23 of 23 Contract DNS Jobs in London

Technical Project Manager - DNS & Core Network InfrastructureCentral London/Hybrid (2 days office, 3 days home) | £450-500pd inside IR35 Are you an experienced Technical Project Manager with deep exposure to core network platforms and telecoms infrastructure? A leading, tier-1 UK telecommunications provider is seeking a proactive DNS … Lifecycle Project Manager to spearhead the upgrade, resilience and regulatory compliance of their national DNS environment. Sitting at the intersection of Core IP, Cybersecurity, and Network Operations, you will lead high-availability system upgrades across Authoritative DNS, Recursive DNS Cache and Essential Security platforms. Key Responsibilities: Platform Upgrades: Lead ...

with the ability to complete tasks independently and as part of a team. Change management experience. Desirable: Experience of Windows server administration – Active directory, DNS, IIS, Update Management, Performance troubleshooting through methods such as log analysis. Familiarity with security and compliance standards, e.g. Experience working in an ISO 27001 certified ...

solutions. Laptop imaging and deployments. Hardware IMAC activities. Mobile device support (iOS & Android). Meeting room and AV support. Printer support. Basic networking (DNS, DHCP, TCP/IP). ITIL-based service desk environments. We're Looking For Someone Who Is Customer-focused with excellent communication skills. Calm under pressure ...

solutions. Laptop imaging and deployments. Hardware IMAC activities. Mobile device support (iOS & Android). Meeting room and AV support. Printer support. Basic networking (DNS, DHCP, TCP/IP). ITIL-based service desk environments. We're Looking For Someone Who Is Customer-focused with excellent communication skills. Calm under pressure ...

support experience, strong macOS knowledge, hands-on Jamf expertise and working knowledge of Windows and Microsoft 365. Networking fundamentals covering TCP/IP, DNS, DHCP and VPN are required. Financial-services experience and Jamf or Microsoft certs are advantageous. Location London Start Date Immediate ...

Skills & Experience Core Infrastructure Windows Server (2012-2022) Active Directory, Group Policy & Identity Services VMware vSphere/ESXi Microsoft Exchange (On-Premises & Hybrid) DNS, DHCP & PKI Enterprise Storage (NetApp, Dell EMC, HPE) Backup & Recovery Technologies Microsoft SQL Server Linux Administration (RHEL, CentOS, Ubuntu) Networking & Security Cisco Networking Technologies Palo Alto ...

availability, security, and performance. Develop and maintain PowerShell scripts to automate server administration and improve operational efficiency. Administer core Microsoft technologies including Active Directory, DNS, DHCP, and Group Policy. Support and maintain VMware vSphere infrastructure (Hyper-V experience also considered). Carry out Windows Server patching, upgrades, security hardening … virtual servers. Strong PowerShell scripting and automation skills. VMware vSphere administration experience (Hyper-V knowledge is beneficial). Excellent knowledge of Active Directory, DNS, DHCP, and Group Policy. Experience with Windows Server patch management, operating system lifecycle management, and infrastructure security best practices. Strong troubleshooting and problem-solving skills with ...

this role include, but are not limited to managing and implementing; - Active Directory including OU design, Group Policy Preferences, Group Policy Objects, DHCP, DNS, WINS, PKI certificate Domain Controller management and Roles management as well as SSO and authentication systems. - The global support of Azure hosted services listed below ...

ensuring stability, availability, and performance. Creating and maintaining PowerShell scripts to automate administration and streamline operational tasks. Managing core Microsoft technologies including Active Directory, DNS, DHCP, and Group Policy. Administering VMware vSphere environments, with Hyper-V experience viewed as an advantage. Delivering server patching, operating system upgrades, security hardening … scripting skills with a focus on automation. Hands-on VMware vSphere administration experience (Hyper-V knowledge is beneficial). Strong understanding of Active Directory, DNS, DHCP, and Group Policy. Experience with Windows patch management, operating system lifecycle management, and server security best practices. Excellent troubleshooting skills and experience supporting business ...

network, cloud, infrastructure, application and security teams. Key Requirements Strong experience in enterprise network and security architecture. Good knowledge of TCP/IP, routing, DNS, VPNs and secure connectivity. Hands-on architectural experience with enterprise firewall technologies. Understanding of WAF, IDS/IPS, proxies, gateways and internet-facing security. Experience ...

work closely with internal stakeholders and Cisco TAC. Required Experience Strong enterprise networking background covering TCP/IP, VLANs, OSPF/BGP, DHCP, DNS and network security . Hands-on experience with Cisco ISE including policy sets, profiling, guest/BYOD, HA deployments and upgrades. Expertise with Cisco Catalyst ...

/programming language (e.g. Python, Bash, Go ) Experience with monitoring & observability tools (e.g. Dynatrace, Prometheus, Grafana) Strong understanding of networking fundamentals (TCP/IP, DNS, latency, etc.) Proven ability to troubleshoot complex, distributed systems under pressure Experience working in production support/SRE/APS environments Desirable Experience Exposure ...

experience. Experience with Git version control. Knowledge of Python libraries including requests, paramiko, subprocess, schedule, and pandas. Understanding of HTTP, TCP/IP, DNS, SSH, and API integrations. Desirable: Telecom or network automation experience, including 4G Core, 5G, or Service-Based Architecture (SBA). Experience with RabbitMQ or Kafka. Knowledge ...

cutover project experience Strong Pure Storage FlashBlade experience Strong DobiMigrate experience Working knowledge of NetApp ONTAP, Identity/permissions (AD, LDAP, Kerberos), networking/DNS – ability to ask the right questions and validate customer input, without expertise/execution required Cutover coordination experience This is an exciting opportunity ...

Exchange environments. Monitor Exchange health, performance, and availability. Active Directory Administer and troubleshoot enterprise Active Directory environments. Manage users, groups, computers, OUs, Group Policy, DNS, and authentication. Troubleshoot replication, Kerberos, LDAP, and domain controller issues. Support Active Directory migrations, upgrades, and domain consolidations. Implement security best practices, including privileged access … automate security response. Tune alerts and reduce false positives. Technical Skills Microsoft Exchange Server/Exchange Online Active Directory Domain Services Group Policy DNS, DHCP, TCP/IP PowerShell Microsoft 365 Microsoft Entra ID Microsoft Defender Microsoft Sentinel Kusto Query Language (KQL) Windows Server Azure Hybrid identity and Exchange environments ...

Exchange Online, security, governance and compliance Manage modern workplace technologies including Microsoft Intune, Autopilot and Defender Support Windows Server environments, Active Directory, Group Policy, DNS and DHCP Monitor platform health, investigate issues and proactively improve service reliability Develop automation solutions using PowerShell and Power Automate Contribute to infrastructure improvements, cloud … Microsoft Intune, Autopilot and endpoint management Strong Windows Server and Active Directory experience Experience with PowerShell scripting and automation Understanding of networking concepts including DNS, DHCP, firewalls and load balancing Experience working within Agile/Scrum environments Desirable experience: Terraform/Infrastructure as Code Azure DevOps and CI/ ...

Engineer Role Overview: The Application 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. The Application 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 ...

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 ...

post-migration support activities. * Decommission Exchange 2016 infrastructure and associated messaging services following successful migration. * Troubleshoot and resolve messaging, mail flow, SMTP, authentication, certificate, DNS, and connectivity issues. * Maintain technical documentation, migration records, risks, and dependencies. Required Experience * Hands-on experience with Exchange Server 2016, Exchange Server Subscription Edition … relay remediation activities. * Experience working with Mimecast, Proofpoint, or similar email security and gateway platforms. * Experience supporting environments impacted by Active Directory, Entra ID, DNS, networking, and certificate changes. * Experience coordinating technical teams, vendors, and business stakeholders to deliver messaging solutions. * Experience supporting testing, cutover, migration, and decommissioning activities within ...

networking, licensing and dependency issues. Support and guide engineering teams with varying levels of AWS experience. Own detailed migration and cutover planning, including networking, DNS, data, access, validation and rollback. Lead migration rehearsals and production cutovers. Ensure customer-facing services are migrated with minimal disruption. Escalate technical and delivery blockers … datacentre infrastructure. Hands-on experience with Terraform, Ansible or equivalent automation tools. Experience reviewing, improving or rebuilding existing infrastructure automation. Strong understanding of networking, DNS, access, data movement and rollback planning. Experience migrating business-critical production applications with strict availability requirements. Ability to assess whether workloads should be rehosted ...

Services environment. This is an operations-focused role, acting as the technical subject matter expert for network incidents affecting load balancing and DDI (DNS, DHCP, IPAM) infrastructure. You'll manage day-to-day operational support across F5, VMware Avi, and BlueCat platforms, including incident triage, proactive network reviews and disaster … senior engineers, architecture and business stakeholders. Contribute to Operations projects and infrastructure improvement initiatives. Key skills: 7+ years' experience in network protocols and technologies (DNS, DHCP, SSL/TLS, HTTP/S, SNMP, TCP/IP). Strong knowledge of F5 (LTM/GTM/APM), BlueCat DNS/DHCP ...

Gateway (Proxy), Trellix DLP (FireEye), F5 SSLO, FortiGate firewalls and Trend Micro IDS/IPS Supporting adjacent security related network infrastructure, including Load Balancing, DNS, DHCP, and IPAM (DDI), as a secondary responsibility Picking up ad-hoc reporting and offline incident work as directed by senior team members or leadership … Bring: Solid experience with network technologies: proxy devices (SkyHigh), F5 load balancing (SSLO), firewalls (Fortigate and Checkpoint), LAN, TCP/IP, UDP, DNS, and authentication A track record of troubleshooting complex networking issues Familiarity with configuration management tools such as Forward Networks and HPNA Experience working across time zones with ...

this project from architecture to cutover. You will design the security policy framework, configure FortiMail for High Availability, and manage complex domain and DNS modifications. Your hands-on execution will cover migrating connectors and relays, rolling out SPF, DKIM, and DMARC, and executing the final testing and validation. To conclude … delivering comprehensive runbooks, documentation, and handover workshops for our internal team. Requirements: * Proven production experience with FortiMail and Exchange Online. * Deep knowledge of enterprise DNS management and email authentication protocols. * Ability to handle both high-level design governance and hands-on technical deployment. ...