Senior Cloud Security Architect (TS/SCI)

Guidehouse Inc.; Springfield (VA); Sur place; USD 130 000 - 190 000; Plein temps

Avantages offerts par ce poste

Medical Insurance

Sick Time & Holidays

Discretionary bonus

Parental Leave

401(k)

Life Insurance

Health Savings Account

Disability Insurance

Student Loan PayDown

Tuition Reimbursement

Learning Opportunities

Certifications & Skills Development

Employee Referral Program

Community Outreach

Résumé du poste

Guidehouse Inc. is seeking highly skilled cybersecurity consultants to design and secure cloud architectures across AWS, Azure, and hybrid environments.

The role requires an active TS/SCI clearance and experience in cloud risk assessments, RMF, and SIEM deployments. You will lead cross-functional teams, implement NIST controls, and guide DevSecOps practices while delivering engineering artifacts and architecture diagrams.

Qualifications

• Bachelor's degree from an accredited university.
• Minimum of five years of work experience in cybersecurity or secure systems engineering, including cloud architecture.
• Active TS/SCI clearance with CI polyFED or FS/FSP polygraph.
• US Citizenship is contractually required.
• Strong understanding of security frameworks and compliance standards (NIST RMF SP 800-53 Rev 5, DoD 8570).
• Proven experience with enterprise security tools such as SIEM (Splunk), vulnerability scanners (Nessus), and endpoint protection (CrowdStrike).

Responsabilités

• Lead design and engineering of secure cloud architectures across AWS, Azure, and hybrid environments.
• Implement and validate NIST 800-53 security controls and cloud-native security services (IAM, encryption, segmentation, logging).
• Conduct cloud threat modeling, risk assessments, and architecture reviews.
• Oversee cloud configuration baselines using STIGs, CIS Benchmarks, and SCAP.
• Drive cloud vulnerability and compliance efforts using ACAS/Nessus and cloud-security posture tools.
• Support RMF engineering activities including boundary definition, inheritance documentation, and authorization packages.
• Integrate cloud-security capabilities such as Sentinel, Splunk, and SIEM logging pipelines.
• Guide DevSecOps teams on secure CI/CD, container security, and infrastructure-as-code validation.
• Produce cloud architecture diagrams, design documentation, and engineering artifacts.
• Mentor junior and mid-level ISSEs and act as a technical escalation point for cloud engineering issues.

Connaissances

Cloud Architecture

NIST RMF

Cloud Security

SIEM (Splunk)

Nessus

CI/CD Security

Leadership

US Citizenship

Communication

Formation

Bachelor's degree

Master's degree (advantage)

Outils

Splunk

Nessus

CrowdStrike

Terraform

CI/CD tooling

Description du poste

Guidehouse Inc. is seeking highly skilled cybersecurity consultants to design and secure cloud architectures across AWS, Azure, and hybrid environments.

The role requires an active TS/SCI clearance and experience in cloud risk assessments, RMF, and SIEM deployments. You will lead cross-functional teams, implement NIST controls, and guide DevSecOps practices while delivering engineering artifacts and architecture diagrams.