System Administrator

Hammerjack Pty Ltd; Philippines; On-site; PHP 900,000 - 1,300,000; Full time

Benefits offered by this job

Career growth

Professional development

International projects

Job summary

DataOne is seeking a System Administrator in Davao, Philippines to install, configure, and maintain IT systems and infrastructure. You will work closely with the CTO and IT Infrastructure team to ensure reliability, performance, and security across the platform.

You will contribute to automation, incident resolution, backups, and documentation, while supporting a broad tech stack including Windows, Debian, Prometheus, Grafana, Ansible, GitLab CI/CD, databases, and networking.

Qualifications

• 5+ years in System Administration or IT Infrastructure.
• Strong experience with Windows Server and Debian Linux.
• Good understanding of networking concepts (L2/L3, VLANs, firewalls).
• Experience with monitoring tools such as Prometheus and Grafana.
• Experience with infrastructure automation using Ansible.
• Knowledge of GitLab CI/CD.
• Scripting skills in Bash and/or Python.
• Experience with logging/monitoring environments.
• Knowledge of HAProxy, BIND, MariaDB/PostgreSQL, and LibreNMS is valued.
• Experience with backups and disaster recovery.

Responsibilities

• Install, configure, and maintain physical/virtual servers (Windows/Linux).
• Deploy, configure, and maintain software and OS images.
• Monitor systems for high availability and performance.
• Manage backups and disaster recovery plans.
• Troubleshoot incidents and optimise resolutions.
• Automate deployments and configurations (Ansible, GitLab CI/CD).
• Maintain Windows Server and Debian environments.
• Support networks (L2/L3, VLANs, firewalls).
• Implement monitoring with Prometheus and Grafana.

Skills

Windows Server

Debian Linux

Networking L2/L3

Firewalls

Prometheus

Grafana

Ansible

GitLab CI/CD

Bash

Python

Logging (rsyslog/Fluent Bit)

HAProxy

BIND

MariaDB / PostgreSQL

LibreNMS

Disaster Recovery

Tools

Prometheus

Grafana

Ansible

GitLab CI/CD

Job description

SYSTEM ADMINISTRATOR

Location: Davao, Philippines

Contract Type: Full-time

Experience: 5+ years

Department: IT Infrastructure

Reporting to: Chief Technology Officer (CTO) / IT Infrastructure Department

WHO ARE WE

DataOne designs, develops, and operates sustainable AI Factories, combining energy, infrastructure, and artificial intelligence at industrial scale.

We operate large-scale digital and energy infrastructures internationally, delivering concrete projects measured in hundreds of megawatts and designed for long-term operational performance.

At DataOne, we are builders and operators. We prioritize real-world execution, operational excellence, and measurable impact.

YOUR ROLE

As a System Administrator, you will be responsible for the installation, configuration, maintenance, monitoring, and security of DataOne's IT systems and infrastructure.

Working closely with the CTO, IT Infrastructure team, and other technical teams, you will help ensure the availability, reliability, performance, and security of our systems.

You will also contribute to infrastructure automation, incident resolution, backup and disaster recovery, system documentation, and the continuous improvement of our IT environment.

KEY RESPONSIBILITIES

• Install, configure, and maintain physical and virtual servers across Windows Server and Linux environments.
• Deploy, configure, and maintain software and operating systems.
• Monitor systems and infrastructure to ensure high availability and performance.
• Manage and monitor backups and disaster recovery plans.
• Diagnose, troubleshoot, and resolve technical incidents.
• Automate infrastructure deployments and system configurations.
• Manage Windows Server environments, including operating system and software deployment and configuration.
• Administer and maintain Debian Linux environments.
• Support networking environments including L2/L3, VLANs, and firewalls.
• Implement and maintain monitoring solutions using Prometheus and Grafana.
• Use Ansible and GitLab CI/CD to automate deployments and configuration processes.
• Develop and maintain scripts using Bash and Python.
• Manage logging solutions including rsyslog and Fluent Bit.
• Work with infrastructure technologies including HAProxy, BIND, MariaDB, PostgreSQL, and LibreNMS.
• Apply a security-first approach across infrastructure projects and daily operations.
• Document systems, configurations, procedures, and technical processes.
• Track and manage assigned IT projects and technical tasks.
• Respond quickly and effectively to critical technical incidents.
• Identify potential improvements and proactively recommend solutions.

YOUR PROFILE

• 5+ years of experience in System Administration, IT Infrastructure, or a similar technical position.
• Strong experience with Windows Server and Debian Linux.
• Good understanding of networking concepts, including L2/L3, VLANs, and firewalls.
• Experience with monitoring tools such as Prometheus and Grafana.
• Experience with infrastructure automation using Ansible.
• Knowledge of GitLab CI/CD.
• Scripting capabilities with Bash and/or Python.
• Experience with logging and monitoring environments.
• Knowledge of HAProxy, BIND, MariaDB, PostgreSQL, and LibreNMS is highly valued.
• Experience managing backups and disaster recovery processes.
• Strong troubleshooting and incident-resolution skills.
• Good understanding of IT security principles and best practices.
• Strong documentation and organizational skills.
• Autonomous, proactive, structured, and results-oriented.
• Ability to work effectively within an international and highly technical environment.
• Strong willingness to continuously learn and expand technical skills.

Benefits

WHY JOIN DATAONE

• Contribute to some of the most ambitious industrial AI projects on the market.
• Work on real, mission-critical assets at the heart of energy and digital infrastructure challenges.
• Gain exposure to a broad technology stack covering systems, networking, automation, monitoring, databases, and security.
• Participate in large-scale international projects.
• Work in a demanding, structured, and technically challenging environment.
• Have a direct and visible impact on DataOne's IT infrastructure and operations.
• Benefit from opportunities for professional development and career growth.
• Join expert, technical, and highly committed teams