Senior Network EngineerLocation: Beaverton, ORWe are seeking a Senior Network Engineer to design, implement, secure, and support enterprise network infrastructure across LAN/WAN/WiFi, datacenters, and cloud connectivity. This role requires deep technical expertise, strong troubleshooting skills, and the ability to lead network initiatives from planning through execution.Key ResponsibilitiesDesign, implement, and maintain enterprise network infrastructure (LAN/WAN/WLAN).Manage and optimize routing and switching environments (SDWAN, SDA, BGP, OSPF, EIGRP, VLANs, STP, HSRP/VRRP).Configure and support firewalls, VPNs, and network security controls.Lead network upgrades, migrations, and major infrastructure projects.Support and troubleshoot network performance issues and outages (root cause analysis).Monitor network health using tools like SolarWinds / ThousandEyes (or similar).Maintain network documentation: diagrams, IP schema, standards, and runbooks.Work with service providers for circuit turn-ups, troubleshooting, and escalations.Ensure high availability, redundancy, and disaster recovery readiness.Mentor junior engineers and provide technical guidance.Participate in on-call rotation and support after-hours maintenance activities.Cloud Networking (AWS / Azure)Design and support cloud network architecture including:AWS VPC / Transit Gateway / Route Tables / NACLs / Security GroupsAzure VNet / VNet Peering / UDR / NSGs / Cloud FirewallImplement secure hybrid connectivity:IPsec site-to-site VPNAWS Direct Connect / Azure ExpressRouteImplement cloud segmentation and secure routing patterns for CUI environments.Support cloud security integrations:Centralized logging/monitoringNetwork traffic visibility and alertingPartner with cloud engineering teams to ensure compliant connectivity for workloads handling CUIRequired QualificationsBachelor's degree in IT/Computer Science or equivalent work experience.7 years of hands-on enterprise network engineering experience.Strong knowledge of:Routing and switching (Cisco)TCP/IP, subnetting, DNS, DHCP, InfoBloxWAN technologies (DMVPN, SD-WAN, DIA, broadband)Wireless networking (Cisco/Meraki)Experience with:Firewalls (Palo Alto / Cisco ASA/FTD)VPN (site-to-site, remote access)Network segmentation and security best practicesStrong troubleshooting skills using packet capture tools (Wireshark/tcpdump).Excellent communication and stakeholder management skills.Preferred QualificationsExperience with SD-WAN (Viptela, etc.)Cloud networking experience: AWS / Azure / OCIAutomation experience (Python, Ansible, Terraform, API-based networking).Experience with NAC solutions (Cisco ISE, ClearPass).Knowledge of compliance/security frameworks (NIST, CMMC, ISO 27001).Certifications preferred:CCNP / CCIE (Enterprise/Security)PCNSE / NSE