Principal Information Systems Security Engineer (ISSE-4) at Lucayan Technology Solutions LLC – Chantilly, Virginia

About Lucayan Technology Solutions LLC

At Lucayan Technology Solutions LLC, we deliver secure, innovative solutions in support of national defense and intelligence missions. As a trusted government contracting partner, we provide top-tier intelligence and technology services that safeguard our nation. Our team is mission-driven, and we are committed to building careers that matter.

📍 Chantilly, VA | 🕒 Full-Time | 🔒 TS/SCI with Polygraph | Onsite

Overview

Lucayan Technology LLC is hiring a Principal Information Systems Security Engineer (ISSE-4) to provide senior-level cybersecurity engineering support for mission-critical programs in Chantilly, VA. The ISSE will integrate security requirements into acquisition strategies and system designs, ensuring compliance with government and industry best practices. This role requires deep technical expertise, leadership, and hands-on experience with secure systems engineering across the entire lifecycle.

What You’ll Do

• Lead information systems security engineering activities across acquisition and development.
• Define, capture, and integrate security requirements into system architectures.
• Review and advise on system security designs and architectures.
• Support secure coding, IA engineering, and certification & accreditation processes.
• Develop, revise, and review security documentation including test plans, SSPs, and SCTMs.
• Advise developers on secure methods to reduce system risk.
• Collaborate with stakeholders and A&A teams to ensure security integration.
• Proactively identify opportunities to enhance security and mission outcomes.

Required:

• Active TS/SCI with Polygraph.
• Bachelor’s degree + 11 years (or equivalent: HS +15, Associate’s +13, Master’s +9).
• DoD 8570 IAT Level III certification (CASP, CISA, CISSP-Associate, GCED, GCIH).
• Education in Computer Science, Engineering, Information Security, or related.
• Experience in IA engineering, systems integration, and certification & accreditation testing.

Preferred:

• Knowledge of ICD 503 and NIST SP 800-37 RMF.
• Familiarity with NIST SP 800-160 systems engineering principles.
• Hands-on experience with Windows, Linux, macOS hardening.
• Virtualization expertise: VMware, Xen, Hyper-V, containers.
• Strong background in networking, IAM, and secure infrastructure design.
• Experience with Digital Engineering or MBSE.