Location: Bucharest, Romania
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.
