> Markdown version of [/jobs/ext/3861527-senior-network-security-engineer](https://www.wearedevelopers.com/jobs/ext/3861527-senior-network-security-engineer). 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). --- # Senior Network Security Engineer - **Company:** Initialize IT - **Location:** Coventry, UK (Remote available) - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Amazon Web Services, Application Firewall, Microsoft Azure, Border Gateway Protocol, Cloud Computing Security, DDoS Mitigation, Domain Name System Security Extensions, Intrusion Detection Systems, Multi-protocol Systems, Information Systems Security Architecture Professional, Python (Programming Language), Network Security, Network Architecture, Networking Basics, Network Segmentation, Network Protocols, Open Shortest Path First (OSPF), Windows PowerShell, Remote Access Technology, Ansible, Zero Trust Network Access, Web Application Security, Virtual Local Area Networks, Cloud-native Network Functions (CNF), Network Access Control, Cloud Platform System, System Availability, Firewalls (Computer Science), Cybercrime, Palo Alto Networks, Fortinet, Routing & Switching, Terraform, Cisco - **Published:** October 22, 2026 - **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-3F5C301903758DD51C/ ## About the Role The ideal candidate will possess deep expertise in Firewalls, network segmentation, Zero Trust Network Access (ZTNA), VPN technologies, cloud network security, intrusion prevention systems, and security monitoring. Experience with Azure and AWS network security services is highly desirable., * Experience in Network Security Engineering. * Strong hands-on experience managing enterprise Firewall platforms. * Experience securing complex enterprise and cloud environments. * Proven experience with network segmentation and Zero Trust initiatives. * Experience supporting critical production environments. Technical Expertise Network Security * Firewalls * IDS/IPS * Web Application Firewalls (WAF) * DDoS Protection * Secure Web Gateways * Network Access Control (NAC) * DNS Security Routing & Switching * BGP * OSPF * MPLS * VLANs * High Availability Architectures Cloud Security * Microsoft Azure Networking & Security * AWS Networking & Security * Hybrid Network Architectures * Cloud Connectivity Models Automation & Scripting * PowerShell * Python * Terraform * Ansible Preferred Certifications * Palo Alto PCNSE * Check Point CCSE/CCSM * Fortinet NSE 4/5/7 * Cisco CCNP Security * Cisco CCIE Security * CISSP * CISM * Microsoft Azure Security Engineer Associate (AZ-500) * AWS Certified Security Specialty * Certified Information Systems Security Professional (CISSP) Key Competencies * Strong troubleshooting and analytical skills. * Excellent understanding of network protocols and security frameworks. * Ability to work in high-pressure operational environments. * Strong stakeholder and vendor management skills. * Effective communication and documentation capabilities. * Experience working within regulated enterprise environments. Ideal Candidate A seasoned Senior Network Security Engineer with extensive experience across Palo Alto, Check Point, Cisco, Fortinet, Azure, and AWS, capable of leading network security initiatives, implementing Zero Trust networking principles, and protecting enterprise environments against evolving cyber threats while ensuring operational resilience and regulatory compliance. ## Description We are seeking a highly skilled Senior Network Security Engineer to design, implement, and support enterprise network security solutions across complex on-premises, cloud, and hybrid environments. The successful candidate will play a critical role in protecting the organisation's infrastructure by implementing robust network security controls, leading security improvement initiatives, and ensuring compliance with security policies and industry standards.