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Thales

Global defense and aerospace electronics

Network and Security Administrator

Network Engineering & AdministrationConfirmed live in the last 24 hours
Full-timeBrest, FranceNo salary listedHybrid

About the Job

Requirements

  • Hold a Master's degree or an engineering-school qualification.
  • Have significant initial experience as a network administrator in secure environments.
  • Master communication protocols including TCP/IP, DNS, DHCP, NTP, HTTP/HTTPS, FTP, LDAP, and MPLS.
  • Have strong knowledge of configuring and managing network equipment, including routers, switches, firewalls, and Wi-Fi access points.
  • Have knowledge of network architectures including LAN, VLAN, WAN, and VPN.
  • Have knowledge of security equipment and solutions, including their technical implementation and administration, such as firewalls, VPN, IDS/IPS, access controls (ACLs and 802.1X), and encryption (SSL/TLS and IPSec).
  • Have network routing skills, including OSPF, MP-BGP, and PLS.
  • Know network availability and performance monitoring tools such as Nagios, Zabbix, PPRTG, Prometheus, and Grafana.
  • Have experience managing vulnerabilities, authentication (MFA), and identities (IAM).
  • Have a good understanding of cryptography principles for securing communications and data.
  • Have strong knowledge of Linux systems (Ubuntu, CentOS, Debian) and Windows Server.
  • Be rigorous, adaptable, analytical, and able to communicate effectively.

Responsibilities

  • Deploy new network equipment such as firewalls, switches, and encryptors.
  • Manage firewalls to meet different business needs.
  • Analyze network malfunctions and implement fixes.
  • Ensure the BUILD-to-RUN transition.
  • Maintain network components in operational and security condition.
  • Participate in and improve systems automation.
  • Participate in technical architecture and network engineering workshops for different platforms.
  • Provide Level 2 and Level 3 support, including incident analysis and resolution.
  • Identify the technical impacts of network changes on the rest of the platform.

About the Company

Thales

Global defense and aerospace electronics

Thales designs and delivers critical technology for aerospace, defense, and digital security. Its products include electronics, software, and data-security systems that power air travel, payments, and modern military platforms, by integrating hardware and software to build systems such as avionics, radar, cybersecurity, and secure communications that collect sensor data and protect networks. It stands out through deep industrial experience, end-to-end solutions across defense, aerospace, and cybersecurity, and a focus on AI and quantum tech, aided by strategic acquisitions and partial state ownership. Its goal is to provide reliable, secure, and connected technologies that support national security, public safety, and everyday life by solving complex security and connectivity challenges.

Company size
10,001+
Company stage
IPO
Headquarters
Meudon, France
Founded
1893

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