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Orange

Global telecommunications provider delivering mobile services

Experienced Systems and Network Engineer

Security Operations & Incident ResponseConfirmed live in the last 24 hours
Full-timeCesson-Sévigné, FranceNo salary listedIn-person

About the Job

Requirements

  • Engineering education in systems or networks at BAC+5 level.
  • A successful first professional experience with one or more of the technologies used by the service.
  • Experience with Linux systems such as CentOS 7–8, Red Hat, or Debian; Windows systems including Windows Server and Active Directory; virtualization with VMware or Hyper-V; networking with Cisco or Juniper; protocols including Syslog, TCP/IP, UDP, IPSec, SMTP, and LDAP; SIEM tools such as Qradar or ELK; firewalls such as Fortinet, Palo Alto, or Checkpoint; monitoring with SNMP, NRPE, or Prometheus/Grafana; scripting in Python, Bash, Perl, or YAML; and tools such as Ansible, Docker, or Kubernetes.
  • English language use (reading, writing, and speaking) is strongly recommended for international activities.

Responsibilities

  • Develop expertise in security equipment such as firewalls, detection probes, and SIEM, as well as system applications including Windows Server and Linux.
  • Ensure operational and security maintenance of systems in accordance with the service level expected by clients.
  • Supervise, monitor, and maintain equipment.
  • Handle platform alerts and incidents.
  • Analyze, qualify, and carry out client change requests.
  • Upgrade client equipment versions in accordance with engineering instructions.
  • Carry out scheduled interventions.
  • Perform on-call duties as part of 24/7 support.
  • Conduct periodic checks, including monitoring, backups, and hardware and software end-of-support checks, and optimize resource use.
  • Work closely with suppliers including IBM, RSA, Splunk, and Dell.
  • Develop, maintain, and debug scripts in languages such as Python, Bash, and Perl to automate tasks.

Desired Qualifications

  • Experience with Arbor probes, McAfee IPS, Nozomi, or Vectra.
  • Experience with IronPort proxies.
  • Experience with BigIP load balancers.
  • Experience with Pulse Secure SSL or SafeNet.
  • Experience with Gatewatcher.

About the Company

Orange

Global telecommunications provider delivering mobile services

Orange is a global telecommunications company providing mobile, fixed-line, and internet services to millions of customers. Its products work by running cellular networks, fixed broadband, and digital services that let people make calls, send messages, browse the web, and use apps on smartphones and other devices; brands like Orange are used across services and regions to offer plans, data, roaming, and customer support. The company differentiates itself through its long history of growth via strategic acquisitions and a single, unified global brand, giving it a broad European and international footprint with integrated mobile, fixed-line, and digital offerings. Its goal is to connect people and businesses worldwide by delivering reliable communications and digital services while expanding its network reach and continuing to evolve in the telecom landscape.

Company size
10,001+
Company stage
IPO
Headquarters
Paris, France
Founded
1988

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