76 to 100 of 879 TCP/IP Jobs in the UK

IT Support Engineer

Location
Fareham, England, United Kingdom
Server, Microsoft 365, including Exchange, Teams, SharePoint, Group Policy, Intune, and mobile device management (MDM). Solid networking knowledge across firewalls, Wi-Fi, TCP / IP, DNS, DHCP, and experience implementing internet and email filtering solutions. Experience working with ITIL frameworks and ITSM … knowledge of Cyber Essentials Plus standards, security best practices, and audit processes. Relevant industry certifications such as Microsoft (e.g. Azure Administrator), CompTIA A+ / Network+, CCNA, or ITIL Foundation are highly regarded. What We Offer: A dynamic and fast-paced environment working on state-of-the-art autonomous ...

Lead Software Engineering - C++

Location
Greater London, England, United Kingdom
solutions across design, development, and troubleshooting. Design, develop, and test reliable, high-quality C++ code for trading connectivity and risk controls on Unix / Linux platforms. Implement end-to-end low latency client setups, including production rollout and post-release validation. Automate remediation for recurring issues to improve … authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review / refactoring, test strategy acceleration, incident / root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing ...

Applications and Projects Engineer

Location
Leeds, England, United Kingdom
leading independent UK supplier of process instrumentation, providing everything from process and temperature controls to data loggers, transmitters, signal conditioners, PLC / SCADA systems and HMI displays. The company supplies fully configured, tested and documented solutions to customers ranging from small independent businesses to FTSE 100 companies. Through … related degree, e.g. physics, chemical / mechanical / electrical / electronic / control / software engineering. A keen problem solver with a logical approach. Interest in automation, control, measurement and sensing. Experience of a commercial drawing package such ...

Applications and Projects Engineer

Hiring Organisation
Key Appointments UK Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
leading independent UK supplier of process instrumentation, providing everything from process and temperature controls to data loggers, transmitters, signal conditioners, PLC / SCADA systems and HMI displays. The company supplies fully configured, tested and documented solutions to customers ranging from small independent businesses to FTSE 100 companies. Through … related degree, e.g. physics, chemical / mechanical / electrical / electronic / control / software engineering. A keen problem solver with a logical approach. Interest in automation, control, measurement and sensing. Experience of a commercial drawing package such ...

Security Architect

Hiring Organisation
Kainos
Location
London, UK
Employment Type
Full-time
security standards and regulations (e.g. NCSC, ISO, SoC, NIST, PCI, GDPR). Deep architectural xxperience in one of the following specialisms: AI / ML Security / Cloud / M365 / DevSecOps Security Architecture Experience in application architecture, software development and / … software and infrastructure using appropriate security tools. Experience with Continuous Security, Continuous Integration and Continuous Delivery techniques. Experience of network security (e.g. OSI, TCP / IP), web application security (e.g. OWASP) and cryptographic controls (e.g. PKI, TLS). We are passionate about developing people ...

Security Architect

Hiring Organisation
Kainos
Location
Birmingham, UK
Employment Type
Full-time
security standards and regulations (e.g. NCSC, ISO, SoC, NIST, PCI, GDPR). Deep architectural xxperience in one of the following specialisms: AI / ML Security / Cloud / M365 / DevSecOps Security Architecture Experience in application architecture, software development and / … software and infrastructure using appropriate security tools. Experience with Continuous Security, Continuous Integration and Continuous Delivery techniques. Experience of network security (e.g. OSI, TCP / IP), web application security (e.g. OWASP) and cryptographic controls (e.g. PKI, TLS). We are passionate about developing people ...

IT Engineer (x2)

Hiring Organisation
Escape
Location
Edinburgh, Newbridge, City of Edinburgh, United Kingdom
Employment Type
Permanent
Salary
£36000 - £42000/annum Excellent Benefits
investigate issues properly, identify root cause, take ownership and see problems through to resolution. What you'll be doing Resolving escalated 2nd / 3rd line technical issues Taking ownership of complex incidents through to resolution Supporting and maintaining multiple client environments Administering Microsoft 365, servers, networks and endpoints … Supporting Exchange Online, Entra ID, SharePoint and OneDrive Managing Microsoft Intune and endpoint environments Supporting Windows Server, Active Directory and Group Policy Troubleshooting TCP / IP, DNS and DHCP Working with routers, switches, firewalls, VLANs and VPNs Supporting Hyper-V and / ...

Security Architect

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
security standards and regulations (e.g. NCSC, ISO, SoC, NIST, PCI, GDPR). Deep architectural xxperience in one of the following specialisms: AI / ML Security / Cloud / M365 / DevSecOps Security Architecture Experience in application architecture, software development and / … software and infrastructure using appropriate security tools. Experience with Continuous Security, Continuous Integration and Continuous Delivery techniques. Experience of network security (e.g. OSI, TCP / IP), web application security (e.g. OWASP) and cryptographic controls (e.g. PKI, TLS). We are passionate about developing people ...

Security Architect

Hiring Organisation
Hackajob Ltd
Location
Westminster, Greater London, UK
security standards and regulations (e.g. NCSC, ISO, SoC, NIST, PCI, GDPR). • Deep architectural xxperience in one of the following specialisms: AI / ML Security / Cloud / M365 / DevSecOps Security Architecture • Experience in application architecture, software development and / … software and infrastructure using appropriate security tools. • Experience with Continuous Security, Continuous Integration and Continuous Delivery techniques. • Experience of network security (e.g. OSI, TCP / IP), web application security (e.g. OWASP) and cryptographic controls (e.g. PKI, TLS). • We are passionate about developing people ...

Security Architect

Location
Greater London, England, United Kingdom
security standards and regulations (e.g. NCSC, ISO, SoC, NIST, PCI, GDPR).• Deep architectural xxperience in one of the following specialisms: AI / ML Security / Cloud / M365 / DevSecOps Security Architecture • Experience in application architecture, software development and / … software and infrastructure using appropriate security tools. • Experience with Continuous Security, Continuous Integration and Continuous Delivery techniques. • Experience of network security (e.g. OSI, TCP / IP), web application security (e.g. OWASP) and cryptographic controls (e.g. PKI, TLS). • We are passionate about developing people ...

Security Architecture Consultant

Location
Bristol, England, United Kingdom
focused on high-quality outcomes* Enjoy working collaboratively and supporting the development of othersTechnical background* Solid understanding of core IT fundamentals such as TCP / IP, networking, protocols and system interactions* Experience designing or supporting complex IT, cloud, application or networked systems* Ability … include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV). For more information and guidance please visit: https: / / careers.uk.leonardo.com / gb / en / security-and-vetting**Why join us**At Leonardo ...

Security Architecture Consultant

Location
West of England, England, United Kingdom
high-quality outcomes Enjoy working collaboratively and supporting the development of others Technical background Solid understanding of core IT fundamentals such as TCP / IP, networking, protocols and system interactions Experience designing or supporting complex IT, cloud, application or networked systems Ability to decompose … include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV). For more information and guidance please visit: https: / / careers.uk.leonardo.com / gb / en / security-and-vetting Why join us At Leonardo ...

Systems Engineer – Redhill, Surrey

Location
Redhill, England, United Kingdom
Enterprise Engineering team are responsible for a variety of services offered to our customers. These include: Bespoke hardware / software developments to provide customers with the ability to better manage their remote site traffic, and user experience, as part of an NSSLGlobal solution. Meeting with external customers … remote sites, including bespoke designs, virtualisation, High Availability, traffic prioritisation, integration into existing infrastructure, and ongoing support. Finding off the shelf products / developing in-house products / system design and integration to best suit the needs of our business and our clients, testing / ...

Desktop Support Engineer

Hiring Organisation
Sellick Partnership
Location
Herefordshire, United Kingdom
Employment Type
Full-Time
Salary
£20.00 - £25.00 per hour
desktop imaging, software deployment, patching, endpoint security and device management. Configure and support Android and iOS smartphones and tablets. Provide support for LAN, TCP / IP networking, server and internet connectivity where required. Maintain accurate records of incidents, changes, assets, licences and technical … suppliers and external support agencies. Provide technical input into IT projects and service improvement initiatives. Maintain technical documentation, knowledge base information and hardware / software inventories. Provide technical advice and guidance to non-technical users. Represent the organisation professionally when working independently at customer sites. Participate ...

Desktop Support Engineer

Hiring Organisation
Sellick Partnership
Location
Herefordshire, United Kingdom
Employment Type
Contract
Contract Rate
£20 - £25/hour
desktop imaging, software deployment, patching, endpoint security and device management. Configure and support Android and iOS smartphones and tablets. Provide support for LAN, TCP / IP networking, server and internet connectivity where required. Maintain accurate records of incidents, changes, assets, licences and technical … suppliers and external support agencies. Provide technical input into IT projects and service improvement initiatives. Maintain technical documentation, knowledge base information and hardware / software inventories. Provide technical advice and guidance to non-technical users. Represent the organisation professionally when working independently at customer sites. Participate ...

IT Support Jobs UK 2026 – Ultimate UK Visa Sponsorship Career Opportunity

Location
Stockport, England, United Kingdom
including servers, workstations and peripherals Manage network infrastructure includes computer network, LAN (Local Area Network), VPN (Virtual Private Network), DNS (Domain Name System), TCP / IP protocols, firewalls, switches to ensure stable connectivity Support server OS environments for user account management and security policies … with cross-functional teams to deliver system upgrades, patches and new hardware deployments Skills Excellent grasp of computer networking fundamentals such as LAN / WAN design, TCP / IP protocols, DNS management, VPN setup and firewall setting Experience providing desktop support ...

Senior Software Cybersecurity Engineer

Hiring Organisation
Indigo Vision
Location
Edinburgh, Midlothian, United Kingdom
Salary
£ 70 K
practices.Perform security code reviews and act as a technical SME for engineering and compliance teams.Security Testing & DevSecOpsDeploy and manage automated security tools (SCA / SBOM, SAST, DAST, Secret Scanning) within CI / CD pipelines.Apply manual network / application testing, custom scripting, and unit test … response, including root cause analysis, mitigation strategies, and creation of technical runbooks.Apply Detection Engineering principles, setting baseline app security parameters and maintaining IDS / IPS rules.Conduct post-incident analysis and lessons learned and refine response strategies.Monitor emerging threats proactively integrate new protections and ensure compliance with standards (OWASP ...

Senior Software Cybersecurity Engineer

Hiring Organisation
Indigo Vision
Location
Edinburgh, UK
Employment Type
Full-time
security code reviews and act as a technical SME for engineering and compliance teams. Security Testing & DevSecOpsDeploy and manage automated security tools (SCA / SBOM, SAST, DAST, Secret Scanning) within CI / CD pipelines. Apply manual network / application testing, custom scripting, and unit … including root cause analysis, mitigation strategies, and creation of technical runbooks. Apply Detection Engineering principles, setting baseline app security parameters and maintaining IDS / IPS rules. Conduct post-incident analysis and lessons learned and refine response strategies. Monitor emerging threats proactively integrate new protections and ensure compliance with ...

CNI Team Lead

Location
Wokingham, England, United Kingdom
currently meet this residency requirement to still express an interest in the role. Key Accountabilities Lead the CNI Platform RedHat team Provide 24 / 7 system management and administration expertise in a high-availability, mission-critical environment Engage and collaborate with all technical leads Liaise with third-party … positive approach to problem-solving Experience working effectively as part of a highly productive small to medium-sized team in an Infrastructure / Application ITIL / DevSecOps-based support environment Background in managing business-critical real-time systems, ensuring high levels of availability through direct actions ...

Senior Platform Engineer

Location
Kettering, England, United Kingdom
Networks) Experience in building infrastructure services with Infrastructure as Code Deep experience of supporting Active Directory, GPO, and Azure AD. Experience of building / managing pipelines within Microsoft DevOps Good exposure of supporting Remote Access Solution e.g. VPN, Cloudflare Experience of anti-virus solutions (e.g BitDefender) Understanding … networking protocols (IP routing) and principles of network traffic, TCP / IP and networking technologies Solid understanding of Backup and Restore technologies, including Azure ASR Experience acting as technical escalation point for support teams Good knowledge of operating systems (Windows, Linux ...

IT Support Engineer - 3rd Line

Hiring Organisation
Netteam tX Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£50,000
system, with complete technical evidence, time entries, dependencies and next actions Lead advanced diagnosis and resolution across infrastructure, Microsoft cloud, networking, security, backup / DR and telephony, prioritised to SLA and customer impact Provide clear and timely customer updates throughout complex incidents, Problems and engineering activity Own assigned … Known Error content to support effective shift-left Provide senior technical support during Major Incidents, including diagnosis, recovery validation and Post Incident Review / RCA activity Identify recurring demand, technical debt, security weaknesses and resilience risks, and propose improvements that reduce repeat incidents Work with AI & Automation ...

Senior IT Platform Engineer

Hiring Organisation
E.surv Limited
Location
Kettering, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent
Networks) Experience in building infrastructure services with Infrastructure as Code Deep experience of supporting Active Directory, GPO, and Azure AD. Experience of building / managing pipelines within Microsoft DevOps Good exposure of supporting Remote Access Solution e.g. VPN, Cloudflare Experience of anti-virus solutions (e.g BitDefender) Understanding … networking protocols (IP routing) and principles of network traffic, TCP / IP and networking technologies Solid understanding of Backup and Restore technologies, including Azure ASR Experience acting as technical escalation point for support teams Good knowledge of operating systems (Windows, Linux ...

Senior Low Latency Rust Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
microsecond range Market-data replay, backtesting and simulation tooling High-performance market-data processing Linux, kernel and systems-level performance optimisation TCP / IP networking and kernel-bypass technologies Performance profiling, benchmarking and latency reduction Frameworks and tooling used across 100+ technology teams What … another genuinely latency-sensitive environment . Financial Services background is not crucial. Relevant experience could include: Rust, modern Java or C++ Low-latency / high-throughput systems Algorithmic or electronic trading Market-data technologies Linux internals and kernel behaviour TCP / IP ...

OT-IT Security Analyst and Researcher

Location
Belfast, Northern Ireland, United Kingdom
looking for a results-oriented, can-do attitude experienced OT / IT Security Analyst / Researcher to join some of the industry’s brightest minds, dedicated to developing hardware and software security and communication solutions for industrial systems. This strategic role sits at the intersection … products. Reporting to the Security Lead and working closely with the products and engineering teams, the ideal candidate shall understand that effective OT / IT security requires balancing cybersecurity best practices with operational continuity, safety, and the realities of legacy industrial systems. This role offers the opportunity ...

Network Operations Engineer Financial Trading

Hiring Organisation
Stream Search Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Network Operations Engineer Financial Trading London | City Financial | Hybrid WFH / Office £85K + Package & Bonus Leading financial exchange is looking for a hands-on Network Operations Engineer to support a low-latency trading network across on-premise and cloud environments. Technology TCP / IP, Routing, Switching & RSTP OSPF / BGP Firewalls & Fortinet IPSEC VPNs Arista EOS AWS Networking Multicast / PIM / PTP Wireshark / TCPdump / Syslog SolarWinds / Network Monitoring Ansible / Python ...