in routing protocols (e.g., OSPF, EIGRP, BGP) and advanced network architecture design. Advanced knowledge of VLANs, spanning tree protocol (STP), and network segmentation. Experience with network security protocols, including IPSec VPNs, access control lists (ACLs), and 802.1X authentication. Familiarity with network monitoring and management tools (e.g., SolarWinds, Wireshark, DNA). Strong understanding of network security measures and experience with firewall More ❯
CCNP/CCNA level), and good knowledge of SD-WAN deployments; Good understanding of key technologies such as: VRF, dynamic routing (EIGRP/BGP/OSPF), MPLS, DMVPN, GRE, IPSec VPN Remote Access VPN: GlobalProtect, Pulse Secure, Cisco AnyConnect; Knowledge of Cloud deployments (Azure/AWS/GCP); Experience with building, maintaining, reviewing all configurations/settings/policies on More ❯
network architectures. -Ability to communicate technical issues clearly and professionally with non-technical staff -Background in project management and experience leading multi-phase network projects -Thoroughly understand VPN Technologies (IPSEC, DMVPN, S2S, L3VPN, VPLS) -Thoroughly understand the following routing protocols: EIGRP, OSPF, and BGP -Thoroughly understand how to install and implement Cisco WAN/LAN routers/switches in small More ❯
certification or equivalent prior to start. Must have broad exposure to common IT infrastructure networking in the areas of LAN, WAN, TCP/UDP, Dual stack IPv4/IPv6, IPSec, VPN and Firewalls Micro-segmentation Must have experience in working with two or more of the following vendor network technologies: Cisco, Juniper, F5, Aruba, Palo Alto, Dell, Brocade, and Fortinet. More ❯
2960X/4500X) and associated technologies such as VTP, STP, VSS Cisco Data Centre Switching (Nexus 5K/7K/9K) and associated technology such as VPC and VDC IPSec VPN Configuration and Administration Cisco FirePOWER IPS Cisco FirePOWER Threat Defence Cisco SD-WAN o Cisco DNAC and Prime Cisco Wireless - WLC's (C9800 series) Palo Alto Networks Firewalls Azure More ❯
2960X/4500X) and associated technologies such as VTP, STP, VSS Cisco Data Centre Switching (Nexus 5K/7K/9K) and associated technology such as VPC and VDC IPSec VPN Configuration and Administration Cisco FirePOWER IPS Cisco FirePOWER Threat Defence Cisco SD-WAN o Cisco DNAC and Prime Cisco Wireless - WLC's (C9800 series) Palo Alto Networks Firewalls Azure More ❯
2960X/4500X) and associated technologies such as VTP, STP, VSS Cisco Data Centre Switching (Nexus 5K/7K/9K) and associated technology such as VPC and VDC IPSec VPN Configuration and Administration Cisco FirePOWER IPS Cisco FirePOWER Threat Defence Cisco SD-WAN o Cisco DNAC and Prime Cisco Wireless - WLC's (C9800 series) Palo Alto Networks Firewalls Azure More ❯
2960X/4500X) and associated technologies such as VTP, STP, VSS Cisco Data Centre Switching (Nexus 5K/7K/9K) and associated technology such as VPC and VDC IPSec VPN Configuration and Administration Cisco FirePOWER IPS Cisco FirePOWER Threat Defence Cisco SD-WAN o Cisco DNAC and Prime Cisco Wireless - WLC's (C9800 series) Palo Alto Networks Firewalls Azure More ❯
2960X/4500X) and associated technologies such as VTP, STP, VSS Cisco Data Centre Switching (Nexus 5K/7K/9K) and associated technology such as VPC and VDC IPSec VPN Configuration and Administration Cisco FirePOWER IPS Cisco FirePOWER Threat Defence Cisco SD-WAN o Cisco DNAC and Prime Cisco Wireless - WLC's (C9800 series) Palo Alto Networks Firewalls Azure More ❯
Basingstoke, Hampshire, United Kingdom Hybrid / WFH Options
83zero Ltd
modelling, remediation, and policy compliance Essential: Strong background in network engineering and troubleshooting across complex environments Operational knowledge of LAN/WAN infrastructure, routing protocols (OSPF, BGP, EIGRP), VPN (IPSec, IKE, SSL), and firewall configuration Experience working in secure environments with a focus on proactive security posture Knowledge of network security tools such as Cisco Secure Access, Cisco ISE, Microsoft More ❯
or equivalent prior to start. • Heavily experienced in patching, upgrading, and lifecycle refresh of network devices. • Demonstrated experience with networking concepts and protocols: LAN, WAN, BGP, TCP/UDP, IPSec, VPN, Routing(L2/L3), and Firewalls. • Demonstrate experience in one or more of the following enterprise network management tools such as Palo Alto Panorama, Cisco Prime, Cisco DNA, or More ❯
maintain Secret clearance prior to start date Experience designing, deploying, and operating software-defined networking solutions Strong understanding of networking in the areas of LAN, WAN, TCP/UDP, IPSec, VPN, proxies, routing (L2/L3), firewalls, and software-defined networking Experience implementing dual-stack networking to use both IPv4 and IPv6 addresses simultaneously Experience developing and deploying Infrastructure as More ❯
Heavily experienced in upgrading and LCR of network devices. Must have broad exposure to common I/T infrastructure networking in the areas of LAN, WAN, TCP/UDP, IPSec, VPN, Proxies, Routing(L2/L3), and Firewalls. Must have experience in working with two or more of the following vender network technologies: Cisco, Juniper, F5, Aruba, Palo Alto, Dell More ❯
Firepower Threat Defense devices, specifically 10xx and 31xx series, in FTD and ASA mode Cisco ASA firewalls Catalyst switching hardware, specifically 9300/9500 series Cisco Nexus switching hardware IPSEC, RAVPNs, ACLs, VLANs, SVIs, Port Channels, LAN/WAN routing protocols including EIGRP and BGP. Physical network infrastructure, including copper and fiber media Desired Experience: Linux experience SQL experience HyperV More ❯
lifecycle refresh of an existing I/T system. Must have broad exposure to common I/T infrastructure networking in the areas of LAN, WAN, TCP/UDP, IPSec, VPN, Proxies, Routing(L2/L3), and Firewalls. Must have experience in working with two or more of the following vender network technologies: Cisco, Juniper, F5, Aruba, Palo Alto, Dell More ❯
lifecycle refresh of an existing I/T system. Must have broad exposure to common I/T infrastructure networking in the areas of LAN, WAN, TCP/UDP, IPSec, VPN, Proxies, Routing(L2/L3), and Firewalls. Must have experience in working with two or more of the following vender network technologies: Cisco, Juniper, F5, Aruba, Palo Alto, Dell More ❯
lifecycle refresh of an existing I/T system. Must have broad exposure to common I/T infrastructure networking in the areas of LAN, WAN, TCP/UDP, IPSec, VPN, Proxies, Routing(L2/L3), and Firewalls. Must have experience in working with two or more of the following vender network technologies: Cisco, Juniper, F5, Aruba, Palo Alto, Dell More ❯
certification or equivalent prior to start. Must have broad exposure to common IT infrastructure networking in the areas of LAN, WAN, TCP/UDP, Dual stack IPv4/IPv6, IPSec, VPN and Firewalls Micro-segmentation • Must have experience in working with two or more of the following vendor network technologies: Cisco, Juniper, F5, Aruba, Palo Alto, Dell, Brocade, and Fortinet. More ❯
Swarthmore, Pennsylvania, United States Hybrid / WFH Options
Swarthmore College
analysis, DHCP, DNS, NTP, and IPAM 802.11a-ax, EAP-PEAP, WPA2, security certificates Routing protocols including OSPF and BGP Security systems including application aware NextGen firewalls VPN protocols including IPSEC, SSL VPN, site-to-site VPN IOT including phones, cameras, card access, and building automation Microsoft Windows 10/11, macOS, iOS, and Android client devices Network management and analysis More ❯
Endpoint Security & Threat Intelligence Strong understanding of networking fundamentals , including TCP/IP, routing (BGP, OSPF, EIGRP), switching, and VPN technologies . Familiarity with network security protocols such as IPSec, SSL/TLS, DNS security, and IDS/IPS . Hands-on experience with firewalls, cloud security solutions (AWS, Azure, GCP), and identity-based security models . Proficiency in technical More ❯
Bournemouth, Dorset, United Kingdom Hybrid / WFH Options
N Consulting Limited
upgrades, and migration activities - Routing, Switching, and MPLS. Good experience in using Cisco Nexus and ACI Infrastructure. Hands-on with LAN/WAN technologies like Vlan, VTP,STP,HSRP IPSec VPN, MPLS, Lease Line, OSPF,BGP, VDC,VPC. Experience with DNS, DHCP, and IP management tools; familiarity with scripting and APIs as they relate to network automation. Required Skills More ❯