301 to 325 of 441 Cisco Jobs in the UK

scale AI and HPC environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN-based fabric networks supporting AI and high-performance computing workloads. •Build scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance for RoCEv2, GPUDirect, and low-latency traffic flows, ensuring maximum … and capacity planning for evolving AI workloads and future-proof infrastructure designs. Required Skills & Expertise: •Proven experience designing and operating VXLAN EVPN-based data center networks. •Strong knowledge of Cisco ACI, Nexus 9000, or Arista EOS platforms. •Expertise in data center routing and switching, including BGP, OSPF, IS-IS, multicast, and fabric path. •Deep understanding of AI-specific networking … Python, Ansible, and Terraform. •Familiarity with GPU-accelerated workloads and distributed systems in AI/ML and HPC environments. Preferred Qualifications & Certifications: •CCNP or CCIE Data Center (highly preferred) •Cisco Certified Specialist – Enterprise Core or Data Center Core •Additional certifications in NVIDIA Networking (Cumulus/Spectrum) or Arista ACE are a plus •Experience with hybrid and multi-cloud networking More ❯

Senior Network Engineer, Cisco, SD WAN, Firewalls Must be eligible for SC Clearance £50,000 - £61,000 Hybrid in Warwickshire VIQU are searching for a Senior Network Engineer to lead major network upgrades and support a complex Cisco environment for a large public sector organisation. This is a permanent, hands-on role. Perfect for a true network specialist … with deep Cisco and SD WAN expertise. Key responsibilities Design, implement and maintain enterprise network infrastructure Lead LAN, WAN and SD WAN upgrades and migrations across multi site environments Configure and support Cisco core networks including LAN Core and ISE plus Switches and Firewalls Ensure high availability and security of network systems in line with best practice Act … as a senior technical point of contact for critical network issues and projects Key requirements Proven experience as a senior network engineer in large complex environments Expert knowledge of Cisco technologies including LAN Core and ISE Strong hands on experience with WAN SD WAN Firewalls and Switches Experience delivering network upgrades and migrations end to end Clear track record More ❯

Senior Network Engineer, Cisco, SD WAN, Firewalls Must be eligible for SC Clearance £50,000 - £61,000 Hybrid in Warwickshire VIQU are searching for a Senior Network Engineer to lead major network upgrades and support a complex Cisco environment for a large public sector organisation. This is a permanent, hands-on role. Perfect for a true network specialist … with deep Cisco and SD WAN expertise. Key responsibilities Design, implement and maintain enterprise network infrastructure Lead LAN, WAN and SD WAN upgrades and migrations across multi site environments Configure and support Cisco core networks including LAN Core and ISE plus switches and firewalls Ensure high availability and security of network systems in line with best practice Act … as a senior technical point of contact for critical network issues and projects Key requirements Proven experience as a senior network engineer in large complex environments Expert knowledge of Cisco technologies including LAN Core and ISE Strong hands on experience with WAN SD WAN firewalls and switches Experience delivering network upgrades and migrations end to end Clear track record More ❯

Senior Network Engineer, Cisco, SD WAN, Firewalls Must be eligible for SC Clearance £50,000 - £61,000 Hybrid in Warwickshire VIQU are searching for a Senior Network Engineer to lead major network upgrades and support a complex Cisco environment for a large public sector organisation. This is a permanent, hands-on role. Perfect for a true network specialist … with deep Cisco and SD WAN expertise. Key responsibilities Design, implement and maintain enterprise network infrastructure Lead LAN, WAN and SD WAN upgrades and migrations across multi site environments Configure and support Cisco core networks including LAN Core and ISE plus switches and firewalls Ensure high availability and security of network systems in line with best practice Act … as a senior technical point of contact for critical network issues and projects Key requirements Proven experience as a senior network engineer in large complex environments Expert knowledge of Cisco technologies including LAN Core and ISE Strong hands on experience with WAN SD WAN firewalls and switches Experience delivering network upgrades and migrations end to end Clear track record More ❯

Engineering, the Lead Engineer will serve as the primary technical liaison for the Parliamentary Digital Service (PDS) representing Telent Engineering across the Palace of Westminster and the wider Parliamentary Cisco Enterprise Estate. This is a hybrid working role, with travel required to the Parliament Estate in London 1-2 days per week initially. What you'll do: Act as … the key technical point of contact between Telent Engineers and the Parliamentary Digital Service (PDS) for all aspects of network engineering. Support the delivery of a large-scale Cisco hardware refresh across the Palace of Westminster and wider Parliamentary Estate, ensuring minimal disruption to live services. Adhere to strict change control processes and maintain up-to-date technical documentation … discussions to align with future requirements and network strategy across the Parliamentary Estate. Who you are: You're a highly skilled network engineer with proven experience in large-scale Cisco enterprise environments, with excellent communication and stakeholder management skills. Key Requirements: Excellent interpersonal skills with exposure to working within pressurised enterprise environments. Strong hands-on experience with Cisco More ❯

Engineering, the Lead Engineer will serve as the primary technical liaison for the Parliamentary Digital Service (PDS) representing Telent Engineering across the Palace of Westminster and the wider Parliamentary Cisco Enterprise Estate. This is a hybrid working role, with travel required to the Parliament Estate in London 1-2 days per week initially. What you'll do: Act as … the key technical point of contact between Telent Engineers and the Parliamentary Digital Service (PDS) for all aspects of network engineering. Support the delivery of a large-scale Cisco hardware refresh across the Palace of Westminster and wider Parliamentary Estate, ensuring minimal disruption to live services. Adhere to strict change control processes and maintain up-to-date technical documentation … discussions to align with future requirements and network strategy across the Parliamentary Estate. Who you are: You're a highly skilled network engineer with proven experience in large-scale Cisco enterprise environments, with excellent communication and stakeholder management skills. Key Requirements: Excellent interpersonal skills with exposure to working within pressurised enterprise environments. Strong hands-on experience with Cisco More ❯

in on-call rota and occasionally work out of regular business hours to facilitate change management and incident resolution. Secure Network Configurations: Establish and maintain secure network configurations including Cisco Meraki and Palo Alto firewalls, routers, switches, and VPNs. Firewall and Access Review: Periodically review firewall rules and user access to the network. Continuous Improvement: Focus on continuous improvement … to performing the role within recognised Values & Behaviours. What you'll bring Advanced Expertise in network solutions including MPLS, Internet, Cloud services, Firewalls, Routers, switches, Palo Alto, Meraki, and Cisco services. Bachelor's degree in relevant field and/or industry recognised certifications i.e. Cisco Certified Network Associate (CCNA). Proficiency in establishing secure network configurations, including firewalls More ❯

tools in at least one language (Python, Perl, C++, Bash, etc.). Experience with and understanding authentication mechanisms including PKI. Proven expertise with network hardware and software, preferably including Cisco, Juniper, HPE, Fortinet etc. - CCNP certification required, JNCIA/JNCIS certification preferred. Strong understanding of wireless protocols with proven experience in Juniper Mist, Cisco WLC and Ruckus Company More ❯

Transition and other adjacent functions in providing world class service to Cisilion customers. Knowledge & Experience Technical expertise in multi-vendor enterprise networking, with a focus on managed services environments. Cisco Certified Network Professional (CCNP) certification as a minimum requirement, with strong proficiency in Cisco routing and switching technologies (Catalyst/Nexus Switches, Layer 2 and Layer 3 switching More ❯

New Role: Network Architect Location: Basingstoke (Hybrid) Salary: Up to £78.000 + £6000 Car Allowance Key Skills: Juniper, Cisco, Gigamon, HLD/LLD, SSM. FMC, FTD, WAN/LAN Clearance: Applicants must be eligible and willing to undergo UK Security Clearance (Requirement being sole British National) About the Role We are looking for an experienced Network Architect to join … Lead Architect/Deputy CTO to align designs with business and technical requirements • Create and maintain high-level and low-level designs (HLD/LLD) for areas such as: Cisco FMC, SSM, FTD, Gigamon HC1 and GigaVUE FM, Juniper WAN/LAN, Endace, NTP, Data Centre Firewall and LAN • Support Network Design and Support Engineers in overcoming delivery and … compliant Required Skills & Experience • Strong background in network architecture and infrastructure design • Experience working on overseas infrastructure solutions • Knowledge of a broad range of network and security technologies (e.g., Cisco, Juniper, Gigamon) • Proficient in network routing protocols, VPNs, virtual routing instances, QoS, security zones/policies, and high availability design • Demonstrable ability to design, configure, and troubleshoot IP addressing More ❯

Network Tester: Hybrid - Remote with adhoc travel to Southampton Inside IR35 Strong understanding of Cisco Routing and Switching, TCP/IP, UDP, BGP, OSPF, MPLS, VLANs, QoS, and multicast. Proficient with tools such as Wireshark, Nmap, iPerf, SolarWinds. Ability to write test scripts or automate test execution using Python, Bash, Ansible or other network automation frameworks. Ability to isolate … and troubleshoot network faults in complex, layered environments - especially in systems where uptime and safety are critical. Expertise of Firewalls (e.g. Cisco ASA, Fortinet, Palo Alto, Check Point), VPNs, ACLs, and segmented VRF type environment. Critical National Infrastructure network experience. Please send in your latest CV Thanks Due to the nature and urgency of this post, candidates holding or More ❯

of understanding the customers business and technical requirements and issues and producing solid network solutions. Demonstrable design experience in proposing and utilizing technologies from multiple global network vendors (e.g. Cisco and Juniper), including production of quality technical documentation for delivery and solution support. Strong technical networking knowledge with industry recognized network certifications such as Cisco CCNA/CCNP More ❯

of understanding the customers business and technical requirements and issues and producing solid network solutions. Demonstrable design experience in proposing and utilizing technologies from multiple global network vendors (e.g. Cisco and Juniper), including production of quality technical documentation for delivery and solution support. Strong technical networking knowledge with industry recognized network certifications such as Cisco CCNA/CCNP More ❯

design and implementation efforts. Your expertise will help optimise the organisations network infrastructure to support our projects effectively. Your responsibilities will include: Designing and implementing scalable network architectures using Cisco and Juniper technologies. Managing MPLS, WAN, and LAN configurations to ensure seamless connectivity. Utilising your knowledge of IP networking and various routing protocols (BGP, OSPF, QoS) to enhance performance … looking for a individual with a strong technical background and a collaborative spirit. The ideal candidate will possess: Proven experience in network architecture and design. In-depth knowledge of Cisco and Juniper systems. Hands-on experience with MPLS , WAN , and LAN technologies. Proficiency in IP networking and routing protocols (BGP, OSPF, QoS). Strong understanding of network security principles More ❯

design and implementation efforts. Your expertise will help optimise the organisations network infrastructure to support our projects effectively. Your responsibilities will include: Designing and implementing scalable network architectures using Cisco and Juniper technologies. Managing MPLS, WAN, and LAN configurations to ensure seamless connectivity. Utilising your knowledge of IP Networking and various routing protocols (BGP, OSPF, QoS) to enhance performance … looking for a individual with a strong technical background and a collaborative spirit. The ideal candidate will possess: Proven experience in network architecture and design. In-depth knowledge of Cisco and Juniper systems. Hands-on experience with MPLS , WAN , and LAN technologies. Proficiency in IP Networking and routing protocols (BGP, OSPF, QoS). Strong understanding of network security principles More ❯

design and implementation efforts. Your expertise will help optimise the organisations network infrastructure to support our projects effectively. Your responsibilities will include: Designing and implementing scalable network architectures using Cisco and Juniper technologies. Managing MPLS, WAN, and LAN configurations to ensure seamless connectivity. Utilising your knowledge of IP networking and various routing protocols (BGP, OSPF, QoS) to enhance performance … looking for a individual with a strong technical background and a collaborative spirit. The ideal candidate will possess: Proven experience in network architecture and design. In-depth knowledge of Cisco and Juniper systems. Hands-on experience with MPLS , WAN , and LAN technologies. Proficiency in IP networking and routing protocols (BGP, OSPF, QoS). Strong understanding of network security principles More ❯

design and implementation efforts. Your expertise will help optimise the organisations network infrastructure to support our projects effectively. Your responsibilities will include: Designing and implementing scalable network architectures using Cisco and Juniper technologies. Managing MPLS, WAN, and LAN configurations to ensure seamless connectivity. Utilising your knowledge of IP networking and various routing protocols (BGP, OSPF, QoS) to enhance performance … looking for a individual with a strong technical background and a collaborative spirit. The ideal candidate will possess: Proven experience in network architecture and design. In-depth knowledge of Cisco and Juniper systems. Hands-on experience with MPLS , WAN , and LAN technologies. Proficiency in IP networking and routing protocols (BGP, OSPF, QoS). Strong understanding of network security principles More ❯

you passionate about network security and ready to take ownership of critical infrastructure? We're looking for a Network Security Specialist to provide expert oversight and governance of our Cisco firewall and network security systems. Reporting to the Connectivity Services Manager, you'll play a pivotal role in ensuring the integrity, performance, and compliance of our firewall, VPN, and … hands-on role, supporting both operational excellence and future transformation initiatives across our global security landscape. Your objectives and responsibilities will focus on Maintaining the integrity and performance of Cisco firewall, VPN, and identity-based access systems. Administering Cisco firewall infrastructure (ASA, FTD) and ensuring configurations meet security and operational standards. Collaborating with third-party service providers to … deliver managed firewall and security services. Supporting the design and troubleshooting of site-to-site and remote access VPNs. Integrating and managing Cisco Identity Services Engine (ISE) for network access control and segmentation. Monitoring performance using dashboards and logs, and generating reports for operational and compliance purposes. Ensuring all changes follow established change management processes. Driving resolution of network More ❯

Toolset. Triage and escalate issues as necessary to ensure rapid resolution. Maintain and manage network security protocols and configurations. Required Skills & Qualifications: Proficiency with VCenter NSX-T. Experience with Cisco Firepower Management Centre. Strong knowledge of Cisco IOS. Familiarity with Cisco ISE. Experience with Juniper Switches & JUNOS. Ability to use SolarWinds for network monitoring. Understanding of Active More ❯

genuine impact in a business that values technical ownership and continuous evolution. This is a hands-on, senior-level role suited to engineers with strong experience in Linux, VMware, Cisco, and infrastructure automation, ideally in a managed services or hosting environment. Key Responsibilities: Serve as the final escalation point for critical infrastructure incidents and issues Administer and maintain Linux … systems (RedHat, CentOS, Ubuntu) Manage virtualisation environments (VMware vSphere, ESXi, vCenter) Support and configure Cisco network infrastructure (routing, switching, firewalls) Drive improvements through automation (Bash, Python, Ansible, Puppet) Lead infrastructure upgrade and optimisation projects Work closely with internal teams and clients to ensure uptime and performance Contribute to disaster recovery planning, monitoring, and best practice documentation Participate in an … What We're Looking For: Proven 3rd line/senior systems admin experience in a hosting or MSP setting Deep understanding of Linux server administration Strong VMware virtualisation skills Cisco networking knowledge (ideally CCNA or equivalent) Experience automating infrastructure with scripting or config management tools Ability to take ownership, troubleshoot end-to-end, and drive real change Desirable Extras More ❯

Senior Network Engineer VOIP, Cisco, Teams Telephony, MPLS, SD-WAN, Meraki Location: Southampton or Tunbridge Wells (Hybrid with home working) Salary: c. £42,000 base + bens Are you an experienced Network Engineer passionate about delivering seamless, resilient connectivity across a diverse technology estate? Are you ready to play a pivotal role in shaping network strategies and optimising service … network infrastructure projects aligned with the Group's technology strategy and standards. Oversee day-to-day network operations, troubleshoot issues, and optimise network performance. Provide technical expertise in VOIP, Cisco Call Manager, Cisco Voice platforms, Teams Telephony, MPLS, SD-WAN, WAN/LAN and Meraki solutions. Manage and evaluate relationships with telecommunications vendors and managed service providers (MSPs … Identify opportunities for network transformation, cost savings, and technology innovation. Maintain compliance with policies, guidelines, and risk management procedures. Skills & Experience Required Essential: Strong hands-on expertise with VOIP, Cisco Voice and Call Manager, Microsoft Teams Telephony, MPLS networks, SD-WAN (Software Defined Wide Area Network), and Meraki. Deep understanding of WAN, LAN, and network optimisation best practices. Experience More ❯

in CUCM voice with expertise in design, implementation, architecture, and third-party call routing support. Certifications: CCNA, CCNP, CCIE, or equivalent highly desirable. Youll be proficient in UC VOICE, Cisco Servers, VMware, Windows Server, VEEAM, Synology, SIP, G711alaw, Cisco CUBE SBCs, Gateways, and modems. Well need you to have strong problem-solving abilities for complex security issues. Excellent More ❯

technical leadership during complex projects and escalations. If you thrive in dynamic environments, have deep knowledge of MPLS and ISP core operations, and can navigate complex configurations across Juniper, Cisco ASA, Fortinet FortiGate, and Aruba platforms, we want to hear from you. Key Responsibilities Enterprise & Data Centre Support - Deliver advanced network support across large-scale enterprise and data centre … environments, managing multi-vendor solutions (Juniper, Cisco ASA, Fortinet FortiGate, Aruba). Complex Network Operations - Implement, configure, and troubleshoot advanced network setups, ensuring high availability, security, and optimal performance. Core MPLS & ISP Infrastructure - Operate and maintain core MPLS and ISP backbone systems, including BGP peering and collaboration with upstream providers. Monitoring & Incident Response - Monitor alerts, enhance visibility via internal … specific utilities to perform packet inspection and troubleshoot complex issues. Skills & Experience Required Proven experience in enterprise and/or ISP network engineering roles. Strong working knowledge of Juniper, Cisco ASA, Fortinet FortiGate, and Aruba network solutions. Expertise in MPLS, BGP, and ISP backbone infrastructure. Experience with network monitoring tools and proactive incident prevention. Solid understanding of routing, switching More ❯

in Basingstoke/Bracknell/Stevenage +SC/DV cleared role - must be eligible for clearance +Sole British - due to nature of the project Skills: + Network Architect + Cisco/Juniper + Delivery architect +Customer focussed +Hands on Architect As a Application Architect, you will contribute to this by working collaboratively in the project team, and designing and … Support the Network Design Engineers and Support Engineers with delivery and operational challenges. Create and be responsible for HLD/LLD components for specific key areas of the solution: Cisco FMC, SSM, FTD, Gigamon HC1 and GigaVUE FM, Juniper WAN and LAN, Endace, NTP, Data Centre Firewall and LAN. Ensure designs produced are fit for purpose and are capable … defect resolution. Strong technical networking knowledge (with vendor certifications) of routing protocols, virtual routing instances, VPNs, Security zones and policies, QoS, high availability Experienced in configuring Juniper (SRX, EX), Cisco and Gigamon network products Solid understanding of customer end to end life-cycle Excellent communications skills (with different teams), willing to share knowledge, able to take ownership and responsibility More ❯

contract. Youll be responsible for firewall rule optimisation, configuration, and transformation activities across complex IT and OT environments. This role requires strong experience across multiple vendors (Palo Alto, Fortinet, Cisco ASA, Check Point) and the ability to collaborate with technical and non-technical stakeholders to maintain compliance and security best practice. Key Responsibilities Configure, implement, and manage firewall solutions … with frameworks such as ISO 27001, NIST, PCI-DSS Automate rule management/reporting where possible (Ansible, Python, APIs) Required Experience Strong hands-on experience configuring Palo Alto, Fortinet, Cisco ASA, Check Point firewalls Skilled in firewall rule tuning and optimisation Background in firewall migration projects and multi-vendor environments Knowledge of network security architecture and best practice Active More ❯