Secure Overlay / VPN Engineer (Zero-Trust, NAT-Traversing Secure Connectivity) Clearancejobs.com is currently seeking a Secure Overlay/VPN Engineer in Rochester, NY, Clifton, NJ, Columbia, MD Sunrise, FL ,San Diego. The Secure Overlay / VPN Engineer designs, implements, and operates identity-based, encrypted network overlays that function reliably across NAT-restricted, mobile, and unreliable transport environments. This role focuses on secure peer discovery, tunnel establishment, and resilient