure consistency and alignment with program objectives.
• Collaborate with internal security peers and leadership to evaluate cloud infrastructure and provide remediation recommendations.
• Review body-of-evidence documentation for completeness, accuracy, and relevance in a cloud security context.
• Provide strategic input to Sponsor leadership on cloud service evaluation and security planning.
• Analyze alerts to identify system security issues and recommend corrective actions. Mandatory Skills & Experience
• Demonstrated experience working with the Sponsor’s or element’s A&A process.
• Proven success facilitating secure architecture reviews with CSPs and evaluating cloud security postures.
• Strong knowledge of NIST RMF, including POA&M creation, continuous monitoring, and common control frameworks.
• Experience with multiple commercial cloud platforms including AWS, Azure, GCP, Oracle Cloud, and IBM Cloud.
• Proficiency using vulnerability scanning and compliance tools (Nessus, Rapid7, Qualys, Xacta 360, RSA Archer).
• Experience working with cross-domain technologies and secure architecture designs.
• Ability to collaborate effectively with SCAs and prepare comprehensive security packages.
• Strong understanding of information security controls, risk assessments, and A&A documentation.
• Ability to advise teams on system engineering and security requirements in a classified environment. Education Requirement
• Bachelor’s degree in Cybersecurity, Information Systems, Computer Science, or a related technical field.
• Equivalent experience may be substituted for a degree on a year-for-year basis. Preferred Skills
• Direct experience using Xacta 360 in support of cloud A&A activities.

• Experience with cloud security policies and control inheritance.

• Familiarity with security engineering and risk analysis in hybrid and multi-cloud
environments.

• Strong stakeholder communication skills, with the ability to brief leadership on technical
and policy-level issues.

• Experience analyzing body-of-evidence (BoE) documentation and identifying
documentation gaps. Preferred Certifications
• Certified Information Systems Security Professional (CISSP)

• Certified Information Security Manager (CISM)

• Security+

• Certified Cloud Security Professional (CCSP)

• AWS Certified Security – Specialty (or equivalent from another CSP) Why Join QSS? At Quantum Science Solutions (QSS), we deliver secure, scalable, and mission-aligned technology solutions to support national security objectives. Our cloud and cybersecurity professionals thrive in high-impact environments where innovation and integrity matter. Join us and help shape the future of secure cloud services within the U.S. Intelligence Community.

Employee Benefits
• Competitive Compensation & Performance Bonuses

• Premium Medical, Dental & Vision Insurance

• Generous Paid Time Off (PTO) and Federal Holidays

• 401(k) with Company Matching