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Network and Security Engineer

Cisco Systems Inc, Didcot, Oxfordshire

Network and Security Engineer

Salary not available. View on company website.

Cisco Systems Inc, Didcot, Oxfordshire

  • Full time
  • Temporary
  • Remote working

Posted 5 days ago, 20 Apr | Get your application in now to be included in the first week's applications.

Closing date: Closing date not specified

Job ref: f83fc392b7f348e292e4aeb6efcce258

Location ref: Didcot, Oxfordshire

Full Job Description

  • Configure, deploy, and troubleshoot campus and data-centre 100Gbps switching.
  • Execute network switch rollouts including hardware racking, cabling to standard, patch-panel termination, and fibre patching.
  • Perform structured cabinet clean-ups: re-patching copper and fibre runs, labelling, cable management, and documentation updates.
  • Support and maintain the eBGP routing fabric across multiple sites.
  • Configure and monitor QoS profiles for mixed multigigabit, 10G/100G, and uplink interfaces.
  • Fast track our implementation of a 5 node Cisco Identity Services Engine (ISE) build for 802.1X, RADIUS, MAB, and posture policy enforcement.
  • Manage Cisco Secure Email including message tracking, content filters, outbreak filters, DLP policies, and quarantine management.
  • Support enterprise firewall platforms including rule-set changes, tunnel maintenance, and policy audits.
  • Support and maintain Cisco SD-WAN (vManage/vSmart/vBond) fabric, including device onboarding, template management, and policy configuration.
  • Assist with Cloud OnRamp for Multicloud connectivity (AWS / Azure), including gateway controller health checks and tunnel monitoring.
  • Troubleshoot overlay/underlay issues, BFD sessions, OMP route propagation, and control-plane connectivity.
  • Perform scheduled server patching and updates across Windows Server environments.
  • Apply Linux server updates and patches where required (Ubuntu) - desirable but not essential.
  • Support virtualisation platforms (Proxmox) for routine maintenance tasks during out-of-hours windows.
  • Maintain accurate network diagrams, IP address management records, and change-log documentation.
  • Follow and contribute to standard operating procedures, change-management processes, and post-implementation reviews.
  • Provide clear handover notes and shift reports for weekday engineering teams.
    • Technologies:
  • AWS
  • Ansible
  • Azure
  • Cloud
  • Cisco
  • Datadog
  • Fabric
  • Firewall
  • Hardware
  • Support
  • Linux
  • Network
  • PowerShell
  • Security
  • Ubuntu
  • Windows
  • NodeJS, We are looking for an experienced, fully hands-on Level 3 Network & Security Engineer to strengthen our infrastructure and network security operations. This is a senior technical delivery role requiring expertise in configuring, troubleshooting, and resolving complex issues across Cisco security suite and networking appliances. Our environment includes a multi-building campus network and enterprise security platforms, where you will work closely with IT Operations leaders. This is a 6-month contract position, located in Didcot, Oxfordshire, offering a hybrid work model of 3 days on-site and 2 days working from home.

    CCNP Routing & Switching / Enterprise (current or expired with demonstrable expert-level knowledge).
  • Strong hands-on experience with Cisco ISE deployment, policy configuration, and troubleshooting.
  • Proven experience administering Cisco Secure Email / IronPort (ESA/SMA).
  • Solid working knowledge of enterprise firewall management (Cisco ASA, Firepower/FTD, or comparable).
  • Experience with Cisco SD-WAN (Viptela) architecture, including vManage operations and C8000-series router onboarding.
  • ENSDWI trained or demonstrably operating at that level across SD-WAN, security, and wireless integration.
  • Comfortable with physical infrastructure work: racking, stacking, copper/fibre patching, and cabinet standards.
  • Windows Server patching and administration experience.
  • Methodical approach to change management and documentation.
  • Willing to work on-site at Milton Park on a weekend or flexible shift pattern as outlined above.
  • Linux server administration (Ubuntu) - patching, package management, systemd services (desirable).
  • Cisco CCIE written or lab (any track) - indicative of depth of knowledge (desirable).
  • Experience with hybrid-cloud gateway controllers and Cloud OnRamp (AWS, Azure) (desirable).
  • Virtualisation platform experience (Proxmox) (desirable).
  • Familiarity with network observability and monitoring tooling (e.g., Datadog) (desirable).
  • Scripting/automation skills (Ansible, PowerShell) for network or server tasks (desirable).

Direct job link

https://www.jobs24.co.uk/job/network-security-engineer-126719030
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