Salary: £48,000 - 53,000 per year Requirements: Hold a Service Provider or Enterprise Network (Juniper/Cisco/etc) certification at the Professional level; Palo Alto Networks Certified Network Security Engineer or equivalent Next-Generation Firewall vendor certification (Desirable) Working knowledge of the ITIL Framework Extensive experience with multi-vendor products is essential; Juniper, Cisco, and Palo Alto Networks experience is desirable Proven experience in planning and implementing networking projects Experience using monitoring systems such as SolarWinds, Nagios, Splunk, etc. Experience working with complex Wi-Fi deployments and Unified Communications Experience working with BGP in an ISP environment Experience working in an MPLS environment Strong understanding of ticket systems and understanding of priorities and SLAs Effective communication skills Methodical approach to diagnosis and documentation Independent research; organisation and prioritisation skills Full clean UK driving license Excellent conversational fluency in English is required to clearly explain complex technical issues Responsibilities: Resolving monitoring issues for our internal Infrastructure Ensuring core networking and hosting platform are performing at optimal levels Design, plan, and test networking platform projects for maintenance, expansion, and upgrades Ownership of delivering internal projects to a high standard Escalation for the service desk of client issues they cannot resolve Mentor non-senior engineers to develop skills and knowledge Participation in our on-call rota for the Networks team Technologies: Cisco Firewall Support ITIL MPLS Network Security Splunk REST More: We are razorblue, and we are looking for a Senior Network Engineer to join our growing team of like-minded tech people. We value drive, passion for technology, and collaboration. Our learning and development opportunities are extensive, and we support continuous personal growth. We operate a hybrid working policy that balances office and home work, aiming to enhance teamwork and natural learning opportunities. Our comprehensive benefits include a competitive salary ranging from £48,000-£53,000 per annum, generous holiday provisions, a referral scheme bonus, enhanced family leave policies, and fully funded training opportunities. We are committed to creating an inclusive and accessible recruitment process. last updated 18 week of 2026