Network Security Engineer

ADECCO PERSONNEL PTE LTD; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A staffing services company in Singapore is seeking a Network & Security Engineer (Level 2) to support mission-critical environments. The role focuses on cybersecurity operations, incident management, and compliance within regulated sectors. Ideal candidates should have a diploma or degree in Cybersecurity or related fields and 2–5 years of Level 2 experience. Strong skills in handling incidents and managing firewalls are crucial for this position. Interested candidates can apply directly via email with their updated resumes.

Qualifications

• 2–5 years of Level 2 support experience in 24x7 production environments.
• Strong experience handling P1/P2 incidents, RCA, PIR.
• Hands-on experience with Firewalls (Check Point / Palo Alto), SIEM, Nessus, Aruba, HSM.

Responsibilities

• Provide Level 2 support for P1/P2 incidents, ensuring resolution within SLA.
• Perform RCA, PIR, and recommend permanent fixes; elevate to Level 3 when required.
• Manage Firewall operations (policies, IPS/threats, logs, firmware, patching).
• Conduct VAPT using Nessus, remediation planning, validation, and reporting.
• Ensure compliance with IM8 ICT Security Standards and maintain audit-ready documentation.

Skills

Level 2 support

Cybersecurity operations

Incident management

Vulnerability assessment

Firewall operations

Education

Diploma / Bachelor’s degree in Cybersecurity, IT, Computer Science, Engineering

Tools

Nessus

Firewalls (Check Point / Palo Alto)

SIEM

Aruba

HSM

Job description

Job Summary

We are looking for a Network & Security Engineer (Level 2) to support mission-critical 24x7 environments. The role focuses on cybersecurity operations, incident management, vulnerability assessment, firewall/SIEM operations, and IM8 compliance, preferably within a regulated or public sector environment.

Key Responsibilities

• Provide Level 2 support for P1/P2 incidents, ensuring resolution within SLA

• Perform RCA, PIR, and recommend permanent fixes; elevate to Level 3 when required

• Manage Firewall operations (policies, IPS/threats, logs, firmware, patching)

• Conduct VAPT using Nessus, remediation planning, validation, and reporting

• Ensure compliance with IM8 ICT Security Standards and maintain audit‑ready documentation

• Monitor and manage SIEM, dashboards, alerts, and log analysis

• Support HSM operations, key management, and cryptographic governance

• Manage Aruba ClearPass and Samsung Knox MDM configurations and security updates

• Execute patch, change, configuration, and release management activities

• Perform preventive maintenance, testing, and post‑change validation

• Maintain operational documentation, SOPs, and knowledge base articles

Job Requirements

• Diploma / Bachelor’s degree in Cybersecurity, IT, Computer Science, Engineering, or related field

• 2–5 years of Level 2 support experience in 24x7 production environments

• Strong experience handling P1/P2 incidents, RCA, PIR

• Hands‑on experience with Firewalls (Check Point / Palo Alto), SIEM, Nessus, Aruba, HSM

• Strong understanding of IM8 compliance, audit reporting, and configuration traceability

• Preferred certifications: CCNA, Check Point / Palo Alto, Aruba, LogRhythm Analyst
  Next Step:

  If interested, you can click on “Apply here” or write an e‑mail to [e-mail] with your updated resume.

  NOTE: - Only shortlisted candidates will be contacted back.

  Dimple Jain
  EA LIcence No.91C2918
  Personnel RegistrationNo. R22107270