Network Systems Administrator

Jobtailor; Colombelles; Sur place; EUR 45 000 - 65 000; Plein temps

Résumé du poste

Jobtailor in Colombelles, France, is seeking an experienced IT Systems and Network Administrator to ensure operational continuity of our infrastructure. You will monitor performance, manage incidents, perform backups, and support users with Level 2/3 assistance.

The role combines server and network administration (Windows Server, Active Directory, Linux, VMware) with security policy compliance and ongoing documentation.

Qualifications

• Bachelor’s to Master’s degree in IT or related field.
• 2–5 years of systems and network administration experience.
• Experience in industrial or critical environments preferred.
• Strong analytical and troubleshooting skills.
• Ability to work in compliance with procedures and security requirements.

Responsabilités

• Administer and maintain systems and network infrastructures.
• Ensure operational continuity of equipment and services.
• Monitor infrastructures and analyze system performance.
• Manage incidents, diagnose malfunctions, and implement corrective solutions.
• Perform data backup and recovery operations.
• Participate in installation, configuration, and evolution of server and network equipment.
• Ensure compliance with IT security and cybersecurity policies.
• Perform preventive and corrective maintenance.
• Participate in projects to develop industrial IT infrastructures.
• Prepare and update technical documentation.
• Assist users and provide Level 2/3 support.
• Conduct validation testing to ensure system reliability and availability.

Connaissances

Windows Server

Active Directory

DNS & DHCP

GPO

Linux environments

TCP/IP networks

VMware

Monitoring tools

Backup & recovery

Information security

ITSM tools

Formation

Bachelor’s to Master’s degree in IT

Outils

ServiceNow

EasyVista

Monitoring tools

Backup software

VMware/virtualization

Description du poste

• Administer and maintain systems and network infrastructures
• Ensure the operational continuity of equipment and services
• Monitor infrastructures and analyze system performance
• Manage incidents, diagnose malfunctions, and implement corrective solutions
• Perform data backup and recovery operations
• Participate in the installation, configuration, and evolution of server and network equipment
• Ensure compliance with IT security and cybersecurity policies
• Perform preventive and corrective maintenance
• Participate in projects to develop industrial IT infrastructures
• Prepare and update technical documentation
• Assist users and provide Level 2/3 support
• Conduct validation testing to ensure system reliability and availability

Requirements

• Bachelor’s to Master’s degree in IT or a related field
• At least 2 to 5 years of experience in a systems and network administration role
• Experience in an industrial or critical environment is preferred
• Strong analytical and troubleshooting skills
• Thoroughness and strong organizational skills
• Responsiveness and autonomy
• Excellent interpersonal and customer service skills
• Ability to work in compliance with procedures and security requirements
• Technical skills: Windows Server, Active Directory, DNS, DHCP, GPO, Linux environments, TCP/IP networks, VLANs, switches, VMware/virtualization, monitoring tools, backup and recovery, information systems security, ITSM tools (ServiceNow, EasyVista, or equivalent)

Core Competencies

Demonstrates expertise in systems and network administration, with a strong focus on operational continuity, incident management, and compliance with IT security policies. Proficient in technical documentation and providing Level 2/3 support in industrial IT environments.

Highest-signal resume keywords

• Windows Server Administration
• Active Directory Management
• Network Troubleshooting
• IT Security Compliance
• Data Backup and Recovery

ATS Optimization Keywords

Hard Skills

• Systems Administration
• Network Administration
• Troubleshooting
• Preventive Maintenance
• Validation Testing
• Technical Documentation
• Incident Management
• Performance Analysis
• Configuration Management
• Cybersecurity Policies

Soft Skills

• Analytical Skills
• Organizational Skills
• Interpersonal Skills
• Customer Service Skills
• Responsiveness

Industry Keywords

• Industrial IT
• Critical Environment
• Information Systems Security
• Operational Continuity
• Data Recovery Operations

Tools & Technologies

• VMware
• Monitoring Tools
• ITSM Tools
• ServiceNow
• EasyVista
• Linux Environments
• TCP/IP Networks
• VLANs
• Switches
• GPO