The Linux & Data Center Systems Administrator is responsible for the administration, availability, security, and ongoing maintenance of Linux-based systems, virtualization platforms, and physical data center infrastructure.
The role combines Linux system administration, virtualization, hardware management, troubleshooting, automation, patching, backup operations, and hands-on data center activities. The position works closely with infrastructure, network, security, and other IT teams to maintain reliable and secure production environments.
Key Responsibilities:
Linux Systems Administration
- Administer and maintain Linux operating systems across production and non-production environments.
- Troubleshoot operating system, application, performance, storage, networking, and service-related issues.
- Perform Linux OS installation, configuration, upgrades, and lifecycle management.
- Manage OS patching, security updates, and remediation activities.
- Configure and maintain system services, packages, repositories, users, permissions, and access controls.
- Manage backup and recovery procedures for Linux systems.
- Perform backup validation and support system recovery when required.
- Develop and maintain automation and operational scripts using Bash and Python.
- Automate repetitive administration, maintenance, monitoring, and troubleshooting tasks.
- Investigate system logs and identify root causes of infrastructure incidents.
- Apply Linux security best practices, system hardening, and vulnerability remediation.
- Support capacity, performance, and availability management of Linux servers.
- Maintain technical documentation, operational procedures, and troubleshooting guides.
Virtualization Administration
- Administer and maintain virtualization environments based on KVM and VMware ESXi.
- Provision and configure virtual machines.
- Configure virtual CPU, memory, storage, networking, and other VM resources.
- Troubleshoot hypervisor, virtual machine, storage, networking, and performance issues.
- Perform hypervisor installation, configuration, maintenance, and upgrades.
- Manage host and VM lifecycle activities.
- Support patching and security updates of virtualization infrastructure.
- Monitor virtualization infrastructure availability, health, capacity, and resource utilization.
- Support migration, recovery, and maintenance activities involving virtual machines and hypervisor hosts.
- Participate in troubleshooting incidents affecting virtualized services and infrastructure.
Data Center & Hardware Administration
- Administer and maintain physical server infrastructure, primarily Dell and HPE hardware.
- Install, configure, provision, and decommission physical servers.
- Perform hardware troubleshooting and coordinate replacement of failed components.
- Manage server firmware, BIOS, drivers, and hardware-related patching.
- Perform firmware and software patching/repatching of new and existing hardware.
- Configure and manage server remote management interfaces such as Dell iDRAC and HPE iLO.
- Monitor physical server health, hardware alerts, temperatures, power usage, and component status.
- Diagnose server hardware issues involving CPU, memory, storage, RAID, networking, power supplies, and other components.
- Work with data center services and support teams during hardware installations, replacements, maintenance, and infrastructure changes.
- Perform rack-level activities including server installation, cabling, power connectivity, and hardware replacement.
- Work with Power Distribution Units (PDUs) and related power infrastructure.
- Perform remote and local power management of servers and infrastructure equipment.
- Monitor and control power consumption within the data center environment.
- Support power planning and capacity management for racks and infrastructure.
- Maintain accurate records of physical infrastructure, server configuration, and hardware lifecycle.
- Coordinate with vendors and data center providers for hardware support and replacement activities.
Troubleshooting & Operations
- Provide operational support for Linux, virtualization, and physical server infrastructure.
- Troubleshoot incidents from the operating system through the virtualization and hardware layers.
- Perform root cause analysis for recurring infrastructure issues.
- Participate in infrastructure maintenance and planned change activities.
- Support production incidents and service restoration activities.
- Work with networking, storage, security, application, and data center teams to resolve cross-platform issues.
- Implement preventative actions to improve infrastructure stability and availability.
Security & Patch Management
- Maintain secure configuration of Linux systems and virtualization infrastructure.
- Apply security patches, firmware updates, and vulnerability remediation.
- Support security hardening according to organizational standards.
- Review operating system and infrastructure vulnerabilities and coordinate remediation.
- Ensure privileged access and administrative permissions follow security requirements.
- Support security audits and provide infrastructure-related technical information when required.
Requirements
- Strong Linux system administration and troubleshooting skills.
- Experience with Linux patch and package management.
- Experience with backup and recovery operations.
- Bash and Python scripting and automation
- Linux security and system hardening.
- Experience administering KVM and VMware ESXi virtualization environments.
- Virtual machine provisioning and troubleshooting.
- Physical server administration.
- Experience with Dell and HPE enterprise servers.
- Hardware troubleshooting and component replacement.
- Experience working in data center environments.
Preferred Knowledge
- Configuration management and automation tools such as Ansible.
- Infrastructure monitoring and alerting systems.
- Centralized logging and log analysis.
- Enterprise backup solutions.
- SAN/NAS and enterprise storage concepts.
- Linux networking and firewall configuration.
- TCP/IP, DNS, routing, VLAN, and network troubleshooting.
- VMware vCenter.
- High-availability and clustering concepts.
- IT-based incident, problem, and change management processes.
About Webbing
Founded in early 2010, Webbing is a global data MVNO that delivers enterprise grade, global connectivity and IoT services across more than 200 countries and 600+ mobile carriers' networks. Webbing's secured network delivers network protection and web content intelligence.
Enterprise customers can manage, monitor, and optimize data usage in real-time with Webbing's powerful software platform. Gain visibility by application type and have the power to white list applications and limit non-business applications with the click of a button, saving money and improving compliance.
What we offer
- An exciting and challenging workplace with great skill and knowledge development opportunities.
- The opportunity to join a team of highly professional specialists in an international environment.
- The opportunity for professional development within a reputable international innovative and growing company.
- Meal Vouchers.
- Medical insurance.