Penetration Tester 5G Security Expert

il y a 3 semaines


Paris, Île-de-France P1 Security Temps plein

About P1 Security

We are a leading provider of telecom security services, dedicated to securing critical and sovereign mobile networks. Our mission is to identify, detect, and recover from critical threats and vulnerabilities.

Our expertise ranges from network and telecom core network security to intrusion detection and vulnerability assessment solutions. We are a lean scale-up, engaged aggressively in emerging markets, Europe, and North America.

Our team includes experts from telecom operators and security companies, as well as renowned security researchers who regularly present unique research at leading international security conferences.

We are looking for a skilled Penetration Tester to join our team. The ideal candidate will have experience in pentest Linux-based environments and Web applications, as well as excellent troubleshooting and debugging skills.

Key Responsibilities:

  • Perform redteam audits on customer premises, preferably remotely
  • Spot vulnerabilities in different sets of interfaces of the target: operation and maintenance, signaling, userplane, ...
  • Develop proofs of concept to illustrate the effectiveness of the 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, ...
  • Publicly disclosed vulnerabilities
  • Knowledge of Linux tracing and dynamic analysis tools
  • Knowledge of network-based fuzzers

Language requirements:

  • English - fluent speaker
  • French - optional

Specialisations:

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:

We recognize the importance of work-life balance and offer 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.

  • Perks:

We provide a monthly allocation of €125, giving you the flexibility to tailor your benefits to your individual needs. You can choose to invest in sustainable transportation, prioritize your health, or enjoy entertainment with our partner MAY.

  • Healthcare:

We prioritize the well-being of our team members and have partnered with Alan for health insurance. We contribute 60% towards the premium, covering not only our employees but also their spouses and children.



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