System Security Infrastructure Engineer for NATO Project (L2)

Thales is a global technology leader trusted by governments, institutions, and enterprises to tackle their most demanding challenges. From quantum applications and artificial intelligence to cybersecurity and 6G innovation, our solutions empower critical decisions rooted in human intelligence. Operating at the forefront of defence and security, aerospace and space, cybersecurity and digital identity, we’re driven by a mission to build a future we can all trust.

In Romania, we are advancing innovation through software engineering, research and development, delivering solutions in key markets in which Thales Group operates. Our engineers design, develop and integrate solutions that impact global industries – from fully operational systems and subsystems for naval warfare and maritime security operations, to air traffic management systems, satellite-based solutions, tactical indoor simulations, identity and biometric technologies and more.

This role focuses on supporting and coaching SSI administrators, ensuring best practices in secure system operations, and maintaining up-to-date technical documentation (SOPs) aligned with evolving security standards.

The objective is to strengthen security administration, foster technical knowledge transfer, and ensure smooth communication and compliance with NATO security requirements.

You will have to deliver high-level support and operational excellence in the management of System

Security Infrastructure (SSI), acting as the principal point of contact for NATO on all SSI-related matters.

Responsibilities:

• Security administrator of a hybrid CIS in charge of:

  • Security solutions deployment and management

  • Access management and identity management for administrators

  • Security monitoring (logs and alerts)

  • Incident detection and response

  • Vulnerability and update management

  • Security reporting

  • Security awareness

ITIL Processes:

• Event Management - beginner

• Incident Management – intermediate

• Service Request Management - beginner

• Change Management - intermediate

• Service Level Management - beginner

• Problem Management - beginner

• Security Management - intermediate

• Service Asset & Configuration Management - beginner

Required Skills & Experience:

• IaaS, PAS, DMZ – beginner

• SSI – intermediate

• OS: Microsoft Windows Active Directory, DNS, NTP – intermediate

• Core services : DHCP / NPS / SCCM – intermediate

• Firewall configuration: Filtering, IPS, IDS, Deep Packet Inspection, anti-malware, IPSec configuration. (Fortinet or Palo Alto (Panorama)) - intermediate

• Network configuration (CISCO) - intermediate

• Bastion (Wallix) - intermediate

• PKI, keys and certification management – intermediate

• Log management (OS, AD, Cisco switch, routers, FW, ESXi) - intermediate

• Endpoint Security solution configuration (Trellix) – intermediate

• Access management and administrator identities management – intermediate

• Security patching – intermediate

• Backup configuration and monitoring (Commvault, Veeam) – intermediate

• VLAN configuration – intermediate

• SCAN SSI (Nessus) – beginner

• Antivirus, antimalware (epo) – intermediate

• Ansible GIT – intermediate

• Fluent English

Behavioral skills:

• Values-driven (Focus, Openness, Respect, Courage, Commitment)

• Optimistic

• Self-driver

• Proactive, problem solver

• Team player

• Customer relationship

Key Deliverables:

• Security Reports

• Tickets fulfilled

• Checklist fulfilled

Certification:

• ITIL V4 foundation

Mobility:

• Flexibility to travel between France and Belgium

• No work from home available

• On-boarding period: 3 months

Your career at Thales:

Future opportunities will allow you to discover other domains or sites. You will be able to evolve and grow your competences in different areas:

• Room and attention to personal development.

• Build your talents in another domain of Thales Group, discovering new products, new customers, new country or go to a more complex Solution.

• Choose between a technical expertise or a leadership path.

• Build an international career within a leading Engineering Group.

• Work for different Thales domains & entities.

Your immediate benefits:

• 24 holiday days a year

• Benefit Online

• A good work-life balance which includes flexible working hours

• A comprehensive compensation and benefit package including medical coverage & life insurance

• GoFluent & Coursera Subscription

• Engineering, Technology & Management Academies

At Thales, we’re committed to fostering a workplace where respect, trust, collaboration, and passion drive everything we do. Here, you’ll feel empowered to bring your best self, thrive in a supportive culture, and love the work you do. Join us, and be part of a team reimagining technology to create solutions that truly make a difference – for a safer, greener, and more inclusive world.