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Network Security Engineer - 12 months contract at PERSOL TECH SERVICES PTE. LTD.

Position Network Security Engineer - 12 months contract
Posted 08 Aug 2026
Expired 07 Sep 2026
Company PERSOL TECH SERVICES PTE. LTD.
Location Singapore | SG
Job Type Full Time

Job Description:

Latest job information from PERSOL TECH SERVICES PTE. LTD. for the position of Network Security Engineer - 12 months contract. If the Network Security Engineer - 12 months contract vacancy in Singapore matches your qualifications, please submit your latest application or CV directly through the updated Jobkos job portal.

Please note that applying for a job may not always be easy, as new candidates must meet certain qualifications and requirements set by the company. We hope the career opportunity at PERSOL TECH SERVICES PTE. LTD. for the position of Network Security Engineer - 12 months contract below matches your qualifications.

Duration: 1 year Working Hours: 8.30am - 6pm, Monday - Fridays. Standby and shift work may be required Location: Central + Roam Key Responsibilities

  • Conduct vulnerability assessments of network infrastructure, operating systems and security devices using industry-standard vulnerability management tools (e.g. Tenable Nessus, Qualys, Rapid7 InsightVM).
  • Analyse vulnerability scan results, assess risk using CVSS and recommend remediation measures based on organisational security requirements.
  • Perform validation and re-testing of remediated vulnerabilities to ensure security issues have been effectively resolved.
  • Administer and maintain Palo Alto Next-Generation Firewalls (NGFW) and Panorama, including centralised policy management, device groups, templates, software updates and configuration management.
  • Configure, review and optimise firewall security policies, NAT rules, App-ID, User-ID, Security Profiles and URL Filtering to strengthen the organisation's security posture.
  • Review firewall logs, threat logs and security alerts to identify vulnerabilities, suspicious activities and potential security incidents.
  • Perform firewall security hardening and configuration reviews in accordance with organisational security standards and best practices.
  • Research emerging vulnerabilities (CVEs), security advisories and threat intelligence to assess organisational impact and recommend mitigation strategies.
  • Collaborate with infrastructure, application and system teams to implement remediation plans and validate security fixes.
  • Support security compliance initiatives, audits and vulnerability management reporting.
  • Maintain security documentation, vulnerability assessment reports and remediation tracking.
  • Ensure all security activities comply with ITSM/ITIL processes, including Change, Incident and Problem Management.
Requirements
  • Bachelor's degree in Computer Science, Information Technology, Cybersecurity, Information Security or a related discipline.
  • Minimum 5 years of hands-on experience in cybersecurity, vulnerability management, network security or information security, with demonstrated experience in vulnerability assessment and remediation.
  • Hands-on experience administering Palo Alto NGFW and Panorama in an enterprise environment.
  • Experience with Palo Alto technologies including Panorama, App-ID, User-ID, GlobalProtect, Security Profiles, WildFire, Threat Prevention, URL Filtering and NAT.
  • Experience using vulnerability management tools such as Tenable Nessus, Qualys, Rapid7 InsightVM or equivalent.
  • Strong knowledge of TCP/IP, DNS, DHCP, routing, VLANs and network security principles.
  • Knowledge of CVE, CVSS, vulnerability remediation methodologies and security hardening best practices.
  • Familiarity with security frameworks and standards such as NIST Cybersecurity Framework, CIS Benchmarks and ISO/IEC 27001.
  • Strong analytical, troubleshooting, communication and stakeholder management skills.
  • Relevant certifications such as PCNSA, PCNSE, PCCET, CompTIA Security+, Tenable Certified Professional (TCP), CEH or equivalent are highly preferred.

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Job Info:

  • Company: PERSOL TECH SERVICES PTE. LTD.
  • Position: Network Security Engineer - 12 months contract
  • Work Location: Singapore
  • Country: SG

How to Submit an Application:

After reading and understanding the criteria and minimum qualification requirements explained in the job information Network Security Engineer - 12 months contract at the office Singapore above, immediately complete the job application files such as a job application letter, CV, photocopy of diploma, transcript, and other supplements as explained above. Submit via the Next Page link below.

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