Network Security Engineer

1 week ago


Singapore HELIOS SYSTEMS PTE LTD Full time

As a Network Security Engineer (L2), your primary responsibility will be to support and maintain the organization's network security infrastructure. You will work as part of the network security team, providing second-level support for network security devices, implementing security measures, and responding to security incidents. Your role is critical in ensuring the confidentiality, integrity, and availability of the organization's network and data.

**Key Responsibilities**:

- Provide second-level support for network security devices, including firewalls, intrusion detection/prevention systems (IDS/IPS), VPN concentrators, and other security appliances.
- Respond to security incidents and alerts, investigating and mitigating security breaches and threats. Collaborate with the incident response team to ensure timely resolution.
- Configure and maintain network security devices to align with industry best practices and security policies. Implement security measures to safeguard the organization's network infrastructure.
- Monitor firewall rules and access control lists (ACLs), reviewing and updating them to permit authorized traffic and block potential threats.
- Conduct regular vulnerability assessments and work with the network and system teams to remediate identified security vulnerabilities.
- Assist in security audits and compliance assessments, ensuring adherence to relevant security standards and regulatory requirements.
- Monitor network traffic for security events and anomalies using security information and event management (SIEM) tools.
- Maintain accurate and up-to-date documentation of network security configurations, procedures, and incident reports.
- Promote security awareness among end-users and provide guidance on best security practices.
- Work closely with cross-functional teams, including network engineers, system administrators, and IT support teams, to address security-related issues.

**Qualifications and Skills**:

- Bachelor’s degree in computer science, Information Technology, or a related field, or equivalent work experience.
- Proven experience as a Network Security Engineer or in a similar network security role.
- In-depth knowledge of network security concepts, technologies, and protocols.
- Experience with security tools and technologies, such as firewalls, IDS/IPS, VPNs, antivirus, and SIEM.
- Familiarity with security standards and frameworks (e.g., ISO 27001, NIST, CIS).
- Understanding of network and routing protocols (e.g., TCP/IP, BGP, OSPF).
- Knowledge of scripting languages (e.g., Python, Perl) is a plus.
- Strong analytical and problem-solving skills, with the ability to diagnose and resolve complex security issues.
- Excellent communication and interpersonal skills, with the ability to collaborate effectively with team members and other stakeholders.
- Ability to work under pressure, handle multiple tasks, and respond to security incidents promptly.
- Relevant certifications such as CCNP (Enterprise), HCIA, NSE4, FCP, PCNSA, CCNA Security, CompTIA Security+, or equivalent is advantageous.
- CATO experience is preferred.

**Job Types**: Full-time, Contract
Contract length: 12 months

Pay: $4,500.00 - $6,000.00 per month

Schedule:

- Monday to Friday

**Experience**:

- Network security: 3 years (preferred)

Work Location: In person



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