451 to 475 of 1,046 DNS Jobs in the UK

industry certifications. What we are looking for You should have: A good understanding of core networking principles, including IP addressing, subnetting, routing, switching, VLANs, DNS and DHCP. A theoretical understanding of routing protocols such as BGP and OSPF. An interest in internet infrastructure, telecommunications or service-provider networking. A practical ...

Monitor, ELK stack), including hands-on troubleshooting with log analysis and stack traces using Datadog APM. Familiarity with networking fundamentals: firewalls, load balancers, VPNs, DNS, and routing. Experience with automation and scripting (PowerShell, Python, or similar). Practical understanding of backup, redundancy, and disaster recovery strategies in cloud environments, including ...

CASBDeep understanding of: Zero Trust frameworks (NIST 800-207, SASE, SSE)Identity and access management (Azure AD, Okta, Ping)Modern network design (SD-WAN, DNS security, routing fundamentals)Endpoint security (EDR/XDR, device posture assessment)Soft SkillsStrong communication and stakeholder management skills. Ability to translate complex security concepts into ...

trust. We protect the digital world by ensuring the security, privacy, and authenticity of every interaction. Our AI-powered DigiCert ONE platform unifies PKI, DNS, and certificate lifecycle management, to secure infrastructure, software, devices, messages, AI content and agents. Learn why more than 100,000 organizations, including ...

protect the digital world by ensuring the security, privacy, and authenticity of every interaction. Our AI-powered the company ONE platform unifies PKI, DNS, and certificate lifecycle management, to secure infrastructure, software, devices, messages, AI content and agents. Learn why more than 100,000 organizations, including 90% of the Fortune ...

analyze, troubleshoot and reproduce issues effectively using log files and sample data. A demonstrable understanding of computer networking; in particular: internet technologies such as DNS, NTP, HTTPS, SSL certificates the supporting OSI stack - TCP/IP, Ethernet, routing and switching implementing, integrating and debugging networks proxy and firewall technology ...

payment security principles, practical knowledge of cryptography as applied in payment systems, understanding of networking fundamentals and communication protocols, including TCP/IP, DNS, routing, NAT, VLANs, firewalls, VPNs, IPSec, TLS. Consulting and Delivery Skills ability to advise customers on selecting appropriate payment solutions aligned with their business models ...

build process as well as solve problems. Strong networking fundamentals and hands-on operational experience: routing and switching, segmentation, firewalls, VPN, enterprise wireless, DNS/DHCP/IPAM and TLS/PKI, with confident packet-level troubleshooting. Excellent structured troubleshooting: you can take an ambiguous "it's slow" report, isolate ...

second, alongside practical experience with on-premises and private cloud infrastructure. Strong grounding in hybrid networking: dedicated interconnects, transit and routing design, DNS, private service endpoints, and hybrid identity and federation models. Experience designing data architecture across environments, including storage tiering, replication and caching strategies, and the residency and sovereignty ...

server estate. Support security operations teams with endpoint protection and monitoring requirements. Install, configure, administer and maintain Windows Server environments. Manage Active Directory, DNS, DHCP, Group Policy and certificate services. Perform server patching, upgrades, security hardening and lifecycle management. Troubleshoot operating system, application and infrastructure issues. Install, configure, administer … security hardening activities. Troubleshoot operating system, application, and networking issues. Configure and troubleshoot TCP/IP networking in on-premises and Azure environments. Support DNS, routing, firewalls, load balancers, VPNs and proxy services. Troubleshoot connectivity issues affecting Azure Arc, Azure Monitor Agent, and XDR agent communications. Support Azure networking technologies ...

server estate. Support security operations teams with endpoint protection and monitoring requirements. Install, configure, administer and maintain Windows Server environments. Manage Active Directory, DNS, DHCP, Group Policy and certificate services. Perform server patching, upgrades, security hardening and lifecycle management. Troubleshoot operating system, application and infrastructure issues. Install, configure, administer … security hardening activities. Troubleshoot operating system, application, and networking issues. Configure and troubleshoot TCP/IP networking in on-premises and Azure environments. Support DNS, routing, firewalls, load balancers, VPNs and proxy services. Troubleshoot connectivity issues affecting Azure Arc, Azure Monitor Agent, and XDR agent communications. Support Azure networking technologies ...

Well-Architected Framework and operational support standards. Design and deploy Windows Server platforms and core directory services, including Active Directory Domain Services, Group Policy, DNS, DHCP, certificate services, and hybrid identity through Entra Connect. Design and deploy resilient compute and storage platforms, including failover clustering, high availability, shared and software … delivering infrastructure solutions in consultancy, managed service, or enterprise environments. Strong hands-on experience with Windows Server, including Active Directory Domain Services, Group Policy, DNS, DHCP, certificate services, and file and storage services. Demonstrable experience implementing and supporting enterprise virtualisation platforms and services, both on premise and as a cloud ...

moves and AV deployments Manage Windows Server, VMware vSphere/ESXi and NetApp storage Support networking and security across firewalls, VPNs, VLANs, Wi-Fi, DNS and DHCP Administer and support Active Directory, Entra ID, Microsoft 365, Exchange Online, Intune and Autopilot Administer Mimecast and support email security, mail flow … Intune, including policy, compliance and device management Exchange Online and strong understanding of email security and mail flow Windows Server administration including Group Policy, DNS and DHCP Networking experience across firewalls, VPNs, VLANs and Wi-Fi PowerShell scripting or automation experience Manage NetApp storage Strong communication skills with the ability ...

across Microsoft 365, Microsoft Entra ID (Azure AD), Active Directory and Google Workspace. Monitor and troubleshoot networking issues including VPN connectivity, TCP/IP, DNS, DHCP and VLANs. Maintain IT asset registers, hardware inventory and documentation. Support backups, security updates and system maintenance. Help improve IT processes, documentation … Infrastructure Support role. Experience supporting Microsoft 365, Microsoft Entra ID (Azure AD) and Active Directory. Good understanding of networking fundamentals including TCP/IP, DNS, DHCP, VPNs and VLANs. Experience supporting Windows desktop environments and business IT infrastructure. Strong problem-solving skills with excellent communication and customer service. Ability ...

Systems Engineers of IT Operations. Job Functions Candidate MUST have strong Power Shell scripting experience as well as operational responsibility over the Active Directory, DNS, DHCP and PKI services. Strong Azure Iaas + PaaS and Office 365/Exchange Online experience. Install and maintain hardware and software on a virtualized … Automation Experience.(PowerShell/Scripts/Terraform) At least 5 years of advanced level Active Directory experience. Knowledge of AKS, Kerberos, LDAP, Active Directory, DNS, DHCP. Experience with implementation of backup/restore and disaster and recovery strategies. Strong familiarity with security issues surrounding network computing and experience in implementation ...

great fit for you. Job Functions Candidate MUST have strong Power Shell scripting experience as well as operational responsibility over the Active Directory, DNS, DHCP and PKI services. Strong Azure Iaas + PaaS and Office 365/Exchange Online experience. Install and maintain hardware and software on a virtualized Windows … Automation Experience.(PowerShell/Scripts/Terraform) At least 5 years of advanced level Active Directory experience. Knowledge of AKS, Kerberos, LDAP, Active Directory, DNS, DHCP. Experience with implementation of backup/restore and disaster and recovery strategies. Strong familiarity with security issues surrounding network computing and experience in implementation ...

Infrastructure Support or Operational role Relevant technical knowledge and experience of supporting and managing Enterprise Information Technologies, specifically Active Directory, Networking (LAN, WAN, DHCP, DNS), Operating Systems (Windows, Linux), Server/Application Virtualisation (VMWare), Azure/M365 services Good scripting language skills from using tools such as PowerShell Demonstrable knowledge … maintaining and administering Intune (Autopilot, Intune policies and configuration) and other Azure admin center and services (Teams, Defender etc.) Networking (working knowledge of DHCP, DNS, LAN/WAN technologies) Powershell Virtualisation (VMware ESXi 8.x/9.x) DigiCert One Certificate Lifecycle Management Maintaining/updating hardware inc. ESX hosts and Cisco ...

PowerShell – Scripting and automation for administration and operational tasks. VMware vSphere – Administration of enterprise virtual environments. Hyper-V advantageous. Active Directory – Administration of AD, DNS, DHCP and Group Policy. Server Security – Patching, OS upgrades, security hardening and vulnerability remediation. Infrastructure Support – Troubleshooting business-critical enterprise infrastructure. Desirable: Microsoft Azure, MECM … Infrastructure as Code (IaC) and Linux. Responsibilities Server Infrastructure: Build, configure, deploy, maintain and retire Windows servers. Microsoft & Virtualisation: Manage Windows Server, Active Directory, DNS, DHCP, Group Policy and VMware vSphere. Automation & Improvement: Develop PowerShell scripts to automate tasks and improve efficiency. Troubleshooting & Security: Resolve infrastructure issues and deliver patching ...

support for Windows Server, AD, Azure AD (Entra ID) and Group Policy Assist with Azure services, virtual machines and cloud infrastructure Support core networking: DNS, DHCP, VPNs, Wi-Fi, switches, firewalls Perform patching, monitoring, backups and restores Contribute to upgrades, migrations and infrastructure improvement projects Apply security best practice across … Solid Windows Server and virtualisation experience (VMware, Hyper-V or Azure) Working knowledge of Azure infrastructure services Good networking fundamentals: TCP/IP, DNS, DHCP, VLANs, VPNs, switching, Wi-Fi Experience with endpoint management/patching (Intune or similar) Confident troubleshooting across desktop, server, network and cloud Clear communicator with ...

Server, Linux and Microsoft Azure services, including identity and access-management components. Manage VMware vSphere, ESXi and vCenter environments. Support core infrastructure services including DNS, DHCP, backup, disaster recovery and monitoring. Manage server patching, upgrades, lifecycle replacement and capacity planning. Troubleshoot and resolve infrastructure incidents, problems and service requests. Maintain … managing virtualised environments using VMware vSphere, ESXi, and vCenter. Knowledge of server and storage hardware technologies. Strong understanding of core networking services, including DNS, DHCP, TCP/IP, firewalls and VPN connectivity. Proven experience supporting enterprise IT infrastructure, including servers, storage, networking and cloud services. Experience with backup, disaster recovery ...

security findings. Core Infrastructure SME Provide technical leadership across enterprise infrastructure including: Windows Server Linux/UNIX VMware/Hyper-V virtualisation Active Directory DNS/DHCP Storage platforms (SAN/NAS) Enterprise backup and recovery Middleware and supporting infrastructure Cloud platforms (Azure, AWS) Network infrastructure supporting core services Infrastructure … regulated environments. Deep knowledge of Windows Server and Linux administration. Experience with VMware, Hyper-V, and enterprise virtualisation technologies. Strong understanding of Active Directory, DNS, DHCP, PKI, and identity infrastructure. Experience with storage, backup, disaster recovery, and high-availability solutions. Infrastructure Security Extensive experience delivering enterprise security patching programmes. Strong ...

Entra ID and Active Directory, including enterprise applications, app registrations, certificates, secrets, SSO, RBAC and access reviews. Support enterprise networking and connectivity - firewalls, switching, DNS, DHCP, VPN, Wi-Fi, circuits and monitoring - diagnosing faults and delivering controlled infrastructure changes. Deliver endpoint and device-management improvements using Intune, Autopilot and Windows … cross-team action is required. Technology exposure Core infrastructure Windows Server, VMware/vSphere/vCenter, storage/SAN, backup and recovery, Active Directory, DNS, DHCP and certificate services Microsoft cloud Microsoft 365, Exchange Online, Entra ID, Azure, Teams, Intune, Autopilot, enterprise applications and Microsoft Graph Network & security Firewalls, switching ...

experience with Cisco routers, switches, firewalls and wireless access points. Knowledge of Transmission Control Protocol/Internet Protocol, Dynamic Host Configuration Protocol, Domain Name System, Access Control Lists and other network-enabling technologies. Experience working within an Information Technology Infrastructure Library environment. Eligibility to obtain Developed Vetting clearance. It would ...

control.* Hands on experience in COTS IP network equipment (particularly Cisco), virtual environment software and server software, for example Windows server and Active Directory, DNS, DHCP.* Understanding of network security concepts.Desirable: * Experience in the use of Model Based Systems Engineering methodology.* Experience in COTS virtual environment backup, network management ...

such as Terraform, Ansible, or Kubernetes Config Connector (KCC). Networking & Protocols: Knowledge of core systems and networking concepts (TCP/IP, UDP, HTTP, DNS, load balancing, and messaging protocols). AI & Agentic Engineering: Forward-thinking approach to automation, leveraging Generative AI and Agents (e.g., Gemini) to optimize platform operations. ...