Junior Or Middle Level Xwifi Network EngineerResponsible for design, implementation, maintenance, and troubleshooting of the Xfinity WiFi Core Network infrastructure: routers, switches, ports, firewalls, and load balancers. Actively involved in optimizing the network for greater efficiency and reliability, monitoring network and application health, and ensuring security compliance. Partners with key stakeholders: XWiFi Engineers from the Core Network, QA, and Operations teams, Network/LB Team, Data Center on-site Engineers, Product Owners, Security, and vendors.Network Design and PlanningSupport and optimize performance of current network infrastructure to maximize efficiency, capacity, reliability, and securityParticipate in design of new features and enhancements to existing network design and configuration with XWiFi EngineersModel network capacity for failure scenarios to proactively predict routing and topology changesNetwork Implementation and ConfigurationPlan and implement network upgrades and expansionsManage and maintain network configurations for LAB and production environmentsCoordinate the installation and configuration of network changes for LAB and productionUnit test network and LB changes and coordinate with XWiFi QADefine and socialize standard procedures for network installation, maintenance, and operations: create detailed MOPsFollow the change management process for creation, implementation, validation, and completionParticipate in development of automation to streamline processesNetwork Monitoring and MaintenanceMonitor network performance: identify problems and respond accordinglyBuild and enhance dashboards and alerts on key network elementsNetwork Documentation and ReportingMaintain detailed network documentation for LAB and productionDefine and create regular reports on network performance, availability, and capacity to inform decision-making and drive continuous process improvementNetwork SecurityImplement and maintain network security measures to protect against unauthorized access, data breaches, and malwareConfigure firewalls and advise on the integration of intrusion detection: protect the XWiFi Core Network platform from DDoSParticipate in periodic network audits to ensure compliance with security standardsCollaboration and CommunicationPartner effectively with engineers, key stakeholders, and vendorsShare knowledge and provide guidance to team membersExercise consistent independent judgment and discretion in matters of significance to achieve maximum service availability and optimal customer experienceWork productively without close supervisionParticipate in 24x7 on call rotation as primary or secondaryAvailable to work nights and weekends as neededAttain and maintain key industry standard certifications and educationStay current with the latest networking technologies, industry trends, and best practicesKnowledge - IntermediateNetwork: Routing, Switching, F5 load balancers, VPN, DNS, DHCP, TCP/IP, VLAN, OSPF, BGP, GRE, L2TP, IPv4/IPv6, MAC addressing, Cisco, Juniper, Arista, TCP, UDP, Telnet, SSH, HTTP, HTTPS, SNMP, QoS, Network MonitoringFirewall: Cisco ASA, Juniper SRX, Checkpoint NGLinux, CentOS preferredL2 and TCP/IP NetworkingSoftware Defined Networking, network automation, data-plane programmingVirtualization – VMware, CloudCoding skills – Java, Javascript, Perl, PythonScripting – Unix, Bash, AnsibleProtocols – RADIUS, DIAMETER, EAP, SOAP, SSH, SFTP, SCPTools – Zabbix, Grafana, Wireshark, IP Control, Netconf/YANG, Splunk, Prometheus/MaaSCI/CD - GIT, GIT Copilot, Jenkins, Mortar, DockerDatabase/Streaming – SQL, MySQL, Cassandra, KafkaWiFi RF and Networking - General/AdvancedSkillsExtensive experience with Cisco, Juniper, Arista switches and routersSolid grasp of IP routing and switching: ISIS, OSPF, and BGPSolid knowledge of Layer 2 and Layer 3 internetworking technologies; their applications and routingUnderstanding of Network, OSS/BSS system integration points, and network security principles and practicesProficient in monitoring and diagnostic tools to maintain highest availability and best customer experienceAble to troubleshoot and resolve complex Xfinity WiFi network issues and faults and remediate outages or performance degradationProficient in the understanding and practical application of programming the network versus configuring networksAble to create and interpret complex requirements and technical specificationsProficient in creating and interpreting documentationProven business skills: able interact professionally with internal teams and external vendorsExperience/Education5-6 years experience with Cisco, Juniper, Arista switches, and routers5-6 years experience with network protocols5-6 years experience supporting in Telecommunication Development or Operations or related field supporting high reliability large-scale systemsB.S.
Computer Science or Engineering or M.S. Computer Science