1 to 25 of 351 DNS Jobs in London

recruiting for an experienced Technical Project Manager to lead the delivery of critical DNS infrastructure lifecycle projects for a major UK telecommunications organisation. This role requires a Project Manager with a strong understanding of enterprise DNS platforms and experience delivering complex network infrastructure projects within telecoms or ISP environments. … Responsibilities Lead the upgrade and lifecycle management of Authoritative DNS , DNS Cache and DNS Security platforms. Manage end-to-end project delivery, ensuring successful implementation of DNS infrastructure upgrades. Coordinate engineering, security, operations, architecture and third-party suppliers. Manage project governance, risks, dependencies, reporting and delivery milestones. Support the development ...

Experience supporting security or compliance programs and producing evidence for audits, assessments, or customer and regulatory requirements. Strong networking knowledge, including TCP/IP, DNS, DHCP, VLANs, routing, VPNs, network segmentation, firewall policy, and secure remote access. Experience with endpoint management platforms such as Intune, Jamf, or equivalent, including compliance ...

routers, wireless access points & controllers, including Cisco & Netgear networking technologies. Networking: Strong knowledge of VLANs, inter-VLAN routing, TCP/IP, IP addressing, Subnetting, DNS & DHCP. Wireless Networking: Configuration & troubleshooting of Wireless Networks, including access points, coverage, channel planning & authentication. Network Security: Smoothwall firewalls, firewall rules, NAT, VPNs, web/ ...

Domain Services. Microsoft Intune deployment and management (MDM/MAM). VMware and Microsoft Hyper‐V virtualisation technologies. Microsoft Windows Server administration, including ADDS, DNS, DHCP, Group Policy, NPS, and DFS. Exchange Online and on-premises Exchange migrations. SharePoint Online deployment and migration projects. Strong networking knowledge, including firewalls, switching ...

Sophos or similar platforms Basic understanding of virtualization technologies such as VMware or Hyper‐V Working knowledge of networking fundamentals, including TCP/IP, DNS, DHCP, LAN/WAN, VPN, routing, switching, wireless networking, and firewalls Strong written and verbal communication skills with the ability to communicate effectively with technical ...

engineering or advanced 2nd/3rd line role. Strong Microsoft 365, Intune and Entra ID administration experience. Strong networking knowledge, including TCP/IP, DNS, DHCP, VLANs and VPNs, with the ability to troubleshoot complex connectivity issues. Experience with enterprise switching and firewall platforms. Experience supporting Windows desktop and server ...

Active Directory, Group Policy and Microsoft 365. Strong troubleshooting skills across desktops, servers, networks and business applications. Good networking knowledge including TCP/IP, DNS, DHCP, Wi-Fi, VPN and Firewalls. Experience administering virtual environments, ideally Microsoft Hyper-V. Knowledge of backups, Disaster Recovery, endpoint security and access management. Experience ...

Active Directory, Group Policy and Microsoft 365. Strong troubleshooting skills across desktops, Servers, networks and business applications. Good networking knowledge including TCP/IP, DNS, DHCP, Wi-Fi, VPN and Firewalls. Experience administering virtual environments, ideally Microsoft Hyper-V. Knowledge of backups, Disaster Recovery, endpoint security and access management. Experience ...

Skills & Experience Required Proven experience delivering hands-on infrastructure projects within complex enterprise environments. Strong Windows Server engineering skills, including Active Directory, Group Policy, DNS, DHCP, DFS and server migrations. Experience working across VMware and/or Hyper-V virtualised environments. Experience delivering hybrid Microsoft 365 projects involving Entra ...

Azure and on-premises infrastructure. Support the migration of VMware workloads into Azure IaaS and Hyper‐V. Manage on-premises Windows Server, Active Directory, DNS, DHCP and Group Policy. Manage Azure networking including VNets, subnets, NSGs, firewalls and hybrid connectivity. Support Cisco networking, including switching, routing, VLANs and wireless. Develop ...

troubleshooting. LAN and WAN networking. Routing and switching technologies. VLANs. Spanning Tree Protocol (STP). TCP/IP networking. IP addressing and subnetting. DNS, DHCP and VPN technologies. Firewall administration and troubleshooting. Network monitoring and diagnostics. You should be comfortable discussing networking concepts in detail and able to confidently troubleshoot ...

Directory and Microsoft Entra ID. Microsoft Intune and Endpoint Management. Windows Desktop and Windows Server technologies. Azure fundamentals and hybrid environments. TCP/IP, DNS, DHCP and networking fundamentals. Enterprise Wi‐Fi and wireless networking. Firewalls, VPNs and remote access technologies. ITSM platforms, ticketing systems and RMM tools. Desirable Microsoft ...

e.g. Bloomberg terminals) Experience with Okta or similar identity providers Familiarity with ITIL practices or ticketing systems (e.g. JIRA Service Management) Basic networking knowledge (DNS, DHCP, TCP/IP, VPN) Practical use of AI tooling to work smarter — for example, using agentic AI assistants to read and interpret logs ...

including Exchange Online, Teams, SharePoint, Entra ID and Intune. Experience supporting Azure environments, Windows Server and Active Directory. Solid understanding of networking fundamentals including DNS, DHCP, TCP/IP and VPN technologies. Good understanding of endpoint management and IT security best practices. Experience working within ITIL-led service environments ...

desktop environments Microsoft Configuration Manager (MECM/ConfigMgr) Microsoft Intune/Endpoint Management Basic networking and infrastructure troubleshooting Experience with SQL Server, Citrix, DNS, Always On VPN, Managed File Transfer (MFT), FTPS/SFTP and enterprise backup solutions would also be beneficial. You’ll be a strong problem solver with ...

Virtualisation platforms (e.g. Azure Local, VMware, Hyper-V) Hyper Converged Infrastructure and Virtual Storage Attached Networking Networking and connectivity (e.g. TCP/IP, DNS, VPNs, proxies, load balancing) Enterprise Operating Systems and Databases (e.g. Windows Server, RedHat Enterprise Linux, Oracle DBEE, SQL Server) It would be advantageous that ...

Infrastructure Administer and support Active Directory, including users, groups, computers, organisational units, Group Policy and domain services. Monitor and troubleshoot domain controllers, replication, DNS, DHCP, authentication and Windows Server infrastructure. Support Active Directory Certificate Services and certificate lifecycle activities where required. Maintain and troubleshoot Group Policy while supporting the migration ...

Must Have 4+ years of IT infrastructure or systems administration experience. Strong knowledge of Windows and Linux environments. Experience with networking (TCP/IP, DNS, VPNs, firewalls). Experience managing servers, virtualization, and cloud infrastructure. Knowledge of Microsoft 365, Active Directory, and access management. Strong troubleshooting and problem-solving skills. ...

Infrastructure as Code Working experience with automation and provisioning tools (Chef, Terraform, Workato) Experience with Okta Working knowledge of SSH, Kerberos, Radius, SAML, BIND DNS (nsupdate, dnssec, stubs, delegation) and others. Preferred Certifications: Current Microsoft Certified Windows Server Hybrid Administrator Associate Current Microsoft Certified Azure Administrator Associate AWS Certified Solutions ...

Contact Center environment. Active Directory and Office 365 experience required. Windows server administration experience including configuration and management of federated Active Directory and Azure, DNS, DHCP, IIS, FTP and PKI. experience with Cisco network switches and security appliances, network infrastructure and cable plant management, CCNA/MCSE certifications preferred Experience ...

Desirable Experience supporting ISO 27001, Cyber Essentials, DSPT, DTAC, SOC 2 or comparable compliance frameworks. Scripting in PowerShell, Bash or Python. Working knowledge of DNS, DHCP, VPN and firewall fundamentals. Exposure to AWS, or a clear appetite to develop it. Jira administration or automation. Background in healthcare, fintech or another ...

work experience. 1-3 years of experience in IT support, system administration, or network operations. Knowledge of networking protocols and concepts (TCP/IP, DNS, DHCP, VPN, etc.). Familiarity with monitoring tools (e.g., SolarWinds, PRTG, New Relic). Basic troubleshooting skills for servers, operating systems (Windows/Linux ...

prevention systems. Deep knowledge of routing and switching technologies (e.g., Cisco, Aruba, Juniper, Meraki). Solid understanding of core networking protocols: TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, VPNs, NAT. Experience with hybrid cloud networking and cloud‐native network constructs (VPC/VNet design, routing, security groups, load balancers ...

AppLocker, Rubrik or equivalent technologies. Strong PowerShell skills, including the ability to write, troubleshoot and improve scripts. Solid networking fundamentals covering TCP/IP, DNS, DHCP, VLANs, wireless and VPN. Experience supporting senior stakeholders and demanding users in a fast‐paced environment. Strong troubleshooting, analytical and problem‐solving skills. Excellent ...

user lifecycle management, conditional access, and MFA. Knowledge of hardware components, peripherals, and troubleshooting techniques. Understanding of networking concepts such as TCP/IP, DNS, DHCP. Experience of Microsoft Intune/Endpoint Manager for device and application management. Working knowledge of Citrix virtual desktop technologies (CVAD/DaaS), including profile ...