center management planes • Experience designing and troubleshooting Layer 2/3 networking architectures and understanding of internetworking routing protocols and technologies (TCP/IP, VPLS, DMVPN, EIGRP, BGP, OSPF, VRRP, HSRP, NHRP). • Experience with Type 1 line encryption devices including, but not limited to the following: KG175, KG250, KG250xs, etc. • Experience with network security best practices, and technologies including More ❯
scale enterprise networks (10,000+ users) Experience with Cisco and Arista enterprise technologies, such as: Layer 2 LAN technologies (STP, VLANs, VTP, LACP) High availability technologies (VPC, SVL, HSRP, VRRP, MLAG) Routing protocols concepts (BGP, EIGRP, OSPF, MPBGP, VXLAN) Experience in design and documentation of data center spine and leaf fabric (Arista/Cisco). Experience with SDWAN technologies (Cisco More ❯
include CE certification Cisco CCNA certification Experience with a broad range of Cisco products Understanding of internetworking routing protocols and technologies (TCP/IP, VPLS, DMVPN, EIGRP, BGP, OSPF, VRRP, HSRP, NHRP) Experience with network security concepts, best practices, and technologies including, but not limited to, SSH, IPSec, RADIUS, TACACS, firewall policies, and 802.1x Experience installing and administering network and More ❯
Springfield, Virginia, United States Hybrid / WFH Options
SAIC
Deep knowledge of Layer2/Layer3, routing and switching, tunneling, and networking protocols: BGP, OSPF, EIGRP, static, L2TP, IPSEC, VPN, DMVPN, GRE Spanning tree, etherchannel, vlan trunking, 802.1q, HSRP, VRRP, GLBP, VPC, Deep knowledge of Cisco switching and routing product lines. Strong experience in design/support/troubleshoot large/complex networks end-to-end. Expert experience in one More ❯
troubleshooting. Proven ability to configure and support LAN/WLAN environments, routing/switching, VLANs, and DNS/DHCP. Knowledge of routing protocols and networking technologies such as BGP, VRRP/HSRP, TCP/UDP, LACP. Strong diagnostic skills using packet capture and other troubleshooting tools. Excellent communication and documentation skills, with a proactive problem-solving mindset. Willingness to assist More ❯
related experience. Extensive experience with a wide range of networking protocols and technologies, including (but not limited to): Layer 2/3 Protocols: TCP/IP, EIGRP, BGP, OSPF, VRRP, RSTP. Common Services: DNS, DHCP, HTTP, HTTPS, SMTP, SNMP. WAN Technologies: PPP, HDLC, V.35, RS-449. Clear understanding of IEEE 802 communications and Internet standards (e.g., 802.1d,802.1q,802.1w,802.3 More ❯
Description: How You Will Contribute: Specify & Design network infrastructure including routers, switches, and firewalls. Design technical specifications for IP addressing, subnets & VLANs Design technical specifications for networking redundancies using VRRP, BGP and OSPF. Design technical specifications for Layer 2 technologies like Link Aggregation (LAG) and LACP. Design virtual networking solutions across on-prem and public cloud environments (AWS, GCP) Design More ❯
solutions based upon requirements Eight years of experience working with Cisco, Juniper and Ciena switches Three years of experience with routing and switching protocols such as OSPF, BGP, HSRP, VRRP, spanning tree, various 802.1 protocols, trunking and traffic aggregation Three years of experience working with Palo Alto firewalls, Panorama Two years of experience working in Microsoft Azure cloud environment supporting More ❯
Thin Configs). Knowledge of Cisco IOS, Juniper JUNOS, Brocade and Foundry OS. Familiar (doesn't need to be a SME) with Layer 3 protocols such as OSPF, BGP, VRRP, HSRP, MPLS, LSP, GRE. Familiar with Visio, ServiceNow, and Confluence. May have up to 10% COMSEC responsibilities. Requirements Required Clearance: TS/SCI with CI Poly Candidate must have More ❯
Thin Configs). • Knowledge of Cisco IOS, Juniper JUNOS, Brocade and Foundry OS. • Familiar (doesn't need to be a SME) with Layer 3 protocols such as OSPF, BGP, VRRP, HSRP, MPLS, LSP, GRE. Familiar with Visio, ServiceNow, and Confluence. • May have up to 10% COMSEC responsibilities. Requirements Required Clearance: TS/SCI with CI Poly Candidate must have More ❯
across Security, WAN, LAN. Demonstrable knowledge of the technologies listed below. SD-WAN SASE ZTNA Firewall, IDS/IPS, DDOS, Cloud based security services IP Networking Routing protocols, BGP, VRRP, HSRP MPLS LAN (Wired & Wireless) Public Cloud network connectivity (ExpressRoute, Direct Connect) Experience of the above solutions from vendors including Fortinet and Cisco Experience in working with service transition teams More ❯
City Of London, England, United Kingdom Hybrid / WFH Options
Pathfinder - IT Recruitment
ideal for someone confident in switching, routing, and security protocols who can also present to non-technical audiences. Essential experience: L2–L4 networking: TCP/IP, switching, OSPF, BGP, VRRP Security: stateful firewalls, UTM, IPSec, SIEM, SOC Strong communication, presentation, and technical documentation skills Experience in customer-facing solution design and demos Excellent organisational and problem-solving abilities Ability to More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Pathfinder - IT Recruitment
ideal for someone confident in switching, routing, and security protocols who can also present to non-technical audiences. Essential experience: L2–L4 networking: TCP/IP, switching, OSPF, BGP, VRRP Security: stateful firewalls, UTM, IPSec, SIEM, SOC Strong communication, presentation, and technical documentation skills Experience in customer-facing solution design and demos Excellent organisational and problem-solving abilities Ability to More ❯
london, south east england, united kingdom Hybrid / WFH Options
Pathfinder - IT Recruitment
ideal for someone confident in switching, routing, and security protocols who can also present to non-technical audiences. Essential experience: L2–L4 networking: TCP/IP, switching, OSPF, BGP, VRRP Security: stateful firewalls, UTM, IPSec, SIEM, SOC Strong communication, presentation, and technical documentation skills Experience in customer-facing solution design and demos Excellent organisational and problem-solving abilities Ability to More ❯
logistical plans and providing technical direction and support Required Knowledge, Skills, and Abilities (KSAs) Experience with network operations: routing, switching, and firewalls Experience with network services such as NAT, VRRP, and DHCP Juniper and/or Arista configuration experience Understanding of Authentication, Authorization, and Accounting and ability to utilize such Understanding of Network Security Principles (such as BCP38 and BCP84 More ❯
City of London, London, United Kingdom Hybrid / WFH Options
83zero Limited
and deliver value. What We're Looking For Experience in the managed IT or telecoms sector. Solid knowledge of network principles (TCP/IP, routing protocols like OSPF & BGP, VRRP). Understanding of security concepts: firewalls, UTM, IPSec, SIEM, etc. Hands-on experience with at least two of the following: Networks, Cloud, Unified Communications, Cyber Security. Desirable: SD-WAN & SASE More ❯
and deliver value. What We’re Looking For Experience in the managed IT or telecoms sector. Solid knowledge of network principles (TCP/IP, routing protocols like OSPF & BGP, VRRP). Understanding of security concepts: firewalls, UTM, IPSec, SIEM, etc. Hands-on experience with at least two of the following: Networks, Cloud, Unified Communications, Cyber Security. Desirable: SD-WAN & SASE More ❯
london, south east england, united kingdom Hybrid / WFH Options
83zero
and deliver value. What We’re Looking For Experience in the managed IT or telecoms sector. Solid knowledge of network principles (TCP/IP, routing protocols like OSPF & BGP, VRRP). Understanding of security concepts: firewalls, UTM, IPSec, SIEM, etc. Hands-on experience with at least two of the following: Networks, Cloud, Unified Communications, Cyber Security. Desirable: SD-WAN & SASE More ❯
slough, south east england, united kingdom Hybrid / WFH Options
83zero
and deliver value. What We’re Looking For Experience in the managed IT or telecoms sector. Solid knowledge of network principles (TCP/IP, routing protocols like OSPF & BGP, VRRP). Understanding of security concepts: firewalls, UTM, IPSec, SIEM, etc. Hands-on experience with at least two of the following: Networks, Cloud, Unified Communications, Cyber Security. Desirable: SD-WAN & SASE More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
83zero
and deliver value. What We’re Looking For Experience in the managed IT or telecoms sector. Solid knowledge of network principles (TCP/IP, routing protocols like OSPF & BGP, VRRP). Understanding of security concepts: firewalls, UTM, IPSec, SIEM, etc. Hands-on experience with at least two of the following: Networks, Cloud, Unified Communications, Cyber Security. Desirable: SD-WAN & SASE More ❯
GCP, Azure, or similar). Network monitoring tools. Understanding of network fundamentals, TCP/IP routing, switching, firewalls and VPNs, Ethernet, DS1, T1, routing concepts and routing protocols, HSRP, VRRP, DHCP, switching, 802.1Q, STP, VLANs, EtherChannel, IP Addressing, Subnetting and VPN. Experience with cloud networking concepts. Ability to use Tor as a means of obfuscating online activities. Knowledge of internet More ❯