1 to 25 of 44 Contract TCP/IP Jobs

Senior Cloud Network SRE / Cloud Platform Engineer Role Overview We are looking for a Senior Cloud Network SRE / Cloud Platform Engineer with strong expertise in GCP / AWS networking, incident management, Kubernetes, and platform reliability engineering . The ideal candidate should … complex cloud networking issues, leading production incident resolution, and driving reliability improvements through automation and observability. Key Responsibilities Troubleshoot and resolve complex GCP / AWS network incidents in production environments. Perform deep-dive analysis using TCP Dumps, packet captures, and network diagnostics tools . Diagnose ...

Production Services Specialist II | Remote | Inside IR35 | $90 p / h | 4-Day Week (up to 40 hrs, Rota-Based) | IP Services / Load Balancing & DDI We're looking for an experienced Production Services Specialist II (contract) to support a large-scale IP … BlueCat (on-prem and Cloud Resolver) infrastructure. Support incident triage, proactive reviews and disaster recovery testing. Maintain documentation, runbooks and adherence to design / governance standards. Coordinate with senior engineers, architecture and business stakeholders. Contribute to Operations projects and infrastructure improvement initiatives. Key skills: 7+ years' experience ...

desktops and laptops. Administer and support Windows Server environments. Manage users, computers, groups, permissions and policies within Microsoft Active Directory. Troubleshoot LAN / WAN, TCP / IP, DNS, DHCP, Wi-Fi and general network connectivity issues. Install, configure and maintain PCs, laptops … customer-focused support to users at all levels. Essential Technical Skills Windows Server Windows 10 & Windows 11 Active Directory Group Policy DNS & DHCP TCP / IP and networking fundamentals LAN / WAN and Wi-Fi troubleshooting PC / laptop hardware ...

months | Inside IR35 Were hiring two separate contract engineers to work on hardware-integrated software projects: Contract C# Software Engineer (Windows) C# / .NET Windows desktop applications (Windows Forms) Multi-threaded & networked applications TCP / IP, UDP Hardware / physical … days per week (initially full-time on-site) Contract C++ Linux Software Engineer (Embedded) Strong C++ on Linux Embedded software experience Networking (TCP / IP, UDP) Build systems (OpenEmbedded / BitBake desirable) Hybrid working once up to speed (up to 2 days ...

Cyber Security Architect 6-month Contract London or Southampton (~1x a week) Open to either £90k (pro rata) FTC, or £550-650 / day Inside IR35. Cyber Security Architect Our client in the IT Consultancy sector is seeking an experienced Cyber Security Architect with a strong background … recommendations. Collaborate across network, cloud, infrastructure, application and security teams. Key Requirements Strong experience in enterprise network and security architecture. Good knowledge of TCP / IP, routing, DNS, VPNs and secure connectivity. Hands-on architectural experience with enterprise firewall technologies. Understanding ...

looking for an experienced DV Cleared Linux / UNIX Systems Administrator to support a secure technology environment delivering and maintaining critical infrastructure and applications. This is a hands-on technical role suited to someone with strong Red Hat Linux and UNIX / Solaris administration experience , ideally … within Defence, MOD, Government or another highly secure environment . Key Skills & Experience: Active DV clearance - essential Strong commercial experience as a Linux / UNIX Systems Administrator Extensive Red Hat / RHEL administration Strong Solaris / Sun UNIX experience highly desirable Server build, configuration ...

Role: Mainframe Network Engineer Location: London, UK (Hybrid) Duration: 6+ Months with possible extension. Responsibilities: Configuration and administration of IBM z / OS mainframe network software. Configuration and administration of network related 3rd party system software. Provision of technical support for Mainframe Networking issues during the normal working … other file transfer products Session Management products eg. TPX, Teleview, CL / Supersession Network Management products eg. NETVIEW, Netmaster / TCPIP Print server products eg. VPS Must be a self-starter, but also a completer / finisher who ensures that tasks / ...

Narratives, Control Philosophy documents, and Functional Logic Specifications for energy-sector automation systems. Design robust control system network architectures, including Ethernet / IP, Profinet, Modbus, and redundant industrial networks. Lead or support system configuration, testing, FAT / SAT, commissioning, and operational optimisation … Effect diagrams, and Control Strategies used in energy and industrial facilities. Hands-on knowledge of industrial communication protocols such as Profinet, Modbus TCP / IP, and Ethernet / IP. Experience with OPC UA for data exchange and system integration. Familiarity with ...

frequency trading systems, global markets, and cutting-edge real-time technologies in a fast-paced environment. Key Responsibilities Provide hands-on Level 1 / 2 / 3 support for the Cash Equities Execution platform Sit directly with High Touch and Low Touch trading desks , supporting real … part of a global support model Required Skills & Experience Strong experience supporting trading systems or low-latency platforms Solid expertise in Unix / Linux environments and system-level troubleshooting Proficient in at least one scripting / programming language (e.g. Python, Bash, Go ) Experience with monitoring & observability ...

Main Campus Network Redesign Location: Cambridge - Onsite Rate: £400-£440 per day, Inside IR35 Contract: Network Contractor Working Pattern: Onsite, with planned evening / weekend change windows We are seeking an experienced Network Contractor to support a major Main Campus Network Redesign and Remediation programme in Cambridge. This … legacy, redundant, inconsistent or obsolete configuration. Support network redesign and logical simplification. Configure and troubleshoot Cisco routers and switches. Troubleshoot complex Layer 2 / Layer 3 connectivity and routing issues. Review and remediate VLANs, SVIs, trunks, port channels, routing and associated configuration. Support migration from legacy configurations ...

Exchange Messaging SME – Exchange, Active Directory & Microsoft Sentinel Job Summary We are looking for an experienced Exchange / Messaging / SME with strong expertise in Microsoft Exchange, Active Directory (AD), and Microsoft Sentinel. The successful candidate will be responsible for supporting, maintaining, troubleshooting, securing, and improving … automation. Investigate security incidents and suspicious activity. Integrate Microsoft Sentinel with Active Directory, Microsoft 365, Defender, and other security platforms. Develop Logic Apps / playbooks to automate security response. Tune alerts and reduce false positives. Technical Skills Microsoft Exchange Server / Exchange Online Active Directory Domain ...

Looking For Experience in network engineering or network support. Strong hands-on experience with Cisco Meraki environments. Good understanding of: Wireless networking / 802.11, TCP / IP, VLANs, DHCP & DNS, Routing & switching Strong troubleshooting skills across wired and wireless networks. Experience supporting ...

support team. The preferred candidate will demonstrate effective application of Infrastructure and extensive knowledge across a variety of technologies such as Linux (Ubuntu / CentOS), Microsoft Windows Server (including services such as AD, DNS, DHCP) and virtualisation (Hyper-V), Microsoft Stack Technologies (Sharepoint, SQL Server, Skype for Business … / Teams), networking technologies and storage. The role will provide technical exposure variance across both outcomes based project activities and operational (Business as Usual) support activities. The duties of the role will also include providing remote and on-site support. There is also a requirement to provide ...

Catalyst 9800 wireless solutions. Lead wireless infrastructure upgrades and migration from legacy platforms. Implement and support 802.1X, MAB, RADIUS, EAP-TLS / PEAP authentication and policy enforcement. Troubleshoot complex authentication, connectivity and wireless performance issues. Support high-availability deployments, upgrades, patching and lifecycle management. Produce technical documentation … work closely with internal stakeholders and Cisco TAC. Required Experience Strong enterprise networking background covering TCP / IP, VLANs, OSPF / BGP, DHCP, DNS and network security . Hands-on experience with Cisco ISE including policy sets, profiling, guest / ...

Technical Investigation Engineer / Broadband Engineer Ipswich (Hybrid - 3 days onsite) 6 Month Contract Inside IR35 My client, a leading telecommunications company, is looking for a Technical Investigation Engineer to investigate and resolve complex issues affecting broadband routers, Home Hubs, Wi-Fi services, and customer connectivity products. Skills … Home Hubs Experience investigating faults across broadband, Wi-Fi, Digital Voice and home networking environments Strong Linux and Python skills Good understanding of TCP / IP networking , FTTP, IPv4 / IPv6 and related broadband technologies Experience analysing logs, packet captures, crash dumps ...

Audio-Visual & IT Support Specialist Location: West London (On-site, 5 days / week) Contract: 12-Month FTC Day rate: 188 - 225 / day About the Role We are working with one of our clients to look for an AV & IT Support Specialist to manage … controls during live hybrid broadcasts and staff town halls. Desktop & Workplace Support: Act as an escalation point for Windows 11 and macOS hardware / software tickets, peripheral setups, and mobile device configurations. Asset & Vendor Oversight: Maintain precise hardware inventory, manage equipment dispatch / recycling processes ...

Audio-Visual & IT Support Specialist Location: West London (On-site, 5 days / week) Contract: 12-Month FTC Day rate: £188 - £225 / day About the Role We are working with one of our clients to look for an AV & IT Support Specialist to manage … controls during live hybrid broadcasts and staff town halls. Desktop & Workplace Support: Act as an escalation point for Windows 11 and macOS hardware / software tickets, peripheral setups, and mobile device configurations. Asset & Vendor Oversight: Maintain precise hardware inventory, manage equipment dispatch / recycling processes ...

Senior Systems Engineer - Secure Digital Platform (SDP) Data & Integration Location: Reading - 3 days onsite / 2 days remote Rate: £65-£71 per hour, inside IR35 Security Clearance: Active SC Clearance required Nationality: Sole British National required Contract: 6 Months + The Role We are seeking an experienced Senior … Windows Server and Linux operating systems. Experience with enterprise virtualisation platforms such as VMware or Hyper-V. Strong understanding of networking technologies, including TCP / IP, DNS, DHCP, VPNs, load balancing, firewalls and routing. Hands-on experience administering Kubernetes clusters. Practical experience supporting ...

maintain technical documentation. Work closely with senior engineers to improve platform reliability and operational performance. Essential Skills & Experience Experience supporting Windows Server and / or Linux environments. Understanding of Microsoft Azure services and cloud technologies. Knowledge of networking fundamentals including TCP / IP … analytical skills. Excellent communication skills and the ability to work within a collaborative engineering team. Desirable Skills Microsoft Azure Fundamentals (AZ-900) and / or Azure Administrator (AZ-104). Experience with Kubernetes, OpenShift and Docker. Exposure to Terraform, Ansible or other Infrastructure as Code tools. Scripting skills ...

certification (Microsoft, CompTIA, Cisco or ITIL) Strong communication and problem-solving skills Willingness to undergo DBS clearance Technical experience Microsoft 365, Active Directory / Entra, Windows Server (2019+) with Hyper-V, networking (TCP / IP, DHCP, DNS, routing, firewalls), telephony, backup software. ...

Test Infrastructure Engineer - Cheltenham - Security Clearance Required - £600 P / Day Outside IR35 We're looking for an experienced QA Test Infrastructure Engineer to join a growing team delivering secure, high-impact technology for Defence and National Security customers. This is an opportunity to work on complex technical … have experience across infrastructure testing within secure or highly regulated environments and bring knowledge in areas such as: Infrastructure & Networking TCP / IP, DNS, DHCP, routing, switching, VLANs and firewalls Linux / Unix administration and troubleshooting Physical infrastructure including routers, switches ...

Test Infrastructure Engineer - Contract - MOD / Defence Somerset| £600 per day | Outside IR35 | DV Security Clearance Required Are you an Infrastructure Test Engineer with strong QA and testing experience across networks, platforms and Infrastructure as Code? This is an opportunity to work on complex Defence and National Security … deployments. Validate physical, virtualised and cloud infrastructure. Provision and verify test environments alongside DevSecOps teams. Build infrastructure validation and readiness testing into CI / CD pipelines. Identify defects, risks and infrastructure issues ahead of production. Support security assurance, compliance and accreditation activities. Maintain appropriate test evidence and traceability. ...

Systems Engineer - Secure Digital Platform (SDP) Reading / Hybrid (3 days per week on site) 12 Month Contract £71.43 per hour Inside ir35 Active SC Clearance is required for this role Play a key role in delivering the next generation of UK defence capability. We are supporting … Microsoft Azure administration and cloud platform operations Maintaining Windows Server and Linux environments Supporting virtualisation platforms and enterprise hosting solutions Working with Kubernetes / OpenShift container platforms Monitoring system performance, availability and resilience Supporting incident management, troubleshooting and service improvements Contributing to automation and Infrastructure-as-Code initiatives ...

assistance hands and eyes Essential knowledge: 1-2 years' experience in an IT support or technical support role. Knowledge of Microsoft Windows 10 / 11. Familiarity with Microsoft 365 applications. Basic understanding of networking concepts (LAN, WAN, TCP / IP). Basic ...

assistance hands and eyes Essential knowledge: 1-2 years' experience in an IT support or technical support role. Knowledge of Microsoft Windows 10 / 11. Familiarity with Microsoft 365 applications. Basic understanding of networking concepts (LAN, WAN, TCP / IP). Basic ...