Monitoring Analyst – Mid-level
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Job Description
Analista NOC monitorando redes de telecomunicações para provedores, operadoras e empresas. Investigando incidentes e evoluindo sistemas de monitoramento com Zabbix e Grafana.
Responsibilities:
- Monitor availability, performance and capacity of assets, links and network services
- Analyze alarms, events, dashboards and indicators from monitoring systems
- Triage and investigate incidents, identifying probable causes, impacts and priorities
- Perform connectivity, infrastructure and service diagnostics
- Configure and maintain hosts, templates, items, triggers, macros, discovery rules, actions and maps in Zabbix
- Create and improve dashboards, panels and alerts in monitoring systems
- Investigate collection failures via SNMP, ICMP, agents, APIs and other integration methods
- Review triggers and parameters to reduce false positives and improve alarm accuracy
- Log and follow up on tickets, ensuring SLA compliance
- Contact clients, carriers, vendors and technical teams according to escalation workflows
- Support less experienced analysts in incident analysis and procedures
- Identify recurring events, trends, risks and opportunities for improvement
- Document procedures, solutions and standards, ensuring complete shift handovers
Requirements:
- Hands-on experience with Zabbix in production environments
- Intermediate knowledge of hosts, templates, items, triggers, macros, discovery, actions and maps
- Experience with Grafana for analyzing, creating and maintaining dashboards
- Knowledge of SNMP, ICMP, agents, Syslog and APIs
- Understanding of TCP/IP, IP addressing, DNS, VLANs, routing, latency, packet loss and availability
- Ability to interpret metrics, graphs, alerts, trends and capacity indicators
- Familiarity with ping, traceroute, MTR and SSH/Telnet
- Basic Linux skills and ability to perform basic server investigations
- Experience in incident management, technical escalation and SLA compliance
- Good communication, organization, sense of priority and availability to work shifts/on-call
- Background in monitoring, infrastructure, technical support or NOC operations, with practical experience in Zabbix and Grafana, preferably in ISPs or telecommunications environments
- Desirable knowledge: switches, routers, firewalls, servers, links, OLTs and BRAS/BNGs; distributed Zabbix, proxies and collection troubleshooting; databases; alert and notification integrations; Bash or Python; virtualization, containers, ITIL, problem management and root cause analysis
- Courses or certifications in Zabbix, Grafana, networking, Linux or infrastructure are a plus
- Availability to work shifts/on-call
Benefits:
- Continuous development
- Technical support
- Support for training and relevant certifications
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