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System Administrator

JUJUR

Location:
Romania , Bucharest

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Position: System Administrator Location: Bucharest, Romania Employment type: Full-time Work model: On-site

Job Responsibility:

Install, configure, maintain, and support the company’s IT infrastructure, operating systems, server environments, and business-critical systems
Manage the full lifecycle of server hardware, operating systems, and software applications, including updates, upgrades, patching, and performance optimisation
Administer and maintain Windows and Linux server environments to ensure system reliability, availability, and security
Manage virtualization platforms such as VMware, Hyper-V, Proxmox, ESXi, or similar technologies
Configure, maintain, and troubleshoot networking infrastructure including Cisco equipment, switches, firewalls, wireless environments, and related network devices
Monitor system performance, availability, and infrastructure health while proactively identifying and resolving potential issues
Develop and maintain backup, disaster recovery, and business continuity procedures to ensure operational resilience
Implement and manage security measures including antivirus, firewalls, encryption, user access controls, and vulnerability management processes
Automate repetitive operational tasks through scripting and infrastructure automation tools such as PowerShell, Bash, or Python
Provide technical support and troubleshooting for hardware, software, server, and network-related issues
Manage user accounts, permissions, authentication methods, and access policies in line with company security standards
Support infrastructure projects including migrations, upgrades, deployments, and system improvements
Maintain technical documentation related to systems, configurations, procedures, incidents, and maintenance activities
Collaborate closely with internal teams and stakeholders to support operational and infrastructure-related initiatives
Ensure proper maintenance and operational standards within server rooms, including rack management, cabling, airflow, and infrastructure organisation
Maintain high operational accountability, ownership, and responsiveness within a fast-paced production environment
Work in a fully on-site environment with occasional shift rotation and night shift coverage when required.

Requirements:

Fluent in English, both verbal and written
Minimum 3 years of experience as a System Administrator or in a similar infrastructure-focused role
Strong networking knowledge with hands-on experience managing Cisco equipment
CCNA certification is considered a strong advantage
Strong experience administering Windows and Linux server environments
Hands-on experience with virtualization technologies such as VMware, Hyper-V, ESXi, Proxmox, or similar platforms
Familiarity with cloud infrastructure and monitoring platforms such as AWS, Azure, or Google Cloud
Experience with infrastructure monitoring, troubleshooting, and performance optimisation
Knowledge of backup, disaster recovery, and IT security best practices
Experience with scripting or automation tools such as PowerShell, Bash, or Python is considered an advantage
Strong problem-solving, troubleshooting, and organisational skills
Ability to work independently and manage infrastructure responsibilities with minimal supervision
Comfortable working fully on-site and participating in occasional shift and night coverage rotations
Ability to occasionally work night shifts (when required).

Nice to have:

CCNA certification is considered a strong advantage
Experience with scripting or automation tools such as PowerShell, Bash, or Python is considered an advantage

What we offer:

Competitive salary
International work environment
Opportunities for career development

Additional Information:

Job Posted:
May 14, 2026

Employment Type:

Fulltime

Work Type:

On-site work

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