22 of 22 DNS Jobs in the City of London

Zero Trust principles and organisational standards Provide technical leadership, escalation support, and operational oversight for core enterprise infrastructure, including VMware, Windows Server, Active Directory, DNS, and DHCP Drive infrastructure design, capacity planning, performance optimisation, root cause analysis, and continuous service improvement Participate in an on-call rota and collaborate across ...

DevOps, GitLab, Jenkins, Ansible or Terraform Scripting for automation and data extraction: Python, Bash and/or PowerShell Core networking concepts: firewalls, ports, proxies, DNS and TLS Strong knowledge of Agentic AI technologies and autonomous operations principles Certifications Hold at least one Dynatrace certification appropriate to the level ...

DevOps, GitLab, Jenkins, Ansible or Terraform Scripting for automation and data extraction: Python, Bash and/or PowerShell Core networking concepts: firewalls, ports, proxies, DNS and TLS Strong knowledge of Agentic AI technologies and autonomous operations principles Certifications Hold at least one Dynatrace certification appropriate to the level ...

Microsoft 365, Outlook, Teams, and Office applications. Basic understanding of Active Directory and user account administrations. Knowledge of networking fundamentals including TCP/IP, DNS, DHCP, and VPN. Experience with desktop hardware, laptops, printers, and mobile devices. ...

/Developer level including writing and troubleshooting SQL Code including performance issues - SQL Server/Oracle. General Networking/Infrastructure Troubleshooting and Diagnostics - DNS, DHCP, TCP/IP, Firewalls Good understanding/operational experience of ITIL methodology with any certifications beneficial. Ability work well under pressure in a vibrant ...

protocol, including complex debugging of FIX sessions and message flowsStrong experience supporting and troubleshooting Windows Server environmentsAdvanced experience in troubleshooting network problems: firewalls, routing, DNS, load balancers, and connectivity issuesWorking knowledge of multiple buy-side or sell-side Order Management SystemsStrong understanding of international equity market mechanics, flows, and settlement ...

complex debugging of FIX sessions and message flows Strong experience supporting and troubleshooting Windows Server environments Advanced experience in troubleshooting network problems: firewalls, routing, DNS, load balancers, and connectivity issues Working knowledge of multiple buy-side or sell-side Order Management Systems Strong understanding of international equity market mechanics, flows ...

e.g., BrightSign, Scala, Appspace, Tripleplay) and content management systems (CMS). Network & IT Integration: -Strong understanding of TCP/IP networking, VLANs, QoS, DHCP, DNS, and network security principles. -Proficiency with Windows and macOS operating systems as they relate to AV endpoints. -Experience with remote management and monitoring (RMM) tools ...

/Developer level including writing and troubleshooting SQl Code including performance issues - SQL Server/Oracle. General Networking/Infrastructure Troubleshooting and Diagnostics - DNS, DHCP, TCP/IP, Firewalls Good understanding/operational experience of ITIL methodology with any certifications beneficial. Ability work well under pressure in a vibrant ...

guidance Skills & Experience Strong hands-on experience with Qualys VMDR Deep understanding of vulnerability management and asset discovery Strong networking knowledge (TCP/IP, DNS, firewalls, routing, VPNs) Experience working in large-scale enterprise environments Exposure to AWS, Azure or GCP is desirable Scripting and automation experience (Python, PowerShell, APIs ...

Gateway * Duo * Okta * Rapid7 IVM, Tenable IO or Nessus * Palo Alto Firewalls and Panorama * InTune and Conditional Access * Entra ID, Purview, Defender, Active Directory, DNS, GPO Experience - Desired Experience using the following technology stack would be advantageous; understanding the principles is required. * Cisco Secure Access * Cisco Umbrella * Cisco ASA * Digicert ...

Microsoft 365 administration. Windows and macOS endpoint management through MDM. Scripting with Python, PowerShell, Bash or Google Apps Script. Good knowledge of networking, DNS, VPCs and traffic security. A practical approach to cost, performance and reliability optimisation. Full right to work in the UK. Good written and spoken English. What ...

technologies. Networking & Infrastructure Strong understanding of AV over IP technologies including Dante, NDI, SDVoE and HDBaseT. Good understanding of TCP/IP, VLANs, DHCP, DNS and QoS as they relate to AV systems. Software & Management Platforms Experience using AV monitoring platforms such as Logitech Sync, Crestron XiO Cloud and Extron ...

Gateway Duo Okta Rapid7 IVM, Tenable IO or Nessus Palo Alto Firewalls and Panorama InTune and Conditional Access Entra ID, Purview, Defender, Active Directory, DNS, GPO Experience Desirable: Cisco Secure Access Cisco Umbrella Cisco ASA Digicert Certificates and Microsoft Certificate Services Ivanti patching Kali Linux (NMAP, Metasploit, BurpSuite, John ...

defining alerting standards and ensuring infrastructure reliability at scale Architecture & Design: Strong grasp of microservices architecture, cloud networking protocols (Layer 2/3, MPLS), DNS, load balancing, and traffic management, with the ability to contribute to and implement technical direction Version Control & Collaboration : Proficiency across version control systems (Git, GitHub ...

vendors, and carriers to expedite resolution. Conducts advanced data correlation and threat hunting across diverse sourcesnetwork traffic, email logs, malware samples, web server logs, DNS recordsto uncover stealthy threats and improve detection capabilities. Leads strategic security projects, mentors junior engineers, and contributes to the evolution of the organizations security posture ...

Role Overview: Identity & Application Integration Engineer will be responsible for the end-to-end migration and remediation of applications impacted by identity, directory, domain, DNS, certificate, or Single Sign-On (SSO) changes as part of the merger programme. Identity & Application Integration Engineer will act as the technical owner for assigned … applications, taking responsibility for understanding application architecture, authentication methods, permission models, DNS dependencies, certificate requirements, vendor relationships, and business impacts to support successful migration and remediation activities. Required Technical Skills: * Enterprise applications integrated with Active Directory or Microsoft Entra ID * Application authentication, authorisation, and access control models * Single Sign ...

lifecycle management. Design and implement CI/CD pipelines using GitOps, APIs, and orchestration platforms (e.g., Itential) for network services. Automate connectivity services (VLAN, DNS, Firewall, DDI) integrated with ServiceNow and ITSM workflows. Drive AI/ML use cases such as WAN capacity forecasting, anomaly detection, predictive analytics, and self …/Nautobot and ITSM integration (ServiceNow). Experience with observability tools such as SolarWinds, Grafana, Elastic, ThousandEyes, DNAC. Strong understanding of TCP/IP, DNS, DHCP, VPNs, QoS, and troubleshooting complex network issues. Experience with cloud networking in Azure and GCP environments. Exposure to AIOps, AI-driven operations, and observability ...

lifecycle management. Design and implement CI/CD pipelines using GitOps, APIs, and orchestration platforms (e.g., Itential) for network services. Automate connectivity services (VLAN, DNS, Firewall, DDI) integrated with ServiceNow and ITSM workflows. Drive AI/ML use cases such as WAN capacity forecasting, anomaly detection, predictive analytics, and self …/Nautobot and ITSM integration (ServiceNow). Experience with observability tools such as SolarWinds, Grafana, Elastic, ThousandEyes, DNAC. Strong understanding of TCP/IP, DNS, DHCP, VPNs, QoS, and troubleshooting complex network issues. Experience with cloud networking in Azure and GCP environments. Exposure to AIOps, AI-driven operations, and observability ...

lifecycle management. Design and implement CI/CD pipelines using GitOps, APIs, and orchestration platforms (e.g., Itential) for network services. Automate connectivity services (VLAN, DNS, Firewall, DDI) integrated with ServiceNow and ITSM workflows. Drive AI/ML use cases such as WAN capacity forecasting, anomaly detection, predictive analytics, and self …/Nautobot and ITSM integration (ServiceNow). Experience with observability tools such as SolarWinds, Grafana, Elastic, ThousandEyes, DNAC. Strong understanding of TCP/IP, DNS, DHCP, VPNs, QoS, and troubleshooting complex network issues. Experience with cloud networking in Azure and GCP environments. Exposure to AIOps, AI-driven operations, and observability ...

will require 3 days in the office per week. Role Overview: The Application Engineer will support application migration and remediation activities where identity, directory, DNS, or single sign on (SSO) changes impact application access. The role focuses on ensuring applications remain accessible, correctly permissioned, and aligned to new domain … Application authentication and access control models * Application re permissioning following identity, domain, or directory changes * SSO enabled applications using SAML 2.0 or OpenID Connect * DNS concepts including application related DNS records and dependencies * Active Directory users, groups, and permissions * Troubleshooting application authentication, access, and connectivity issues Required Experience: * Experience supporting ...

optimisation of enterprise DDI platforms. We're looking for a dedicated DDI specialist w i th extensive hands-on engineering experience across enterprise DNS, DHCP and IP Address Management (IPAM) platforms. This role will suit someone who has built, engineered, migrated and supported enterprise DDI environments, not someone whose DNS … firewall products. Key Responsibilities: Engineer, deploy and maintain enterprise DDI platforms, including Infoblox, Cygna Labs QIP and/or VitalQIP. Design and administer enterprise DNS, DHCP and IPAM services. Lead DDI platform migrations, upgrades and consolidation projects. Design and maintain IP address management structures, subnet allocation and governance Manage DHCP ...