Network Security Engineer
- Role
- Security
- Employment
- Contract
Open to SG only. Set where you work from to check your eligibility.
No BS summary
Experienced hands-on network security engineer to design and run enterprise security infrastructure across on-prem, cloud and hybrid environments. Must know Fortinet, SonicWall, Palo Alto firewalls, SIEM, SASE/SD-WAN, Zero Trust architecture and cloud security (AWS/Azure). Role based in Singapore.
Core skills
Required skills
Optional skills
Job Overview
We are looking for an experienced Network Security Engineer to design, implement, monitor, and support enterprise security infrastructure across on-premises, cloud, and hybrid environments. The ideal candidate should possess strong expertise in next-generation firewalls, SIEM platforms, cloud security, Zero Trust architecture, and modern cybersecurity operations.
The role requires hands-on experience with technologies such as Fortinet, SonicWall, Palo Alto Networks, SIEM solutions, SASE, SD-WAN, endpoint security, and threat detection platforms.
Key Responsibilities
- Design, deploy, and manage enterprise network security solutions
- Configure and administer Fortinet, SonicWall, and Palo Alto firewalls
- Implement and maintain VPNs, IPS/IDS, web filtering, NAT, ACLs, and segmentation policies
- Monitor security events using SIEM, XDR, and SOC monitoring platforms
- Investigate security incidents, perform threat analysis, and support incident response activities
- Manage firewall policies, security rules, and compliance controls
- Implement Zero Trust Network Access (ZTNA) and identity-based security controls
- Support cloud security initiatives across AWS, Azure, and hybrid infrastructure
- Configure and support SD-WAN and Secure Access Service Edge (SASE) solutions
- Conduct vulnerability assessments and remediation activities
- Collaborate with infrastructure, cloud, and application teams to secure enterprise environments
- Maintain security documentation, diagrams, SOPs, and audit records
- Participate in on-call rotations and critical incident handling
Required Skills & Technologies
Firewall & Network Security
- Fortinet FortiGate
- SonicWall
- Palo Alto Networks
- Check Point (preferred)
- Cisco Firepower / ASA
- VPN Technologies (IPSec / SSL VPN)
- IDS/IPS
- Web Application Firewall (WAF)
- NAC (Network Access Control)
Modern Security Technologies
- Zero Trust Architecture (ZTA)
- ZTNA (Zero Trust Network Access)
- SASE (Secure Access Service Edge)
- SD-WAN Security
- SSE (Security Service Edge)
- CASB (Cloud Access Security Broker)
- Micro-segmentation
- Secure Remote Access Solutions
SIEM, SOC & Threat Detection
Experience with one or more:
- Splunk
- QRadar
- Microsoft Sentinel
- LogRhythm
- ArcSight
- Elastic SIEM
Knowledge of:
- SOC operations
- Threat hunting
- Log correlation
- MITRE ATT&CK framework
- Incident response
- Threat intelligence integration
Cloud & Infrastructure Security
- AWS Security
- Microsoft Azure Security
- Hybrid cloud networking
- Cloud firewall management
- Security Groups / NSGs
- Identity & Access Management (IAM)
Endpoint & Advanced Security
- EDR/XDR platforms
- CrowdStrike
- Microsoft Defender
- SentinelOne
- Endpoint hardening
- DLP (Data Loss Prevention)
- Email security solutions
Networking Fundamentals
Strong understanding of:
- TCP/IP
- Routing & Switching
- VLANs
- BGP / OSPF
- DNS / DHCP
- Load Balancing
- Network troubleshooting
Automation & Scripting (Preferred)
- Python
- PowerShell
- Bash scripting
- Security automation
- SOAR platforms
Preferred Certifications
- Fortinet NSE / FCP
- Palo Alto PCNSA / PCNSE
- CCNP Security
- CISSP
- CEH
- CompTIA Security+
- Microsoft SC Certifications
- AWS Security Specialty
Education
Bachelor’s degree in Computer Science, Cybersecurity, Information Technology, or related field preferred.
Soft Skills
- Strong analytical and troubleshooting skills
- Ability to work in high-pressure environments
- Excellent communication and stakeholder management
- Strong documentation and reporting abilities
- Proactive mindset with focus on continuous improvement
What you'll do
- Design, deploy, and manage enterprise network security solutions in on-premises, cloud, and hybrid environments
- Configure and administer Fortinet, SonicWall, and Palo Alto firewalls
- Implement and maintain VPNs, IPS/IDS, web filtering, NAT, ACLs, and segmentation policies
- Monitor security events using SIEM, XDR, and SOC platforms
- Investigate security incidents, perform threat analysis, and support incident response activities
- Manage firewall policies, security rules, and compliance controls
- Implement Zero Trust Network Access (ZTNA) and identity-based security controls
- Support cloud security initiatives across AWS, Azure, and hybrid infrastructure
- Configure and support SD-WAN and Secure Access Service Edge (SASE) solutions
- Conduct vulnerability assessments and remediation activities
- Collaborate with infrastructure, cloud, and application teams to secure enterprise environments
- Maintain security documentation, diagrams, SOPs, and audit records
- Participate in on-call rotations and critical incident handling
What they require
- Experienced hands-on network security engineer for designing, implementing, monitoring and supporting enterprise security infrastructure
- Strong expertise in next-generation firewalls, SIEM platforms, cloud security, Zero Trust architecture, and modern cybersecurity operations
- Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or related field is preferred
- Preferred certifications: Fortinet NSE / FCP, Palo Alto PCNSA / PCNSc Security, CCSP Security, CISSP, CEH, CompTIA Security+, Microsoft SC Certifications, AWS Security Specialty
- Strong analytical and troubleshooting skills
- Ability to work in high-pressure environments
- Excellent communication and stakeholder management
- Strong documentation and reporting abilities
- Proactive mindset with focus on continuous improvement
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