Network Analyst – Mid-level
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Job Description
Analista de Redes no NIIS, empresa da IPV7 Group que gerencia redes de telecomunicações. Investigando falhas, configurando equipamentos e conduzindo mudanças em ambientes multivendor.
Responsibilities:
- Attend to and follow up on incidents, requests and changes related to network infrastructure
- Perform troubleshooting on layer 2 and layer 3 networks, identifying causes, impacts and corrective actions
- Configure and maintain routers, switches and other network equipment
- Analyze interfaces, MAC and ARP tables, routes, adjacencies, logs and counters for diagnostics
- Work with VLAN, QinQ, STP/RSTP/MSTP, LACP, OSPF, IS-IS, BGP and MPLS/LDP, depending on the environment
- Prepare change procedures including validations, tests and rollback strategy
- Execute and monitor scheduled maintenance windows, ensuring communication and risk control
- Record activities and technical decisions in tickets, meeting defined SLAs
- Interact with customers, carriers, vendors and technical teams on diagnostics and escalations
- Keep documentation, diagrams, inventories and configuration standards up to date
- Identify recurring faults, risks and opportunities for improvement
- Share knowledge and support less experienced analysts
Requirements:
- Experience in network operations, support or management, preferably with ISPs or carriers
- Hands-on experience configuring equipment and troubleshooting connectivity
- Practical experience in Internet service provider (ISP) networks
- Intermediate knowledge of TCP/IP, IPv4, IPv6, subnetting and high availability
- Knowledge of VLAN, QinQ, STP/RSTP/MSTP and LACP
- Hands-on experience with OSPF and BGP and basic knowledge of IS-IS
- Ability to analyze routes, policies, adjacencies, convergence, latency, packet loss and interface utilization
- Experience configuring and troubleshooting network equipment via CLI
- Familiarity with ping, traceroute, MTR, tcpdump or Wireshark and DNS lookups
- Basic knowledge of MPLS/LDP, NAT, QoS, gateway redundancy and layer 2 services
- Familiarity with Linux, SSH, SNMP, Syslog and log analysis
- Experience with incident and change management, technical documentation and meeting SLAs
- Good communication, organization, sense of priority and availability for on-call duty, shifts or scheduled windows
- Nice to have: experience in CGR, NOC or support for ISPs, carriers or telecommunications companies
- Nice to have: multivendor experience with Huawei, Nokia, Cisco, Juniper, MikroTik, Datacom, ZTE or FiberHome
- Nice to have: knowledge of MPLS/LDP, VPLS, BNG/BRAS, PPPoE, RADIUS, CGNAT, OLTs or access networks
- Nice to have: automation with Python, Ansible or scripting and familiarity with Git
- Nice to have: courses or certifications in networking, telecommunications, Linux, ITIL or related areas
- Analytical and investigative mindset, autonomy, responsibility, attention to detail, composure, proactivity and ability to work in a team
Benefits:
- Continuous development
- Technical support
- Support and incentive for training and certifications relevant to the role
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