Cybersecurity Architect; TS​/SCI Poly

Cybersecurity Architect (TS/SCI with Poly Required)

Job Category:
Cyber and IT Risk Management

Requisition Number: CYBER
002171

• Full-Time
• On-site
• Salary Range: $ USD to $ USD

Herndon, VA, USA

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique high‑value mission solutions while effectively leveraging the technological expertise of our valued workforce to meet critical mission requirements in Data Analytics, Software Development, Engineering, Targeting and Analysis, Operations, Training and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

• Assist in evaluating and advising on zero trust architecture maturity models and roadmap phased adoption, ensuring alignment with the customer’s organizational security posture.
• Work within the customer’s IT and Cybersecurity policies, standards, and guidance domains.
• Apply critical thinking to identify strengths and weaknesses of alternative solutions related to zero trust architecture.
• Apply knowledge of zero trust architecture frameworks (e.g., NIST SP 800‑207), micro‑segmentation, least‑privilege access and continuous verification.
• Apply knowledge of network security architectures such as software‑defined networking (SDN), secure access service edge (SASE) and API gateways.
• Apply knowledge of identity and access management (IAM) and multi‑factor authentication (MFA) systems.
• Apply knowledge of cloud‑native security (e.g., AWS IAM, Azure AD, Google Cloud IAM) in hybrid/multi‑cloud environments.
• Collaborate with cross‑functional teams (security, Dev Ops, compliance) to align zero trust architecture goals with business objectives.
• Coordinate program and project management activities such as reviews and documentation creation.
• Prepare schedules, roadmaps and management plans.
• Produce executive technical writing or editing to create cohesive products and program artifacts for senior leadership.
• Track and monitor ongoing sponsor zero trust projects and initiatives.
• Engage sponsor stakeholders and senior audiences to coordinate activities across organizational boundaries.
• Assess, document and track program and project requirements and follow‑on technical exchange meetings.
• Translate technical information into clear, readable documents and presentations for both technical and non‑technical audiences.
• Track dependencies related to zero trust architecture implementation, including process improvements and technical integration challenges.

• Demonstrated experience evaluating and advising on zero trust architecture maturity models and roadmap phased adoption.
• Experience with in IT and Cybersecurity policies, standards and guidance domains.
• Experience applying critical thinking to evaluate strengths and weaknesses of alternative solutions.
• Deep knowledge of zero trust architecture frameworks (e.g., NIST SP 800‑207) including micro‑segmentation, least‑privilege access and continuous verification.
• Experience with network security architectures such as SDN, SASE or API gateways.
• Experience with IAM and MFA systems.
• Experience with cloud‑native security (AWS, Azure, Google) and hybrid/multi‑cloud environments.
• Experience collaborating with cross‑functional teams to align zero trust goals with business objectives.
• Experience engaging stakeholders and coordinating activities across organization boundaries.
• Experience preparing schedules, roadmaps and management plans.
• Experience executive technical writing or editing for senior leadership.
• Experience translating technical information for diverse audiences.
• Experience tracking project or program dependencies, process improvements and technical integration challenges.
• Experience assessing, documenting, tracking program and project requirements and conducting technical exchange meetings.

• Understanding of threat landscapes, lateral movement prevention and behavioral analytics using SIEM or UEBA platforms.
• Experience architecting scalable, resilient zero trust solutions that incorporate automation and real‑time anomaly…