Senior Network Security Engineer

Our Client, a Energy Services company, is looking for a Senior Network Security Engineer for their Orange, CT location.

Responsibilities:

• The ideal candidate will also be responsible for proactive network monitoring, performance analysis, and security visibility using tools like SNMP-based monitoring, ExtraHop, and other network analytics platforms to ensure optimal uptime, security, and efficiency
• Architect, deploy, and optimize a scalable, highly available, and secure enterprise network across + locations.
• Design and maintain MPLS, DIA, PP circuits, AWS Direct Connect, and Azure
• ExpressRoute to ensure high-performance connectivity.
• Engineer and support IPSec VPN tunnels for secure remote access and inter-site connectivity.
• Implement advanced routing policies using BGP, EIGRP, OSPF, static routes, prefix lists, ACLs, and route maps.
• Design and maintain enterprise wireless solutions including Cisco WLCs and Access Points.
• Administer and maintain Cisco routers (ISR, ASR) and switches (Catalyst, Nexus).
• Manage Infoblox DDI (DNS, DHCP, IPAM) for resilient name resolution.
• Configure and maintain Cisco ISE for network access control and authentication policies.
• Oversee network performance monitoring, SNMP-based alerting, and traffic ana

Requirements:

• - years of hands-on experience in network engineering, architecture, and operations.
• Strong expertise in MPLS, DIA, PP circuits, AWS Direct Connect, and Azure ExpressRoute.
• Deep knowledge of routing protocols (BGP, EIGRP, OSPF), IPSec VPN, NAT, ACLs, route maps.
• Extensive experience with Cisco routers (ISR, ASR) and switches (Catalyst, Nexus).
• Proficiency in network monitoring and SNMP-based solutions (SolarWinds, PRTG,
• ThousandEyes, Cisco DNA Center, etc.).
• Hands-on experience with ExtraHop for deep packet inspection and traffic analytics.
• Experience with Infoblox (DNS, DHCP, IPAM) and Cisco ISE (, NAC, auth)

Why Should You Apply?

• Excellent growth and advancement opportunities