SENIOR NETWORK SECURITY ARCHITECT - VOIS

## Who we are VOIS (Vodafone Intelligent Solutions) is a strategic arm of Vodafone Group Plc, creating value for customers by delivering intelligent solutions through Talent, Technology & Transformation. As the largest shared services organisation in the global telco industry with 30,000 FTE, our portfolio of next-generation solutions and services are designed in partnership with customers across Vodafone Group, local markets, and partner markets to simplify and drive growth. With our strategic partner Accenture, we work alongside our Vodafone customers, other Telco and tech companies to drive transformation, meet the challenges of our industry and ensure we stay relevant and resilient. This partnership is a unique, industry-first model which brings together the best of in-house and 3rd party capability. We work with customers across 28 countries from 10 VOIS locations: Albania, Egypt, Hungary, India, Romania, Spain, Turkey, UK, Germany, Ireland, and with a network of teams in Czech Republic, Italy, Greece, and Portugal. #VOIS #BeUnrivalled #CreateTheFuture ## About this Role We are seeking an experienced network security professional to design, implement, and operate complex, enterprise‑scale perimeter security solutions in a hybrid environment. This role focuses on advanced firewall architecture, policy governance, cloud security, and high‑impact incident resolution. The individual will act as a trusted subject matter expert, guiding security design decisions, leading critical changes, and ensuring compliance with global security standards. ## What you will do Design and deploy enterprise‑grade firewall architectures, including Next‑Generation Firewalls (NGFW) and cloud‑based security solutions in Azure.Govern, audit, and optimise large and complex firewall rule bases, VPN policies, and NAT configurations to balance security, performance, and resilience.Serve as the escalation point for complex security incidents and major network outages, leading troubleshooting and root cause analysis.Ensure firewall and perimeter security environments align with industry standards such as ISO 27001 and PCI‑DSS, as well as client‑specific security policies.Automate security operations and remediation activities using scripting and infrastructure‑as‑code approaches such as Python, Ansible, and Terraform.Contribute to the adoption of AIOps and agentic AI solutions within the network security landscape.Collaborate with internal teams and external vendors to deliver secure, scalable, and reliable network solutions. ## Who you are An experienced network security professional with 10 to 12 years of relevant industry experience, including significant exposure in senior or lead roles.Highly proficient in firewall technologies such as Palo Alto Networks (Panorama), Fortinet (FortiManager), Juniper SRX, Check Point, or Cisco Firepower.Knowledgeable in designing and deploying proxy solutions (Open Proxy, Bluecoat, FortiGate), VPN concentrators (SSL and site‑to‑site IPsec), and load balancing solutions (F5 or cloud load balancers).Strong foundation in TCP/IP networking, routing and switching protocols (BGP, OSPF), VPN technologies, and intrusion prevention systems.Experienced in cloud security implementations, particularly virtual firewalls within Microsoft Azure environments.Familiar with ITIL practices and disciplined change management processes.A confident communicator who can explain complex security concepts clearly to technical and non‑technical stakeholders. ## Not a perfect fit? Concerned you may not meet every requirement? Vodafone is committed to creating an inclusive workplace where everyone can thrive. If you are excited about this role but your experience does not align exactly with every aspect of the job description, you are encouraged to apply. You may be the right candidate for this or another opportunity, and the recruitment team will support you in exploring where your skills fit best. ## What's in it for you *...