1 to 25 of 50 Cisco IOS Jobs

Cheshire or SE London Rate: £400 - £465 a day (Deemed inside IR35 via umbrella solution) Reference: 20795 Looking for a Senior engineer with deep Cisco IOS-XR expertise, strong Cisco NSO automation experience, and a proven track record delivering large-scale network migrations, software upgrades, hardware refresh … automation initiatives within complex global enterprise or service provider environments. You will be capable of delivering SIM Core and Core 2.0 transformation programmes, including Cisco 8000 deployments, IOS-XR lifecycle management, and NSO-based network automation. Role Summary Contract with IT Systems Integrator working on a global Banking ...

role will involve: Creating/modifying device configurations across switching and routing products, Creating/modifying firewall configurations and policies for different vendors (Cisco, Fortinet, Palo Alto, etc) Working knowledge of Fortigate Firewalls, Cisco FTD, Cisco ACI, Cisco Nexus and Catalyst switches, Cisco ISE NAC, Cisco Wireless, Palo Alto Firewalls, F5 BigIP server load balancers, dynamic routing protocols and best practice device configuration, Experience working with network management platforms (SolarWinds) Excellent troubleshooting skills, with prior experience working as an escalation engineer managing high-priority incidents. You will need to be able ...

support a major programme of network deployments and infrastructure change across multiple London sites. As this is a hands on implementation role requiring strong Cisco networking expertise you will be involved throughout the deployment lifecycle, from discovery and planning through to configuration, migration, testing and handover. The successful contractor … vendors and customers to deliver network changes successfully. Key Responsibilities Deliver greenfield and brownfield network implementations across complex enterprise environments Configure, test and commission Cisco Catalyst 9K, Cisco Meraki, routing, switching and wireless technologies Support network discovery, requirements validation, staging, deployment, migration, testing and handover Implement ...

programme teams to deliver robust and resilient solutions. Ensure architectures align with Defence security standards and operational requirements. Essential experience Strong experience with core Cisco networking technologies, including: Routing & Switching Cisco ASA Firewalls Cisco ACI Cisco IOS & NX-OS Wireless Networking Good knowledge of network … associated infrastructure technologies. Knowledge of architecture and project delivery frameworks such as TOGAF and PRINCE2. Familiarity with SIEM technologies and wider network security tooling. Cisco Unified Communications and/or Asterisk PABX experience. Experience with cloud technologies including Microsoft Azure, AWS and Microsoft 365. To learn more, please ...

network patching practices. KEY RESPONSIBILITIES Manage the firmware/software lifecycle for routers, switches, firewalls, load balancers, and wireless controllers across multi-vendor environments (Cisco, Juniper, Aruba, Palo Alto, F5, Fortinet). Assess vendor advisories (Cisco PSIRT, Juniper JSA, Palo Alto Security Advisories) and map CVEs to required … runbooks including pre-check scripts, upgrade procedures, rollback steps, and post-validation checks. Automate network patch workflows using Ansible, Netmiko, NAPALM, or vendor APIs (Cisco NSO/DNA Centre). Lead maintenance window planning: impact analysis, rollback testing, stakeholder communication, and CAB submission. Oversee configuration backup integrity (RANCID/ ...

technical expertise in TCP/IP, routing protocols (BGP, OSPF, EIGRP), LAN/WAN, MPLS, VPNs, SD-WAN, firewalls, and network segmentation. Experience managing Cisco and Juniper network technologies, including Cisco IOS/NX-OS and JunOS platforms. Strong background in network monitoring, capacity management, and incident … response . Hands-on experience with network security frameworks , firewall configuration (Cisco ASA, Palo Alto, Fortinet, etc.) , and telephony (SIP/VoIP) systems. Familiarity with cloud and hybrid networking (Azure, AWS, GCP) environments preferred. Strong understanding of ISO 27001, PCI-DSS , and ITIL-aligned service delivery processes. Leadership & Soft ...

technical expertise in TCP/IP, routing protocols (BGP, OSPF, EIGRP), LAN/WAN, MPLS, VPNs, SD-WAN, firewalls, and network segmentation. Experience managing Cisco and Juniper network technologies, including Cisco IOS/NX-OS and JunOS platforms. Strong background in network monitoring, capacity management, and incident … response . Hands-on experience with network security frameworks , firewall configuration (Cisco ASA, Palo Alto, Fortinet, etc.) , and telephony (SIP/VoIP) systems. Familiarity with cloud and hybrid networking (Azure, AWS, GCP) environments preferred. Strong understanding of ISO 27001, PCI-DSS , and ITIL-aligned service delivery processes. Leadership & Soft ...

knowledge and experience with the following:- Change control, licensing and asset management Understanding of BGP, MPLS, OSPF, STP, IPSEC, SSL TCP/IP knowledge Cisco ASR and ISR routers Cisco Nexus 9K, Catalyst 9000 and 3000 Series switches Cisco Wireless controllers Cisco DNA and ISE NXOS … IOS-XE, IOS and PANOS knowledge Wireless networking and protocols VPN- Remote, Site-to-Site and Cloud solutions Experience of working within an Enterprise Environment 802.1x authentication and TACACS/RADIUS QoS Cabling standards Personal Attributes: Ability to multi-task Analytical mind, with a problem solving ethic. Enthusiastic ...

Management tools, F5 Load Balancers, Virtual Private Networks (VPNs), Palo Alto Firewalls, Web Application Firewalls, and other network related technologies* In-depth knowledge of Cisco IOS, NXOS, PANOS, STP, BGP, OSPF, EIGRP, MPLS, VXLAN, access-lists* Experience with Datacenter virtualization technologies.* Experience with cloud (Azure or AWS) network …/infrastructure technologies.* Experience with Cisco and similar VOIP telephony infrastructure.* Possess a thorough understanding of 802.11 wireless principles.* Strong ability to troubleshoot end-user device connectivity at a firewall level.* Knowledge of 802.1X and SAML/SSO implementation strategies.* You should possess excellent communication and client service skills ...

mission-critical enterprise and public sector customers with strict UK Data Sovereignty mandates. We serve as the vital bridge connecting sovereign customer environments with Cisco’s global technical ecosystem and worldwide TAC. Operating at the forefront of network engineering, high-stakes incident management, data governance, and AI-driven support … regulatory compliance.Your ImpactAs a Senior Network Support Engineer, you will act as the primary interface for customers with UK Data Sovereignty concerns into global Cisco support services. In this high-impact role, you will analyse and de-sensitise critical customer network data to safely route complex issues ...

mission-critical enterprise and public sector customers with strict UK Data Sovereignty mandates. We serve as the vital bridge connecting sovereign customer environments with Cisco's global technical ecosystem and worldwide TAC. Operating at the forefront of network engineering, high-stakes incident management, data governance, and AI-driven support … compliance. Your ImpactAs a Senior Network Support Engineer, you will act as the primary interface for customers with UK Data Sovereignty concerns into global Cisco support services. In this high-impact role, you will analyse and de-sensitise critical customer network data to safely route complex issues ...

mission-critical enterprise and public sector customers with strict UK Data Sovereignty mandates. We serve as the vital bridge connecting sovereign customer environments with Cisco’s global technical ecosystem and worldwide TAC. Operating at the forefront of network engineering, high-stakes incident management, data governance, and AI-driven support … Your Impact As a Senior Network Support Engineer, you will act as the primary interface for customers with UK Data Sovereignty concerns into global Cisco support services. In this high-impact role, you will analyse and de-sensitise critical customer network data to safely route complex issues ...

Segment Routing (SR-MPLS/SRv6), BGP/EVPN carrier services, traffic engineering, and Converged Optical & Packet Networking, on at least one major platform (Cisco IOS XR, Junos, or Nokia SR OS).Expert-level knowledge equivalent to Cisco CCIE Service Provider, HPE (Juniper) JNCIE-SP, or Nokia … cycles.Self-motivated, able to work independently across long-term, complex architectural engagements and diverse, cross-functional teams.Preferred Qualifications:Multi-vendor hands-on fluency across Cisco, Juniper, and Nokia beyond the primary certification platform.Experience with OEM network management/automation platforms e.g., Cisco Crosswork, Juniper Routing Director, Nokia NSP.Security ...

Segment Routing (SR-MPLS/SRv6), BGP/EVPN carrier services, traffic engineering, and Converged Optical & Packet Networking, on at least one major platform (Cisco IOS XR, Junos, or Nokia SR OS).Expert-level knowledge equivalent to Cisco CCIE Service Provider, HPE (Juniper) JNCIE-SP, or Nokia … motivated, able to work independently across long-term, complex architectural engagements and diverse, cross-functional teams. Preferred Qualifications: Multi-vendor hands-on fluency across Cisco, Juniper, and Nokia beyond the primary certification platform. Experience with OEM network management/automation platforms e.g., Cisco Crosswork, Juniper Routing Director, Nokia ...

assurance and task management. - Client interaction and communications management. Active Directory (ADDS). DNS and network routing. IPSEC/cryptography. PKI and certificate management. Cisco IOS. Docker. Jira, including custom plugins. RSA. VMware. MySQL and MongoDB. ELK Stack. Networks and infrastructure. Additional relevant training or certifications, including cloud training ...

start time: 6:30 a.m.My client is based in LondonHFT Linux HPC HFT Systems Infrastructure Linux troubleshooting virtualization; KVM, VirtualBox, BGP, OSPF, VRRP, HSRP Cisco IOS, F5 IPSEC, GRE, PPTP PostgreSQL, MySQL, Linux, Python, Bash ...

propel your career forward. My client is based in LondonHFT Linux HPC HFT Systems Infrastructure Linux troubleshooting virtualization; KVM, VirtualBox, BGP, OSPF, VRRP, HSRP Cisco IOS, F5 IPSEC, GRE, PPTP PostgreSQL, MySQL, Linux, Python, Bash ...

propel your career forward. My client is based in LondonHFT Linux HPC HFT Systems Infrastructure Linux troubleshooting virtualization; KVM, VirtualBox, BGP, OSPF, VRRP, HSRP Cisco IOS, F5 IPSEC, GRE, PPTP PostgreSQL, MySQL, Linux, Python, Bash ...

performance monitoring using tools such as Grafana, Prometheus and ThousandEyes to enable proactive operationsImplementing and maintaining scalable, resilient datacentre network infrastructure built on Cisco and Arista technologiesChampioning automation of operational tasks using Python, Ansible, Jinja2 and GitSupporting and extending Infrastructure-as-Code and CI/CD practices for network … large-scale environmentsExperience applying SRE, observability and automation principles to networking, using technologies such as Python, Prometheus, Grafana, OpenTelemetry, Ansible and JenkinsExperience with Cisco and Arista switching and routing, alongside network security infrastructure, including firewalls, IDS/IPS and network segmentationExpertise in Cisco and Arista platforms, including IOS ...

performance monitoring using tools such as Grafana, Prometheus and ThousandEyes to enable proactive operations Implementing and maintaining scalable, resilient datacentre network infrastructure built on Cisco and Arista technologies Championing automation of operational tasks using Python, Ansible, Jinja2 and Git Supporting and extending Infrastructure-as-Code and CI/… scale environments Experience applying SRE, observability and automation principles to networking, using technologies such as Python, Prometheus, Grafana, OpenTelemetry, Ansible and Jenkins Experience with Cisco and Arista switching and routing, alongside network security infrastructure, including firewalls, IDS/IPS and network segmentation Expertise in Cisco and Arista platforms ...

Devices. My client is based in London. For more jobs and updates follow me on twitter @SebQuantCCNA, Networks, TCP/IP Scala Ocaml f# Cisco Arista Ciena corning BIOS Linux HPC HFT Systems Infrastructure Linux troubleshooting virtualization Cisco IOS, F5 IPSEC, GRE, PPTP PostgreSQL, MySQL, Linux, Python ...

software developers. On a day to day basis you will be responsible for: Deploying and supporting Windows, Linux, and Mac OS Deploying and supporting IOS and Android mobile devices Maintaining the health and availability of a world class trading eco-system Collaborating with stakeholders and other technical services teams … passionate about. My client is based in London Linux HPC HFT Systems Infrastructure Linux troubleshooting virtualization; KVM, VirtualBox, BGP, OSPF, VRRP, HSRP Cisco IOS, F5 IPSEC, GRE, PPTP PostgreSQL, MySQL, Linux, Python, Bash sys admin devops ...

Sebastiaan on 0203 757 84 84Rackspace, Tech Ops Engineer, Firewalls, Linux HPC HFT Systems Infrastructure Linux troubleshooting virtualization; KVM, VirtualBox, BGP, OSPF, VRRP, HSRP Cisco IOS, F5 IPSEC, GRE, PPTP PostgreSQL, MySQL, Linux, Python, Bash sys admin devops ...

Server Operating Systems, specifically Windows 10 Pro\ Windows Server 2008 R2\2012\2012 R2\2016 o Network Switches, preferably with Cisco IOS o Firewalls and Routers, preferably with Fortinet Fortigate o Storage Systems (SAN\NAS\DAS), o Server Hardware, including blade servers o Loading Configuration file on network ...

Senior Core Network Engineer to support the evolution of a large-scale enterprise network. This role would suit an engineer with extensive experience in Cisco core networking technologies, network automation, and delivering large-scale infrastructure projects within enterprise or service provider environments. What You'll Be Doing Design, implement … hardware refreshes and platform upgrades. Deliver end-to-end migration activities, including planning, implementation and rollback strategies. Build and enhance network automation capabilities using Cisco NSO and modern automation technologies. Support routing, switching and optical networking across a global environment. Produce technical documentation, engineering standards and implementation plans. Work ...