Cisilion has the exciting opportunity for a Cisco focused Senior Technical Consultant to join them on a permanent basis. Cisilion strive to consistently deliver beyond our client’s and employee’s expectations, providing world-class service and market leading technology solutions. We have combined our collective expertise over … practices. KNOWLEDGE & EXPERIENCE - 5+ years of hands-on SMB and Enterprise wired campus consultative design and deployment. - Demonstrate extensive experience of designing and deploying: Cisco Catalyst and Nexus routing and switching, including traditional (C/D/A, 2/3 tier, collapsed core etc) deployments and software … defined solutions (Cisco Software Defined Access (SDA), Catalyst Center/DNAC etc.) Cisco Catalyst SD-WAN and associated services Cisco Secure Firewall and associated components (Management, Secure Client, Policy, NAT, AMP, URL Filtering, TLS Offload, IDS/IPS etc.) Cisco Identity Services Engine (ISE) and associated More ❯
Network Engineer +Permanent opportunity +On site in either Bracknell or Basingstoke +SC cleared role +£50 - £55 k per annum Skills: Juniper Cisco CCNP SC clearance - willingness to go through Your role will involve providing operational support to a large enterprise network that runs 24/7 across two … routing (BGP, OSPF, static routing, HSRP, VRF, tunneling protocols) Solid understanding of Layer 2 technologies (VLANs, port-security, 802.1X, spanning-tree) Experience with firewalls - Cisco Firepower, Cisco ASA and related features (ASDM, ACLs, IPSEC VPNs) Experience working with Cisco Catalyst switches, CiscoNexus switches, Cisco ISR and ASR routers, and Cisco ISE Understanding of network-level encryption Strong experience with Juniper leaves spines and switches F5 Load Balancers Cisco ISE Appliance Catapans If you'd like to discuss this 3rd line Network Engineer role in more detail, please send your updated CV More ❯
OSPF, static routing, HSRP, VRF, tunneling protocols). Solid understanding of Layer 2 technologies (VLANs, port-security, 802.1X, spanning-tree). Experience with firewalls - Cisco Firepower, Cisco ASA and related features (ASDM, ACLs, IPSEC VPNs). Experience working with Cisco Catalyst switches, CiscoNexus switches … Cisco ISR and ASR routers, and Cisco ISE. Understanding of network-level encryption. Strong experience with Juniper leaves spines and switches. F5 Load Balancers. Cisco ISE Appliance. Catapans. Company Benefits: 25 Days annual leave plus public holidays (3 flexible). Pension - Double matching contributions of up to More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Dynamic Search Solutions
engineers. Specialising in advanced enterprise and data centre network infrastructure, the business has built a reputation for delivering robust, scalable solutions using cutting-edge Cisco technologies. With a strong focus on VXLAN-EVPN overlays, Data Centre Fabric (DNFC), and Nexus platforms, they’re seeking a technically driven Network … is supported with structured development and certification sponsorship. Roles & Responsibilities Data Centre Network Design & Delivery: Architect and implement scalable VXLAN-EVPN network solutions using CiscoNexus switching and automation tools. Fabric Infrastructure Expertise: Deliver and manage DNFC environments with NDFC (formerly DCNM), optimising for performance and automation. Technical …/L3, multicast, and VXLAN-related incidents. Skills & Experience Proven experience with VXLAN-EVPN in production data centre environments. Strong hands-on knowledge of CiscoNexus (9K, 7K, 5K) and NDFC. Deep understanding of fabric discovery protocols, multicast, and L2/L3 networking. Experience with automation tools (Ansible More ❯
CIS) team within Network Operations The team is responsible for providing 3rd Line support for the platforms within our control with a focus on Cisco, Fortinet and F5 technologies . (We are looking for candidates with at least 2 of these core technologies) You will be responsible and accountable … encourage you to be your authentic self throughout your application journey with us. The must haves Extensive experience in supporting Data Centre network infrastructure, Cisco (Nexus Fixed and Modular , ASR, ASA, Firepower, ISR, Catalyst), F5 (LTM, GTM, AFM, AWAF) and Fortinet. Operating, configuring and troubleshooting NXOS, IOS XE … IP, Routing, L2/L3 Switching and the OSI model. Certifications or suitable real-world experience to cover one or more of the below: Cisco, CCNP Data Centre , Cisco CCNP Security F5 Technical Certified Technical Specialist in one or more tracks, LTM, DNS, ASM or APM Fortinet NSE More ❯
role, you will design, implement, and maintain critical networking infrastructure while driving automation and efficiency. Key Responsibilities: Oversee the design, implementation, and maintenance of Cisco ACI infrastructure. Develop automation solutions for network tasks using Python, Ansible, and Terraform. Engineer and support enterprise-grade network systems, including Cisco routers … Nexus data centre switches, and wireless LAN controllers. Configure and manage Palo Alto firewalls, ensuring adherence to security standards. Deploy and administer network access control solutions with Cisco ISE (802.1x and TACACS). Optimize uptime and performance using F5 Big-IP load balancers. Design and manage advanced routing … global, 24/7 enterprise environment while mentoring junior team members. Provide occasional weekend and on-call support. What You Bring: Extensive experience with Cisco networking, including routers, switches, and wireless infrastructure. Deep understanding of Palo Alto firewalls, Panorama, and security tools such as Cisco ISE. Hands-on More ❯
role, you’ll design, implement, and maintain critical networking infrastructure while driving automation and efficiency. Key Responsibilities: Oversee the design, implementation, and maintenance of Cisco ACI infrastructure. Develop automation solutions for network tasks using Python, Ansible, and Terraform. Engineer and support enterprise-grade network systems, including Cisco routers … Nexus data centre switches, and wireless LAN controllers. Configure and manage Palo Alto firewalls, ensuring adherence to robust security standards. Deploy and administer network access control solutions with Cisco ISE (802.1x and TACACS). Optimise uptime and performance using F5 Big-IP load balancers. Design and manage advanced … global, 24/7 enterprise environment while mentoring junior team members. Provide occasional weekend and on-call support. What You Bring: Extensive experience with Cisco networking, including routers, switches, and wireless infrastructure. Deep understanding of Palo Alto firewalls, Panorama, and security tools such as Cisco ISE. Hands-on More ❯
Job Overview: We are seeking an experienced Senior Network Engineer with deep expertise in Cisco ACI, SDN technologies, and broader traditional networking and security solutions. The successful candidate will be responsible for the design, implementation, automation, and operational support of complex network infrastructures, ensuring high availability and performance across … candidates with active SC Clearance will be considered. This role is Inside IR35. Key Responsibilities: Lead and support the deployment, configuration, and management of Cisco ACI SDN and MSO environments. Provide operational support and troubleshooting for Cisco networking and security appliances including Nexus, Catalyst switches, and Firepower … initiatives. Collaborate cross-functionally with infrastructure, security, and application teams. Minimum Qualifications: Active SC Clearance (mandatory). Deep knowledge and hands-on experience with Cisco ACI SDN and MSO (development and operations). Certification in Cisco networking (minimum CCNP level) or equivalent industry experience. Proven experience with traditional More ❯
role, you’ll design, implement, and maintain critical networking infrastructure while driving automation and efficiency. Key Responsibilities: Oversee the design, implementation, and maintenance of Cisco ACI infrastructure. Develop automation solutions for network tasks using Python, Ansible, and Terraform. Engineer and support enterprise-grade network systems, including Cisco routers … Nexus data centre switches, and wireless LAN controllers. Configure and manage Palo Alto firewalls, ensuring adherence to robust security standards. Deploy and administer network access control solutions with Cisco ISE (802.1x and TACACS). Optimise uptime and performance using F5 Big-IP load balancers. Design and manage advanced … global, 24/7 enterprise environment while mentoring junior team members. Provide occasional weekend and on-call support. What You Bring: Extensive experience with Cisco networking, including routers, switches, and wireless infrastructure. Deep understanding of Palo Alto firewalls, Panorama, and security tools such as Cisco ISE. Hands-on More ❯
reading, south east england, United Kingdom Hybrid / WFH Options
Hamilton Barnes 🌳
Network Engineer – Cisco Partner Location: Remote (M4 Corridor – Farnborough, Milton Keynes, Northampton, Slough) Customer-Facing | Design, Build & Implement | Cisco & Datacentre Focused We’re working with a leading Cisco Partner to hire a Network Engineer with the energy, confidence, and technical skillset to take on full project ownership … You’ll Be Doing Visiting customer datacentres and sites to deliver network projects Taking customer requirements and producing network designs Building, configuring, and implementing Cisco-based solutions Installing and configuring switches , firewalls, and related infrastructure Acting as a trusted advisor to customers and a technical lead on-site Tech … You’ll Work With Cisco Catalyst & Nexus switching platforms Cisco Firepower, Meraki , and potentially Fortinet or Extreme Networks Projects covering datacentres , site-to-site connectivity, and core switching/routing infrastructure Requirements CCNA to CCNP-level knowledge and experience Strong understanding of Cisco networking technologies Experience More ❯
Reading, England, United Kingdom Hybrid / WFH Options
Hamilton Barnes
Job Description Network Engineer – Cisco Partner Location: Remote (M4 Corridor – Farnborough, Milton Keynes, Northampton, Slough) Customer-Facing | Design, Build & Implement | Cisco & Datacentre Focused We’re working with a leading Cisco Partner to hire a Network Engineer with the energy, confidence, and technical skillset to take on full … You’ll Be Doing Visiting customer datacentres and sites to deliver network projects Taking customer requirements and producing network designs Building, configuring, and implementing Cisco-based solutions Installing and configuring switches , firewalls, and related infrastructure Acting as a trusted advisor to customers and a technical lead on-site Tech … You’ll Work With Cisco Catalyst & Nexus switching platforms Cisco Firepower, Meraki , and potentially For... More ❯
Science, Engineering, or related field Certifications such as CCNA, CCNP required; Cloud (AWS, Azure), ITIL, or Project Management certifications preferred Technical Skills: Expertise with Cisco (Routing, Switching, Nexus, ACI, Firepower), Zscaler, Checkpoint, Brocade, and Tufin Familiarity with SDN, SD-WAN, and SASE architectures Strong scripting and automation skills … e.g., Python, Ansible) Experience with Windows and Linux-based environments Professional Experience: Proven experience supporting and implementing network infrastructure using Cisco and Checkpoint technologies Hands-on troubleshooting of complex network issues, including collaboration with cross-functional and vendor teams Experience designing and deploying Tufin-based network access controls More ❯
Minimum Criteria • Deep knowledge of Cisco ACI SDN and MSO, across development and operations • Certification in Cisco networking to CCNP level, or with equivalent industry experience • Experience of traditional Cisco networking and security appliances – Nexus, Catalyst, ACI, Firepower/ASA, etc. Good knowledge of at least … of these areas: 1. Cisco ACI 2. Wireless networking 3. F5 load balancing (BigIP, BigIQ) 4. Cisco campus networking 5. Firewalls and Flow Analyzers – Checkpoint, Cisco Firepower, Algosec 6. Infoblox Suite (IPAM, DNS, DHCP) 7. Network Monitoring/Management Tools such as Entuity, PRTG More ❯
reliability, and accelerating deployment. You’ll diagnose complex WAN issues, automate deployments, and manage next-gen data centre environments built on VXLAN-EVPN fabrics (Cisco & Arista), all while collaborating in an agile, highly technical environment. ⚙️ Tech You’ll Be Working With VXLAN-EVPN (Cisco & Arista) Nexus Dashboard More ❯
london (west drayton), south east england, United Kingdom
Hamilton Barnes 🌳
plus 1-hour break - Flexible starts between 8–11am Key Responsibilities: Design, implement, and manage networking solutions (routing, switching, firewalls) Support core network infrastructure: Cisco Catalyst 9200/9300 , Nexus 5000 , FTD under FMC , FortiGate Participate in Weekend support (1 in 5 weekends) with time-off in lieu … across live broadcast studios and data centres Experience Required: Must-Haves: CCNP-level knowledge or equivalent 5–10 years of hands-on experience with Cisco routers, switches, firewalls Strong background in network design Extensive BGP Experience Nice-to-Haves: Basic Linux CLI Network automation experience Multicast/Production/ More ❯