Principal Information Systems Security Engineer (ISSE-4)

📍 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.

Do You Have What It Takes?

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 .

About Lucayan Technology LLC

Lucayan Technology LLC provides mission-critical cybersecurity, engineering, and program management services to the Department of Defense and Intelligence Community . Our Information Systems Security Engineers ensure that security is integrated at every phase of acquisition and development, safeguarding the nation’s most sensitive missions. At Lucayan, you’ll work alongside top professionals, directly support government stakeholders, and grow in a company committed to integrity, innovation, and excellence .

👉 Apply today to bring your expertise as a Principal ISSE-4and help Lucayan secure the future of national defense systems.