Network Design Architect 2 Month Contract Uxbridge £450/day (Outside IR35) Network Design Architect needed with strong Fortinet and CiscoNexus network solutions experience. Start asap in July/August 2025. 2 Month initial contract based on-site 5 days/week near Hayes (MIddlesex). Strong chance of contract extensions. Must be willing to work full … global IT Consultancy for a Telecoms end client on a large-scale network solutions project. Key skills, experience + tasks will include: Design, configuration + implementation of Fortinet and CiscoNexus network solutions. Preparing Low-Level Design (LLD) and Configuration Design Documents for Cisco + Fortinet network equipment. Writing accurate configuration scripts for: Fortinet SD-WAN, Fortinet … Firewalls (policies, NAT, VPNs), CiscoNexus (data centre switching), Cisco WiFi/LAN, and Routing/Switching platforms. Modifying configurations on current infrastructure to align with new designs, standards and policies. Preparing configuration for new hardware, ensuring it meets security and operational standards prior to deployment. Ensuring security policies, zones, VPNs, NAT and segmentation align with business More ❯
for end-to-end administration of Network, F5 and Forescout technologies Responsible to manage end to end process of firewall management/administration Configuring and troubleshooting issues related to Cisco switches (Nexus) and routers (ASR/ISR) Configuring and maintaining F5 load balancers and troubleshooting F5 related issues Work closely with technology services teams and put-up action … improvements Ability to assess statement of works from NSP and ensure they are in line with expectations and that the assumptions made by the NSP are valid Must Have Cisco Certified Network Associate (CCNA) Certification Strong experience in designing, transitioning, and operating Cisco LAN technologies and routing protocols (EIGRP, OSPF, RIP, BGP) in an enterprise environment (national and … IP networks and supporting infrastructure (DHCP, DNS) Knowledge of network architecture and web related protocols (e.g., TCP/IP, UDP, IPSEC, HTTP/S) Working knowledge and understanding of Cisco ACI infrastructure IPSEC VPN troubleshooting Proven Service Management (ITIL) experience, specifically incident, problem and change management Excellent written and verbal communication skills, with a focus on translating technically complex More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Deloitte
for end-to-end administration of Network, F5 and Forescout technologies Responsible to manage end to end process of firewall management/administration Configuring and troubleshooting issues related to Cisco switches (Nexus) and routers (ASR/ISR) Configuring and maintaining F5 load balancers and troubleshooting F5 related issues Work closely with technology services teams and put-up action … improvements Ability to assess statement of works from NSP and ensure they are in line with expectations and that the assumptions made by the NSP are valid Must Have Cisco Certified Network Associate (CCNA) Certification Strong experience in designing, transitioning, and operating Cisco LAN technologies and routing protocols (EIGRP, OSPF, RIP, BGP) in an enterprise environment (national and … IP networks and supporting infrastructure (DHCP, DNS) Knowledge of network architecture and web related protocols (e.g., TCP/IP, UDP, IPSEC, HTTP/S) Working knowledge and understanding of Cisco ACI infrastructure IPSEC VPN troubleshooting Proven Service Management (ITIL) experience, specifically incident, problem and change management Excellent written and verbal communication skills, with a focus on translating technically complex More ❯
input and build of networks including OT connectivity Extensive experience in a similar role or field based/consulting role CCNP, Routing, Switching & Security with Data Centre experience in Nexus Strong understanding of network security principles and associated technologies Experience of troubleshooting complex enterprise networks and associated technologies Knowledge of Wide Area Networking technologies and associated routing protocols such … as EIGRP, OSPF and BGP is essential to this role Experience of administering and troubleshooting the following technologies and platforms is essential Cisco ISR and ASR Routers (2900/4000/1000ASR) Cisco Hyperflex and UCSx Cisco ASA Firewalls Cisco Switching (3850/3650/2960X/4500X) and associated technologies such as VTP, STP, VSS … Cisco Data Centre Switching (Nexus 5K/7K/9K) and associated technology such as VPC and VDC IPSec VPN Configuration and Administration Cisco FirePOWER IPS Cisco FirePOWER Threat Defence Cisco SD-WAN o Cisco DNAC and Prime Cisco Wireless - WLC's (C9800 series) Palo Alto Networks Firewalls Azure and AWS cloud environments More ❯
input and build of networks including OT connectivity Extensive experience in a similar role or field based/consulting role CCNP, Routing, Switching & Security with Data Centre experience in Nexus Strong understanding of network security principles and associated technologies Experience of troubleshooting complex enterprise networks and associated technologies Knowledge of Wide Area Networking technologies and associated routing protocols such … as EIGRP, OSPF and BGP is essential to this role Experience of administering and troubleshooting the following technologies and platforms is essential Cisco ISR and ASR Routers (2900/4000/1000ASR) Cisco Hyperflex and UCSx Cisco ASA Firewalls Cisco Switching (3850/3650/2960X/4500X) and associated technologies such as VTP, STP, VSS … Cisco Data Centre Switching (Nexus 5K/7K/9K) and associated technology such as VPC and VDC IPSec VPN Configuration and Administration Cisco FirePOWER IPS Cisco FirePOWER Threat Defence Cisco SD-WAN o Cisco DNAC and Prime Cisco Wireless - WLC's (C9800 series) Palo Alto Networks Firewalls Azure and AWS cloud environments More ❯
City of London, London, Farringdon, United Kingdom
83zero Ltd
in configuring and implementing new customer projects Maintain consistent and professional communication with customers Technical Environment You'll be working within a broad and modern technical stack, including: Switching: Cisco, Meraki, Aruba, HP, Dell, Juniper Wireless: Cisco, Meraki, Aruba Security: Palo Alto, Prisma, Fortinet, Cisco ASA SD-WAN: Citrix, Viptela, Meraki, Fortinet, Nuage Other Technologies: Cisco ISE, Cisco DNAC, DOT1x, CiscoNexus 7K/5K/2K Skills & Experience Required Understanding of networking equivalent to CCNA R&S or JNCIS-ENT level Strong knowledge of Layer 2 protocols (STP, Dot1Q, QinQ, VPLS) and Layer 3 protocols (BGP, OSPF, EIGRP, HSRP, VRRP) Excellent communication skills - both written and verbal Strong customer service focus … Have) CCNA, CCNP and/or JNCIS certifications Experience with Unix/Linux systems and scripting (Python, Bash) Hands-on with Juniper SRX/EX, Fortinet, Palo Alto, or Cisco ASA firewalls Familiarity with Alcatel SR & ESS Comfortable using network analysis tools like Wireshark Apply Now: Ready to elevate your networking career? Click " Apply " to submit your CV and More ❯
West Midlands, United Kingdom Hybrid / WFH Options
TXP
teams and provide 4th line support for complex issues. What You'll Bring Deep expertise in routing, switching, and network security, with strong cross-stack awareness. Proven experience with CiscoNexus, Catalyst, ISR/ASR platforms, and Cisco ACI migrations. Advanced knowledge of Cisco and/or Fortigate Firewalls and security features. Strong documentation skills (HLD … communicator and resilient problem-solver with excellent analytical and decision-making abilities. Qualifications Proven track record as a Network Architect or Senior Network Engineer. Essential: Expert-level knowledge of Cisco ACI. Strong understanding of datacentre networking, SDN, and virtualization. Proficiency in BGP, OSPF, and other routing protocols. Relevant certifications (eg, CCNP, CCIE) highly preferred. Experience with automation tools and More ❯
Birmingham, West Midlands, West Midlands (County), United Kingdom Hybrid / WFH Options
TXP
teams and provide 4th line support for complex issues. What You'll Bring Deep expertise in routing, switching, and network security, with strong cross-stack awareness. Proven experience with CiscoNexus, Catalyst, ISR/ASR platforms, and Cisco ACI migrations. Advanced knowledge of Cisco and/or Fortigate firewalls and security features. Strong documentation skills (HLD … communicator and resilient problem-solver with excellent analytical and decision-making abilities. Qualifications Proven track record as a Network Architect or Senior Network Engineer. Essential: Expert-level knowledge of Cisco ACI. Strong understanding of datacentre networking, SDN, and virtualization. Proficiency in BGP, OSPF, and other routing protocols. Relevant certifications (e.g., CCNP, CCIE) highly preferred. Experience with automation tools and More ❯
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Progress Rail Services UK Limited
to network performance, capacity and scalability THE CANDIDATE: The ideal Network Engineer: IT related degree qualification 5+ years IT related work experience Strong networking background with a focus on Cisco routers and switches hardware Extensive knowledge and experience of Core Routing and Switching design, configuration, and troubleshooting Routing protocols OSPF, EIGRP, BGP, ISIS WAN connectivity Spanning-tree, Port Channels … Load balancing, Multicast PIM Sparse/Dense, MSDP, NAT Experience with: LiveNX, Solarwinds, InfoBlox, Cisco ISE, Cisco DNA, Linux, Python/Automation and ServiceNow. Quality Of Service understanding and configuration, able to customize across all Cisco platforms to support Voice, Video, and selected applications Excellent understanding of VPN - site to site, client, IPSEC (including the protocol suite … IKE, DMVPN, tunnel modes, Tunnels between ASAs, Routers* Knowledge and experience of Network Security, including the design, configuration, and tuning of Cisco and Palo Alto appliances Strong background in wireless communication design, configuration *Wireless site assessment and audit Perform network modelling, analysis, and planning MPLS traffic engineering design, configuration, and troubleshooting LDP, TDP, RSVP Label distribution MPBGP-VPNv4, Multi More ❯
Network Engineer - Cisco/Juniper/Fortinet/F5 - Shift Work - London My client, a leading name in the technology space, is looking for an experienced Network Engineer (Inside IR35) to join their team on an initial 3-month contract. This is a key role supporting a complex enterprise environment, requiring strong technical knowledge across both networking and security … least one or more of the following areas are essential: F5 LTM (Local Traffic Manager) Akamai CDN and security solutions Fortinet FortiGate Firewalls & FortiManager Juniper SRX Firewalls and Switches Cisco ISE - for RADIUS and network access control CiscoNexus 7000 series Switches In addition, you'll bring: Proven experience with Access Control Lists (ACLs), network segmentation, and … troubleshooting ability using packet capture and log analysis Familiarity with tools such as SolarWinds, Wireshark, and other SNMP-based monitoring solutions If you have specialist experience in Fortinet, Juniper, Cisco, or F5 technologies and are looking for your next contract opportunity, please apply with your updated CV More ❯
Network Engineer - Cisco/Juniper/Fortinet/F5 - Shift Work - London My client, a leading name in the technology space, is looking for an experienced Network Engineer (Inside IR35) to join their team on an initial 3-month contract. This is a key role supporting a complex enterprise environment, requiring strong technical knowledge across both networking and security … least one or more of the following areas are essential: F5 LTM (Local Traffic Manager) Akamai CDN and security solutions Fortinet FortiGate Firewalls & FortiManager Juniper SRX Firewalls and Switches Cisco ISE - for RADIUS and network access control CiscoNexus 7000 series Switches In addition, you'll bring: Proven experience with Access Control Lists (ACLs), network segmentation, and … troubleshooting ability using packet capture and log analysis Familiarity with tools such as SolarWinds, Wireshark, and other SNMP-based monitoring solutions If you have specialist experience in Fortinet, Juniper, Cisco, or F5 technologies and are looking for your next contract opportunity, please apply with your updated CV More ❯
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Maintech Recruitment LTD
monitors, troubleshoots, and diagnoses network performance, confidentiality, integrity and availability. The role is based on the clients site 5 days per week. You will need to be proficient using Cisco, processes are in place you will just need to maintain and make improvements. The role as a network engineer; Engineering projects to address and resolve business needs Design and … improvements to network performance, capacity and scalability Skills and Experience required for this network engineers role; 5+ years IT related work experience Strong networking background with a focus on Cisco routers and switches hardware Extensive knowledge and experience of Core Routing and Switching design, configuration, and troubleshooting Routing protocols OSPF, EIGRP, BGP, ISIS Multicast PIM Sparse/Dense, MSDP … NAT Experience with: LiveNX, Solarwinds, InfoBlox, Cisco ISE, Cisco DNA, Linux, Python/Automation and ServiceNow. Excellent understanding of VPN - site to site, client, IPSEC (including the protocol suite), IKE, DMVPN, tunnel modes, Tunnels between ASAs, Routers* Knowledge and experience of Network Security, including the design, configuration, and tuning of Cisco and Palo Alto appliances Perform network More ❯
Huntingdon, Cambridgeshire, East Anglia, United Kingdom Hybrid / WFH Options
Leidos Innovations UK Limited
and leading on a variety of change tasks and projects. The preferred candidate will have a range of knowledge and experience in the administration of a service based on Cisco products, be an expert on Network topology and a desire to learn (if required) additional complementary technologies. The Normal Change Network Engineer will work alone and/or as … a team depending on the size and complexity of the change task to deliver network changes in a demanding environment. YOUR ROLE AND RESPONSIBILITIES: Thorough and demonstrable understanding of Cisco Enterprise LAN environments, 3rd line support level including, deployment, administration and troubleshooting. Ideally to a CCNP and CCDP level. Focusing on Secure LAN environments including security boundaries and rulesets … experience in configuring and troubleshooting HSRP, VPC, VDC, STP, BGP, OSPF and other key mainstream protocols Hands on experience in configuring and troubleshooting Sidewinders and ASAv firewalls Platform focus: CiscoNexus 9300 series and Catalyst switches Excellent communications skills, organisational skills and independent and autonomous working Have the ability to tackle complex problems and incidents Experience in ITIL More ❯
network engineering. Strong knowledge and operational experience with: F5 LTM (Local Traffic Manager) Akamai CDN and security solutions Fortinet Fortigate firewalls and FortiManager Juniper SRX firewalls and Juniper switches Cisco ISE for RADIUS and network access control CiscoNexus 7000 series switches Proven expertise in ACLs, network segmentation, and perimeter defence strategies. Deep understanding of Layer More ❯
Nottingham, Nottinghamshire, East Midlands, United Kingdom Hybrid / WFH Options
Oscar Associates (UK) Limited
Job Title: Networks Engineer (Juniper & Cisco - BGP) Location: Nottingham Salary: £40,000 - £55,000 + Benefits Employment Type: Full-time, Permanent About the Role We're looking for a skilled Networks Engineer with hands-on experience in Juniper and Cisco technologies and strong BGP configuration and troubleshooting skills to join our internal IT team. This role is central … to maintaining and optimising our enterprise network infrastructure, ensuring secure, stable, and high-performing connectivity across the business. Key Responsibilities Design, configure, and maintain Juniper and Cisco network equipment across LAN, WAN, and data centre environments. Implement, manage, and troubleshoot BGP routing to support complex network topologies. Monitor network performance, proactively identifying and resolving issues before they impact operations. … and configuration records. Provide 2nd/3rd line network support and mentor junior team members when required. Key Skills & Experience Proven experience working with Juniper (EX, SRX, MX) and Cisco (Catalyst, Nexus, ISR, ASA) devices. Strong understanding and practical experience with BGP (configuration, troubleshooting, route filtering, policy control). Good knowledge of other routing protocols (OSPF, EIGRP, IS More ❯
Head Quarters in Walsall. Permanent - This role is 5 days on site at the HQ You will be responsible for: Network address translation Firewall management Must be proficient in Cisco and Microsoft including Azure Cisco switching and routing protocols to CCNA/CCNP • Cisco CATALYST, Nexus, and SAN switches Backups/server patches WAN and LAN More ❯
Head Quarters in Walsall. Permanent - This role is 5 days on site at the HQ You will be responsible for: Network address translation Firewall management Must be proficient in Cisco and Microsoft including Azure Cisco switching and routing protocols to CCNA/CCNP Cisco CATALYST, Nexus, and SAN switches Backups/server patches WAN and LAN More ❯
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 … 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 More ❯
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 … 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 More ❯
Portsmouth, Hampshire, South East, United Kingdom Hybrid / WFH Options
Sopra Steria Limited
improvement. Act as a point of escalation and support for complex issues, while coaching others through troubleshooting processes. Maintain and manage client network infrastructure (including but not limited to Cisco Routing, Switching, Security, SDN, Unified Communications and Wireless technologies). Identify and explore opportunities for enhancing efficiency, leveraging orchestration technologies to streamline and automate. Lead 'Root Cause Analysis' investigations … environment. Current CCNA qualification. Strong Routing/Switching skills with both IOS and NX-OS. Experience of Ansible or similar automation/orchestration technologies or willingness to build expertise. Cisco ACI software defined networking experience or preparedness to build expertise. ITIL certification or experience. Full UK Driving Licence as travel to other sites will be required. Current DV Clearance … is essential for this role. Desired skills: Agile working experience. Current CCNP accreditation or preparedness to gain a CCNP accreditation. AWS, Azure and OCI networking skills. Working knowledge of Cisco Wireless networking applications and devices. Working knowledge of Cisco Unified Communication platforms and devices. Cisco security technologies including ISE and ASA Cisco VPN. Network management platform More ❯
Proactive approach to identifying risks and problems. Excellent written and verbal communication skills. Ability to adapt quickly and work in an agile environment. Desirable Skills and Technologies: Experience with Cisco technologies, including Nexus family, ASA family, ACI, and Hyperflex. Knowledge of F5 software, including LTM, ASM, and GTM. Familiarity with VMware technologies, including vSphere, NSX-V, and NSX More ❯
Network Design Engineer Cisco We are looking for a number of strong Cisco Engineers with high level experience of design and implementation across Nexus, ISE, ACI, Firewalls as well as Routing and Switching. The role is an onsite position working on a large scale enterprise level project to overhaul the entire networking infrastructure. Required Skills and Experience More ❯