16 of 16 DNS Jobs in the City of London

A diploma or degree in Computer Networking, IT, or a related field (or equivalent experience) Basic understanding of networking concepts (TCP/IP, DHCP, DNS, VLANs, VPNs) Familiarity with networking hardware such as Cisco, Juniper, or HP switches and routers Strong troubleshooting skills and a proactive approach to problem-solving More ❯

or operations team Strong understanding of Windows Server environments, Microsoft technologies (Active Directory, Group Policy, O365/Microsoft 365), networking principles (TCP/IP, DNS, DHCP, Wi-Fi), and end-user device support (Windows and potentially macOS/iOS) Experience with IT service management principles (e.g., ITIL) and helpdesk ticketing More ❯

years Palo Alto experience. Commitment to uptime. Expertise in Layer 2-7 switching, routing, and application delivery. Knowledge of routing, switching, IP networking, DHCP, DNS, LAN/WAN, QoS, VLAN, VXLAN, and BGP. Experience with VPN and Wireless Access Points. Scripting (Bash, PowerShell, Perl, Python). Disaster Recovery. Preferred Palo More ❯

server and PC estate, overseeing resource usage of Hyper-V hosts and SAN infrastructure. Responsibilities: Network troubleshooting/configuration (Cisco, routers, switches) Basic networking- DNS/DHCP, TCP/IP, LAN/WAN Supporting the Microsoft Office365 suite of applications Supporting SQL database Liaise with third-party support vendors, developers More ❯

disaster recovery plans to ensure business continuity. Experience with Acronis is very advantageous. Scripting and automation experience. Networking knowledge and skills (TCP/IP, DNS, WAN/LAN ect.), ideally with Cisco technologies. End User Computing (Intune, Group Policy, Virtual Desktop ect.). Understanding of ISO27001 compliance and security monitoring More ❯

and Office 2016/2019/M365 Building and maintaining desktops and laptops (hardware/software) Managing core networking protocols - TCP/IP, DHCP, DNS Handling video conferencing support (Teams, Zoom) Working closely with the security team on system alerts and best practices Supporting users with mobile devices (iPhone, iPad More ❯

deployment and management tools (SCCM/MDT) Strong troubleshooting skills (procmon, performance monitor) Familiar with Azure hybrid joined devices Good understanding of networking concepts, DNS, DHCP, VLAN's, ACL's Great organisational and time management skills Excellent communication skills Demonstrable ability to innovate, support change and problem solve Happy to More ❯

or Go; Java experience a plus. Hands-on AWS expertise (EKS, SQS, RDS, EC2, Lambda, Cloudwatch, etc.). Strong Linux and networking fundamentals (TCP, DNS, TLS, HTTP). Familiarity with IaC (Terraform), CI/CD (GitHub Actions, Jenkins), and Agile workflows. Experience with containerisation (Docker, Kubernetes) and stream processing (Kafka More ❯

years in Windows/Linux/Cloud environments. Commitment to uptime. Technical expertise with Windows/Linux Server administration, Active Directory, Exchange, IIS, DHCP, DNS, etc. Scripting (Bash, PowerShell, Perl, Python). Experience with VMWare virtualization, SAN/NAS. Knowledge of LAN, Routing, Switching, IP Networking, VPN, DNS, VLANs, and More ❯

following skills/experience: A BSc/MSc/PhD in Maths/Physics/Computer Science or similar Linux Networking protocols and services (DNS, NIS, NFS, TCP/IP, SNMP, DHCP etc.) Strong communication skills and client facing experience Some knowledge of scripting languages (Shell, Perl or similar) or More ❯

/authentication systems (e.g., Okta). Observability: Hands-on experience with platforms like DataDog, Grafana, or Azure Monitor. Networking: Strong understanding of networking principles, DNS, and related technologies. CI/CD: Skilled in creating and maintaining CI/CD pipelines using modern tools like GitHub Actions. Microservices: Familiarity with microservices More ❯

Microsoft AD (Entra), Server and SQL experience, O365 administration and design Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills Microsoft 365 & Azure: Strong experience managing Microsoft … detect, respond to, and mitigate cyber threats using SIEM, endpoint security, and vulnerability management tools. Networking & Infrastructure Security: Understanding of firewalls, VPNs, SD-WAN, DNS security, endpoint protection, and cloud security controls. IT Service Management & Automation: Experience implementing ITIL-based service management, automating operational tasks, and optimising service delivery. Operational More ❯

Management: Assist with the tracking and maintenance of IT assets, including hardware, software, and licenses. Network Support: Perform basic network troubleshooting (TCP/IP, DNS, DHCP), manage user access, and configure network printers. Helpdesk Operations: Respond to and resolve support tickets promptly through the company helpdesk system, escalating when necessary. … e.g., Exchange Online, Entra ID). Experience with Windows Deployment Services (WDS) or similar OS deployment tools. Understanding of networking fundamentals (TCP/IP, DNS, DHCP). Strong problem-solving skills and ability to manage multiple support tasks. Clear and effective communication skills, with the ability to assist non-technical More ❯

Act as an escalation point for 1st Line and resolve 2nd & 3rd Line issues Design, implement, and troubleshoot Windows Server services including Group Policy, DNS, DHCP, and file/print services Ensure all users can access the environment and all applications and services are available, up and running PC Desktop … desirable, not essential) Expertise across the Microsoft stack (Microsoft 365, MDM, OS, protocols etc) VMware (Horizon ideal) Deep understanding of Active Directory, Entra, GPO, DNS, DHCP PowerShell scripting Knowledge of Cyber Security tooling and best practice Assisting with InfoSec policy adherence and incident response Software troubleshooting What’s in it More ❯

Experience in building and managing data platforms with expertise in data storage, processing, and governance. Proven experience with networking technologies, including configuring VPNs, managing DNS, and optimizing network performance. AWS certifications, such as AWS Certified Solutions Architect (Professional) or AWS Advanced Networking Specialty, are highly desirable. Proficiency in networking protocols … e.g., TCP/IP, BGP, DNS) and security principles. Expertise in infrastructure as code tools (e.g., Terraform, CloudFormation). Strong problem-solving skills with the ability to analyze complex systems and design efficient solutions. Technical Skills AWS Certification (e.g., AWS Certified Solutions Architect - Associate/Professional) is a plus. AWS More ❯

with third-party vendors and manage external escalations professionally Monitor and maintain internal systems, network performance, and endpoints Assist with infrastructure tasks (e.g., AD, DNS, servers, permissions) Contribute to internal projects (e.g., upgrades, process improvements, deployment work) Help develop and maintain clean internal documentation and ticket hygiene Support the onboarding … an infrastructure and user support focus Confident supporting Windows 11 and Microsoft 365 (including SharePoint, Teams, Exchange) Good understanding of Windows Server, Active Directory, DNS, DHCP, and NTFS permissions Solid foundation in networking fundamentals A natural communicator-clear, approachable, and reliable Someone who's organised, punctual, and takes pride in More ❯