red alpha cybersecurity
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, etc.
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
Salary
Commensurate with experience and qualifications
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Singapore / Global
Singapore / Global
Singapore / Global
Singapore / Global
, Singapore / Global
Singapore / Global