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Penetration Tester 5G Security Expert

il y a 1 mois


Paris, Île-de-France P1 Security Temps plein
About P1 Security

P1 Security is a leading provider of telecom security services, dedicated to securing critical and sovereign mobile networks. Founded in 2011 by Philippe Langlois, a renowned security expert, our mission is to identify, detect, and recover from critical threats and vulnerabilities.

Our Expertise

We specialize in telecom security, with a focus on 5G and cloud-based infrastructure security. Our services include network and telecom core network security, intrusion detection, and vulnerability assessment. We also offer expertise in OpenRAN, Network Slicing, and RAN Sharing, as well as Edge Computing, OpenStack, and Kubernetes.

Key Responsibilities
  • Perform redteam audits on customer premises, preferably remotely.
  • Spot vulnerabilities in different sets of interfaces, including operation and maintenance, signaling, user plane, etc.
  • Develop proofs of concept to illustrate the effectiveness of findings.
  • Propose mitigations and present reports to customers.
  • Contribute to enhance existing and build new products based on field feedback.
Requirements
  • Proficient in pentest Linux-based environments and Web applications.
  • Experience in scripting languages and automate tasks using bash, Python, or other scripting languages.
  • Good knowledge of Linux system architecture, from userspace processes down to kernel modules.
  • Excellent troubleshooting and debugging skills in technical systems, networked environments.
  • Excellent written and oral communication skills.
  • English proficiency is mandatory (written and spoken).
Preferred Qualifications
  • Certificate of pentest skills like OSCP, CEH, or PNPT would be a plus.
  • Knowledge of the Mobile environment ecosystem: vendors, operators, billing, charging, etc.
  • Publicly disclosed vulnerabilities.
  • Knowledge of Linux tracing and dynamic analysis tools.
  • Knowledge of network-based fuzzers.
Language Requirements
  • English - fluent speaker.
  • French - optional.
Specializations

Telecommunications Security, SS7, SIGTRAN, LTE, IMS, UMTS, CDMA, GPRS, OpenStack, Kubernetes, Linux Servers / PNF, Diameter, NFV, Security, VoLTE, VoWifi, GTP, Diameter, 3G, 4G, IoT Security, NFV(i), S1AP, X2AP, Fuzzing, eUTRAN S1AP, X2AP, NgRAN, NGAP, PFCP, 5GC SBI.

Benefits

Remote Policy

P1 Security recognizes the importance of work-life balance and offers a flexible remote policy. Our team members can work remotely while achieving their personal and professional goals. We schedule monthly meetups with department members and gather the entire team on-site every two months to ensure effective communication and collaboration.

Perks

We provide a monthly allocation of €125, which can be used to tailor your benefits to your individual needs. Whether you choose to invest in sustainable transportation, prioritize your health, or enjoy entertainment, the choice is yours.

Healthcare

We've partnered with Alan for health insurance, contributing 60% towards the premium. Alan offers quick and hassle-free reimbursements, transparent coverage, and access to prompt medical advice, as well as programs tailored to your needs.