Advanced Network Security Specialist

2 days ago

Singapore beBeeCybersecurity Full time $120,000 - $150,000
Protect Our Networks

We are seeking a highly skilled Cybersecurity Engineer to join our team. This is an exciting opportunity for a professional with deep expertise in threat detection, threat analysis, and incident response.

The role involves identifying and mitigating security threats across mobile and broadband network infrastructures by analyzing telemetry, logs, and traffic patterns from various network elements, security appliances, and data sources.

The successful candidate will play a key role in defending core infrastructure, detecting advanced persistent threats, and driving rapid, coordinated responses to security incidents.

Responsibilities:
  • Develop and maintain security detection rules and use cases tailored to mobile and broadband network elements.
  • Monitor security telemetry from firewalls, routers, and other network devices.
  • Correlate data across sources to identify abnormal behaviors, lateral movement, command-and-control activity, and insider threats.
  • Perform in-depth analysis of potential threats using threat intelligence, behavioral analytics, and attack frameworks.
  • Enrich alerts with contextual data to assess relevance and risk to the organization.
  • Track and analyze emerging threats specific to telecommunications infrastructure.
  • Lead the triage, containment, and eradication of security incidents across the mobile and broadband environments.
Requirements:
  • Bachelor's or Master's degree in Computer Science, Cybersecurity, or related technical field.
  • 7+ years of experience in cybersecurity, with 3+ years in threat detection/response within telecommunications or ISP environments.
  • Strong knowledge of mobile networks and broadband architectures.
  • Proficient in analyzing logs from firewalls, routers, SIEMs, NetFlow, and PCAP.
  • Deep understanding of cyberattack lifecycle, malware analysis, and adversary techniques.
  • Familiarity with tools such as Splunk, ELK, QRadar, Suricata, Bro/Zeek, Wireshark.
  • Hands-on experience with MITRE ATT&CK, STIX/TAXII, and threat intelligence platforms.
  • Strong scripting and automation skills.
Preferred Skills:
  • Knowledge of cloud-native security in AWS, GCP, or Azure.
  • Experience with SD-WAN, vRAN, and containerized network functions (CNFs) security.

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