Information Systems Security Engineer; ISSE Security Clearance

Position: Information Systems Security Engineer (ISSE) with Security Clearance
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 Join Our Mission Lucayan Technology LLC is looking for an Information Systems Security Engineer (ISSE) with Space Systems experience to join our growing cybersecurity team in Chantilly, VA.

In this role, you will be instrumental in safeguarding mission-critical systems, applying your expertise in ICD 503 compliance, secure systems design, and information assurance engineering. What You'll Do
* Conduct information system security engineering throughout the lifecycle, from acquisition to operations.
* Integrate security requirements into system design and development using systems engineering methodologies.
* Collaborate with government stakeholders to ensure compliance with ICD 503 certification and accreditation.
* Provide hands-on expertise with networks, virtualization platforms, and enterprise operating systems.
* Lead or support technical activities in system integration, configuration management, and testing

* Participate in space system security requirement reviews, working groups, and national-level security councils.
* Prepare and maintain security documentation, including System Security Plans (SSPs), CONOPS, POA&Ms, and configuration management plans

Qualifications

Required:

* Active TS/SCI with Polygraph .
* Bachelor's degree in Computer Science, Engineering, or related discipline.
* 8+ years of experience in information assurance and systems security engineering.
* Hands-on experience with operating systems (Windows, Linux, Unix, macOS) and virtualization (VMware, Xen, Hyper-V).
* Demonstrated knowledge of ICD 503 and security accreditation processes.
* Space systems security engineering experience.
* One of the following baseline certifications: CISSP, CISM, GCLP, CCSP . Preferred:
* Master's degree in Computer Science, Cybersecurity, or related field.
* Experience with NIST Risk Management Framework (RMF) and continuous monitoring practices.
* Strong technical project management and leadership experience.