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Security Researcher – Telecom & Network Security

5 years

0 Lacs

pune maharashtra india

Posted:1 day ago| Platform: Linkedin logo

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Skills Required

security network ai cybersecurity analytics software data research assessment testing remediation enumeration exploitation engagement routing mpls bgp authentication management dhcp snmp service sim mapping support tcp ip ospf encryption nmap nessus wireshark metasploit scapy scripting python nist reporting communication collaboration documentation

Work Mode

Remote

Job Type

Full Time

Job Description

Sec1 is an AI-driven cybersecurity company specialising in application and cloud security, vulnerability analytics and predictive threat intelligence. We partner with global enterprises to secure their software supply chains, network infrastructure and telecom ecosystems through data-driven vulnerability research and intelligent automation.


Role Overview

Security Researcher


Key Responsibilities:

  • Conduct

    Vulnerability Assessments and Penetration Tests

    across network infrastructure and telecom ecosystems.
  • Perform

    active and passive reconnaissance

    , network enumeration and exploitation under defined Rules of Engagement (RoE).
  • Evaluate

    routing and isolation mechanisms (VRF, MPLS, BGP, OSPF)

    and validate data-plane and control-plane separation.
  • Identify misconfigurations, outdated firmware, weak authentication and insecure management interfaces.
  • Assess

    GTP, DNS, DHCP, SNMP, TR-069

    and other telecom service protocols for exposure and misuse.
  • Execute

    SIM-based network testing

    to validate subscriber isolation and control-plane integrity.
  • Develop reproducible

    Proofs of Concept (PoC)

    and document findings with CVE/CWE mapping and CVSS scoring.
  • Collaborate with AI Threat Intelligence teams to

    correlate findings with predictive vulnerability models.

  • Participate in

    remediation workshops

    , assist in mitigation validation, and support re-testing.
  • Continuously research

    new attack vectors, emerging threats and exploit trends

    across telecom and network domains.


Required Skills and Qualifications

  • 3–5 years

    of hands-on experience in

    network or telecom security testing.

  • Strong knowledge of

    TCP/IP, GTP, MPLS, BGP, OSPF, VLAN and VPN

    architectures.
  • Experience with

    Wi-Fi security testing

    , including captive portals, rogue APIs and encryption validation.
  • Proficiency with

    security tools

    like Nmap, Nessus, Burp Suite, Wireshark, Metasploit, Scapy, Hydra and custom scripting (Python/Bash).
  • Familiarity with

    CVE analysis

    ,

    CIS/NIST benchmarks

    and

    ISO 27001 controls.

  • Good understanding of

    IPv6 security

    , DNS/DHCP behavior and control-plane protections.
  • Excellent

    analytical and reporting skills

    — able to translate technical findings into business-impact language.
  • Hands-on experience preparing

    VA/PT reports

    and dashboards for enterprise or telecom clients.

  • Certifications

    (preferred but not mandatory): OSCP, CEH, GPEN, GWAPT, CCNA Security, or equivalent.


Soft Skills

  • Strong written and verbal communication skills.
  • Self-driven, with the ability to work in

    field-testing environments

    and remote collaboration setups.
  • Strong problem-solving and research mindset.
  • Team player with accountability and discipline in documentation and testing protocols.

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