About this role
Salary: £? - ? per year
Requirements: Strong experience across advanced routing and switchingExperience with BGP, OSPF, IS-IS and EIGRPExperience with VLAN, STP/RSTP/MSTP, vPC/LACP and QoSExperience with VXLAN, GRE and IPsecExperience in enterprise and service-provider environmentsExperience with Cisco ACI, including spine-leaf architecture and multi-pod/multi-siteExperience in next-generation firewall design and implementationExperience with IPsec, SSL/TLS and SD-WAN securityExperience with security policy and lifecycle managementExperience with compliance-aligned network securityExperience with L4/L7 load balancing, SSL offloading, GSLB and high-availability architecturesExperience with Cisco IOS/IOS-XE/IOS-XR/NX-OS, ASA, Firepower, ISE, Catalyst Centre and ACIExperience with Juniper JunOS and SRXExperience with Fortinet FortiOS, FortiGate, FortiManager and FortiAnalyzerExperience with F5 BIG-IP LTM/GTM/ASM/APM and iRulesExperience with network automation using Python and/or Ansible is desirableExperience integrating network platforms via REST/NETCONF/RESTCONF/gRPC APIs is desirableProfessional-level networking certifications such as CCIE, JNCIE or equivalent are desirableCisco DevNet certification is desirableActive or eligible for UK SC Clearance Responsibilities: Lead the design and implementation of complex network and security solutions across greenfield and brownfield environmentsProduce high-quality HLDs, LLDs, implementation plans and operational runbooksPerform design validation, PoC testing and pre- and post-implementation verificationConfigure, deploy and optimise network and security infrastructureDiagnose and resolve complex network and security incidentsConduct technical assessments and capacity planningAct as the primary technical point of contact for project stakeholdersPresent technical designs and implementation strategies to technical and non-technical audiencesCoordinate engineers and technicians, providing technical leadership and mentoringWork closely with project managers, solution architects, client teams and operations throughout the project lifecycle Technologies: AnsibleCiscoFirewallFortiGateLoad BalancingNetworkNxPythonRESTSecurityXRgRPCiOS More:
We are a high-level technical delivery team based in Newbury, working on a hybrid basis with 1-2 days per week onsite. This is a 6-month rolling contract at a rate of £500-£600 per day inside IR35. We are seeking an experienced Senior Networking and Security Specialist / Technical Lead to take a hands-on role combining technical leadership, solution design, implementation and stakeholder engagement across complex enterprise network and security environments.
last updated 35 week of 2026