126 to 150 of 234 DNS Jobs in London

or IT infrastructure security roles. Certifications (Preferred): CompTIA Security+, CEH, OSCP, CISSP, CCSP, Azure/AWS security certifications. Skills & Competencies Strong knowledge of network security (TCP/IP, VPNs, DNS, firewalls). Experience with SIEM tools (e.g., Splunk, Sentinel, QRadar) and EDR platforms. Familiarity with scripting or automation (PowerShell, Python, Bash). Understanding of secure cloud architecture and Zero Trust More ❯

or IT infrastructure security roles. Certifications (Preferred): CompTIA Security+, CEH, OSCP, CISSP, CCSP, Azure/AWS security certifications. Skills & Competencies Strong knowledge of network security (TCP/IP, VPNs, DNS, firewalls). Experience with SIEM tools (e.g., Splunk, Sentinel, QRadar) and EDR platforms. Familiarity with scripting or automation (PowerShell, Python, Bash). Understanding of secure cloud architecture and Zero Trust More ❯

knowledge and support team development. What You'll Bring: Strong experience with Azure Virtual Desktop (AVD) + Nerdio and/or Citrix. Deep knowledge of Azure (Entra, Networking, Firewall, DNS). CI/CD pipelines (ideally Azure DevOps) and IaC (Terraform preferred). PowerShell scripting expertise. Intune MDM and configuration profile experience. RSAT tools, Active Directory, and GPO familiarity. Application More ❯

technical support when required Stay current with emerging threats and technology developments What we’re looking for Proven experience in large-scale enterprise networking (LAN/WAN, routing, IP, DNS) Strong background in firewall administration (Check Point, Fortinet, Palo Alto, Cisco ASA/FTD) Hands-on experience troubleshooting complex multi-site network issues Professional certifications such as CCNA/CCNP More ❯

security compliance standards Essential Skills & Experience: Proven experience working with A10 Networks (Thunder ADC, CGNAT, SSL Insight) In-depth understanding of networking protocols TCP/IP, HTTP/S, DNS, SSL/TLS, BGP, OSPF Experience with load balancing, application delivery, and traffic optimisation Active SC (Security Check) or DV (Developed Vetting) clearance is essential More ❯

security compliance standards Essential Skills & Experience: Proven experience working with A10 Networks (Thunder ADC, CGNAT, SSL Insight) In-depth understanding of networking protocols – TCP/IP, HTTP/S, DNS, SSL/TLS, BGP, OSPF Experience with load balancing, application delivery, and traffic optimisation Active SC (Security Check) or DV (Developed Vetting) clearance is essential More ❯

security compliance standards Essential Skills & Experience: Proven experience working with A10 Networks (Thunder ADC, CGNAT, SSL Insight) In-depth understanding of networking protocols – TCP/IP, HTTP/S, DNS, SSL/TLS, BGP, OSPF Experience with load balancing, application delivery, and traffic optimisation Active SC (Security Check) or DV (Developed Vetting) clearance is essential More ❯

Windows Desktop (10,11): Install, configure, and troubleshoot issues. Microsoft 365 : Basic understanding and troubleshooting of Microsoft 365 software. Networking : Understanding and troubleshooting of networking, IP addresses, MAC addresses, DNS, internet connection issues, Wi-Fi issues, and firewall configuration. Printers : Understanding of printer errors, configurations, and reinstalling drivers. Project Installations : Installation of desktops, laptops, workstations, monitors, printers, routers, firewalls, switches More ❯

have proven experience providing end-user IT support within a professional or corporate environment.* Strong knowledge of Windows 10/11, Office 365, Active Directory, and basic networking principles (DNS, DHCP, TCP/IP).* Familiarity with remote support tools and ticketing systems such as ServiceNow or Jira.* Excellent communication and interpersonal skills with a customer-focused mindset.* Ability to More ❯

We re Looking For Some experience in IT support, helpdesk, or technical services (professional or academic). Good understanding of Windows operating systems and Office 365. Basic networking knowledge (DNS, DHCP, Wi-Fi setup, etc.). Excellent communication and problem-solving skills. Proactive, organised, and eager to learn. What s on Offer Full training and support to help you develop More ❯

and security remediation strategies • Experience with SIEM technologies, EDR technologies, and/or Asset isolation tools • Experience with cloud environment • Networking experience (including the OSI Model, TCP/IP, DNS, HTTP, SMTP), System Administration, and Security Architecture • Knowledge or certification of Crowdstrike, Darktrace, Sentinel is a plus • Experience with scripting and automation (Python, Powershell, Bash, KQL etc) • Financial services sector More ❯

Experience of working in a customer facing role. Endpoint Management: SCCM, Intune, Autopilot, MDT, etc. Operating System: Extensive knowledge of Windows 10 and Windows 11. Networking: TCP/IP, DNS, DHCP, LAN/VLAN/WAN. Programming: PowerShell , Batch, VBScript etc. Good research, problem-solving and communication skills. Is this of interest? If so, apply now with an up-to More ❯

Experience of working in a customer facing role. Endpoint Management: SCCM, Intune, Autopilot, MDT, etc. Operating System: Extensive knowledge of Windows 10 and Windows 11. Networking: TCP/IP, DNS, DHCP, LAN/VLAN/WAN. Programming: PowerShell , Batch, VBScript etc. Good research, problem-solving and communication skills. Is this of interest? If so, apply now with an up-to More ❯

Experience with scripting languages such as Python and Bash for automation tasks Ability to devise complex SQL database queries and updates Basic networking knowledge, including multicast, TCP/IP, DNS, DHCP and common network troubleshooting tools The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and More ❯

Experience with scripting languages such as Python and Bash for automation tasks Ability to devise complex SQL database queries and updates Basic networking knowledge, including multicast, TCP/IP, DNS, DHCP and common network troubleshooting tools The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and More ❯

Experience with scripting languages such as Python and Bash for automation tasks Ability to devise complex SQL database queries and updates Basic networking knowledge, including multicast, TCP/IP, DNS, DHCP and common network troubleshooting tools The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and More ❯

Experience with scripting languages such as Python and Bash for automation tasks Ability to devise complex SQL database queries and updates Basic networking knowledge, including multicast, TCP/IP, DNS, DHCP and common network troubleshooting tools The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and More ❯

level - security groups, administration/deployment, LDAP Know-how of Citrix XenApps Administration, Maintenance and Support of existing Citrix XenApps server farm (desired) Networking - design/troubleshoot/installation (DNS DHCP VLAN Proxy Understanding - TCP/IP and OSI) to a moderate to advance level Forward thinking mind set and ability to adapt to a continuously improved IT environment and More ❯

working with Fortinet firewalls in a network transformation programme. Experience writing High and Low-Level Designs for customer consumption. Experience with Palo Alto SASE technology. A working understanding of DNS and DHCP protocols. Key Role Attributes: Ability to work effectively within a cross-functional team. Strong communication skills, with the ability to explain technical solutions to non-technical stakeholders. Analytical More ❯

working with Fortinet firewalls in a network transformation programme. Experience writing High and Low-Level Designs for customer consumption. Experience with Palo Alto SASE technology. A working understanding of DNS and DHCP protocols. Key Role Attributes: Ability to work effectively within a cross-functional team. Strong communication skills, with the ability to explain technical solutions to non-technical stakeholders. Analytical More ❯

working with Fortinet firewalls in a network transformation programme. Experience writing High and Low-Level Designs for customer consumption. Experience with Palo Alto SASE technology. A working understanding of DNS and DHCP protocols. Key Role Attributes: Ability to work effectively within a cross-functional team. Strong communication skills, with the ability to explain technical solutions to non-technical stakeholders. Analytical More ❯

working with Fortinet firewalls in a network transformation programme. Experience writing High and Low-Level Designs for customer consumption. Experience with Palo Alto SASE technology. A working understanding of DNS and DHCP protocols. Key Role Attributes: Ability to work effectively within a cross-functional team. Strong communication skills, with the ability to explain technical solutions to non-technical stakeholders. Analytical More ❯

at least 1 object orientated language preferably (Python) Has familiarity with document store databases (Elastic Search) Familiarity with containerisation platforms (Docker) Understands the IP stack and different connection protocols. (DNS, SSL, TCP, UDP) Core knowledge of data science techniques for analysing data. And comfortable working with statistical measures Desirable Qualifications Any experience with Machine learning techniques. Experience with Jira work More ❯

Microsoft Exchange Online and Exchange Server 2016/2019/SE , including configuration, administration, troubleshooting, and version upgrades. Practical experience managing email security and continuity platforms Working knowledge of DNS, SPF, DKIM, and DMARC configuration and management, ideally using tools such as Valimail . Strong understanding of Intune for BYOD and corporate device management , Demonstrated ability to identify, design, and More ❯

Software support - installation & deployment. IP Telephone support. Antivirus & Anti-Spam support. Network Printer support. Basic Networking - Network Connectivity, Domian Controllers, Internet Access, Email, etc. Basic Networking - TCP/IP, DNS, VLAN, VPN, SSL & IPSec, Switches, Routers, Wi-Fi Aps. Basic Understanding - issues involved in administering & maintaining, LAN & Wireless Network, Firewalls etc. Good organizational skills, combined with a proactive approach. Excellent More ❯