Security and Network Engineer

Jobtailor; Marcoussis; Sur place; EUR 65 000 - 90 000; Plein temps

Résumé du poste

Jobtailor seeks an experienced Network Infrastructure Specialist to define secure architectures and implement high-performance networks. You will ensure system availability, drive incident resolution, and enforce PCI/ISO 27001 compliance across LAN/WAN/VPN, with strong monitoring and configuration-management tooling.

Fluency in English is required and prior experience in large international environments is a plus.

Qualifications

• Must-have: associate degree or equivalent (Bac+2) with 8+ years in firewall administration and network infrastructure in large/medium enterprises
• Strong expertise in LAN/WAN/VPN and wireless technologies
• Experience with Fortinet security technologies and Cisco architectures
• Knowledge of PCI and ISO 27001 data security standards
• Familiar with monitoring tools (Grafana, Nagios, Zabbix) to ensure system availability
• Understanding of NAS/SAN and general system concepts
• Proficient in configuration management tools (Ansible, Puppet, Chef) to ensure consistent configurations
• Professional-level English; ITIL knowledge is a plus

Responsabilités

• Participate in defining technical architectures within security and network scope
• Implement architectures and ensure they meet functional requirements
• Ensure operational continuity at levels 2 and 3
• Analyze and monitor infrastructure performance to identify and resolve issues
• Define and execute action plans to achieve target performance
• Resolve infrastructure incidents and communicate with stakeholders
• Identify root causes of recurring issues and propose solutions
• Ensure IT infrastructures comply with PCI and ISO 27001 security standards
• Implement monitoring systems to guarantee proper operation and plan preventive maintenance
• Provide end-user and partner support for security and network questions
• Identify opportunities to improve processes and technologies to maximize efficiency

Connaissances

Network architectures

Fortinet security

Cisco architectures

Performance management

PCI ISO 27001 compliance

End-user support

English proficiency

ITIL knowledge

Formation

Associate degree or equivalent (Bac+2)

Outils

Grafana

Nagios

Zabbix

Ansible

Puppet

Chef

Description du poste

Responsibilities

• Participate in defining technical architectures within the security and network scope
• Implement technical architectures and ensure they meet the expressed functional requirements
• Ensure operational continuity at levels 2 and 3
• Analyze and monitor infrastructure performance to identify and resolve performance issues
• Define and execute action plans to achieve expected performance levels
• Resolve infrastructure-related incidents and communicate effectively with stakeholders
• Identify root causes of recurring issues and propose solutions to prevent recurrence
• Ensure IT infrastructures comply with security standards and regulatory requirements (e.g., PCI, ISO 27001)
• Implement monitoring systems to guarantee proper infrastructure operation and plan preventive maintenance activities
• Provide support to end users and partners for issues or questions related to security and network scope
• Identify opportunities to improve existing processes and technologies to maximize efficiency and performance

Requirements

• Associate degree or equivalent (Bac+2) with a minimum of 8 years' experience in firewall administration and network infrastructure within large/medium enterprises in an international context
• Expertise in network architectures (LAN, WAN, VPN) and wireless technologies
• Expertise with Fortinet security technologies
• Expertise with Cisco architectures
• Expertise in performance management and network optimization practices
• Knowledge of standards and regulations (e.g., PCI, ISO 27001) related to data security
• Experience using monitoring tools (such as Grafana, Nagios, or Zabbix) to ensure system availability and performance
• Knowledge and understanding of general system concepts, authentication mechanisms, NAS/SAN
• Strong knowledge of configuration management tools (such as Ansible, Puppet, or Chef) to ensure consistent configurations and reduce human error
• Professional-level English
• ITIL methodology (would be a plus)

Core Competencies

Demonstrates expertise in network architectures, including LAN, WAN, and VPN, while ensuring compliance with security standards such as PCI and ISO 27001. Proficient in performance management, incident resolution, and the implementation of monitoring systems to enhance infrastructure efficiency.