Technical Lead (Network & Security – Firewall)

RED ALPHA CYBERSECURITY PTE. LTD.; Singapore; Vor Ort; SGD 120.000 - 180.000; Vollzeit

Zusammenfassung

RED ALPHA CYBERSECURITY PTE. LTD. seeks a Technical Lead (Network & Security – Firewall) to guide firewall projects and security operations. The role focuses on deployment, upgrades, and day-to-day operational excellence, including incident response and performance optimization.

You will mentor engineers, review designs, and ensure adherence to security governance. The position requires senior-level expertise across major firewall platforms in a enterprise-scale setting.

Qualifikationen

• 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.

Aufgaben

• Lead firewall implementation, migration, and upgrade activities.
• Configure and manage Palo Alto, Fortinet, Check Point, and Cisco Secure Firewall; implement policies, NAT, routing, and VPNs.
• Provide L3/L4 technical support and troubleshoot complex incidents.
• Lead root cause analysis and problem management activities.
• Prepare implementation plans and technical runbooks; review deliverables.

Kenntnisse

Troubleshooting mindset

Team leadership

Incident leadership

Communication skills

Ownership & accountability

Tools

Palo Alto Firewalls

Fortinet Firewalls

Check Point Firewalls

Cisco Secure Firewall

Jobbeschreibung

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