Network and Security Administrator (M/F)

Building a future of trust together

Thales is a global high-tech leader specializing in three business sectors: Defense & Security, Aerospace & Space, and Cyber & Digital. It develops products and solutions that contribute to a safer, more environmentally friendly, and more inclusive world. The Group invests nearly 4 billion euros per year in Research & Development, particularly in key innovation areas such as AI, cybersecurity, quantum, cloud technologies, and 6G. Thales has nearly 81,000 employees in 68 countries.

Our commitments, your benefits

• Success driven by our technological excellence, your experience, and our shared ambition
• An attractive compensation package
• Continuous skills development: training programs, academies, and internal communities
• An inclusive, benevolent environment that respects employee balance
• Recognized societal and environmental commitment

Your daily life

By joining us, you will integrate a dynamic site bringing together our digital services activities, enabling us to operate our clients' critical information systems and support them in their secure digital transformation.

Your main missions will include:

• Analysis of network malfunctions (N2/N3), incident management (implementation of corrective actions)
• Ensuring IT system compliance
• Ensuring operational, security, and homologation maintenance of network components
• Administering/operating security equipment, infrastructure services (DNS, DHCP, AAA)
• Ensuring a smooth BUILD to RUN transition
• Participating in and improving system automation (scalability)
• Contributing to the implementation of performance metrics
• Participating in technical workshops for platform network architecture and engineering
• Contributing to the preparation of regulatory audits
• Being a source of proposals and innovation.

Your Profile

Are you a BAC+5 graduate (Engineering school or university with a specialization in networks), or BAC+2 with an equivalent of 5 years of significant experience as a network administrator, and do you dream of developing your skills in an exciting and constantly evolving technical environment?

You have the following skills:

• Knowledge of operating systems (Linux RHEL, Windows Server 2016 and above), backup and storage solutions (SAN, NAS, RAID, NetApp…), and associated architectures
• In-depth network knowledge: TCP/IP, DNS, DHCP, LAN, VLAN, WIFI, VPN, VRRP/HSRP, VSS, RIP routing, OSPF, Radius, Load Balancing, Firewall (Arkoon/Juniper), …)
• Significant experience with network equipment (CISCO, Juniper, Stormshield Palo Alto, Arkoon…)
• Knowledge of security equipment and solutions, both in terms of technical implementation and administration
• Knowledge of ANSSI security fundamentals, technologies related to network (and system) security
• Knowledge of automation tools (Ansible, Terraform) and shell scripting (Python, Bash, Powershell).

The qualities required to succeed in this role are your rigor and organization, your ability to communicate and simplify information for diverse interlocutors, your adaptability, and your analytical and synthesis skills.

The position may require access to information related to national defense secrecy; the selected person will be subject to an authorization procedure, in accordance with the provisions of articles R.2311-1 et seq. of the Defense Code and IGI 1300 SGDSN/PSE of August 9, 2021.

A word from the manager

Our mission within the Dedicated Expertise Services Center (CSED) of the Critical IT Management Engineering Directorate (Di²C) is to build and operate the infrastructures of tomorrow. In a constantly evolving world, we are at the heart of technological and operational challenges, thus guaranteeing performance, resilience, and security to our increasingly demanding clients.

Thanks to our expertise, our industrial know-how, and our ability to manage large-scale projects, we innovate every day to push the limits of technology and ensure high service availability for all our clients (internal or external).

By joining Thales Digital Services, you become part of a large group with its advantages, but also human-sized, dynamic, and motivated local teams, where proximity management and benevolence foster everyone's development and success.

To continue our development, we are looking for today's and tomorrow's talents: passionate, motivated professionals, ready to take on the challenges of our sectors of activity and grow with us.

Together, thanks to your expertise and commitment, let's meet the challenges and build the future!

Thales, a Handi-Engaged company, recognizes all talents. Diversity is our best asset. Apply and join us!

The position may require access to information related to national defense secrecy; the selected person will be subject to an authorization procedure, in accordance with the provisions of articles R.2311-1 et seq. of the Defense Code and IGI 1300 SGDSN/PSE of August 9, 2021.