Network Security Engineer

Network Security Engineer in London | IO Associates Search Search Network Security Engineer IO Associates London; City of London; East London; Central London; South East London; West London; Canary Wharf; South West London; North London; Greenwich; Stratford Contract Published: 22 hours ago £450 - £500 per day Network Security Engineer IO Associates Title: Network Security Engineer (Contact) Details: 6-12 Months | Inside IR35 | Up to £500 per day iO Associates is working with a client who is looking for a Network Security Engineer to join them on an initial 6-12 month contract. Our client is based in London and wanting someone who can go into office 3 days per week! This role will sit within the Network Operations team and will focus on a mix of project delivery and support activity. You will be working across firewalls, web proxies, load balancers and wider network security technologies, while also taking ownership of troubleshooting tickets and helping to maintain operational stability. The client is looking for someone who is comfortable working independently, can pick up and resolve tickets without too much hand holding, and knows when to escalate where needed. Deliver a range of projects across firewalls, proxy technologies, web security and load balancers Manage and resolve tickets through the ITSM system in line with SLAs Troubleshoot routing issues, firewall connectivity problems, web proxy issues and firewall policy clean-up tasks Implement and maintain firewall rules across Palo Alto, Fortinet and Check Point Carry out firewall upgrades, configuration backups and post-upgrade validation Support BAU operations and take part in a tier 3 support rota Work closely with internal teams to investigate and resolve network access and connectivity issues Maintain accurate documentation across network changes and configurations Key experience required: Strong hands-on experience with enterprise firewalls Experience with Palo Alto and Fortinet firewalls Strong troubleshooting skills across routing, switching and network security Experience working in an ITSM / ticketing environment Experience with web proxies and L7 traffic inspection Familiarity with TACACS and Cisco ISE Good understanding of Layer 2 / Layer 3 networking, VLANs and routing protocols Strong communication and documentation skills Desirable: Experience with Blue Coat, Zscaler or other proxy technologies ClearPass Policy Manager experience CCNP or vendor certifications across Palo Alto, Fortinet or Check Point Scripting or automation experience with Python Our client has a swift process and for the right candidate they will interview next week! If you're interested in this role, or know someone who would be, then please apply to this advert and contact a. methula@io associates.co.uk Similar Network Security Engineer Jobs Popular with Other Job Seekers Security Engineer & Analyst Contracts - London Method-Resourcing London £500 - £600 per day 1 month ago Systems Service Engineer (Security & Network) ODIN RECRUITMENT GROUP LIMITED Bradford, West Yorkshire 3 weeks ago Senior Information Security Analyst Circle Group Leeds (LS1) £45000 - £55000 per annum + + Benefits 3 weeks ago Senior Infrastructure Engineer (VMware / Citrix / Linux) Solos Consultants Ltd Milton Keynes, Buckinghamshire, MK19 7BH From £469.98 to £602.83 per day 2 weeks ago Network Security Engineer DGH Recruitment City of London (EC1) £600 - £700 per day 3 weeks ago Senior Identity Access Management Engineer Middle Recruitment Limited Basingstoke (RG24) Up to £90,000 per annum 1 month ago Network Security Engineer - Next Generation Firewalls Morson Edge Covent Garden, Central London (WC2), WC1A 1AB £550 per day 3 weeks ago Cyber Security Engineer Henderson Scott South West London (SW1) £75000 - £85000 per annum + 24 days AL, Hybrid 1 day ago Principal Network Engineer (SC Cleared) Henderson Scott London Negotiable 2 weeks ago Mobile Support Engineer- Day Shift (Tue-Sat) Bamford Bus Company Limited London £50,343.34 per annum 1 week ago Network Security Engineer jobs Network Security Engineer jobs in London IT jobs IT jobs in London Security jobs Security jobs in London Jobs in London Cyber Security jobs Security Systems Engineer jobs Security Engineer jobs Intruder Alarm Service Engineer jobs Service Engineer Security Systems jobs Application Security Engineer jobs IT Security Engineer jobs Networks Engineer jobs Network Engineer jobs Cyber Security Analyst jobs It Security jobs Security Designer jobs Security Specialist jobs Security Service Engineer jobs Network Engineering jobs Crypto Engineer jobs Totaljobs About us Work for us Media centre Partners Jobseeker Jobs Jobseeker login Salary Planner Jobseeker help centre Career advice Recruiter Courses Advertise a job Recruiter login Contact us – recruiters Recruiter advice Recruit internationally Let's connect Apps Privacy policy Terms and conditions Cookies Compliance Accessibility The Stepstone Group UK Ltd © 2026