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Open nowFirst seen 12 hours ago

Linux & Data Center Systems Administrator

webbing/46.00e33 open roles

Where
Bucharest, Romania, Remote
Work mode
Remote
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Your applicationOpen nowLinux & Data Center Systems Administratorwebbing/46.00e · Bucharest, Romania, Remote

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  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

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The reply lands in your private mailbox

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The clock on this job

Early applications get read.

11.5% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.0%1 day
  2. 4.3%3 days
  3. 11.5%7 days
  4. 18.1%14 days
  5. 35.6%30 days
  6. 44.6%60 days
This job: first seen 12 hours ago

The posting

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.
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