Design, implement, and maintain CSfC-compliant network architectures, ensuring adherence to NSA and DoD security guidelines • Engineer and support secure systems and network infrastructure across classified and unclassified environments • Configure and manage VPNs, firewalls, routers, switches, and encryption devices within CSfC solutions • Integrate and maintain layered encryption solutions in accordance with CSfC Capability Packages • Support system hardening, STIG implementation, and RMF compliance activities • Monitor system performance, troubleshoot issues, and ensure high availability of mission-critical systems • Collaborate with cybersecurity teams to support Zero Trust Architecture (ZTA) initiatives • Maintain and update system documentation, network diagrams, and accreditation artifacts • Support Authority to Operate (ATO) processes, including security control implementation and validation • Participate in incident response, vulnerability remediation, and continuous monitoring activities • Provide technical guidance and support for network system upgrades, migrations, and modernization efforts. Experience implementing STIGs, RMF, and DoD security controlsActive DoD 8570/8140 IAT Level II (or higher) certification (e.g., Security+ CE, CISSP, CASP+) Required.