Security Operations Engineer — Incident Response & Optimization

StarHub; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

StarHub is seeking a proactive Cybersecurity Operations Specialist in Singapore to support, maintain, and optimize the organization's security infrastructure. You will help ensure availability, performance, and effectiveness of security technologies while supporting incident response and continuous improvement initiatives.

You will provide L1/L2 support for firewalls, WAF, IAM, endpoint protection, VPN, and DLP; monitor health and perform upgrades; assist in incident investigations and

Qualifications

• 1–3 years of experience in cybersecurity operations, security engineering, or related areas.
• Knowledge of network security, AWS/cloud security, incident response, and system hardening.
• Experience in hybrid cloud and complex enterprise environments.
• Familiarity with regulated industries such as telecommunications, finance, or technology is advantageous.
• Strong analytical, troubleshooting, and problem-solving skills.
• Ability to collaborate effectively with technical and business stakeholders.

Responsibilities

• Provide L1/L2 support for cybersecurity technologies including firewalls, WAF, IAM, endpoint protection, VPN, email/web security, and DLP.
• Diagnose and resolve system, configuration, performance, and integration issues.
• Collaborate with IT and security teams to address operational challenges.
• Monitor system health, availability, and performance.
• Perform upgrades, patching, tuning, and optimization activities.
• Troubleshoot connectivity and interoperability issues across security platforms.
• Support investigation, containment, eradication, and recovery of security incidents.
• Analyze alerts and system events to identify root causes.
• Maintain incident records and contribute to post-incident reviews.
• Evaluate emerging security technologies and recommend improvements.
• Support implementation and testing of new security controls and integrations.
• Ensure solutions comply with security policies, standards, and regulatory requirements.
• Configure, administer, and optimize security tools and platforms.
• Manage operational issues, service requests, and change activities.
• Oversee lifecycle management of cybersecurity solutions.
• Coordinate and monitor third-party vendors supporting security services.
• Work closely with Security Operations, Infrastructure, Network, SOC, GRC, and Application teams.
• Engage business stakeholders to support operational, compliance, and business continuity objectives.

Skills

Cybersecurity operations

Incident response

Security monitoring

Troubleshooting

Stakeholder collaboration

Education

Bachelor's degree in Computer Science, Information Security, Information Technology, or related discipline

Certifications in security (Cisco, Fortinet, Palo Alto, Microsoft Security, AWS)

Tools

Firewalls

WAF

IAM

Endpoint protection

VPN

DLP

Security monitoring tools

Job description

StarHub is seeking a proactive Cybersecurity Operations Specialist in Singapore to support, maintain, and optimize the organization's security infrastructure. You will help ensure availability, performance, and effectiveness of security technologies while supporting incident response and continuous improvement initiatives.

You will provide L1/L2 support for firewalls, WAF, IAM, endpoint protection, VPN, and DLP; monitor health and perform upgrades; assist in incident investigations and