System Security Infrastructure Engineer For NATO Project (L3)

Thales Job Opportunity

Location: Bucharest, Romania

Thales is expanding its presence in the country by growing its Digital capabilities and by developing a Group Engineering Competence Centre (ECC). Operating from Bucharest, Thales delivers solutions in a number of core businesses, from ground transportation, space and defence, to security and aeronautics. Several professional opportunities have arisen. If you are looking for the solidity of a Global Group that is at the forefront of innovation, but with the agility of a human structure that tailors to the personal development of its employees and allows opportunities for evolution in an international environment, then this is the place for you!

Job Summary

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

• L3 Support Role on a hybrid CIS in charge of:
• Security solutions configuration, update and incident management
• Security monitoring (logs and alerts)
• Incident investigation and response
• Vulnerability investigation and security patch management
• Security reporting
• In liaison with Project information system security responsible
• ISS Admin Coaching

ITIL Processes

• Event Management - beginner
• Incident Management – intermediate
• Service Request Management - beginner
• Change Management - intermediate
• Service Level Management - beginner
• Problem Management - intermediate
• Security Management - senior
• Service Asset & Configuration Management - beginner

Required Skills & Experience

• IaaS, PAS, DMZ – beginner
• SSI – senior
• 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 – senior
• Log management (OS, AD, Cisco switch, routers, FW, ESXi) - intermediate
• Endpoint Security solution configuration (Trellix) – senior
• Access management and administrator identities management – senior
• Security patching – senior
• Backup configuration and monitoring (Commvault, Veeam) – senior
• 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)
• Self-driven and proactive problem solver
• Team player with a positive attitude
• Strong communication (spoken and written English)
• Able to work independently and in cross-functional teams
• Leadership and presentation skills, French

Key Deliverables

• Security Reports
• Training documentation and courses
• SOP

Certification

• ITIL V4 foundation

Mobility

• Flexibility to travel between France and Belgium
• No work from home available
• On-boarding period: 2 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 & Udemy Subscription
• Engineering, Technology & Management Academies

At Thales we provide careers and not only jobs. With Thales employing 80,000 employees in 68 countries our mobility policy enables thousands of employees each year to develop their careers at home and abroad, in their existing areas of expertise or by branching out into new fields. Together we believe that embracing flexibility is a smarter way of working. Great journeys start here, apply now!