26 to 41 of 41 DNS Jobs in Central London

Security Engineer II, Traffic Quality, Traffic Quality

Location
City Of London, England, United Kingdom
delivering the right results for advertising customers. BASIC QUALIFICATIONS Bachelor's degree in computer science or equivalent Knowledge of networking protocols such as HTTP, DNS and TCP/IP Experience programming in Python, Ruby, Go, Swift, Java, .Net, C++ or similar object oriented language You have passion for reverse engineering ...

Identity & Application Integration Engineer

Hiring Organisation
DGH Recruitment
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
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 ...

Application Engineer

Hiring Organisation
DGH Recruitment
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
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 ...

Senior Cloud Architect & Automation Engineer

Location
City of Westminster, England, United Kingdom
build, and monitor AWS-based infrastructure and enterprise applications, leveraging Terraform and Ansible for automation. You will focus on scalable EC2/S3 deployments, DNS management via Route 53, and maintaining robust security and recovery strategies. The role emphasizes practical implementation, best practices, and continuous improvement in cloud services across ...

Big Data Architect

Location
City Of London, England, United Kingdom
across internal and external organizations and virtual teams. Deep understanding of MPP & NoSQL databases Hands on experience of working in Linux including Kerberos, Multihoming, DNS etc Able to work on large scale and complex projects for customers in a variety of industries and UK wide. Flexible to travel ...

Application Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
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 ...

Identity & Application Integration Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
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 ...

Principal Platform Engineer

Location
City of Westminster, England, United Kingdom
from 1st and 2nd line support, ensuring consistent and minimal disruption to services. Deploy and integrate secure Windows Server environments (Active Directory, Group Policy, DNS, DHCP) using industry best practices. Implement and maintain infrastructure security measures such as patching, access controls, and hardening to align with compliance and internal governance. … security and compliance documentation (e.g. RMADS, SyOPs, NIST frameworks). Core Technologies Microsoft: Windows Server 2019/2022/2025 Active Directory, Group Policy, DNS, DHCP Exchange Server 2019, SQL Server, SharePoint 2019 VMware: VMware Cloud Foundation vSphere, ESXi, NSXT, and vSAN Endpoint & Configuration: Windows 10 & 11 Microsoft Endpoint Configuration ...

Cloud Platforms Engineer

Location
City Of London, England, United Kingdom
one. We use GitLab, but the thinking matters more than the tool. Enough networking to debug a real problem: the domain name system (DNS), transport layer security (TLS), HTTP, virtual private clouds, subnets, security groups, load balancers and content delivery networks. Desirable: able to write code, not only configuration – Python ...

Azure Platform Engineer

Location
City Of London, England, United Kingdom
access, compute and storage issues; assist with patching, upgrades and incident resolution. Help implement Azure networking features such as VNets/subnets, routing, DNS, Private Endpoints, NSGs, firewalls and connectivity to on-premises (VPN/ExpressRoute). Contribute to Azure IaaS and PaaS engineering: VMs, storage, Key Vault, monitoring … documentation and runbooks, and communicate progress and risks to the team and client stakeholders. What you’ll bring Foundational understanding of infrastructure concepts (networking, DNS, routing, load balancing, certificates, OS fundamentals) and how these apply in Azure. Hands‐on experience (commercial, internship, apprenticeship or personal projects) with Azure services across ...

Senior Network Engineer

Location
City Of London, England, United Kingdom
with protocols such as BGP, VxLAN, and vPCs, with a proven history of managing mission-critical production network infrastructure. Strong working knowledge of enterprise DNS platforms (e.g. Infoblox), including DNS architecture, DHCP/IPAM integration, and DNS security (RPZ/DFP). Proven hands‐on experience with Arista Campus ...

Network Security Architect - Firewalls, DNS, Onpremise, Cloud

Hiring Organisation
Tria
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 750 Daily
security of critical enterprise systems. Required Skills & Experience Proven experience as a Network Security Architect within large-scale enterprise environments. Strong expertise in: DNS architecture and security Next-generation firewalls (Palo Alto, Check Point, Fortinet, Cisco Firepower or similar) Network segmentation and micro-segmentation Secure remote access and VPN technologies … CCIE Security Palo Alto PCNSE Azure Security Engineer Associate AWS Security Specialty If you are an experienced Network Security Architect with strong expertise across DNS, firewall technologies, cloud security, and enterprise network architecture, we'd love to hear from you. ...

Sr Linux Automation & Platform Engineer (Python/Ansible)

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£290 - £380/day Negotiable
Senior Linux & Infrastructure Automation Engineer Location: (Canary Wharf/Hybrid-3 days in a week) Type: Contract (Inside IR 35) The Role in Brief We are looking for a Senior Linux System Administrator who thrives ...

Forward Deployed Engineer - Lead Platform Engineer

Location
City Of London, England, United Kingdom
Kubernetes, and secure access controls in landing zones and the hyperscaler Own connectivity and network-level security: SSL/TLS certificate lifecycle management, DNS zone management, and secure network access to endpoints Define architectural standards and guardrails, with security as a first-class concern (policy-as-code/OPA, access … Kubernetes namespace segmentation and managed identities, and secure access in landing zones and the hyperscaler Hands‐on experience with SSL/TLS certificate management, DNS zone administration, and secure network access to endpoints Hands‐on experience with CI/CD pipelines, Git‐based workflows, and microservices/API architectures Practical ...

Senior Cloud Services Engineer

Location
City of Westminster, England, United Kingdom
Infrastructure Automation: (Level: Practitioner): Design and manage infrastructure as code (IaC) using Terraform and Ansible, ensuring efficient provisioning, configuration, and management of AWS resources. DNS Management: (Level: Practitioner): Lead the management and optimization of AWS Route 53 for DNS resolution, including routing policies, health checks, and domain registration. System Scaling ...

Software Engineer - London

Location
City Of London, England, United Kingdom
Required Skills Kotlin TLS DNS unit testing AWS MCP AI Java TypeScript CDK AWS CDK Networking CI/CD Job Summary Backend Software Engineer – AWS CDK & Edge Platforms Location: London (Hybrid) Pay Rate: £400/day Inside IR35 Duration: 12 Months The Opportunity Looking to work on high-scale distributed … background with Java, Kotlin, or TypeScript. Practical experience deploying and managing workloads on AWS using AWS CDK. Baseline knowledge of web networking (HTTP, TLS, DNS, load balancing). Familiarity with CI/CD automation, unit testing, and operating cloud systems in production. #J-18808-Ljbffr ...