Technical Lead (Network & Security - Firewall)
5000 - 8000 SGDTemporary
RED ALPHA CYBERSECURITY PTE. LTD.
Role Summary
The Technical Lead (Network & Security – Firewall) is responsible for leading the engineering, implementation, operation, and support of firewall and network security solutions. The role serves as the primary technical escalation point and ensures successful deployment and operational excellence of network security infrastructure.
Key Responsibilities
Technical Delivery
- Lead firewall implementation, migration, and upgrade activities.
- Configure and manage:
- Palo Alto Firewalls
- Fortinet Firewalls
- Check Point Firewalls
- Cisco Secure Firewall
- Implement firewall policies, NAT, routing, and VPN configurations.
- Conduct system integration and testing.
Operational Support
- Provide L3/L4 technical support.
- Troubleshoot complex network and security incidents.
- Lead root cause analysis and problem management activities.
- Implement performance tuning and security hardening.
Team Leadership
- Provide technical guidance and mentoring to engineers.
- Review technical deliverables and implementation plans.
- Ensure adherence to operational procedures and standards.
- Coordinate change activities and maintenance windows.
Security Management
- Conduct firewall policy reviews and optimization.
- Support vulnerability remediation activities.
- Ensure compliance with security standards and governance requirements.
- Support audits and security assessments.
Documentation
- Prepare implementation plans and technical procedures.
- Maintain HLD, LLD, SOPs, and operational runbooks.
- Develop knowledge base articles and operational standards.
Aptitude
- Strong troubleshooting mindset.
- Logical and structured thinking.
- Detail-oriented and quality-focused.
- Calm under pressure during incidents.
- Continuous learning attitude.
- Strong ownership and accountability.
Competencies
Technical Competencies
- Firewall Administration
- Routing and Switching
- LAN/WAN Technologies
- VPN Technologies
- Network Security Operations
- Threat Analysis
- Security Incident Response
- Performance Monitoring
- System Integration
- Change Management
Leadership Competencies
- Team Leadership
- Coaching and Mentoring
- Incident Leadership
- Customer Management
- Communication Skills
- Collaboration and Coordination
Abilities
- Lead firewall deployment and migration activities.
- Troubleshoot and resolve critical incidents.
- Analyze packet captures and traffic flows.
- Perform security and operational assessments.
- Work independently with minimal supervision.
- Manage technical escalations and stakeholder communications.
Experience
- 7–10 years of Network & Security experience.
- 3–5 years in a technical lead role.
- Hands-on experience with enterprise firewall platforms.
- Experience working in managed services or large enterprise environments.
Good-to-Have Certifications
Firewall & Security
- Palo Alto PCNSE
- Palo Alto PCCSE
- Fortinet NSE 5/7 or FCSS
- Check Point CCSA/CCSE
- Cisco Secure Firewall
- CISSP
- CompTIA Security+
Networking
- CCNP Enterprise
- CCNA
- Juniper JNCIS/JNCIP
- Arista ACE
Cloud Security
- AWS Security Specialty
- Microsoft Azure Security Engineer (AZ-500)
- Google Cloud Professional Cloud Security Engineer
Service Management
- ITIL Foundation
- ITIL Managing Professional
Vacancy posted 20 days ago
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