Senior Pre-Sales Network Security Engineer

3 Remote Locations : Seattle WA, Boston Mass, and Chicago Illinois (applicants must reside in one of these 3 states to be considered) Description This role supports enterprise sales efforts by combining deep network engineering expertise with strong customer-facing presentation and demonstration skills. The position partners with sales teams to articulate, demonstrate, and position network security and observability solutions—both software and hardware—to complex enterprise customers. Responsibilities Partner with enterprise sales teams to support pre-sales activities , including discovery, solution positioning, and technical validation Deliver compelling product demonstrations and presentations tailored to customer environments and use cases Act as a trusted technical advisor, translating network and security challenges into effective solution architectures Demonstrate and explain network performance monitoring, application performance monitoring, and observability capabilities Support the sales cycle by designing proofs of concept, pilots, and technical evaluations Communicate the value of both software and hardware-based solutions to enterprise customers Engage with customer network teams to discuss architecture, topology, and operational requirements Present confidently to technical and executive audiences , adapting messaging as needed Support opportunities across on-prem, cloud, and hybrid environments Stay current on industry trends in network security, observability, and service assurance Requirements Pre-Sales & Customer Engagement Proven experience in Pre-Sales / Sales Engineering or Solutions Engineering Strong ability to present, demonstrate, and explain technology to enterprise customers Comfortable leading technical discussions, demos, and customer workshops Vendor-side experience selling software, hardware, or combined solutions strongly preferred Network Engineering & Security Expertise Strong background in network engineering and network security Hands-on knowledge of: Routing and switching TCP/IP BGP SNMP NetFlow VoIP Layer 4–7 networking concepts Experience working with Juniper products Solid understanding of Cisco routing, switching, gateways, and network applications Familiarity with packet-switched networks and network infrastructure concepts Observability, Monitoring & Analysis Experience with Network Performance Monitoring (NPM) Experience with Application Performance Monitoring (APM) Knowledge of service assurance and network observability platforms Hands-on exposure to packet analysis tools , including Wireshark or similar sniffers Infrastructure & Platforms Working knowledge of Linux operating systems Familiarity with cloud and virtualization environments , including: AWS VMware Experience supporting or discussing LAN and WAN architectures , including: MPLS Frame Relay ATM Professional Skills Excellent verbal communication and presentation skills Strong ability to explain complex technical topics clearly Confident, customer-focused, and collaborative approach