Senior InfoSec Engineer: RMF & Secure Cloud Architect

Ddc Dine; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical, dental, vision

Life and disability coverage

Retirement with company match

Paid time off

Tuition reimbursement

Job summary

Diné Development Corporation (DDC) is seeking a Senior Information Systems Security Engineer to bridge systems engineering and cybersecurity across IT, cloud, and defense domains. You will design and enforce secure IA architectures and lead RMF/ATO activities from planning through assessment.

Responsibilities include implementing security baselines, conducting vulnerability assessments, advising program managers, and shaping continuous monitoring and compliance programs across complex

Qualifications

• Bachelor’s or Master’s degree in a STEM field (Computer Science, Cybersecurity, Systems Engineering, Information Technology, or related discipline).
• 10+ years of direct experience in systems engineering and information security operations.
• Deep understanding of NIST SP 800-37 / 800-53, FIPS 199/200, and federal ICD 503 standards.

Responsibilities

• Secure Architecture Design: Engineer and integrate secure IA architectures, system components, networks, and Cross Domain Solutions (CDS).
• RMF Execution: Lead systems through the NIST RMF process to achieve and maintain ATO.
• Security Control Implementation: Define and implement security baselines and overlays (CNSS 1253, NIST SP 800-53).
• Vulnerability & Risk Assessments: Conduct vulnerability testing, threat modeling, and boundary analysis with ACAS/HBSS/SIEM; document POA&Ms.
• Technical SME: Advise Program Managers and engineers to ensure security-aligned design choices.
• Continuous Monitoring & Compliance: Design and manage automated workflows, audit protocols, and patch management.

Skills

Secure architecture

RMF/ATO

NIST SP 800-53

Cloud security

Networking & security

Python scripting

Education

Bachelor's or Master's in STEM

Tools

ACAS

HBSS

SIEM

DLP

Firewalls

Job description

Diné Development Corporation (DDC) is seeking a Senior Information Systems Security Engineer to bridge systems engineering and cybersecurity across IT, cloud, and defense domains. You will design and enforce secure IA architectures and lead RMF/ATO activities from planning through assessment.

Responsibilities include implementing security baselines, conducting vulnerability assessments, advising program managers, and shaping continuous monitoring and compliance programs across complex