76 to 100 of 277 TCP/IP Jobs in the UK

essential; proven hands-on experience and delivery record valued. Technical Capabilities: Experience with SIEM platforms (e.g. Rapid7), Email Security and Data Security / DLP solutions (e.g. Varonis). Strong knowledge of Entra ID security features including Conditional Access and PIM, plus familiarity with PAM tools including BeyondTrust, Osirium … Okta. Solid networking fundamentals (TCP / IP, DNS, firewalls, proxies, SSL / TLS) and vulnerability management experience (Qualys / Rapid7 preferred). Cloud security experience across Azure and / or AWS. Scripting skills in Python and / ...

outcomes rather than process for process' sake. Required Experience Strong experience supporting both Windows and Linux server environments Solid networking fundamentals (LAN / WAN, TCP / IP, routing, firewalls) Exposure to infrastructure security principles and controls Virtualisation experience, ideally VMware Familiarity with … enterprise storage platforms Minimum 5 years' experience in infrastructure / systems engineering roles Recent experience within financial services or similar high-availability environments Comfortable operating as a hands-on infrastructure generalist ...

/ 2nd Line Support Technician (Progression to Helpdesk Team Leader) Fareham, Hampshire £27,000 - £32,000 per year We are seeking a 1st / 2nd Line Support Technician to deliver high-quality IT support within a fast-paced software environment . You will support users with … software issues via phone, email, remote access, and in-person interactions, ensuring excellent customer service and minimising downtime. Key Responsibilities: Provide 1st / 2nd line service desk support Install, upgrade, and troubleshoot Windows and hardware systems Log, manage, and resolve support tickets in line with SLAs Troubleshoot ...

network configurations, changes, and troubleshooting steps. The ideal candidate for this Network Engineer role will have experience in an MSP or IT / Voice environment and a strong understanding of network technologies and principles: TCP / IP, DNS, DHCP, and WLAN design … / troubleshooting; VPNs (SSL / IPsec), STP, Routing, Firewall Policies, NAT, VIPs, VRRP. Experience with Microsoft Teams Voice and Collaboration and knowledge of Azure or AWS public cloud environments is advantageous. Experience with FortiGate Firewalls is a bonus. The salary on offer for this role ...

delivering highly scalable infrastructure and pipelines. This company likes to give responsibility out, so you will be involved in decision making on tech / projects and having a real influence on the product. Working to a fully remote setup, the team are based across the UK and meet … London one a year for a social get together. Requirements: You have a strong knowledge of Azure / Azure DevOps You have experience with Kubernetes, AKS would also be great but you can pick this up on the job You have a good knowledge of IaC principles, they ...

closely with engineering to resolve complex issues. Key Responsibilities: Provide 2nd line technical support across EUC (End User Computing), Microsoft technologies (Windows 10 / 11, M365, Azure), and networking (TCP / IP, DNS, DHCP, LAN / WAN). Troubleshoot ...

tooling What you'll bring: Proven experience working in a Security Operations Centre environment. Hands-on experience managing or operating Microsoft Sentinel and / or Splunk. Working knowledge of the MITRE ATT&CK framework. Strong understanding of: Client-server and multi-tier web applications Relational databases Firewalls, VPNs … enterprise endpoint protection Networking fundamentals (TCP / IP, LAN / WAN, SMTP, FTP, LDAP) Nice to have: Exposure to static malware analysis or reverse engineering. CREST Practitioner Intrusion Analyst certification. Experience with SIEM platforms including Sentinel, Splunk, and ideally some QRadar. ...

loss prevention (DLP) rules, and web security policies. Drive Adoption: Guide customers through the secure and large-scale deployment of the PAB extension / client to end-user devices using various enterprise deployment methods (e.g., GPO, MDM). Be a Proactive Technical Advisor: Serve … toward successful deployment, manage project risks, and navigate organizational challenges or pushback to maintain project velocity. Expert-level knowledge of core networking concepts (TCP / IP, DNS, HTTP / S) and enterprise security principles (Zero Trust, SASE, Firewall, Proxy, VPN). Demonstrated ...

Connectivity Analyst Contract (6 Months) London / Hybrid Financial Services Client IR35: Inside IR35 Overview A leading financial services client is looking for an experienced FIX Connectivity Analyst to support their Global Markets Electronic Trading Infrastructure team. This is a hands-on contract role focused on FIX onboarding … Responsibilities Onboard institutional clients and vendors to FIX trading platforms Configure and certify FIX sessions across UAT and Production Support FIX 4.2 / 4.4 / 5.0 message flows Monitor and troubleshoot live FIX sessions (sequence gaps, rejects, drops) Work with Network and Infrastructure teams on VPNs ...

direct impact on the overall resilience of the IT environment. What we're looking for from you: ESSENTIALS Solid understanding of networking principles (TCP / IP, DNS, routing, switching, VLANS and load balancing) Strong expertise in configuring, maintaining and troubleshooting firewalls e.g. Cisco, Checkpoint … Palo Alto. Demonstrable hands-on experience in next-gen firewalls and advancing security features like IPS / IDS, SSL decryption and deep packet inspection. Proven experience in managing secure proxy solutions (e.g. Bluecoat, F5) and the ability to implement policies for content filtering, SSL inspection and network traffic ...

line Support IT Engineer - Liverpool 2nd line Support IT Engineer with strong 2nd line IT support, Windows 10 / 11, Windows Server, Intune, Azure, Entra & Office 365 experience, is required by a leading firm in central Liverpool. My client is looking for someone with a can-do attitude … role, offering hybrid working Key Skills required: Experience of working at a 2nd line IT support level Experience with Windows Server 19 / 2025 Windows 10 / 11 & M365 experience Azure, Entra and Intune experience Good working knowledge of support on-prem and configuring hybrid infrastructure ...

infrastructure, processes, and incidents Creating scripts and automation tools to streamline repetitive tasks What We’re Looking For Degree in Computer Science / Engineering or equivalent practical experience Background in system administration or support Experience delivering or leading IT infrastructure projects Strong understanding of networking (Cisco, Juniper … Dell) and core protocols (TCP / IP, DNS, DHCP) Hands-on experience with virtualisation platforms (VMware or Hyper-V) Scripting / IaC skills (Ansible / AWX, Python, PowerShell, Bash) Comfortable with both Windows and Linux administration Knowledge of backup technologies ...

infrastructure, processes, and incidents Creating scripts and automation tools to streamline repetitive tasks What We're Looking For Degree in Computer Science / Engineering or equivalent practical experience Background in system administration or support Experience delivering or leading IT infrastructure projects Strong understanding of networking (Cisco, Juniper … Dell) and core protocols (TCP / IP, DNS, DHCP) Hands-on experience with virtualisation platforms (VMware or Hyper-V) Scripting / IaC skills (Ansible / AWX, Python, PowerShell, Bash) Comfortable with both Windows and Linux administration Knowledge of backup technologies ...

controls. Experience with F5 , Cisco Secure Firewall , and Gigamon . Strong design and troubleshooting background across enterprise and multi vendor networks. Understanding of TCP / IP , IPv4 / IPv6, VLANs, and data centre networking. Experience using tools such as Visio , SolarWinds ...

Required Skills & Experience Minimum 2+ years of experience in a Network Engineer or Network Support role Strong hands-on experience with: Routing & switching (TCP / IP, VLANs, STP) LAN / WAN technologies Wireless networking Experience troubleshooting: Network outages Performance and latency issues … Connectivity and access problems Familiarity with: Firewalls and network security concepts VPN technologies (IPSec, SSL VPN) Strong problem-solving and communication skills Preferred / Advantageous Skills Experience with enterprise networking vendors (Cisco, Fortinet, Palo Alto, Juniper, etc.) Exposure to cloud networking (Azure / AWS – advantage) Understanding ...

only accept candidates who are authorised to work in the UK, without the requirement for sponsorship or ANY type of visa (e.g. dependant / spousal, post-study etc.). In addition, this role hybrid based with 4 days in the Scottish office , therefore you should currently be located … EXPERIENCE Minimum 5 years of experience in developing embedded firmware Engineering degree in Software, Computer Science, Cybersecurity or equivalent demonstrated knowledge. Strong C / C++ programming skills SECURITY Understanding of encryption algorithms, key management, and secure protocols (TLS, SSH, etc.) Strong understanding of common vulnerabilities (e.g., OWASP ...

software development experience using C and C++ Advanced proficiency in Linux systems (e.g., system calls, multi-threading, IPC, sockets, scheduler) Knowledge of FIX / ITCH / OUCH protocols and hands-on experience building applications utilizing them Strong understanding of networking protocols, including TCP / IP, UDP, Unicast, and Multicast Familiarity with HFT techniques such as lock-less queues and circular buffers Experience with messaging architectures (e.g., Solace, 29West, ActiveMQ) In-depth knowledge of in-memory data management, data structures, and optimization techniques Understanding of NUMA architecture and NUMA-aware programming ...

/ 3rd Line Support Engineer | Stoke-on-Trent | £35,000 Oscar Technology has partnered with a leading MSP in Staffordshire to recruit for a skilled 2nd / 3rd Line Support Engineer to join their team. Job Description As a 2nd / 3rd Line Support … company and customer systems. Responsibilities Include: Monitoring & dealing with issues raised in the logging system and directly through the phone. Providing 2nd / 3rd line support for IT incidents and requests, ensuring timely resolution and user satisfaction. Perform necessary, routine maintenance and updates to application operating systems ...

team and independently to use IT skills including but not limited to: Desktop support within a Windows environment Network setup & troubleshooting / problem solving LANs & VLANs oVPNs & SASE oWANs & WAN troubleshootin VoIP setup & management Microsoft 365 administration: Understand Cyber Security issues & threats; Understand the tools & methods available … those threat Monitor the helpdesk tickets and incoming calls; raising and updating support tickets and ensuring deadlines and SLAs are met Support, rebuild / set up, and support various hardware including: Windows 11 devices (some Windows servers) MacOS devices Printers Network equipment (routers / ...

C++ Developer / Backend Software Engineer (Windows C / C++) Remote UK to £70k FTC Are you a skilled backend focussed C++ Developer? You could be progressing your career in a senior, hands-on role at a global market data provider.As a C++ Developer you will … with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You can work remotely (in the UK) if you're not within a commutable distance of London. Please note this ...

/ 3rd Line Support Engineer | Remote | £35,000 Oscar Technology has partnered with an MSP to recruit for a remote 2nd / 3rd Line Support Engineer to join their team. Job Description As a 2nd / 3rd Line Support Engineer, you will play … company and customer systems. Responsibilities Include: Monitoring & dealing with issues raised in the logging system and directly through the phone. Providing 2nd / 3rd line support for IT incidents and requests, ensuring timely resolution and user satisfaction. Perform necessary, routine maintenance and updates to application operating systems ...

development pipeline and ensuring the reliability, scalability, and security of services within telecommunications and a managed service provider (MSP) environment. The Responsibilities * CI / CD Pipeline Management: Design, implement, and manage continuous integration and continuous delivery (CI / CD) pipelines for all platforms, enabling rapid … proficiency with at least one major cloud provider (AWS, Azure, or GCP). * In-depth knowledge of container orchestration. * Demonstrable experience with CI / CD tools like Jenkins, GitHub Actions, or Azure DevOps. * Expertise in using tools like Terraform or Ansible. * Proficiency in a scripting language such ...

virtual machines, shared computing environments and servers Software development methods, processes and scripting (Lua, PowerShell) Computer network architectures, protocols and analysis including client / server, TCP / IP, UDP, vLANs, NTP and Wireshark Essential qualifications for the System Engineer: Degree level expertise ...

projects, including server upgrades, cloud migrations, and network improvements Provide support during new client onboarding, including configuration and deployment of hardware / software Client Management & Communication Ensure timely and clear communication with clients regarding ticket progress, including expected timeframes for resolution Help maintain high levels of customer satisfaction … including administration of Exchange Online, SharePoint, Teams, and OneDrive Experience in supporting and troubleshooting virtualization platforms (VMware, Hyper-V) Networking expertise, including TCP / IP, VLANs, routing, firewalls (e.g., SonicWall, Cisco, Fortinet), and VPNs Experience with cloud platforms, particularly Microsoft Azure and / ...

Previous maritime experience would be an advantage. Understanding of the Technical Assurance process. Knowledge of computer network architectures, protocols and analysis including client / server, TCP / IP, UDP, NTP and Wireshark. NB. Candidates must be eligible to obtain UK security clearances. ...