Cyber Security Engineer IV

SOSi is seeking an experienced Cybersecurity Engineer to join our team at SOS International in Reston, VA. This role strengthens SOSi’s enterprise and customer-facing security posture across on-prem, Microsoft 365/Azure, and multi-cloud environments (AWS, GCP, OCI). You will engineer, implement, and continuously improve controls that protect CUI/FCI and other sensitive data, align with federal frameworks, and enable secure, reliable mission delivery.

Essential Job Duties

Classified Systems Leadership (ISSM)

• Program Oversight: Lead SOSi Corporate Classified Information Systems and serve as the primary ISSM for all classified spaces.
• Compliance Frameworks: Develop and conduct risk assessment procedures to verify RMF/A&A safeguards in accordance with NISPOM/DAAPM, RMF, JSIG, and NIST 800-series (800-53, 800-171) guidelines.
• A&A Management: Direct all cybersecurity tasks incl...