26 to 50 of 519 TCP/IP Jobs in London

Experienced in Intune (MDM), SharePoint, and Microsoft 365 Strong Windows Server knowledge, including NLB and clustering Familiar with SaaS tools (Asana, Canva, Recruitee) Skilled in managing Cisco switches / routers and Teams cloud telephony Experienced in troubleshooting TCP / IP, DNS, DHCP, firewalls, LAN / WAN Solid understanding of ITSM … Server, Office 365, AzureAD Knowledge of Hyper-V, VMware ESX, and Azure Virtual Desktop Experienced with backup and DR solutions (Backup Exec, Datto, Azure) Proficient in Active Directory / Entra ID, account and policy management Knowledge of SAN technologies (iSCSI, Fibre Channel, EMC) Scripting experience: PowerShell, VBScript, Windows Script Host Holds MCSA / MCITP or equivalent More ❯

awareness training to strengthen cybersecurity practices across the organization. Support quarterly IT inventory assessments and represent IT in cross-functional projects to align technology with organizational goals. Qualifications / Skills: Bachelor's or Master’s degree in Computer Science, Information Technology, or a related field (or equivalent experience). Proven experience as an IT and Network Engineer or … similar role, with a focus on IT infrastructure and network administration. Strong knowledge of networking protocols (TCP / IP, DNS, DHCP, VPNs), firewall management, and IT security practices. Experience with network monitoring solutions (PRTG, SolarWinds, Zabbix) and virtualization technologies (ESXi, KVM, Hyper-V). Familiarity with compliance standards (e.g., GDPR, ISO 27001) is a More ❯

Lifecycle and consistently governing our AWS Platform-as-a-Service (PaaS) infrastructure. We are looking for candidates with deep experience and understanding of continuous delivery, container security, SAST / DAST, secrets management, Identity and Access Management (IAM) governance, privilege management, encryption and key management, threat detection, logging, cloud infrastructure security and policy-as-code.What You’ll Do:· Assess … With:· Bachelor’s degree in computer science or a related field is required. CISSP, CISA, SANS GIAC, or relevant security certification(s) desired. Additional certifications such as CCNA / CCNP, AWS Security etc. desired.· 10+ years of IT experience, ideally with some project management.· Familiarity with AWS, infrastructure-as-code, firewalls, vulnerability assessment tools, DLP, TCP / IP, web content filtering, VPN, endpoint protection, password management / Vaults, log management and correlation, and device / application hardening.· Understanding of API programming.· Knowledge of scripting languages like Python.· Knowledge of infrastructure automation technologies such as Cloudformation and Terraform.· Strong interpersonal and communication skills.· Demonstrated analytical and problem More ❯

This job is brought to you by Jobs / Redefined, the UK's leading over-50s age inclusive jobs board. Job Description At Verisk, we empower clients to manage risk with critical data and insights in the insurance and financial services markets. Join us to build a meaningful career, create lasting business impacts, and receive the support and … Zscaler, Cisco routers & switches, and firewalls. Minimal certification required in the following: Aruba Certified, Cisco CCNA, ZCCA-PA, and ZCCA-IA. In-depth knowledge of network protocols (e.g., TCP / IP, BGP, OSPF) and security protocols. Experience with network diagnostic, monitoring, and analysis tools (e.g., Wireshark, Splunk). Strong troubleshooting, problem-solving, and critical … Analytics family of companies are equal opportunity employers. We consider all qualified applicants for employment without regard to race, religion, color, national origin, citizenship, sex, gender identity and / or expression, sexual orientation, veteran's status, age or disability. #J-18808-Ljbffr More ❯

Zscaler, Cisco routers & switches, and firewalls. Minimum certification required in the following: Aruba Certified, Cisco CCNA, ZCCA-PA, and ZCCA-IA. In-depth knowledge of network protocols (e.g., TCP / IP, BGP, OSPF) and security protocols. Experience with network diagnostic, monitoring, and analysis tools (e.g., Wireshark, Splunk). Strong troubleshooting, problem solving and critical More ❯

Zscaler, Cisco routers & switches, and firewalls. Minimal certification required in the following: Aruba Certified, Cisco CCNA, ZCCA-PA, and ZCCA-IA. In-depth knowledge of network protocols (e.g., TCP / IP, BGP, OSPF) and security protocols. Experience with network diagnostic, monitoring, and analysis tools (e.g., Wireshark, Splunk). Strong troubleshooting, problem solving and critical … Analytics family of companies are equal opportunity employers. We consider all qualified applicants for employment without regard to race, religion, color, national origin, citizenship, sex, gender identity and / or expression, sexual orientation, veteran's status, age or disability. Verisk’s minimum hiring age is 18 except in countries with a higher age limit subject to applicable law. More ❯

storage, cloud platforms, and unified communications, and who thrives in a collaborative, service-driven environment. Key Responsibilities: Manage and support the firm's infrastructure: servers, storage, firewalls, WAN / LAN, Wi-Fi, internet, and unified communications. Administer and monitor systems including Windows Server, Azure, Entra ID, Intune, VMWare, VXRail, Rubrik, Commvault , and more. Conduct vulnerability analysis and … SharePoint Online) Azure IaaS VMware vSphere & Dell VxRail NetApp storage Juniper Mist & Cato SESE firewalls PowerShell Scripting and automation Windows Server (2008-2025) Networking: DNS, DHCP, subnets, VLAN, TCP / IP, SD-WAN, VPNs Desirable Certifications: Microsoft Azure Administrator (AZ-104) VMware Certified Professional (VCP) Juniper Mist AI (Wireless / Wired) Microsoft More ❯

Social network you want to login / join with: Professional Services Engineer Location: London Reporting to: Professional Services Technical Manager Purpose: Responsible for all technical aspects of your assigned projects, delivering IT projects in line with scope of works. Working alongside the Project Management Team to ensure efficient and successful completion of projects, in line with the agreed … up and maintaining business system networks based on Microsoft technologies Excellent communication and customer service skills Microsoft Windows Server Operating Systems (2008-2025) Microsoft Windows Hyper-V and / or VMware vSphere and vCentre Microsoft 365 (experience in email migrations, InTune deployment, Azure Information Protection and related technologies, Azure / Entra AD join, AD Connect, SharePoint … Online, DLP, MDM) Detailed knowledge of switching and routing, including VLANs and networking technologies (TCP / IP, VPN, DHCP, DNS, SSL) (Aruba, Cisco, UniFi) Building and understanding Wireless networks topologies and the latest Wi-Fi standards (Meraki & UniFi) Conditional Access setup and configuration for Office 365 and related technologies Microsoft Active Directory, Windows Server More ❯

Job Title: Technical Support Engineer Location: Hull Salary: Up to 28,000 DOE Job type: Permanent / Full Time - 40 Hrs. Mon-Fri About the role: We are a leading regional IT Solutions Provider and Sage Accredited Business Partner based in Hull. We are looking for a Support Engineer to join our growing Technical Support team. The applicant … keep users informed of ticket progress Show excellent understanding of Cyber Security principles Ability to perform maintenance and configuration tasks on switches, firewalls and wireless equipment Knowledge of TCP / IP fundamentals, and network management Understanding of networking components (i.e. VPN, LAN, WAN, VLAN, DNS and DHCP) A comprehensive understanding of Microsoft Operating Systems More ❯

Social network you want to login / join with: Infrastructure Consultant - Windows / Linux, Network & Security, London col-narrow-left Client: Capula Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 7988de210d4d Job Views: 4 Posted: 02.06.2025 Expiry Date: 17.07.2025 col-wide Job Description: Job Title: Infrastructure Consultant … Windows / Linux, Network & Security Location: London Contract Term: 6 months (with potential extension) Role Summary We are seeking a hands-on Infrastructure Consultant with strong expertise in server (Windows / Linux), network, and security domains. This role is primarily focused on supporting day-to-day user requests, managing escalated (2nd / 3rd tier … infrastructure projects. Key Responsibilities Provide advanced technical support and resolution for server, networking, and security-related incidents and service requests. Manage and troubleshoot issues across Windows Server (2016 / 2019 / 2022) and Linux environments (primarily Red Hat / CentOS). Respond to and resolve 2nd / 3rd tier user escalations across More ❯

weeks ago Be among the first 25 applicants Job Title: Infrastructure Consultant - Windows / Linux, Network & Security Location: London Contract Term: 6 months (with potential extension) Role Summary We are seeking a hands-on Infrastructure Consultant with strong expertise in server (Windows / Linux), network, and security domains. This role is primarily focused on supporting day … to-day user requests, managing escalated (2nd / 3rd tier) technical issues, and contributing to ongoing infrastructure projects. Please note that this role requires being in the office five days per week. Key Responsibilities Provide advanced technical support and resolution for server, networking, and security-related incidents and service requests Manage and troubleshoot issues across Windows Server … / 2019 / 2022) and Linux environments (primarily Red Hat / CentOS) Respond to and resolve 2nd / 3rd tier user escalations across desktop, server, and network domains Support and maintain network infrastructure including firewalls, switches, VPNs, and wireless systems (primarily Cisco-based) Conduct regular patching, hardening, and performance tuning of infrastructure More ❯

and maintain backup and disaster recovery solutions. Proactively monitor infrastructure for faults and performance issues. Participate in infrastructure projects and upgrades, including patching and capacity planning. Provide 2nd / 3rd line support to internal teams and escalations as needed. Assist with IT compliance and security initiatives, particularly around access control and data protection. Key Skills & Experience Proven … experience in an infrastructure-focused IT role. Strong experience with on-premises IT environments , including VMware / Hyper-V and Windows Server. Deep understanding and hands-on experience with Active Directory , including advanced GPO management and AD troubleshooting. Experience with 3rd-party application support and vendor liaison. Good knowledge of Windows Server (2016 / 2019 / 2022) , DNS, DHCP, and file systems. SolarWinds, Veeam & Citrix experience would be desirable. Solid understanding of networking fundamentals (TCP / IP, subnets, VLANs, firewalls). Experience working with Microsoft 365 and hybrid environments. Familiarity with backup solutions (e.g., Veeam, Commvault). Understanding of cybersecurity best practices and patch management. Excellent communication and More ❯

combines hundreds of databases into a single, powerful information system. It is a one-stop source for financial information and analytics for business analysts, portfolio managers, investment bankers / management firms, and other financial professionals who analyze companies, portfolios, markets, and economies. FactSet was formed in 1978 and operates out of 37 locations worldwide. With over $1 Billion … has been publicly traded on the New York Stock Exchange under the symbol FDS. The ideal candidate: We are looking for a candidate with solid experience with WAN / LAN technologies, TCP / IP, routing protocols, and a deep understanding of reference network architectures along with a significant level of 'Hands On … both internal and external. Job Responsibilities: Act as a knowledgeable resource for FactSet's clients, vendors, and internal leaders. Project manage business and network team initiatives. Configure Cisco / Arista Routers / Switches / F5 Load Balancers / Cloud Networking Services to provide solutions that successfully integrate into our clients, vendors, and More ❯

to long-term digital strategy — all while working closely with both internal stakeholders and external service providers. Key Responsibilities Act as the primary onsite IT contact, delivering 1st / 2nd line support and escalating complex issues to the 3rd line MSP. Manage and maintain the school’s IT infrastructure: Windows servers, virtual environments, storage, networking, Wi-Fi, firewalls … and end-user devices (Windows / macOS / iOS). Support the events team with their day-to-day IT requirements. Administer systems such as Microsoft 365, SharePoint, Teams, Entra ID, Intune, and Apple MDM. Oversee IT projects including server migrations, OS upgrades, and database implementation. Support educational software platforms including MIS (iSAMS), safeguarding (CPOMS), and … organisational skills, able to manage multiple priorities independently. Solid technical knowledge of: Windows Server, AD, DNS, DHCP, VMware Microsoft 365, Intune, Entra ID End-user device management (Windows / macOS / iOS) Networking fundamentals (VLAN, VPN, TCP / IP, DNS, switches, firewalls) Audio-visual solutions in educational settings Experience with More ❯

audit tracking, etc. Promote service offerings to grow global infrastructure to meet business and technology needs. Be available for rotational on-call support, as required, on a 24 / 7 basis. Perform other duties and responsibilities as assigned. Knowledge and Skills: LAN / WAN network technologies and related protocols. Firewall Technologies (NGFW, SASE). Establishing and … troubleshooting IPSec Tunnels. SSL VPN (Global Protect, F5 BigIP Edge Client). SDWAN and SASE technologies (preferably Cisco Viptela and Prisma SDWAN / Access). Wireless networking technologies (802.11x). Automation, monitoring, and reporting tools (Solarwinds, SevOne, etc.). Converged voice and data infrastructures. Quality of Service (QOS) design and configuration. Common network monitoring and troubleshooting tools. Fundamentals … of network protocols such as TCP / IP, DNS, DHCP, SNMP, BGP, OSPF, EIGRP, MPLS, SD-WAN, and VLANs, along with their implementation and troubleshooting. Skills and Abilities: Effective communication to convey information and ideas through various media. Technical and professional skill or knowledge in position-related areas; remains current with developments and trends. More ❯

awareness training to strengthen cybersecurity practices across the organization. Support quarterly IT inventory assessments and represent IT in cross-functional projects to align technology with organizational goals. Qualifications / Skills: Bachelor's or Master’s degree in Computer Science, Information Technology, or a related field (or equivalent experience). Proven experience as an IT and Network Engineer or … similar role, with a focus on IT infrastructure and network administration. Strong knowledge of networking protocols (TCP / IP, DNS, DHCP, VPNs), firewall management, and IT security practices. Experience with network monitoring solutions (PRTG, SolarWinds, Zabbix) and virtualization technologies (ESXi, KVM, Hyper-V). Familiarity with compliance standards (e.g., GDPR, ISO 27001) is a More ❯

or infrastructure teams. Strong knowledge of Microsoft Windows OS, domain, and cloud services (Entra, O365). Proficiency in server hardware maintenance, diagnostics, and virtualisation (VMWare). Advanced networking (TCP / IP, DNS, DHCP, vLAN) and firewall management (FortiGate). Experience administering Microsoft Intune, EPM, and AWS services. Strong knowledge of security tools (Defender, Sentinel … Cloudflare). Scripting / DevOps experience (Visual Studio, AWS). Familiarity with Linux administration, backup technologies (e.g., Veeam), and storage (iSCSI, SAN). Experience working within data centre environments. Desirable: Advanced firewall knowledge and Linux administration. Experience with monitoring tools (e.g., SolarWinds, Grafana, Elastic). Database administration (PostgreSQL, MS SQL). Experience with Qualys. Experience supporting Mac users More ❯

Linux Systems Administrator – Hybrid working (2 days in office / 3 days from home) Paying an attractive salary + fantastic benefits including bonus (averagely 20%), BUPA health insurance, 4 x salary life assurance, season ticket loan, excellent pension scheme, sponsorship for relevant qualifications, 25 days holiday plus ability to buy & sell, plus more This is an opportunity to … and responsibility for company data ensuring that all backup and restore procedures are adhered to and effective. Providing training, coaching and mentoring to other administrators and 1 st / 2 nd line support staff. Building and maintaining relationships with External and Internal contacts. The management of projects to implement business systems solutions and or processes for information management. … out of hours support of the IT systems. Assisting in the planning, development, documentation and testing of Disaster Recovery and Business Continuity plan, processes and procedures. Key Skills / Requirements: Hands on experience with emails systems (Dovecot, Postfix) Detailed working knowledge of server builds configuration and remote management Proficient in monitoring and logging technologies such as Zabbix and More ❯

so a creative approach and long-term thinking will be key. Skills in automation, scripting, cloud experience, and a genuine passion for technology are advantageous. Responsibilities Main duties / responsibilities of the role include: Administration of VMWare Horizon VDI environment Active Directory & Exchange administration Supporting VPN / Remote access systems Providing direct support for the desktop … environment, client applications, and hardware, including: Windows 10, Office 2010 / Office 2016, TCP / IP (DNS, DHCP, etc.) In-house built Excel add-ins and applications HP / Dell workstations, laptops, thin clients, and printers New user setup, hardware installation, permissions, application testing Software setup, installation, and documentation of … Directory administration (including GPO), understanding of control principles (Release, Change Management, etc.), and familiarity with best practice methodologies such as ITIL Proficiency with Microsoft Office Suite 2016 / 2019 / 365 Understanding of build and client distribution architectures (SCCM) Excellent communication, triage / problem diagnosis, analytical troubleshooting skills, and attention to detail Ability More ❯

be key. Automation, scripting, cloud experience and genuine passion for technology is nice to have. Responsibilities Administration of VMWare Horizon VDI environment Active Directory & Exchange administration Supporting VPN / Remote access systems Provide direct support for the Desktop environment, client applications and hardware including: o Windows 10, Office 2010 / Office 2016, TCP / IP (DNS, DHCP etc) o In-house built Excel addins and applications o HP / Dell workstations, laptops, thin clients and printers New user setup, hardware installation, permissions, application testing Software setup, installation and documentation of support procedures Proactive monitoring of environment and PCs using various tools Contribute suggestions and ideas to the ongoing … directory administration including GPO Good understanding of control principles Release, Change Management, etc Used to working to best practice methodologies such as ITIL Microsoft Office Suite 2016 / 2019 / 365. Understanding of build and client distribution architectures (SCCM) COMPETENCIES / OTHER REQUIREMENTS: Excellent communications skills Excellent triage / problem diagnosis More ❯

be key. Automation, scripting, cloud experience and genuine passion for technology is nice to have. Responsibilities Administration of VMWare Horizon VDI environment Active Directory & Exchange administration Supporting VPN / Remote access systems Provide direct support for the Desktop environment, client applications and hardware including: o Windows 10, Office 2010 / Office 2016, TCP / IP (DNS, DHCP etc) o In-house built Excel addins and applications o HP / Dell workstations, laptops, thin clients and printers New user setup, hardware installation, permissions, application testing Software setup, installation and documentation of support procedures Proactive monitoring of environment and PCs using various tools Contribute suggestions and ideas to the ongoing … directory administration including GPO Good understanding of control principles Release, Change Management, etc Used to working to best practice methodologies such as ITIL Microsoft Office Suite 2016 / 2019 / 365. Understanding of build and client distribution architectures (SCCM) COMPETENCIES / OTHER REQUIREMENTS: Excellent communications skills Excellent triage / problem diagnosis More ❯

Social network you want to login / join with: col-narrow-left Client: FactSet Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 291554569709 Job Views: 14 Posted: 22.06.2025 Expiry Date: 06.08.2025 col-wide Job Description: Responsibilities: Act as a knowledgeable resource for FactSet’s clients, vendors and internal leaders. … Project manage business and network team initiatives. Configure Cisco / Arista Routers / Switches / F5 Load Balancers / Cloud Networking Services to provide solutions that successfully integrate into our clients, vendors and FactSet’s own internal networks. Build and maintain positive working relationships with clients and stakeholders. Provide expert support during … Minimum Requirements: BS degree in an engineering discipline or equivalent. 8-12 years of relevant experience. Fluency in English, both written and verbal. Comprehensive understanding of routing protocols, TCP / IP, Multicast, DNS, LAN switching, and Wireshark. Experience with BGP, EIGRP, router / switch architectures, and protocols like HTTP / More ❯

critical business applications. Implements the balance between business and technology, provides consultancy into the project teams and defines the design and engineering governance function, signing off governance architecture / design against well-defined standards. DAY TO DAY RESPONSIBILITIES: This Network Design Engineer will be responsible for network design and engineering and be involved in the development, engineering and … and associated protocols Strong hands-on experience with Cisco IOS, Cisco NXOS, IOS-XR, Cisco hardware, Juniper Hardware and JUNIOS software, Accedian Network Interface Nodes, Ixia test generator, IP Routing and Switching. Additionally, the candidate will have MPLS experience, working knowledge of IP Firewalls, IP Load balancers and IP Multicast Strong working … knowledge and experience with: TCP / IP, Cisco IOS, Cisco NXOS, IOS-XR, Juniper JUNIOS, LAN / WAN, Service Provider / Extranet networks, Ethernet switching, including VPC / VSS, BGP, EIGRP, SNMP, L2 / L3VPN, MPLS, QoS, Traffic Engineering, Network Service Orchestration and IPSE Experience with More ❯

Responsibilities Design, implement, and manage network infrastructure including routers, switches, firewalls, and load balancers across various platforms. Familiar with circuit ordering and DWDM deployments. Familiar with Nexus 7k / Cisco 6500 environments (possibly Arista but not essential). Ability to document and map in detail all connectivity on site to identify business areas / stakeholders and … field. Proven experience as a Full Stack Network Engineer or similar role, with a strong portfolio of successful network infrastructure projects. Expertise in network architecture and engineering, including TCP / IP, DNS, VPN, LAN / WAN, and QoS. Proficient in network automation tools and scripting languages such as Python, Ansible, or Terraform. More ❯

Social network you want to login / join with: Windows Systems Engineer - Macro Hedge Fund, london col-narrow-left Client: Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 26.06.2025 Expiry Date: 10.08.2025 col-wide Job Description: The Client My client is a market leading macro focused hedge … Endpoint Manager, Teams, Conditional Access) to meet organizational needs and following best practices Manage and optimise the Windows server estate, focusing on on-prem infrastructure based on VMware / Nutanix AHV and also cloud infrastructure platforms (Azure / AWS) Perform system maintenance, such as applying patches and updates to ensure availability, optimal performance and security of … IT infrastructure Monitor system performance and proactively identify / resolve issues Maintain detailed documentation of system setup, configuration, procedures and change Implement and manage security platforms including endpoint protection and patch management to protect data and shared IT infrastructure Manage backup solutions to ensure data recovery and resiliency Work as part of the Infrastructure and Systems Engineering team More ❯