Network Security Engineer

Tek Systems; Singapore Other, Singapore, Singapore; On-site; SGD 60,000 - 100,000; Full time

Job summary

A leading company in the cybersecurity space seeks a hands-on Network Security Expert for daily operations, managing incidents and changes, and collaborating across teams for implementing critical security solutions. The ideal candidate will have experience with various security tools and a strong troubleshooting background, ready to make significant contributions in a dynamic environment.

Qualifications

• Experience with Palo Alto, F5 LTM, Zscaler, and Cisco ISE.
• Familiar with Okta, CyberArk, and Active Directory.
• Strong troubleshooting and documentation skills.

Responsibilities

• Manage and troubleshoot Palo Alto firewalls and F5 load balancers.
• Support Okta integrations (SSO/MFA) and CyberArk for privileged access.
• Analyze network/security designs to improve performance.

Skills

Troubleshooting

Documentation skills

Team player

Tools

Palo Alto

F5 LTM

Zscaler

Cisco ISE

Okta

CyberArk

Active Directory

Job description

• Support Okta integrations (SSO/MFA) and CyberArk for privileged access
• Analyze network/security designs to improve performance and reduce risks
• Work closely with access and infrastructure teams

We’re looking for a hands-on Network Security Expert to join our team. You'll support daily operations, manage incidents and changes, and work across teams to implement key security solutions.

Key Responsibilities:

• Manage and troubleshoot Palo Alto firewalls, F5 load balancers, Zscaler (ZIA/ZPA), and Cisco ISE
• Support Okta integrations (SSO/MFA) and CyberArk for privileged access
• Analyze network/security designs to improve performance and reduce risks
• Work closely with access and infrastructure teams
• Participate in monthly on-call rotation for critical systems

Requirements:

• Experience with Palo Alto, F5 LTM, Zscaler, and Cisco ISE
• Familiar with Okta, CyberArk, and Active Directory
• Strong troubleshooting and documentation skills
• Team player, comfortable in agile environments

Nice to Have:

• Certifications (e.g., PCNSE, CCNP Security, Zscaler Certified)
• Scripting or automation (Ansible, Terraform)
• Knowledge of IAM, PKI, and certificate-based access

We regret to inform that only shortlisted candidates will be notified .

EA Registration No:NG XUAN,R24123530

Allegis Group Singapore Pte Ltd, Company Reg No. 200909448N, EA License No. 10C4544