> Markdown version of [/jobs/ext/3147386-network-security-specialist](https://www.wearedevelopers.com/jobs/ext/3147386-network-security-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Security Specialist - **Company:** BT Group - **Location:** Hatfield, UK - **Contract:** Permanent contract - **Skills:** Unix, Cloud Computing, CompTIA Network+, Computer Networks, Network Security, Open Systems Interconnection (OSI), TCP/IP, Integration Tests - **Published:** September 2, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/network-security-specialist/45855966 ## About the Role +FortinetCisco ASA & FirePowerPalo AltoAzure / AWSPython, Go, BashNative Cloud SecurityLinux/Unix OSWindows OSKnowledge and understanding of TCP/IP & OSI seven-layer model and how data networks are structured and operate.Knowledge of the best engineering practices and continuous delivery.Always maintain appropriate levels of clearance (MPS, NPPV3 & SC clearances).Benefits 10% on target bonusBT Pension scheme, minimum 5% Employee contribution, BT contribution 10%25 days annual leave (not including bank holidays), increasing with serviceHuge range of flexible benefits including cycle to work, healthcare, season ticket loanWorld-class training and development opportunitiesOption to join BT Shares Saving schemes.Discounted broadband, mobile and TV packagesAccess to 100's of retail discounts including the BT shopWith over 175 years of heritage, BT is now the flagship business brand of BT Group. We've brought together our best people and capabilities into a B2B powerhouse ## Description initiative and applying excellent self-management to promote successful outcomes.What you'll be doingDevelop and deliver brilliant, industry redefining platforms as well as their own skills.We need you to be a cyber incident decision maker, responsible for ensuring that mitigation controls and incident response are appropriate.Providing security advice and remediation to Lines of Business within BT and external customers.Complete and own integration testing on new products and services, producing all relevant supporting documentation.Support team leader and line manager.Ensure full awareness of the need to always safeguard sensitive customer information.The experience you will need You're a hands-on engineer with expertise in at least one platform or programmes below - if your experience doesn't match our stack exactly then don't worry, we hire based on engineering talent, not vendor or language-specific skillset. Interested in us? We're interested in you!Comptia Network + & Security