1 to 25 of 35 Cisco IOS Jobs

concept through delivery. Develop detailed network schematics and implement network hardware and software solutions. Configure and troubleshoot network and next-generation firewall devices, ideally Cisco IOS/IOS-XE and NGFW platforms. Apply routing, tunneling, and network services capabilities including GRE, IPsec, DMVPN, QoS, VLANs, multicast … including IP subnetting, DNS, NTP, VoIP, QoS, and BGP, OSPF, and EIGRP protocols. Experience configuring and troubleshooting network and next-generation firewall devices, ideally Cisco IOS/IOS-XE and NGFW platforms. Strong understanding of GRE, IPsec, DMVPN, IP quality of service, VLANs, and multicast. Strong understanding ...

escalates to Level 3 when an incident requires in-depth expertise, an architecture change, or complex cross-domain analysis.The reference technical environment includes Cisco CUCM 12.x, Cisco Jabber, Cisco UCCX, and Cisco CUBE, which is used as the primary Session Border Controller.This role is full time … center services.Address incidents involving phone and endpoint registration; inbound and outbound calls; basic routing issues; audio or video faults; voicemail issues where in scope; Cisco Jabber incidents; UCCX agent login and Finesse issues; and voice-quality problems.Contribute to Major Incidents by providing the technical analyses, traces, and information required ...

Core Network Engineer (IOS-XR & NSO) | £465p/day (Inside IR35) | 2 days on site (London) | 6 months initially Our client is looking for a Core Network Engineer to join their EMEA network engineering team. You'll be a go to technical expert on a large, live core network … estate. What you'll be doing Designing, building and supporting large-scale WAN, MAN and optical networks, and leading migrations and hardware refreshes on Cisco 8000, ASR 9000 and NCS 5500/5700 platforms Hands-on engineering and troubleshooting on Cisco IOS-XR in a busy production ...

opportunity for a Network Engineer who can own design, automation and lifecycle management of global core network infrastructure. The ideal candidate brings deep Cisco IOS-XR and NSO automation expertise, with a track record leading large-scale network migrations, software upgrades, and hardware refresh programmes across a complex … contract Role & Inside IR35 Network Engineer Contract Duration: 6 months Location: Hybrid, 2 days onsite per week Key Responsibilities Develop and maintain Cisco NSO automation, service models, and workflows. Lead migration and transformation across Cisco 8000, ASR 9000, and NCS platforms. Design and support large-scale ...

checks and validation testing. Troubleshoot issues arising from patching and upgrades. Maintain change records and handover documentation. Essential Skills Strong enterprise networking experience, particularly Cisco routing and switching. Hands-on experience with Cisco IOS-XE, Cisco Nexus and Cisco UCS. Proven experience implementing changes … ITIL change management and rollback procedures. Strong troubleshooting and documentation skills. Experience within utilities, energy or critical infrastructure environments would be advantageous, as would Cisco certifications. Important: This is a nights-only contract, expected to follow a 4-on/4-off shift pattern. The role is fully remote ...

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 ...

MUST have: At least 4 years' commercial experience in a trade environment Significant knowledge of client-server architectures and network design Expert knowledge of Cisco NX-OS/IOS Multicast Networking Protocols: BGP, OSPF, MSDP, and PIM CCNP certified Unix and Linux Python or other scripting skills Experience … 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 ...

planning Help implement network management tooling and systems Monitor networks, diagnose faults, and help identify and resolve incidents Essential experience Hands-on experience with Cisco routers and switches and Cisco IOS Working knowledge of Linux and Windows Server environments Working knowledge of virtual machine environments A solid ...

planning Help implement network management tooling and systems Monitor networks, diagnose faults, and help identify and resolve incidents Essential experience Hands-on experience with Cisco routers and switches and Cisco IOS Working knowledge of Linux and Windows Server environments Working knowledge of virtual machine environments A solid ...

planning Help implement network management tooling and systems Monitor networks, diagnose faults, and help identify and resolve incidents Essential experience Hands-on experience with Cisco routers and switches and Cisco IOS Working knowledge of Linux and Windows Server environments Working knowledge of virtual machine environments A solid ...

seeking a skilled and motivated Telecommunication Engineer with hands-on experience in MikroTik , Cisco , and Juniper networking equipment. The ideal candidate will be responsible for designing, implementing, and maintaining robust network infrastructures for both residential and business clients. This role requires strong technical expertise, problem-solving skills … ability to work independently or as part of a team. Key Responsibilities: Design, configure, and maintain network systems using MikroTik, Cisco, and Juniper routers and switches. Monitor network performance and troubleshoot issues to ensure optimal uptime and reliability. Implement and manage routing protocols (OSPF, BGP, RIP) and VLAN configurations. ...

project lifecycle, from design and build through to integration, testing, and operational support. This is an excellent opportunity for a network professional with strong Cisco expertise and a passion for delivering resilient enterprise-scale solutions within highly regulated environments. Key Responsibilities Design, implement, and support enterprise network infrastructure across … supporting routing protocols, particularly: OSPF BGP Advanced knowledge of enterprise networking equipment including: Routers Switches Firewalls Experience with enterprise networking technologies such as: Cisco Nexus Cisco IOS-XE Leaf-Spine Architectures VXLAN Strong understanding of network security technologies including: Firewalls IDS/IPS AAA Platforms Secure Network ...

handover . Turn up and support third-party services, including CDN, extranet, and VPN connectivity. Lead routing and switching design across Juniper, Arista, and Cisco platforms (BGP, OSPF, EIGRP, redistribution, filtering/policy). Design, build and support EVPN/VXLAN fabrics using Arista EOS . Act as senior … certification (required). Degree in Computer Science/Engineering (or equivalent practical experience). Strong routing/switching design background across Junos, Arista EOS, Cisco IOS (BGP/OSPF/EIGRP). Hands-on EVPN/VXLAN design and implementation experience on Arista . Working knowledge of Palo ...

generation firewall platforms such as Palo Alto, Fortinet, or Checkpoint. Hands‐on configuration and troubleshooting experience across major networking vendors, with particular depth in Cisco ASR platforms (IOS‐XE) and Cisco Nexus platforms (NX‐OS); broader exposure to Juniper, HP, and Arista is also valued. Experience with ...

generation firewall platforms such as Palo Alto, Fortinet, or Checkpoint. Hands‐on configuration and troubleshooting experience across major networking vendors, with particular depth in Cisco ASR platforms (IOS‐XE) and Cisco Nexus platforms (NX‐OS); broader exposure to Juniper, HP, and Arista is also valued. Experience with ...

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 ...

candidates. A major banking group operating in EMEA is undergoing a significant infrastructure transformation programme, converging two separate network environments (a legacy three-tier Cisco campus network and an ACI spine-leaf fabric) alongside the integration of a European banking subsidiary. This is a hands-on senior architecture role … requiring both strategic thinking and the ability to roll up sleeves and engage at detailed engineering levels. Requirements Must have Deep expertise in Cisco networking: Nexus (7K, 5K, 2K, 9K), IOS, NX-OS Strong working knowledge of Cisco ACI — ability to assess hybrid/pseudo-ACI deployments ...

systems with the focus to maintain robust and scalable solutions. Provide day to day support for our on-premise and remote networking estate, including Cisco switches, Palo-alto firewalls and SD-WAN environments. Perform routine system updates, patches, and firmware upgrades on Cisco, Palo-Alto and Dell Infrastructure. … hybrid-cloud solutions – Essential Experience with vSphere virtualisation and hypervisor - Essential Experience with hyper-converged infrastructure (HCI), specifically Dell VxRail – Desirable Proven experience with Cisco IOS – Desirable Baseline knowledge of cloud architectures (AWS, Azure and GCP) - Desirable Knowledge of Palo-Alto networks and cloud-management (Strata-Cloud) – Desirable ...

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 ...

IDSL seeks a Telecommunication Engineer with hands-on experience in MikroTik RouterOS, Cisco IOS, and Juniper Junos to design and maintain robust network infrastructures for residential and business clients in the UK. You will design, implement, monitor, and troubleshoot routing, switching, and security configurations, work with cross-functional ...

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 ...

call James Holland on 0203 757 8484Scala Ocaml f# Java 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 ...

topologies Experience with network automation and orchestration tools and features and DevOps methodology (e.g. Terraform, Ansible, JSON, Nautobot, Vendor‐specific tools like Arista Cloudvision, Cisco DNA Center) Proficient in IPSec (including DMVPN and RRI) design, configuration, operation, and troubleshooting Experience in designing cloud‐based architectures in AWS/Azure … within a team environment with minimum instruction from management Able to work flexible hours as required and provide on‐call support Desirable Skills Fortinet, Cisco and/or Juniper certifications (NSE Level 4/5/6/7, CCIE/CCNP‐SP, JNCIE, JNCIP) Experience with AAA, Tacacs+ ...

Strong knowledge of BGP, IS-IS, MPLS, Clos/spine-leaf architectures, and ToR switching. Hands-on experience with Juniper (JunOS), Arista (EOS), or Cisco (IOS-XR); FBOSS is a plus. Understanding of DWDM, optical networking, 800G optics, and transponder provisioning. Familiarity with Python-based automation, network management ...

subnetting and addressing Experience with routing protocols (OSPF, BGP) and advanced knowledge of Routers, Switches, and Firewalls Experience with enterprise network technologies such as Cisco Nexus, IOS XE, leaf-spine architecture, and VXLAN Understanding of network security technologies (Firewalls, IDS/IPS, AAA platforms) and QoS/traffic ...