addressing, subnets, VLANs, NAT, DNS, DHCP. Configuration and deployment of firewalls (e.g., Cisco ASA, Fortinet, Ubiquiti), including site-to-site VPNs, remote access VPNs, and secure segmentation. DNS and SSL/TLS certificate management. Ability to engage with clients during scoping calls, solution workshops, and technical reviews. Experience creating proposals, high-level designs (HLD), low-level designs (LLD), and cost More ❯
Redhill, Surrey, United Kingdom Hybrid / WFH Options
Citysprint UK Ltd
Experience in scripting languages (Bash, Python, Ansible, Terraform, Powershell etc.). Knowledge of JavaScript (Node.JS) and/or Go. Experience with Azure Resource Manager Template. Experience of securely managing SSL Certificates lifecycles (automation, renewal, bindings etc). Experience of authentication technologies (LDAP, EntraID, Azure B2C etc). A willingness to learn and contribute to the team. Strong communication, planning and More ❯
in Network Security, Infrastructure, Operating Systems, and Applications. Proficient in IT Security best practices. Strong understanding of the OSI Reference Model and network communication protocols (DNS, HTTP/S, SSL, SMTP, FTP/S, LDAP/S). Experienced with Security Information Event Monitoring Tools and Network Packet Capture tools. Hands-on experience with IDS/IPS technologies and threat More ❯
Employment Type: Contract
Rate: £45.00 - £85.00/hour In IR35 (PAYE & Umbrella) available
deploying and operating infrastructure in at least one public cloud provider (AWS, GCP, or Azure) Experience managing PKI/X.509 certificate infrastructure. Extensive experience supporting and implementing TLS/SSL certificate management systems Proficient with Token-based authentication services, Perfect Forward Security (PFS), Apache, Nginx, HAProxy Solid knowledge of Linux security and system operations. Benefits Roku is committed to offering More ❯
practices for network technologies Knowledge of routing protocols such as BGP, OSPF, and EIGRP Familiarity with switching protocols like STP, VLANs, and Trunking Awareness of security protocols including IPsec, SSL/TLS, and AAA (RADIUS, TACACS+) Understanding of application layer protocols such as HTTP, DNS, and DHCP Experience with network devices from vendors like Cisco, Juniper, Arista, etc. Knowledge of More ❯
in Network Security, Infrastructure, Operating Systems, and Applications. Proficient in IT Security best practices. Strong understanding of the OSI Reference Model and network communication protocols (DNS, HTTP/S, SSL, SMTP, FTP/S, LDAP/S). Knowledgeable in Defensive Cyber-attack methodologies and frameworks. Understanding of Malware capabilities, attack vectors, propagation, and impact. Excellent communication skills for liaising More ❯
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Transaction Network Services
and experience of networking protocols such as L3VPNs, HSRP, NAT, EIGRP, BGP, IS-IS and OSPF (minimum 3 years experience) Familiar with other communications protocols, specifically TPAD APACS, ISO8583, SSL, and SDLC/HDLC Solid understanding of, and working experience with Linux Solid understanding of, and working experience with, network/application level packet capture and trace analysis to solve More ❯
Basingstoke, Hampshire, United Kingdom Hybrid / WFH Options
83zero Ltd
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 Defender XDR More ❯
Glasgow, Lanarkshire, Scotland, United Kingdom Hybrid / WFH Options
McGregor Boyall Associates Limited
in collaboration with operations and infrastructure teams What We're Looking For: Required: Solid Java development experience Strong understanding of Linux/Unix systems, networking (TCP/IP, HTTP, SSL), and OS concepts Excellent communication and documentation skills Passion for automation and scalable infrastructure Desired: Python, Bash, Perl or JavaScript (Angular) experience Familiarity with CI/CD tools such as More ❯
virtual server environments. Good knowledge of Windows Server 2016 and 2022. Good knowledge of virtualised environments (e.g. VMware, Azure). Proficient in Computer Networks: LAN, VLAN’s, WAN, IPSec, SSL, Route based tunnels, Wi-Fi, DHCP and DNS. Desirable: Industry certifications (e.g. CCNA, Microsoft/MCSE, VMware) (desirable). Knowledge of system validation and audit processes e.g. GCP/GXP More ❯
virtual server environments. Good knowledge of Windows Server 2016 and 2022. Good knowledge of virtualised environments (e.g. VMware, Azure). Proficient in Computer Networks: LAN, VLAN’s, WAN, IPSec, SSL, Route based tunnels, Wi-Fi, DHCP and DNS. Desirable: Industry certifications (e.g. CCNA, Microsoft/MCSE, VMware) (desirable). Knowledge of system validation and audit processes e.g. GCP/GXP More ❯
virtual server environments. Good knowledge of Windows Server 2016 and 2022. Good knowledge of virtualised environments (e.g. VMware, Azure). Proficient in Computer Networks: LAN, VLAN’s, WAN, IPSec, SSL, Route based tunnels, Wi-Fi, DHCP and DNS. Desirable: Industry certifications (e.g. CCNA, Microsoft/MCSE, VMware) (desirable). Knowledge of system validation and audit processes e.g. GCP/GXP More ❯
virtual server environments. Good knowledge of Windows Server 2016 and 2022. Good knowledge of virtualised environments (e.g. VMware, Azure). Proficient in Computer Networks: LAN, VLAN’s, WAN, IPSec, SSL, Route based tunnels, Wi-Fi, DHCP and DNS. Desirable: Industry certifications (e.g. CCNA, Microsoft/MCSE, VMware) (desirable). Knowledge of system validation and audit processes e.g. GCP/GXP More ❯
virtual server environments. Good knowledge of Windows Server 2016 and 2022. Good knowledge of virtualised environments (e.g. VMware, Azure). Proficient in Computer Networks: LAN, VLAN’s, WAN, IPSec, SSL, Route based tunnels, Wi-Fi, DHCP and DNS. Desirable: Industry certifications (e.g. CCNA, Microsoft/MCSE, VMware) (desirable). Knowledge of system validation and audit processes e.g. GCP/GXP More ❯
virtual server environments. Good knowledge of Windows Server 2016 and 2022. Good knowledge of virtualised environments (e.g. VMware, Azure). Proficient in Computer Networks: LAN, VLAN’s, WAN, IPSec, SSL, Route based tunnels, Wi-Fi, DHCP and DNS. Desirable: Industry certifications (e.g. CCNA, Microsoft/MCSE, VMware) (desirable). Knowledge of system validation and audit processes e.g. GCP/GXP More ❯
virtual server environments. Good knowledge of Windows Server 2016 and 2022. Good knowledge of virtualised environments (e.g. VMware, Azure). Proficient in Computer Networks: LAN, VLAN’s, WAN, IPSec, SSL, Route based tunnels, Wi-Fi, DHCP and DNS. Desirable: Industry certifications (e.g. CCNA, Microsoft/MCSE, VMware) (desirable). Knowledge of system validation and audit processes e.g. GCP/GXP More ❯
virtual server environments. Good knowledge of Windows Server 2016 and 2022. Good knowledge of virtualised environments (e.g. VMware, Azure). Proficient in Computer Networks: LAN, VLAN’s, WAN, IPSec, SSL, Route based tunnels, Wi-Fi, DHCP and DNS. Desirable: Industry certifications (e.g. CCNA, Microsoft/MCSE, VMware) (desirable). Knowledge of system validation and audit processes e.g. GCP/GXP More ❯
Liverpool, Lancashire, United Kingdom Hybrid / WFH Options
Techwaka
IDS/IPS, firewalls, endpoint protection Expertise in Azure security and securing cloud platforms A solid understanding of vulnerabilities, penetration testing, and compliance Experience with network security, encryption, TLS, SSL, and security monitoring tools MUST have the Right to work in the UK i.e. British Citizen, ILR status or Settled status - No sponsorships offered/PSW visas are not considered More ❯
years of experience in any of the following areas: Technical Support Information Security QA (Security/Network products) Cloud Services Knowledge of networking (e.g. TCP/IP, routing protocols, SSL/TLS, load balancing, proxies, reverse proxies, DNS, caching, BGP) Proven problem solving skills with a strong sense of customer commitment Prior experience with web servers (Nginx, IIS and more More ❯
knowledge of Cisco networking solutions including all the major switching families and understanding of Wireless Technologies and Cisco IPT/QoS/802.1x/Inflobox DNS, VPN Technologies (ipsec, SSL VPN, DMVPN and Wide Area network technologies including routing protocols. For more info, Please reach me at shyam@Lsarecruit.co.uk for further discussions More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Lorien
Splunk, Prometheus, Grafana, or SolarWinds Confident supporting both Windows and Linux operating systems Experience working in ITIL-aligned support environments Understanding of web hosting technologies (DNS, HTTP/S, SSL Certs, and basic networking) Clear, confident communicator with strong stakeholder management skills Knowledge of AWS or cloud platforms is a bonus The Benefits: £35,000-45,000 base salary Company More ❯
Cisco Cloud Calling (Jabber/Webex Cloud) software setup and troubleshooting. Strong understanding of Microsoft Windows OS, MS Office Products, and MS Intune. Familiarity with Active Directory, Zscaler, and SSL VPN technologies. Fluency in English and ability to speak Spanish or Italian. Additional Skills & Qualifications Experience with Apple desktop operating systems. Capability in browser favorites export/import. Ability to More ❯