1 to 25 of 46 Permanent TCP/IP Jobs in the City of London

such as Azure, AWS, and Google Cloud, ensuring efficient integration and management of resources. Networking Technologies: Configure, support, and troubleshoot WAN technologies, including but not limited to: OSPF / IS-IS, BGP for dynamic routing GRE, IPSEC for VPN tunnels Quality of Service (QoS), Multicasting Layer 2 and Layer 3 connectivity WAN acceleration and optimization techniques. IP and Subnetting: Deep knowledge of TCP / IP networking, including subnetting, addressing schemes, and routing protocols. Cloud Automation (Terraform): Develop and manage Infrastructure-as-Code (IaC) solutions using Terraform for cloud infrastructure deployments, scaling, and management. Network Services Management: Oversee the deployment and support of network services, including but not limited to … DHCP, DNS, IPAM, and IP-based network configurations. Virtual Server Technologies: Experience managing virtual server environments, supporting infrastructure related to virtualization platforms such as VMware, Hyper-V, or equivalent. Storage Technologies: Administer and manage Storage Area Network (SAN) and Network-Attached Storage (NAS) technologies. Collaboration: Work closely with cross-functional teams to ensure seamless network infrastructure deployment, security More ❯

based in Central London, providing innovative networking solutions to a diverse range of clients. As part of our continued growth, we are looking for a Junior Network Engineer / Network Technician to join our technical team. This is an excellent opportunity for an individual with a passion for networking and IT infrastructure who is eager to develop hands … providing technical support Who We Are Looking For A diploma or degree in Computer Networking, IT, or a related field (or equivalent experience) Basic understanding of networking concepts (TCP / IP, DHCP, DNS, VLANs, VPNs) Familiarity with networking hardware such as Cisco, Juniper, or HP switches and routers Strong troubleshooting skills and a proactive More ❯

theatres Developing the organisation’s efficiency and use of data to drive informed decisions. Leading on the implementation of Microsoft solutions such as power automate an power BI / Microsoft Fabric. Maximising the investment in existing solutions Driving value from the existing services and licenses in place, including the Microsoft E3 license. Ensure compliance with security policies, regulatory … or similar role. Networking skills at a level commensurate with a Cisco CCNP and System support skills equivalent to an MCSE. Strong knowledge of Windows Server OS (2016 / 2019 / 2022). Expertise in Active Directory, Group Policy, DNS, DHCP, and related services. Experience with Microsoft Azure, including Azure AD and virtual machines. Proficiency in … PowerShell scripting and Power Automate. Understanding of networking systems, including TCP / IP, routers, firewalls, and VPNs. Experience with SQL Experience of supporting identity and access management solutions. Knowledge of backup solutions, disaster recovery, and high-availability configurations. Familiarity with security best practices and compliance frameworks, including PCI-DSS and GDPR. Strong troubleshooting skills More ❯

Our client - a global multi-asset investment firm - is expanding its EMEA tech team and hiring into their enterprise support function. You’ll focus on high-level (3rd / 4th line) support across offices, data centres, and cloud integrations - working closely with senior engineers and US counterparts to support a mission-critical network environment. This is a hands … support as needed What You Bring... 3-5 years of hands-on experience in network engineering or infrastructure support roles Strong knowledge of network protocols and technologies including TCP / IP, BGP, OSPF, DNS and DHCP Experience supporting Cisco and / or Meraki-based infrastructure in a production environment Proficiency with Palo … Alto firewalls and related security technologies Knowledge of network automation tools or scripting languages (e.g. Python, Ansible) Familiarity with Windows Server and / or Linux systems from a network troubleshooting perspective Strong analytical and troubleshooting skills with a detail-oriented mindset Familiarity with AWS or Azure networking principles (Preferred) Exposure to SD-WAN solutions (e.g. Silver Peak, Aruba More ❯

specific focus on Cisco WAN technologies, including ASR and Nexus9K. Expertise in LAN, WAN, MPLS, VPLS, LDP, GRE, BGP, OSPF, and ISIS within a VRF context for L2 / L3VPN services, Traffic Engineering, and RSVP. Comprehensive knowledge of multicast concepts, including PIM-SM, PIM-SSM, IGMP, MVPN, and MLDP. Proficiency in product-aligned, service-focused work, with a … with Agile methodologies (Scrum, Kanban) and project management tools like JIRA. Excellent skills in network packet analysis and packet capture tools for troubleshooting. Familiarity with load balancing technologies, TCP / IP, and multicast in Internet environments. Understanding of low-latency technologies commonly used in the financial sector. Experience in Data Centre Networking, including … at least once a week. This is an inside IR35 position The position is 6-12 months with a view to going permanent In terms of daily rate / annual salary, we are awaiting further details More ❯

degree in engineering or a related discipline with extensive experience Strong experience in either implementation, configuration or troubleshooting in service provider or enterprise network. Efficient network understanding (LAN, TCP / IP, DNS, DHCP, NAT / PAT, static routing) Knowledge on SDN-NFV and SD-WAN Working experience of Cloud Computing Platforms like More ❯

SDN), Cisco ACI, VxLAN, and related technologies, is valuable. Understanding cloud environments and possessing knowledge of network security, including standard processes, is beneficial. Familiarity with load balancing technologies, TCP / IP, and multicast in internet environments is important. Proficiency in required Service Management processes, ideally with ITIL knowledge, is advantageous. Exposure to the More ❯

Skills & Experience: Experience with Meraki, Palo Alto Firewalls, and cloud platforms (Azure, AWS, GCP) Strong skills in Azure, and Infrastructure as Code (IaC) tools like Terraform Expertise in TCP / IP, subnetting, and modern network technologies Experience configuring and supporting WAN technologies including BGP, OSPF, VPNs and IPSEC Automation experience Solid understanding of WAN … technologies, DHCP / DNS, SAN / NAS, and virtual servers Strong problem-solving, organisational, and communication skills In return they can offer a salary of up to £75,000 depending on experience, with total package increasing over £80,000, hybrid working and many other benefits. If interested, then please apply today More ❯

Permanent Start: ASAP Required Skills and Experience: Proven Experience in Managed Services: Demonstrated ability to support multiple clients within a B2B environment In-depth knowledge of networking protocols (TCP / IP, DNS, DHCP) and configurations (VLANs, VPNs, firewalls) ITIL Framework Proficiency: Practical application of ITIL principles to streamline IT operations Cloud Expertise: Hands-on … Teams, Active Directory, Entra ID, Intune, Autopilot Advanced Troubleshooting: Expert-level troubleshooting skills for Microsoft Server and Desktop Operating Systems Virtualization and Backup: Experience with Hyper-V and / or VMware virtualization environments Knowledge of enterprise backup and recovery solutions Security-Focused: Strong understanding of security best practices and their implementation If you are interested in this position More ❯

NAS appliances, ensuring data availability, backups, and secure access control. Design, deploy, and maintain scalable and secure IT infrastructure on-premises (in labs or data centres) or hybrid / cloud environments. Monitor and troubleshoot network performance, ensuring quality of service (QoS), uptime, and reliable connectivity across all environments. Define and enforce infrastructure security best practices, including access control … traffic monitoring. Maintain documentation for all network configurations, topologies, procedures, and hardware assets. Expertise Proven experience in network engineering, including Wi-Fi setup, switching, routing, and network troubleshooting (TCP / IP, DNS, DHCP, VLANs, VPNs, PHY basics, iptables). Experience administering Linux-based local servers, file systems, and hardware configurations in lab or enterprise … e.g., Terraform, Ansible). Strong understanding of IT security principles, especially for mixed on-prem and cloud environments. Comfortable with hardware installation, cable management, and diagnosing physical network / storage issues in lab settings. Experience supporting real-time applications or high-availability systems that depend on fast and stable networking. Preferred Skills Experience managing GPU servers, containerised workloads More ❯

Lead the design and development of a new global data platform (PaaS) Ensure scalable storage solutions (data lakes, data warehouses) to handle structured and unstructured data. Implement ETL / ELT pipelines using Dagster, Airflow, or similar tools. Optimize performance and scalability for large data volumes. Govern data security, compliance, and access controls. Development & DevOps: Strong programming and scripting … skills in Python. Knowledge of Event-Driven Architectures (Kafka). Collaborate with DevOps teams to implement CI / CD pipelines and infrastructure as code using tools like Terraform, CloudFormation, and Ansible. Implement and manage monitoring and observability tools such as Datadog. Ensure real-time logging, alerting, and troubleshooting capabilities. Collaboration & Stakeholder Management: Work closely with business units, developers … and collaborate across different software project areas. Provide training and mentorship to more junior team members and stakeholders. Strong communication skills for stakeholder interaction and documentation. Key Qualifications / Skills Bachelor’s degree in Computer Science, Information Technology, or related field 7+ years of experience in IT Architecture, with at least 5 years specializing in AWS Cloud Technologies. More ❯

an IT support or junior sysadmin role, ideally within a financial or MSP setting Solid understanding of Microsoft technologies (Active Directory, Group Policy, Exchange) Basic knowledge of networking (TCP / IP, DNS, DHCP) Some familiarity with PowerShell or Python, or a strong desire to develop automation skills A proactive, self-starter mindset with strong More ❯

to 10 years of IT support experience Strong knowledge of desktop environments including Windows 7 and MS Office 2010 Knowledge of Windows 10 and Office365 is advantageous Good TCP / IP, RAS, SCCM knowledge is beneficial Experience with Microsoft Dynamics, Azure, CRM Ability to provide user training and support change management Understanding of Wyse … Terminal, Citrix, Virtual Desktops Experience supporting mobile technology and applications Knowledge of Ricoh Printers and voice / network architectures Understanding of TCP / IP protocols, cabling, WAN / LAN architecture Knowledge of Avaya IP Telephony and Polycom Video Conferencing Industry-recognized qualifications such as MCSA Windows 7 / 10, MCSE, MOS Knowledge of Apple Desktop / Laptop / OSX is an advantage ITIL Foundation certification is a plus Ability to work under pressure, take ownership, and meet deadlines Excellent communication skills Flexible team player comfortable in a multinational environment #J-18808-Ljbffr More ❯

network infrastructure. NOC Manager - Third Line Network Team Location: London | Hybrid (UK-based) Salary: £90,000 + 5% Bonus Type: Full-Time, Permanent Client: Leading Managed Service Partner / Consulting Business Note: Huge Career Progression Oppertunities CCNP / Cisco Certified Network Professional - IS A MUST! Are you a dynamic and experienced leader with a passion for … leadership experience managing a third-line support or NOC engineering team. Strong expertise in ServiceNow ITSM or similar service management platforms. Advanced knowledge of networking protocols and technologies (TCP / IP, BGP, OSPF, VLANs, STP, etc.). Hands-on experience with enterprise-grade networking solutions from Cisco, Juniper, Fortinet, and Palo Alto Networks. Solid … understanding of network security principles, including firewalls, VPNs, IDS / IPS systems. Relevant certifications or equivalent knowledge at CCNP (ENT / DC / SP / SEC) or JNCIP-ENT level. Exceptional communication skills, with the ability to present complex technical issues to stakeholders at all levels. A proactive problem solver with strong More ❯

Be among the first 25 applicants Join to apply for the AWS DevOps & System Administrator role at VE3 Job Title: AWS DevOps & System Administrator Location : United Kingdom (Hybrid / Remote / In-Office) Experience : 5+ Years Employment Type : Full-Time Job Summary We are seeking an experienced Job Title: AWS DevOps & System Administrator Location : United Kingdom … Hybrid / Remote / In-Office) Experience : 5+ Years Employment Type : Full-Time Job Summary We are seeking an experienced AWS DevOps & System Administrator to manage our cloud infrastructure, deployment pipelines, and system administration tasks. You will be responsible for maintaining high availability, scalability, and security of our systems hosted on AWS while streamlining DevOps practices … across our teams. Requirements Key Responsibilities Design, implement, and manage AWS cloud infrastructure (EC2, VPC, IAM, RDS, S3, CloudWatch, etc.). Maintain and optimize CI / CD pipelines using tools like GitHub Actions, Jenkins, or AWS Code Pipeline. Perform system administration tasks for Linux / Unix-based environments. Ensure infrastructure as code (IaC) using Terraform, AWS More ❯

experience across 1st and 2nd line support , with valuable exposure to 3rd line issues and critical cyber security initiatives . What You'll Be Doing: Supporting Windows 7 / 10 / 11 environments and Office 2016 / 2019 / M365 Building and maintaining desktops and laptops (hardware / software) Managing … core networking protocols - TCP / IP, DHCP, DNS Handling video conferencing support (Teams, Zoom) Working closely with the security team on system alerts and best practices Supporting users with mobile devices (iPhone, iPad, Android) Actively participating in infrastructure upgrade and other IT projects What You'll Need: A solid grounding in desktop support and … Microsoft technologies. Strong communication and interpersonal skills, with a proactive and eager approach to learning. Bonus points for: Any knowledge of AD / M365 admin, IP telephony, Cyber Essentials, VLANs, or Mac OS. This is a fantastic opportunity to gain valuable experience in a technically rich environment , where your contributions will be genuinely valued and your More ❯

of Europe’s largest commercial audio groups, they’re scaling their platform and prepping for a wave of growth, to support the Head of Infrastructure across their 24 / 7 environment. You’ll be the go-to for all things DevOps and Linux systems – automating infrastructure with Ansible, supporting live and on-demand audio services, and playing a … AWS and GCP. Tech you’ll need to know Strong Linux sysadmin experience - preferably Debian Ansible (non-negotiable) Comfortable across IAC, networking, and general troubleshooting in a 24 / 7 production environment. Proficiency in TCP / IP, DNS management, and troubleshooting network issues. Experience with BGP / OSPF and Juniper … technologies is highly desirable. Web tech (Nginx / Apache), containerisation (Docker), cloud (AWS a bonus), and basic DB admin - MySQL or Galera is ideal Bonus: any experience in audio streaming or media platforms Set-up & culture Team of 10: mix of infra, dev, and customer support Fully remote, but some occasional travel to data centres (UK & Europe) Choice More ❯

chance to develop your network automation skills using Python and Ansible. Previous experience will be a plus, as will a solid understanding of network concepts and protocols, including TCP / IP, BGP, OSPF, DNS, and DHCP. While the position will see you take ownership of the London office Network, there will still be plenty More ❯

Alto firewalls. Develop network automation skills using Python and Ansible. Own and manage the network infrastructure in the London office. Support and maintain network concepts and protocols including TCP / IP, BGP, OSPF, DNS, and DHCP. Work onsite four days a week with one day WFH. Qualifications: Previous experience in network engineering is preferred. More ❯

Fabric’s would be useful including automation and scripting. ISE NAC and monitoring tools such as Solarwinds. Solid understanding of network fundamentals: This includes knowledge of network protocols (TCP / IP, BGP, OSPF), different network devices (routers, switches, firewalls), and network architectures (LAN, WAN, WLAN). Network device configuration: The ability to configure routers More ❯

of this document, please get in touch with at UKI.recruitment@tcs.com or call TCS London Office number 02031552100 with the subject line: “Application Support Request”. Role: Hardware / Software Technical Specialist Job Type: Permanent Location: London, UK Mode of Working : Hybrid (2-3 days in the office) Number of hours: Full-time Ready to utilize your skills … experience in hardware / software integration like Parcel Lockers, ATM & Kiosks? Join us as a Hardware / Software Technical Specialist. Careers at TCS: It means more TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the … thought leadership. Apply technical expertise where it directly improves operations. Contribute to practical problem-solving across teams. Be part of a meaningful, visible outcome. The Role The Hardware / Software Technical Specialist will be responsible for troubleshooting, and ongoing maintenance of parcel lockers, KIOSK, ATM systems with integrating IT systems. This role combines a deep understanding of hardware More ❯

platform readiness: pre-trading & post-trading Provide monitoring and support for end to end transaction flow across the trading platform Quickly identify, analyze and correct alerts & issues and / or escalate to minimize trade flow impact and preempt outages Incident management: create and send reports following established process Intensive interaction with trading community, back office operations, brokers, exchanges … processes, scheduled jobs and regular reports Manage users’ requests: track requests, review approvals, updates, resolution, closure, etc. Identify inefficiencies such as repetitive activities, manual processes and suboptimum tools / workflows to drive continuous improvements via automation, collaboration with internal and external teams Required Qualifications: Hands on trade flow support experience a must Proficient in Linux OS Proficiency with … required Detailed practical knowledge of FIX. Ideally, familiarity with native exchange protocols Experience in SQL (PostgreSQL, MySQL, MS SQL) Familiarity with Kdb+ is a plus Working knowledge with TCP / IP, multicast, tcpdump, clocking (PTP, NTP) – a plus Bachelor’s Degree in Computer Science, Engineering or related subject Highly organized, detailed, control oriented More ❯

practices in network architecture, operations, and incident management. Ensure effective workload monitoring via ServiceNow and foster operational transparency. What You’ll Bring: Demonstrable technical expertise at CCNP (ENT / DC / SP / SEC) or JNCIP-ENT level. Strong experience managing third-line support within a fast-paced environment. Expertise in ServiceNow ITSM and … solid understanding of ITIL processes. Advanced knowledge of routing / switching protocols (BGP, OSPF, VLANs, STP, TCP / IP). Hands-on experience with Cisco, Juniper, Fortinet, and Palo Alto devices. Excellent leadership, communication, and decision-making skills. Leadership / Management experience is a MUST! Apply now to make a More ❯

various projects and initiatives. Must Haves: Bachelor's degree in Computer Science, Information Technology, or related field. CCNP OR CCIE Strong understanding of networking protocols and technologies, including TCP / IP, BGP, OSPF, MPLS, etc. Excellent communication and interpersonal skills. Ability to work independently and as part of a team in a fast-paced More ❯

reports on system performance, hardware health, and issue resolutions for management review. Document best practices, troubleshooting steps, and system configurations to improve operational efficiency Your Profile Essential skills / knowledge / experience: Minimum of 3-5 years of experience in a technical support or systems specialist role, ideally working with automated systems or hardware / … and networking issues, both remotely and on-site. Technical Skills: Advanced knowledge of hardware troubleshooting and repair (touchscreens, sensors, locks, motors, etc.). Solid understanding of networking concepts (TCP / IP, VPN, Wi-Fi, DNS, DHCP). Familiarity with operating systems (Linux, Windows, or Android) used in automated systems. Experience with databases and SQL More ❯