red alpha cybersecurity pte. ltd.
Singapore / Global
Singapore / Global
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
Singapore / Global
Singapore / Global
Singapore / Global
Singapore / Global
Singapore / Global
Singapore / Global