Proven experience in designing, deploying, and operating InfiniBand networking, including configuration, performance tuning, and troubleshooting (e.g., Subnet Managers, QoS, RDMA). Strong knowledge of WAN technologies including MPLS,BGP,IPSec, GRE, SD-WAN, and associated routing protocols. Knowledge of HPC networking topologies. Fat Tree, Rail Strong Python or Bash Strong Optics and hardware knowledge to assist with BOM design Personal More ❯
london (city of london), south east england, united kingdom
Nscale
Proven experience in designing, deploying, and operating InfiniBand networking, including configuration, performance tuning, and troubleshooting (e.g., Subnet Managers, QoS, RDMA). Strong knowledge of WAN technologies including MPLS,BGP,IPSec, GRE, SD-WAN, and associated routing protocols. Knowledge of HPC networking topologies. Fat Tree, Rail Strong Python or Bash Strong Optics and hardware knowledge to assist with BOM design Personal More ❯
Bash/Python; IaC with Terraform/Ansible. Security & networking: anti-virus/malware/endpoint tooling; fundamentals across Cisco switching, Palo Alto firewalls, SD-WAN (Cato/Prisma), IPSec VPN, and basic Kubernetes concepts. What you’ll do: Provide 1st/2nd/3rd line support. Build and manage user devices; own onboarding/offboarding workflows; administer O365. Support More ❯
Bash/Python; IaC with Terraform/Ansible. Security & networking: anti-virus/malware/endpoint tooling; fundamentals across Cisco switching, Palo Alto firewalls, SD-WAN (Cato/Prisma), IPSec VPN, and basic Kubernetes concepts. What you’ll do: Provide 1st/2nd/3rd line support. Build and manage user devices; own onboarding/offboarding workflows; administer O365. Support More ❯
Bash/Python; IaC with Terraform/Ansible. Security & networking: anti-virus/malware/endpoint tooling; fundamentals across Cisco switching, Palo Alto firewalls, SD-WAN (Cato/Prisma), IPSec VPN, and basic Kubernetes concepts. What you’ll do: Provide 1st/2nd/3rd line support. Build and manage user devices; own onboarding/offboarding workflows; administer O365. Support More ❯
Bash/Python; IaC with Terraform/Ansible. Security & networking: anti-virus/malware/endpoint tooling; fundamentals across Cisco switching, Palo Alto firewalls, SD-WAN (Cato/Prisma), IPSec VPN, and basic Kubernetes concepts. What you’ll do: Provide 1st/2nd/3rd line support. Build and manage user devices; own onboarding/offboarding workflows; administer O365. Support More ❯
london (city of london), south east england, united kingdom
Mondrian Alpha
Bash/Python; IaC with Terraform/Ansible. Security & networking: anti-virus/malware/endpoint tooling; fundamentals across Cisco switching, Palo Alto firewalls, SD-WAN (Cato/Prisma), IPSec VPN, and basic Kubernetes concepts. What you’ll do: Provide 1st/2nd/3rd line support. Build and manage user devices; own onboarding/offboarding workflows; administer O365. Support More ❯
L2-L4 TCP/IP Stack L2 & L3 Switching concepts IP routing technologies such as OSPF & BGP Redundancy protocols such as VRRP Security principles such as Stateful Firewall, UTM, IPSec & SIEM Wireless principles such as SSIDs, Encryption & Authentication Excellent written and oral communication skills; including the ability to translate technical jargon for a non-technical audience and vice-versa. Excellent More ❯
networking technologies. Proven experience in Second Line IT Support. Strong expertise in Microsoft 365 (Email concepts, SharePoint, OneDrive, Azure AD). Solid understanding of networking (LAN, WAN, VLAN, WiFi, IPsec, VPN) Hands-on experience with Windows Servers (Active Directory, DHCP, DNS, GPOs, Print Management). Excellent communication skills with the ability to engage professionally with clients. A full driving licence More ❯
Burgess Hill, West Sussex, England, United Kingdom Hybrid / WFH Options
Clearline Recruitment Ltd
2012R2-2022) and Windows 10/11 Knowledge of DHCP, DNS, Group Policies, and Active Directory Networking and firewall configuration (e.g. Palo Alto, UDM Pro, Draytek) Experience with VPNs (IPSEC, PPTP, SSL, SSTP, Azure VPN) Knowledge of VOIP, SQL Server, Hyper-V/VMware, and SaaS/PaaS/IaaS is advantageous Strong problem-solving and communication skills Self-motivated More ❯
Burgess Hill, Sussex, United Kingdom Hybrid / WFH Options
Clearline Recruitment Ltd
2012R2-2022) and Windows 10/11 Knowledge of DHCP, DNS, Group Policies, and Active Directory Networking and firewall configuration (e.g. Palo Alto, UDM Pro, Draytek) Experience with VPNs (IPSEC, PPTP, SSL, SSTP, Azure VPN) Knowledge of VOIP, SQL Server, Hyper-V/VMware, and SaaS/PaaS/IaaS is advantageous Strong problem-solving and communication skills Self-motivated More ❯
CD, Terraform, Ansible, Serverless, and container registries In-depth understanding of public cloud platforms and deployment best practices Strong knowledge of network protocols (TCP/IP) and security practices (IPSec, SSL-VPN, NAT, GRE) Hands-on experience with cloud infrastructure operations and troubleshooting customer tech stacks. Familiarity with SIEM tools, vulnerability management, malware analysis, and firewall configurations Ability to communicate More ❯
CD, Terraform, Ansible, Serverless, and container registries In-depth understanding of public cloud platforms and deployment best practices Strong knowledge of network protocols (TCP/IP) and security practices (IPSec, SSL-VPN, NAT, GRE) Hands-on experience with cloud infrastructure operations and troubleshooting customer tech stacks. Familiarity with SIEM tools, vulnerability management, malware analysis, and firewall configurations Ability to communicate More ❯
Birmingham, West Midlands, England, United Kingdom
Reed
comprehensive CLI exposure. Profound understanding of routing and switching. Expertise in configuring and tuning BGP, including policy-based routing, manipulation of attributes, and load-balancing techniques. Familiarity with troubleshooting IPSEC VPNs and MPLS. Knowledge of PKI infrastructure elements and certificate-based VPN authentication. Benefits : Competitive daily rate. Opportunity to work in a leading technology environment. Be part of a highly More ❯
Birmingham, West Midlands, England, United Kingdom
Reed
Strong experience in configuring and troubleshooting Juniper network devices. In-depth knowledge of BGP, including policy-based routing, attribute manipulation, load-balancing techniques, and advanced troubleshooting. Proficiency in troubleshooting IPsec VPNs and MPLS networks. Solid understanding of routing and switching protocols. Good understanding of PKI infrastructure and experience with certificate-based VPN authentication. Hands-on experience with various SRX and More ❯
and Layer 3 networking issues Document network topologies and configurations Monitor and enhance performance across network infrastructure Install and maintain firewalls - Palo Alto, Cisco ASA (AnyConnect), FortiGate Manage VPNs, IPSEC tunnels, and certificate-based authentication Contribute to AD design and secure environment management Mentor junior staff and act as a key escalation point Participate in incident response and root cause … of TCP/IP, VLAN, VXLAN, EVPN, VPC, MLAG Deep experience with BGP, OSPF, EIGRP routing protocols Firewall configuration experience: Palo Alto, Cisco ASA, FortiGate VPN setup and support (IPSEC, remote access) Familiarity with Wireshark, SNMP, and monitoring tools Cross-platform support (Windows, Linux, macOS) Microsoft Active Directory design and maintenance experience Strong documentation, communication, and team leadership skills Desirable More ❯
Birmingham, West Midlands, Marston Green, West Midlands (County), United Kingdom
Applause IT Recruitment Ltd
and Layer 3 networking issues Document network topologies and configurations Monitor and enhance performance across network infrastructure Install and maintain firewalls - Palo Alto, Cisco ASA (AnyConnect), FortiGate Manage VPNs, IPSEC tunnels, and certificate-based authentication Contribute to AD design and secure environment management Mentor junior staff and act as a key escalation point Participate in incident response and root cause … of TCP/IP, VLAN, VXLAN, EVPN, VPC, MLAG Deep experience with BGP, OSPF, EIGRP routing protocols Firewall configuration experience: Palo Alto, Cisco ASA, FortiGate VPN setup and support (IPSEC, remote access) Familiarity with Wireshark, SNMP, and monitoring tools Cross-platform support (Windows, Linux, macOS) Microsoft Active Directory design and maintenance experience Strong documentation, communication, and team leadership skills Desirable More ❯
City of London, London, United Kingdom Hybrid / WFH Options
83zero Limited
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 experience. Understanding of public/private cloud architecture. More ❯
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 experience. Understanding of public/private cloud architecture. More ❯
london, south east england, united kingdom Hybrid / WFH Options
83zero
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 experience. Understanding of public/private cloud architecture. More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
83zero
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 experience. Understanding of public/private cloud architecture. More ❯
slough, south east england, united kingdom Hybrid / WFH Options
83zero
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 experience. Understanding of public/private cloud architecture. More ❯
tight timelines in a fast paced and dynamic environment Core skills required Automation: Python/Ansible Cisco Certifications Extensive knowledge of routing and switching protocols Unicast: OSPF, BGP, NAT, IPSEC and GRE, VRF’s Experience with cloud-based solutions: AWS, GCP Cloud services - Desirable CCIE - Highly Desirable Sells The chance to work with the most cutting-edge technology in the More ❯
