Firewall Support Engineer

Thales Group; Singapore; On-site; SGD 60,000 - 100,000; Full time

Job summary

Thales Group in Singapore seeks a cybersecurity professional to join the security team. You will investigate incidents, monitor alerts, and coordinate vulnerability assessments for mission-critical systems, ensuring compliance with policies and SLAs.

The role requires 3+ years in cybersecurity, solid knowledge of networks, Linux/Windows, cloud concepts, and ITSM practices. On-call duties and on-site work may apply at Singapore sites.

Qualifications

• Bachelor’s degree or equivalent in information security or CS.
• 3+ years in cybersecurity with focus on L2 support.
• Strong TCP/IP, OS (Linux/Windows) and cloud security knowledge.
• Familiarity with ITSM processes and best practices.

Responsibilities

• Incident Response: investigate and respond to security incidents.
• Monitoring: analyze alerts from SIEM and dashboards.
• Vulnerability: conduct assessments and coordinate tests.
• Security Infra: manage firewalls, IDS/IPS, EDR/AV and tokenization.
• Policy & Docs: write security policies and maintain docs.
• Threat Hunting: proactively search for hidden threats.
• Collaboration: work with IT, development and L3 teams.
• Reporting: document incidents and system status.
• On-Call: participate in 24/7 rotation when needed.

Skills

Cybersecurity experience

L2 security support

ITSM familiarity

Problem solving

Education

Bachelor's degree in Information Security or related field

Tools

QRADAR

Palo Alto

Fortigate

Check Point

Tenable

Job description

Location: SINGAPORE, Singapore

Thales is a global technology leader trusted by governments, institutions, and enterprises to tackle their most demanding challenges. From quantum applications and artificial intelligence to cybersecurity and 6G innovation, our solutions empower critical decisions rooted in human intelligence. Operating at the forefront of aerospace and space, cybersecurity and digital identity, we're driven by a mission to build a future we can all trust. In Singapore, Thales has been a trusted partner since 1973, originally focused on aerospace activities in the Asia-Pacific region. With 2,000 employees across three local sites, we deliver cutting-edge solutions across aerospace (including air traffic management), defence and security, and digital identity and cybersecurity sectors. Together, we're shaping the future by enabling customers to make pivotal decisions that safeguard communities and power progress.

Responsibilities:

• Incident Response: Investigate and respond to security incidents and breaches escalated from L1 support, performing root cause analysis to prevent recurrence.
• Monitoring & Analysis: Monitor and analyze security alerts and events from various sources, including SIEM (Security Information and Event Management) platforms (e.g., QRADAR) and security dashboards.
• Vulnerability Management: Conduct regular vulnerability assessments and coordinate penetration testing activities to identify weaknesses in systems and networks.
• Security Infrastructure Management: Implement, configure, troubleshoot, and maintain security technologies such as firewalls (e.g., Palo Alto, Fortigate, Check Point), intrusion detection/prevention systems (IDS/IPS), EDR/AV, CipherTrust (Tokenization Server), HSM, 2FA, PAM, IBM Guradium and Rapid 7.
• Policy & Documentation: Develop, maintain, and enforce security policies, procedures, and documentation, ensuring compliance with industry standards and regulations.
• Threat Hunting: Proactively search for hidden threats, malware, and vulnerabilities in the system to enhance detection capabilities.
• Collaboration & Mentorship: Collaborate with IT, development, and L3 teams to address security issues and implement best practices. May also assist in training and mentoring junior (L1) security staff.
• Reporting: Prepare detailed reports and documentation of security incidents, analyses, and system status for management and compliance purposes.
• On-Call Support: May require participation in a 24/7 on-call rotation to address critical incidents and ensure minimal downtime and be onsite if necessary.

Requirements:

• Education: Bachelor's degree in Information Security, Computer Science, or a related field, or equivalent work experience.
• Experience: 3+ years of proven experience in cybersecurity or information security roles, with a focus on L2 support or similar responsibilities. Minimally 1-2 years of experience in supporting mission critical systems with a stringent SLA of 99.9%.
• Technical Proficiency: Strong understanding of security protocols, TCP/IP, network security, operating systems (Linux, Windows), and cloud security concepts. Well-versed in IT Service Management (ITSM) standards, processes, guidelines and best practices is an advantage.
• Tool Experience: Hands-on experience with security tools such as SIEM, firewalls, vulnerability scanners (e.g., Tenable), and incident response platforms.
• Certifications (Preferred): Relevant certifications such as CompTIA Security+, Certified Ethical Hacker (CEH), or CISSP are highly valued.
• Soft Skills: Strong analytical thinking, problem-solving skills, attention to detail, and excellent communication and collaboration skills.

At Thales, we're committed to fostering a workplace where respect, trust, collaboration, and passion drive everything we do. Here, you'll feel empowered to bring your best self, thrive in a supportive culture, and love the work you do.

Join us, and be part of a team reimagining technology to create solutions that truly make a difference - for a safer, greener, and more inclusive world.

Interested in finding out more about Thales and why you should join us? Say HI* to new career opportunities.