Lead Specialist, Radio Network Engrg

Date: 16 Jun 2026

Location: Singapore, Singapore

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Company: Singtel Group

At Singtel, we believe in the strength of a vibrant, diverse and inclusive workforce where backgrounds, perspectives and life experiences of our people help us innovate and create strong connections with our customers. We strive to ensure all our people practices are non-discriminatory and provide a fair, performance-based work culture that is diverse, inclusive and collaborative.

Join us and experience what it’s like to be with an Employer of Choice*. Together, let’s create a brighter digital future for all. *Awarded at the HR Fest Awards 2020.

Singtel Networks, the most established telecommunications infrastructure provider in Singapore is transforming to enable the digital generation of tomorrow. We are introducing new capabilities in 5G, Cloud, Analytics, Digital Commerce, Software Engineering, Cyber Security to enhance our core competencies and deliver innovative and differentiated Mobile and Fixed services (Broadband, TV and Telephony) for our customers. We are committed to celebrating inclusion and diversity and is a strong believer to upskill and nurture all individuals. Come join us today as we build Singtel’s Networks of tomorrow, and Empower Every Generation to live, work and play in new ways!

Make an Impact

RAN Network Security Portfolio Leadership

Establish and define the RAN Network Security roadmap and strategy

Govern all RAN-related security initiatives under a unified portfolio

RAN Security Monitoring & Threat Detection Program

Lead engagement with the Regulatory Department and relevant authorities

Drive tender preparation, contract negotiation, and execution

Oversee system deployment, operational governance, upgrades, and enhancements

RAN Security Governance & Regulatory Compliance

Compliance Oversight

Ensure RAN domain compliance with

Regulatory Department security requirements

National telecom security directives

Applicable 3GPP security standards

Internal corporate security governance policies

Interpret regulatory requirements and translate them into actionable technical implementation plans

Security Representation

Act as RAN Security Representative in

Regulatory reviews

Enterprise security governance forums

Internal and external audit engagements

Provide domain-level security risk assessments and recommendations

Security Implementation Oversight

Drive implementation of mandated security controls including

Node hardening

Access control and privileged account governance

Authentication and authorization mechanisms

Review and revise RAN security configurations

Establish secure configuration baselines

Ensure Vendors adhere to defined security standards

Risk & Deviation Management

Identify security gaps or non-compliances

Conduct structured risk assessments

Server & Platform Security Compliance (Department-Owned Systems)

Corporate IT security baseline standards

Regulatory cybersecurity requirements

Oversee implementation of

OS hardening and patch management

Vulnerability management and remediation tracking

Coordinate with IT Infrastructure and Cybersecurity teams for vulnerability resolution and audit readiness

Maintain asset inventory and compliance documentation

Audit & Assurance

Lead RAN domain support for security audits

Maintain risk registers and compliance dashboards

Skills for Success

Degree in Electrical Engineering, Telecommunications, Cybersecurity, or related discipline

8–12 years of experience in mobile network engineering (RAN preferred)

Experience in

LTE / 5G architecture and signaling

Network security hardening or compliance initiatives

Regulatory-facing projects

Vendor management and governance

Strong understanding of LTE / 5G RAN architecture

Knowledge of signaling security and authentication procedures

Familiarity with IPSec, TLS, secure transport mechanisms

Understanding of server hardening principles and vulnerability management

Knowledge of telecom security standards and compliance frameworks