Senior Cybersecurity Engineer

Company Introduction
HECTADATA SDN BHD is a software development company, and we are currently assisting one of our clients in hiring a
Senior Cybersecurity Engineer
with a minimum of
7 years of experience . This exciting job opportunity is based in
Singapore .
We are looking for a highly skilled professional with deep expertise in
threat detection, threat analysis, and incident response
to join our client's cybersecurity team. The role involves identifying and mitigating security threats across
mobile (4G/5G)
and
broadband (fiber/cable)
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.
Key Responsibilities
Threat Detection & Monitoring
Develop and maintain security detection rules and use cases tailored to mobile and broadband network elements.
Monitor security telemetry from firewalls, routers, EPC, gNB/eNB, BNG, DHCP, DNS, DPI, and OSS/BSS systems.
Correlate data across sources to identify abnormal behaviors, lateral movement, command-and-control activity, and insider threats.
Threat Intelligence & Analysis.
Perform in-depth analysis of potential threats using threat intelligence, behavioral analytics, and attack frameworks (e.g., MITRE ATT&CK).
Enrich alerts with contextual data to assess relevance and risk to the organization.
Track and analyze emerging threats specific to telecommunications infrastructure (e.g., signaling attacks, SIM hijacking, DDoS on RAN/Core).
Incident Response & Management
Lead the triage, containment, and eradication of security incidents across the mobile and broadband environments.
Work closely with NOC, SOC, and network engineering teams to isolate affected systems, block malicious traffic, and remediate vulnerabilities.
Conduct post-incident reviews, root cause analysis, and develop lessons-learned documentation.
Security Automation & Tooling
Enhance and automate detection and response capabilities using SOAR, SIEM, and custom scripts/tools.
Collaborate with DevSecOps and automation teams to implement proactive detection logic in CI/CD pipelines and monitoring systems.
Compliance & Reporting
Ensure incidents and threats are logged and reported in accordance with regulatory requirements (e.g., CSA, IMDA, GDPR).
Develop dashboards, alerts, and reports for executives and security leadership.
Required Qualifications
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 (4G LTE, 5G SA/NSA) and broadband architectures (GPON, DOCSIS, BNG, DPI).
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 (Python, Bash, PowerShell, etc.).
Industry certifications (e.g., GCIA, GCIH, CISSP, OSCP, CISM) are a strong plus.
Preferred Skills
Knowledge of cloud-native security in AWS, GCP, or Azure.
Experience with SD-WAN, vRAN, and containerized network functions (CNFs) security.
Familiarity with regulatory standards like NIST, ISO 27001, ENISA, CSA SG Cyber Trust Mark.
Apply now by sending your resume to or contact Mr. Hariharan at .
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