Network Administrator maintaining monitoring solutions for a global IT services company. Collaborating with teams and improving operational efficiency with Nagios in a hybrid work setup.
Responsibilities
Configuring and maintaining monitoring solutions based on Nagios, ensuring reliable coverage of critical network, infrastructure, and application components;
Developing and fine-tuning alert thresholds, reducing false positives and improving the quality of monitoring alerts;
Performing root cause analysis for incidents and recurring issues, actively contributing to problem management;
Administering the Nagios platform, including user and role management, permissions, integrations, upgrades, and regular patching activities;
Creating and maintaining monitoring dashboards, custom scripts, and automated alerting rules;
Collaborating with internal teams and external vendors, supporting monitoring tool enhancements;
Defining and implementing monitoring standards, SOPs, and best practices;
Working closely with application, infrastructure, and DevOps teams, expanding monitoring coverage;
Driving automation initiatives for alerting, reporting, and remediation, improving response times;
Providing technical guidance and mentorship to junior monitoring analysts, supporting skill development and knowledge sharing.
Requirements
3+ years of experience as a Network Administrator, ensuring solid hands-on exposure to network and infrastructure operations;
Work in a hybrid set up (3 days onsite in Alabang, Muntinlupa and 2 days WFH) - Necessary condition;
Strong experience with Nagios, enabling effective configuration, administration, and ongoing optimization of monitoring solutions;
Experience working with Windows Server environments and cloud platforms such as Azure or AWS, supporting hybrid and cloud-based infrastructures;
Working knowledge of Linux operating systems, allowing effective monitoring and troubleshooting of Linux-based systems;
Experience monitoring assigned tasks and scheduled global reports, ensuring consistency and reliability of monitoring outputs;
Strong understanding of monitoring tool configuration, dashboarding, and integrations, supporting operational visibility and insights;
Scripting experience using Python, PowerShell, or shell scripting, enabling automation of monitoring and alerting tasks;
Knowledge of SNMP, APIs, and log- or metrics-based monitoring approaches, supporting diverse monitoring scenarios;
Understanding of the ITIL framework, ensuring alignment with incident, problem, and change management processes;
Experience working with ticketing tools, supporting structured incident tracking and resolution;
Strong analytical and troubleshooting skills, enabling efficient diagnosis and resolution of monitoring-related issues;
Good communication and documentation skills, ensuring clear knowledge sharing and operational clarity;
Detail-oriented, process-driven, and proactive mindset, supporting stable and continuously improving monitoring operations.
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