Requirements

• Minimum 4+ years of experience as a System Administrator with a strong focus on Linux administration.
• Proven experience in configuring and managing firewall rules (iptables/firewalld).
• In-depth knowledge of log analysis tools and system monitoring techniques.
• Experience with configuration management tools like Ansible or Puppet (a plus).
• Familiarity with virtualization platforms (Proxmox, VMware vSphere, KVM) preferred.
• Solid understanding of storage technologies (RAID, SAN, NAS).
• Strong knowledge of TCP/IP networking principles and protocols (BGP, subnetting, ACLs).
• Experience with network troubleshooting tools (ss, netstat, traceroute, mtr).
• Proficiency with scripting languages (Bash, Python) for automation tasks.
• Familiarity with containerization technologies (Docker) is a plus.
• Experience with Infrastructure as Code tools (Terraform, Ansible) is a plus.
• Experience with development languages like Go (Golang) is a plus.

Bonus skills

• Experience with cloud platforms (AWS, Azure, GCP) is a plus.
• Experience with Kubernetes concepts and tools (kubectl, Helm) is a strong plus.
• Strong understanding of DevOps principles and practices.
• Excellent communication and interpersonal skills.
• Ability to work independently and as part of a team.
• Problem-solving and critical thinking skills.
• Proactive and results-oriented approach.

Responsibilities

Linux Servers

• Configuration and management of Linux server environments.
• Implementing firewall rules (iptables) for enhanced security.
• Monitoring and analyzing logs and metrics for performance optimization and troubleshooting.
• Managing kernel parameters, network interfaces, and DHCP servers for efficient network configuration.
• Setting up user accounts and permissions to ensure secure access.
• Configuring NTP for time synchronization and cron jobs for scheduled tasks.
• Utilizing systemd for service management.

Virtualization

• Configuring and managing the virtualization layer (e.g., VMware vSphere, KVM) for optimal resource utilization.
• Implementing robust backup and recovery solutions for virtual machines.
  Leveraging management interfaces (ILO, IDRAC) for efficient hardware monitoring and control.

Storage Servers

• Managing data storage including storing, backing up, restoring, and moving data efficiently and securely.
• Setting up and configuring storage servers including OS installation, RAID configuration, cache optimization, and hardware specifications.
• Managing partitions, file systems, and network file systems (NFS) for efficient storage utilization.

Networking

• Configuration and management of network infrastructure including routers (BGP protocol), switches, and firewalls.
• Implementing subnets, network ACLs, and routing protocols for optimal network segmentation and security.
• Understanding of OSI Layers for troubleshooting network connectivity issues.
• Managing load balancers and configuring DNS zones for high availability and traffic distribution.

Benefits

• Always someone hears you and your opinion mater
• Opportunity to work with a project at scale
• Gain experience of working with 300+ microservices
• Internal learning sessions each week
• Attractive compensation package in balance with your skills

Other details

• Required location: Bucharest
• Job type: Hybrid
• Office – Monday/Tuesday/Wednesday
• Remote – Thursday/Friday
• Working hours 09.00 – 18.00, lunch break 13.00 – 14.00