Lead Network Security Specialist Infrastructure
Core
Senior technical advisor leading the engineering, installation, maintenance, and administration of enterprise network security solutions for critical infrastructure, specifically focusing on firewalls and SCADA systems.
Role type
Senior IC Network Security Specialist (Infrastructure)
Builds
Secure network environments and SCADA system protections for critical infrastructure
Domain
Energy sector / Critical Infrastructure / Network Security
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Cisco router/switch/firewall configuration, Next-gen firewall management (Checkpoint, Palo Alto), Network Access Control (NAC), Micro-segmentation, SAML/PKI implementation, RADIUS/TACACS+/LDAP authentication, Cloud architecture (AWS/Azure/GCP), SD-WAN, Routing and Switching (BGP, OSPF, VXLAN), Security policy development, Change management
Preferred skills
Packet capture analysis (Wireshark), Citrix NetScaler configuration, Cisco ISE distributed deployment, Zero Trust Architecture, SolarWinds Orion platform
Technologies
Cisco Nexus 9K, Cisco Catalyst, Cisco ASR, Cisco 4K, Cisco ISE, Cisco Firepower, Cisco ASA, Checkpoint, Palo Alto, AWS, Azure, GCP, SD-WAN, Wireshark, SolarWinds Orion
Responsibilities
Respond to incidents and tasks to meet SLAs, design and support technical solutions focusing on firewalls, plan and implement environment changes, maintain infrastructure technologies per change management, lead technical implementation plans, evaluate and test hardware/software products, maintain regulatory compliance under NERC/CIP guidelines, provide 24x7 on-call support, mentor team members
Seniority
Senior, hands-on IC with leadership responsibilities