PLEASE NOTE: It is a Hybrid position in Washington, D.C. Metro Clearance Requirement: Public Trust Tier 2 will be required after onboarding Must be a U.S. Citizen or hold Permanent Residence Status. SUMMARY: We are seeking an elite Senior Network Engineer to serve as Key Personnel, providing advanced engineering, operational, and advisory support for the Client Cisco network environment. The primary objective of this role is to strengthen the security, reliability, and resilience of the network infrastructure while actively driving the remediation of identified Incident Response (IR) findings. You will design, implement, and maintain secure network architectures across core, distribution, access, and edge layers. KEY RESPONSIBILITIES: Enterprise Architecture & Zero Trust: You will design, implement, operate, and optimize the CBO's Cisco-based network infrastructure to ensure high availability and resilience. You must engineer and enforce Zero Trust network architecture principles in ac...