1 to 25 of 57 TCP/IP Jobs in London

Investment Banking - Low Latency C++ Developer - financial markets/Linux/scripting/low latency/TCP/I

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Investment Banking - Low Latency C++ Developer - financial markets / Linux / Scripting / low latency / TCP / IP PURPOSE AND SUMMARY We are looking for a C++ developer to be part of the low latency … swift and frequent delivery of useful software. ESSENTIAL DUTIES AND RESPONSIBILITIES Plan, design, develop, document, test, deploy, and support new and existing features / modules SKILLS & EXPERIENCES ASSESSMENT 7+ years of C / C++ development experience Experience with financial markets / clients Experience with ...

Senior CIRT / Threat Intel Analyst

Hiring Organisation
S&P Global
Location
Greater London, United Kingdom
Employment Type
Full Time
endpoints, networks, cloud, and SaaS. Integrate threat intelligence into investigations (e.g., enrich IOCs, map activity to MITRE ATT&CK, identify likely threat actors / TTPs, and assess potential impact). Understand the threat landscape through collaboration with industry peers, FS-ISAC, trust groups, and commercial / … investigate incidents and deliver containment, remediation, and root cause analysis; produce high-quality intel-informed incident reports. Create and tune detections (e.g., SIEM / SOAR, EDR) using intelligence signals (TTPs, behaviors, YARA / Sigma where applicable). Produce and present consumable intelligence outputs (e.g., flash alerts ...

Pre-Sales Network Engineer

Hiring Organisation
Career Cross Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £120,000 per annum, Negotiable, Inc benefits, OTE
public sector accounts. This is a remote, client-facing role for a highly technical and experienced presales professional with a strong Government / Public Sector background and current SC clearance. As Sales Engineer, you will play a vital role in driving revenue by delivering technical presales support, demonstrating … needs internally and advocating for technical alignment Participating in industry events, speaking engagements, and strategic initiatives Helping customers use the product to find / troubleshoot problems in PoC etc. Essential skills and experience: 5+ years’ experience in IT, with at least 2 years in presales, network engineering ...

PPM Engineer - Reading and London

Hiring Organisation
Reliance High Tech
Location
London, United Kingdom
Employment Type
Permanent
Salary
£35000 - £40000/annum Health Care, Pension, UPsell Scheme
Reliance High-Tech / Reliance Protect is the UK's largest independent integrator / installer of security solutions / lone worker solutions. We are trusted by leading brands and organisations to protect their people, assets and reputations through innovative technology and specialist expertise. Unique … industry, Reliance High-Tech / Reliance Protect combines the capability and footprint of a large organisation, with the agility and customer focus of an independent business. We operate at the top end, for the most discerning clients, in the most demanding and complex environments with the highest stakes ...

Golang Engineer

Hiring Organisation
Searchability (UK) Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
GOLANG ENGINEER ESSENTIAL SKILLS Strong commercial experience with Go (Golang) Solid Linux experience (command line, system-level understanding) Strong understanding of networking concepts (TCP / IP, protocols, performance) Experience building scalable, distributed systems Strong problem-solving skills and attention to detail TO BE CONSIDERED … Please either apply through this advert or email me directly via . For further information please call me on 0203 763 3888 / 07704 152 638. By applying for this role, you give express consent for us to process and submit (subject to required skills) your application ...

TOC Network Engineer, Cingularity

Hiring Organisation
IMG
Location
London Area, United Kingdom
distribution services to premium broadcast networks and sports rights holders globally. Please follow this link to understand more about Cingularity’s work: https: / / cingularity.tv / what-we-do / IMG acquired Cingularity in September 2022 to provide the expertise … sales, multi-channel content production and distribution, brand partnerships, strategic consulting, digital services, and events management. It powers growth of revenues, fanbases and IP for more than 200 federations, associations, events, and teams, including the National Football League, English Premier League, International Olympic Committee, National Hockey League, Major ...

Director Cloud Native Architects, EMEA

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
role is accountable for building a repeatable operating system that improves deal quality, increases opportunity predictability, and drives measurable revenue impact (ARR / NRR) in partnership with the Theater Sales organisation, Product teams, and regional stakeholders. Success is reflected across People / Process / Partnership / Product , deliberately prioritised to maximise the Director’s most constrained resource: time . People: Building, developing, and inspiring a high‐performing team with strong technical credibility and ownership. Process: Applying context and rigor in ways that improve focus, decision‐making, and execution without creating ...

Senior Security Proxy Engineer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
proxy and secure web gateway services under defined standards. Manage proxy policies for web access control, traffic inspection, TLS decryption, and egress IP enforcement. Execute routine operational tasks including configuration changes, upgrades, patching, and vendor recommended updates. Monitor proxy service health, availability, and performance, identifying and resolving … teams to deliver stable proxy services. Escalate design gaps, operational risks, or recurring issues to senior engineers or architects. Your Profile Essential skills / knowledge / experience: 6 years of hands on experience supporting enterprise proxy or secure web gateway platforms. Strong understanding of HTTP / ...

AV SERVICE ENGINEER

Hiring Organisation
Alecto Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£35000 - £40000/annum Negotiable and Dependent on experien
dynamic and award-winning AV Service Team! Providing cutting-edge AV solutions to clients. This is a chance to work with complex AV / IT systems, deliver exceptional customer experiences, and grow your technical skills in a supportive, forward-thinking environment. What You'll Be Doing … Crestron Control & AV Switching / Matrix Systems Signal extenders (CatX / HDBaseT) Lighting / DMX control, AVoIP / Dante Networking & basic IT troubleshooting Perks & Benefits Company pension & life insurance Health & wellbeing programme Paid sick leave Opportunity for continuous professional development ...

System Administrator - Hybrid

Hiring Organisation
Exposed Solutions
Location
North West London, London, United Kingdom
Employment Type
Permanent
Salary
£50,000
SystemAdministrator(DevOps / AWS / Infrastructure) TheOpportunity Wereworkingwithagrowing,technology-drivenorganisationlookingtohirea SystemAdministrator withstrong DevOpsandinfrastructureexperience .Thisisahands-onrolewhereyoullplayakeypartinmaintaining,optimising,andscalingcriticalsystems. Youllcollaboratecloselywithdevelopmentandoperationsteamstoensurehighavailability,performance,andsecurityacrosstheenvironment. KeyResponsibilities Manageandmaintainserverinfrastructure(Linux / Windowsenvironments) Supportandoptimisecloudplatforms,particularly AWS ImplementandmaintainCI / CDpipelines Monitorsystemperformance,availability,andsecurity Troubleshootcomplexinfrastructureandnetworkingissues Automateroutinetasksusingscriptingandcommand-linetools Supportdeploymentsandenvironmentconfiguration KeySkills&Experience Provenexperienceasa SystemAdministrator … orsimilarrole Strongknowledgeof AWS (EC2,S3,IAM,VPC,etc.) Solid DevOps understanding(CI / CD,automation,infrastructureascode) Strongcommand-lineskills(Bash,PowerShell,orsimilarscripting) Experiencewith servermanagement (patching,monitoring,performancetuning) Goodunderstandingof networkingconcepts (DNS,TCP / IP,firewalls,routing) FamiliaritywithtoolssuchasDocker,Kubernetes,orsimilar(desirable) ALLAPPLICANTSMUSTBEFREETOWORKINTHEUK ExposedSolutionsisactingasanemploymentagencytothisclient. Pleasenotethatnoterminologyinthisadvertisintendedtodiscriminateonanygrounds,andweconfirmthatwewillgladlyacceptapplicationsfromanypersonforthisrole. ...

Lead Production Infrastructure Support/SRE

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
title: Lead Production Infrastructure Support / SRE Client: Global Tech-Driven Trading Firm Location: London (Hybrid) Salary: Up to £200k + Industry-Leading Bonus + Exceptional Benefits My client is seeking a hands-on Production Infrastructure Support Lead to oversee a globally distributed function responsible for mission-critical … hands-on with troubleshooting, outage management, and critical production incidents Mentor and develop engineers across multiple regions within a collaborative engineering culture Skills / Experience Strong Linux / Unix systems administration experience within enterprise or trading environments Previous experience leading infrastructure, platform, or production support teams ...

Senior Infrastructure Engineer

Hiring Organisation
Context Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £80,000 per annum
Responsibilities: Lead the assessment, integration and consolidation of IT environments during mergers and acquisitions Manage core office and site networks, including LAN / WAN, VPNs, IP addressing and firewall operations (FortiGate) Conduct audits of IT infrastructure, cloud environments (Azure, AWS) and enterprise applications (ERP, CRM) Plan … escalation point for complex issues Essential Skills & Experience: Strong expertise in Azure, Microsoft 365, Windows Server and hybrid cloud environments Networking: TCP / IP, DHCP, DNS, routing, switching, VPNs, firewall configuration; CCNA / CCNP preferred Active Directory and identity management, including multi ...

Distribution Operations Engineer

Hiring Organisation
Warner Bros. Discovery
Location
London, UK
health of Distribution equipment. Proactively identify and address potential risks and vulnerabilities in our distribution infrastructure, recommending mitigation strategies Develop corporate oversight / participation in Distribution Technologies Assist with training and development of Distribution Staff Members as needed. Create and update documentation and procedures Implement, or assist with … video and PCM, Dolby D and E and its variants for audio signals as well as awareness of TCP / IP Network concepts including multicast traffic Knowledge of and experience with SMPTE 2110 Working experience with Television Distribution Systems fibre and satellite based encoding ...

SC Cleared Network Solutions Engineer | UK Public Sector

Hiring Organisation
Pab Staffing Solutions Ltd
Location
London Area, United Kingdom
Cleared Network Solutions Engineer | UK Public Sector Hybrid (Central / Southern UK preferred) | Travel to client sites required Up to £120,000 per annum + 20% bonus + car allowance + extensive benefits Active SC Clearance essential — non-negotiable If you hold current SC clearance and have … network engineering, technical support, or presales Proven track record supporting UK Government, MOD, or public sector clients Strong Cisco expertise — routing, switching, TCP / IP, LAN / WAN topologies Experience working with WAN / MPLS, enterprise networking, or secure infrastructure ...

Presales Engineer

Hiring Organisation
Get2Talent
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
demonstrations, PoCs, and troubleshooting activities Collaborate closely with product and engineering teams to provide market feedback and influence roadmap direction Contribute to RFP / RFI responses, technical documentation, and whitepapers Build and maintain strong relationships with customers, integrators, and service providers Identify upsell and expansion opportunities within existing … working within UK Government or Public Sector environments Active SC Clearance (essential) Strong technical knowledge of: Cisco routing, switching, gateways, and network applications TCP / IP, SNMP, NetFlow, VoIP LAN / WAN architectures (MPLS, Frame Relay, ATM) Network security principles and infrastructure ...

Cyber Security Engineer

Hiring Organisation
Transact
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 per annum
team you will help to design, develop, and mature the companys cyber security capability, including the selection, implementation, and management of security tools / technologies, focused on detection, prevention, and analysis of security threats. This role offers a great opportunity to help define and shape the security function … network protocols: knowledge of standard network protocols like TCP, ARP, ICMP, DHCP, DNS, HTTP, SNMP, VPN etc., and accompanying protocol / packet analysis / manipulation tools. Understanding of key operating systems and network appliances and the ability to assess their security ...

EOL Network Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Role Title: EOL Network Engineer Duration: contract to run until 28 / 01 / 2027 Location: London, Hybrid 3 days per week onsite (weekend work may be required) Rate: up to £303.60 p / d Umbrella inside IR35 Role purpose / summary … project to completion, overcoming any obstacles in the way. Strong communication is important. Essential Skills Possess professional-level working knowledge of networks (TCP / IP, BGP routing, PIM routing, STP, route maps, access lists). Must have practical hands-on experience working with network ...

Network Engineer (Fortinet) - London - Hybrid - £55,000 plus bonus

Hiring Organisation
Ashdown Group
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
Network Engineer (Fortinet) 80% Project / 20% Service Desk Escalation Location: London Type: Permanent Salary: £55k plus bonus and benefits Were hiring a hands - on Network Engineer to lead and deliver network security projects (approx. 80% of the role) and act as the technical escalation point … FortiGate firewall and Fortinet platform deployments. Configure and manage FortiGate (physical & virtual) firewall policies, high availability, routing and VPNs. Deploy and maintain FortiEMS / FortiClient endpoint security and integrate endpoint telemetry into security operations. Integrate and operate Fortinet Security Fabric components for centralized visibility and automated response. Provide ...

2nd Line IT Support Engineer

Hiring Organisation
SER Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£34000 - £38000/annum Hybrid Working
Policy, Office 365 & SharePoint Microsoft Exchange Virtualisation (Hyper-V, VMware, WVD) Backup & Disaster Recovery solutions Cyber Security (MFA, EDR, AV, Incident Response) Networking (TCP / IP, DNS, DHCP, LAN / WAN) Windows & macOS environments Experience supporting mobile devices Strong troubleshooting and problem ...

Network Engineer (Fortinet) - London, Hybrid - £55,000

Hiring Organisation
Ashdown Group
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
Network Engineer (Fortinet) - London, Hybrid - £55,000 80% Project / 20% Service Desk Escalation Were hiring a hands-on Network Engineer to lead and deliver network security projects (approx. 80% of the role) and act as the technical escalation point for the service desk (approx. 20%). Youll … FortiGate firewall and Fortinet platform deployments. Configure and manage FortiGate (physical & virtual) firewall policies, high availability, routing and VPNs. Deploy and maintain FortiEMS / FortiClient endpoint security and integrate endpoint telemetry into security operations. Integrate and operate Fortinet Security Fabric components for centralized visibility and automated response. Provide ...

Network Security Engineer

Hiring Organisation
Pearson Whiffin IT & Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
Cyber Security Engineer Illumio / GCP / GCVE Migration Project We are seeking a mid-to-senior level Illumio Engineer to support a large-scale migration initiative to Google Cloud Platform (GCP), including Google Cloud VMware Engine (GCVE). The ideal candidate will bring strong hands … expertise to implement and manage micro-segmentation throughout the migration lifecycle. Key Responsibilities Support the migration of workloads from colocation environments into GCVE / GCP. Design, implement, and maintain Illumio micro-segmentation policies across hybrid and cloud environments. Analyse existing traffic flows and segmentation policies to ensure secure ...

AWS Cloud Engineer / Site Reliability Engineer (SRE)

Hiring Organisation
GTC Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £662/day
Cloud Engineer / Site Reliability Engineer (SRE) London mainly Remote, but might require to travel to the offices as and when required - Croydon or London. 12-Month Contract £662 / day (Umbrella) SC Clearance Required Inside IR35 About the Role We’re looking for experienced … Cloud Engineers / Site Reliability Engineers (SREs) to join a high-impact programme delivering secure, scalable cloud platforms. This role sits at the intersection of cloud engineering and reliability, focusing on building resilient systems, improving automation, and ensuring production environments run smoothly and efficiently. You’ll play ...

Radio Engineer

Hiring Organisation
The Venari Limited
Location
North West London, London, United Kingdom
Employment Type
Permanent
Salary
£50,000
Radio Engineer. Major UK Provider of Radio Systems. Covering South East. Salary £50K Basic + Car / Car Allowance + Benefits. The Company Being the UKs leading independent communications suppliers, specialising in the design, supply, installation, commissioning and maintenance of wireless voice and data networks. Our client … Radio Engineering. Role Includes: Design and build of bespoke technical solutions in line with customer requirements. Provide Technical assurance to customers. Preparation CODEPLUGS / FLEET Plans for customer requirements (Motorola & Hytera). Installation, Troubleshooting and maintenance of telecommunication equipments from different vendors: Hytera, Motorola, Tait, Simoco and Kenwood. ...

Embedded Software Engineer

Hiring Organisation
Carbon60
Location
New Malden, England, United Kingdom
Contract Embedded Software Engineer – C++ / Linux / Networking We’re seeking an experienced Embedded Software Engineer to work on cutting‐edge, real‐time embedded systems for next‐generation products operating in demanding environments. This is a hands‐on contract role for someone who’s comfortable … real‐time and multi‐threaded systems Hands‐on experience with build environments such as OpenEmbedded, Bitbake, and Makefiles Good working knowledge of TCP / IP and UDP networking , with experience using tools like Wireshark Comfortable working with Linux , including kernel concepts, CLI tools ...

Software Engineer C#

Hiring Organisation
Carbon60
Location
New Malden, England, United Kingdom
Contract Software Engineer – C# / Windows / Networking We’re looking for an experienced C# Software Engineer to join a highly skilled engineering team working on complex, mission‐critical Windows desktop systems used in marine operational environments. This is a hands‐on contract role, ideal … experience building Windows desktop applications Solid knowledge of .NET and Windows Forms Proven experience developing multi‐threaded and distributed systems Good understanding of TCP / IP and UDP networking, ideally in real‐time or data‐driven environments Strong analytical and problem‐solving skills Clear ...