Job DescriptionRole SummaryThe Network Security Engineer is responsible for design, deployment, and operations of Telco-grade Virtual Firewalls (vFW) using Palo Alto technologies within Telco cloud (NFV/SDN) environments.This role ensures secure traffic segmentation, high availability, and scalable firewall deployments supporting carrier-grade networks, VNF architectures, and multi-tenant Telco environments.Key Responsibilities1. Telco Virtual Firewall (Palo Alto) OperationsDeploy, configure, and manage Palo Alto Virtual Firewalls (VM-Series / CN-Series) in Telco cloudConfigure: Security policies (App-ID, URL filtering, NAT, segmentation)Threat prevention (IPS, Anti-malware, WildFire)Perform log analysis, traffic inspection, and threat detectionEnsure policy enforcement across Telco network segments and trust zones 2. Telco Cloud / NFV Security ImplementationDeploy firewalls as Virtual Network Functions (VNFs) in Telco cloud environmentsIntegrate with: NFV orchestrators / SDN controllersTelco cloud platforms (OpenStack / Kubernetes)Ensure: Secure communication between VNFsControlled access using IP/Port/Application-level filtering 3. Traffic Engineering & Connectivity SecurityConfigure and manage: Routing protocols (BGP, static routing)VPNs (IPSec, site-to-site connectivity)Perform deep packet inspection (DPI) and traffic flow analysisSecure north-south and east-west traffic flows in Telco networks4. High Availability & Carrier-Grade DesignImplement HA (active-active / active-passive) setups for virtual firewallsSupport: Geo-redundant deploymentsFault-tolerant designs aligned to Telco standardsEnsure no service impact from VNF/node/site failures 5. Monitoring, Incident & Change ManagementMonitor firewall health, logs, and alertsPerform L2/L3 troubleshooting for high-severity incidentsExecute change, incident, and problem management (ITIL aligned)Collaborate with NOC, SOC, and Telco operations teams6. Governance, Compliance & Security AssuranceEnsure firewall configurations meet: Telco security standards (ETSI / NFV guidelines)Enterprise compliance requirementsSupport audits with logs, reports, and evidencePerform policy optimization, cleanup, and compliance validationMandatory SkillsCore Technical SkillsHands-on experience with: Palo Alto Virtual Firewalls (VM-Series / CN-Series)Panorama for centralized firewall managementStrong knowledge of: NGFW features (App-ID, User-ID, Content-ID, IPS)Firewall policy design and segmentationTelco / Cloud ExposureExperience in: Telco cloud / NFV environmentsVirtual firewall deployments at scaleUnderstanding of: VNF lifecycle and orchestrationSDN-based network securityNetworking FundamentalsStrong understanding of: TCP/IP, BGP, routing, NATNetwork segmentation and Zero TrustExperience with: VPNs (IPSec, SSL VPN)Traffic analysis and debuggingDesired / Good-to-Have SkillsExperience with: Multi-vendor Telco firewallsKubernetes / container security (CN-Series)Automation: Python / Ansible / REST APIsExposure to: 5G / LTE network securityCloud-native security controlsCertifications (Preferred)Palo Alto: PCNSE / PCNSANetwork / Telco: CCNP / CCIE (Security or Service Provider)Cloud / Telco: NFV / Telco cloud certifications (optional)Soft SkillsStrong troubleshooting and analytical skillsAbility to operate in high pressure, carrier-grade environmentsEffective collaboration across global teams (NOC, SOC, Engineering)Strong communication for client and stakeholder engagementKey Outcomes / Success MetricsHigh availability of Telco firewall services (carrier-grade SLAs)Secure segmentation and traffic isolation across VNFsReduction in security incidents and faster RCAImproved policy compliance and audit readinessAbout InfosysInfosys is a global leader in next-generation digital services and consulting. We enable clients in 46 countries to navigate their digital transformation. With over three decades of experience in managing the systems and workings of global enterprises, we expertly steer our clients through the many next of their digital journey. We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise and ideas from our innovation ecosystem.Visit to see how Infosys can help your enterprise navigate your next.All aspects of employment at Infosys are based on merit, competence and performance. We are committed to embracing diversity and creating an inclusive environment for all employees. Infosys is proud to be an equal opportunity employerWork LocationBucharest, Targu Mures, County Mures, Timisoara, County TimisCountryRomaniaState / Region / ProvinceBucharest, County Mures, County Timis, Wisconsin (ROU)CompanyIL Romania Interest GroupInfosys Limited Job RoleTechnology AnalystRole Designation descriptionTechnology AnalystAuto req ID: 148697BR
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