Senior Network Security Engineer at AlphaSense

The Senior Network Security Engineer will architect and implement secure LAN/WAN/SD-WAN and Wi-Fi solutions for global offices, managing Cisco Meraki devices while maintaining vendor-agnosticism for future integrations. Responsibilities include deploying and managing network security controls such as segmentation, NAC/802.1X, VPN, SWG/SASE, ZTNA, IDS/IPS, and DLP. The role involves implementing and managing Wi-Fi EAP, certificate-based authentication, and enforcing zero-trust access controls, as well as planning and optimizing enterprise Wi-Fi, including RF design and performance tuning. Building secure cloud and hybrid networking in AWS, Azure, and GCP, and automating deployments and configuration management using Python, Ansible, and IaC tools are key duties. The engineer will also implement observability and alerting, drive improvements in MTTR and service reliability, and support compliance efforts (SOC 2, ISO 27001) through secure configurations, change control, and documentation. This role requires approximately 25-40% global travel for on-site deployments and architecture reviews.