1,288 Cisco Engineer jobs in the United Kingdom

Location: Taunton
Start Date: Week commencing 18th (flexible)
Duration: 4 weeks

Rate: 400 - 450 per day (Inside IR35)
Security Clearance Required: SC Cleared

We're looking for a Contract Network Engineer to support a short-term deployment project in Taunton .

This role involves loading pre-built Cisco configurations onto new equipment - no installation, racking, or patching required. You'll be working with a pre-staged environment and following a clear set of tasks focused purely on configuration upload and validation.

• Valid SC Clearance

• Hands-on experience with Cisco routers, switches , and config management

• Familiarity with tools such as PuTTY , CMD , or terminal interfaces

• Ability to follow pre-defined processes accurately and securely

This is a straightforward but important piece of work, ideal for a reliable engineer who knows their way around Cisco CLI and wants a clean, focused contract.

To apply or learn more, please get in touch ASAP.

ECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy.

Network Engineer – Cisco/Nexus/ISE/ACI/Fortigate

3 Month contract with extension

We are looking for a number of strong Cisco Engineers with high level experience of design and implementation across Nexus Routing and Switching, ISE, ACI, Firewalls with CCNP or higher certification. The role is an onsite position working on a large scale enterprise level project to overhaul the entire networking security infrastructure.

Required Skills and Experience:

• Holding CCNP or CCIE certifications
li>Exceptional experience across design and implementation.
• Strong experience of Firewalls, including Palo Alto, Fortigate, ideally certified
• Strong experience working within a data centre environment, including strong Routing and Switching
• Strong experience of Nexus and ISE.
• Happy to be part of a team delivering BAU or project support as well as contributing to the overall security.

This is a high level project and you will be required onsite Monday to Friday, the offices being based in West London.

Network Engineer – Cisco/Nexus/ISE/ACI/Fortigate

3 Month contract with extension

We are looking for a number of strong Cisco Engineers with high level experience of design and implementation across Nexus Routing and Switching, ISE, ACI, Firewalls with CCNP or higher certification. The role is an onsite position working on a large scale enterprise level project to overhaul the entire networking security infrastructure.

Required Skills and Experience:

• Holding CCNP or CCIE certifications
li>Exceptional experience across design and implementation.
• Strong experience of Firewalls, including Palo Alto, Fortigate, ideally certified
• Strong experience working within a data centre environment, including strong Routing and Switching
• Strong experience of Nexus and ISE.
• Happy to be part of a team delivering BAU or project support as well as contributing to the overall security.

This is a high level project and you will be required onsite Monday to Friday, the offices being based in West London.

We are a $13+ billion global technology company, home to more than 224,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud, and AI, powered by a broad portfolio of technology services and products.

HCLTech is a globally recognized leader in the Tech and IT industry, but we’ve never forgotten the startup mindset that got us here. We’ve always approached our work with an idea-first attitude because every one of our accomplishments —no matter how big or small —can be traced back to an idea’s single spark.

It’s that spark —that inner drive —that sets our people apart from our competitors. It enables us not just to pull off game-changing feat after game-changing feat but to better our world in the process. We want you to find your spark. Because that’s what drives you to be better, be more and ultimately, be more fulfilled.

Position: - Network Consulting Engineer – VXLAN & AI Data Center Networking

Location- London, UK

Job Type- FHybrid

Full time Employment - Permanent

Role Overview:

We are seeking a highly skilled Network Consulting Engineer (NCE) to design and implement next-generation VXLAN EVPN-based data center networks that support hypercomputing and AI infrastructure. This role is central to enabling the high-performance, low-latency environments required for multi-GPU clusters, distributed training pipelines, and scalable AI workloads.

The ideal candidate will bring deep expertise in VXLAN, BGP, EVPN, RoCEv2, and fabric-based networking, along with a solid understanding of the networking demands of large-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 throughput and minimal jitter for GPU-accelerated clusters.

•Configure underlay and overlay protocols including BGP, OSPF, IS-IS, and troubleshoot connectivity and control-plane issues.

•Integrate data center fabric with virtualization platforms such as VMware NSX, KVM, and Hyper-V, as well as Kubernetes-based AI infrastructure.

•Collaborate with compute, storage, and DevOps teams to ensure end-to-end performance across AI training, fine-tuning, inference, and ETL pipelines.

•Drive network automation efforts using tools such as Python, Ansible, and Terraform, enabling Infrastructure-as-Code (IaC) for repeatable, scalable deployments.

•Participate in performance tuning, benchmarking, 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 needs, including RoCEv2, DCB, PFC, and RDMA optimization.

•Hands-on experience with automation and orchestration tools such as 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 for AI clusters is desirable

We are a $13+ billion global technology company, home to more than 224,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud, and AI, powered by a broad portfolio of technology services and products.

HCLTech is a globally recognized leader in the Tech and IT industry, but we’ve never forgotten the startup mindset that got us here. We’ve always approached our work with an idea-first attitude because every one of our accomplishments —no matter how big or small —can be traced back to an idea’s single spark.

It’s that spark —that inner drive —that sets our people apart from our competitors. It enables us not just to pull off game-changing feat after game-changing feat but to better our world in the process. We want you to find your spark. Because that’s what drives you to be better, be more and ultimately, be more fulfilled.

Position: - Network Consulting Engineer – VXLAN & AI Data Center Networking

Location- London, UK

Job Type- FHybrid

Full time Employment - Permanent

Role Overview:

We are seeking a highly skilled Network Consulting Engineer (NCE) to design and implement next-generation VXLAN EVPN-based data center networks that support hypercomputing and AI infrastructure. This role is central to enabling the high-performance, low-latency environments required for multi-GPU clusters, distributed training pipelines, and scalable AI workloads.

The ideal candidate will bring deep expertise in VXLAN, BGP, EVPN, RoCEv2, and fabric-based networking, along with a solid understanding of the networking demands of large-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 throughput and minimal jitter for GPU-accelerated clusters.

•Configure underlay and overlay protocols including BGP, OSPF, IS-IS, and troubleshoot connectivity and control-plane issues.

•Integrate data center fabric with virtualization platforms such as VMware NSX, KVM, and Hyper-V, as well as Kubernetes-based AI infrastructure.

•Collaborate with compute, storage, and DevOps teams to ensure end-to-end performance across AI training, fine-tuning, inference, and ETL pipelines.

•Drive network automation efforts using tools such as Python, Ansible, and Terraform, enabling Infrastructure-as-Code (IaC) for repeatable, scalable deployments.

•Participate in performance tuning, benchmarking, 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 needs, including RoCEv2, DCB, PFC, and RDMA optimization.

•Hands-on experience with automation and orchestration tools such as 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 for AI clusters is desirable

Cisco Network Engineer
Hereford
Salary up to 55k


A CISCO qualified Network Engineer is required to support the setup, testing, and maintenance of secure communication systems, including satellite and terminal equipment. You will work with emerging technologies to integrate systems across various networks and deliver technical demonstrations, responding to customer queries as needed.

Due to the nature .

WHJS1_UKTJ

World Wide Technology (WWT), a global technology integrator and IT solutions provider.World Wide Technology, established in 1990 in St. Louis, Missouri, collaborates with OEMs like Cisco and Dell EMC to offer infrastructure security and custom app development services to Fortune 500 companies in various sectors. With over 10,000 employees globally, we generate $17 billion in annual revenue and ope.

Team purpose

We are here to change lives through better sight and hearing by delivering outstanding value, being loved by every customer and creating the place where all colleagues are proud to belong as we grow our business.

The Network Platform team will own and develop (with the Enterprise Architecture team) the strategic network roadmap. Delivering changes, product development and maintenance required to achieve the objectives of the roadmaps. The team will also provide support and technical expertise in the case of a major incident. They work closely with third-party partners to deliver a safe, resilient, robust Network Platform and continuously review the industry and market, testing new concepts and technologies that can add value.

Your purpose

The Network Security Engineer supports the Lead Network Security Engineer in delivering the Network Security Roadmap. This role supports the implementation of Infosec-driven initiatives and acts as the second line of escalation for Network Security Incidents and ad hoc service and portfolio support requests. This role is accountable for establishing and maintaining secure network configurations, including firewalls, routers, switches, and VPNs, and periodically reviewing firewall rules and user access to the network. The Network Security Engineer focuses on continuous improvement through automation and tooling, working with Security Operations to monitor and analyse network traffic for malicious activity or potential breaches. Additionally, this role implements network access controls, enforces robust patch management for network devices, and works with network security partners to identify network vulnerabilities, planning and implementing upgrades to ensure the highest standards of network security.

This role is required to participate in an on-call rota for out-of-hours escalations for the Global Network Team.

Your role

• Support Network Security Roadmap: Assist in delivering the Network Security Roadmap.

• Subject Matter Expertise: Provide network subject matter expertise on Infosec-driven initiatives.

• Incident Escalation: Second line of escalation for network security incidents, as well as specific security Service and Portfolio Requests i.e. Meraki configuration and firewall changes.

• On Call Rota: Participate 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 through automation and tooling.

• Monitoring and Analysis: Collaborate with Security Operations to monitor and analyse network traffic for malicious activity or potential breaches.

• Access Controls: Implement network access controls to ensure only authorised users and devices can access specific network segments.

• Vulnerability and Patch Management: Identify and manage the remediation of network vulnerabilities and upgrades to ensure the highest standards of network security. This includes vulnerability management of the store Meraki estate. Perform robust patch management for network devices.

• IT Values Commitment: Champion and commit 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, routers, switches, and VPNs.

• Experience with network access controls, vulnerability and patch management.

• Experience in implementing network-security solutions.

• Excellent verbal and written communication skills to articulate technical concepts to both technical and non-technical stakeholders.

• Expertise in monitoring and analysing network performance and incidents.

• Previous experience participating in on-call rotations and managing out-of-hours incidents effectively.

• Strong analytical skills to assess complex technical problems and develop effective solutions.

• Expertise in troubleshooting and resolving network security-related issues.

• Ability to work closely with cross-functional teams, including architecture, infosec and regional implementation teams.

• Dedication to performing the role within recognised values and behaviours.

Summer-Browning Associates is currently supporting our public sector client, who is seeking a Network Security Engineer for an initial twelve-month assignment with the option to extend.

Location: Hybrid working - Kidlington or Southampton

About the role: You will be responsible for day-to-day operation and control of all aspects of the client's sites and local area communications network infrastructure including Voice.

The ideal candidate will hold Active SC and have a strong background in delivery Network & Security support, with the following skills and experience:

• Experience with Checkpoint, Fortinet, Cisco & Solarwinds.
• Knowledge of IT and Voice Networks.
• Holds a recognised IT Networking qualification, or equivalent experience.
• Knowledge of Networking protocols & standards.