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L3 Network Security Engineer – Network Security Device Management (m/f/d)
Permanent
Riyadh, Saudi Arabia
30.07.2025
Job Title:
L3 Network Security Engineer – Network Security Device Management
Job Summary:
The L3 Network Security Engineer is responsible for advanced support, configuration, and management of a wide array of network security technologies, including:
Key Responsibilities:
Halian Group:
With over 28 years of experience, we have come to understand that innovation is the only way to provide agile, practical solutions that transform businesses and careers.
Our resourcing and smart services help you to realize tomorrow’s potential. Discover the amazing things possible when you bring the right people and the right technologies together.
At Halian, we recognize that diversity, equity, and inclusion (DEI) are essential to building high-performing teams for our clients. We are committed to connecting organizations with top talent from all backgrounds, ensuring that every individual feels valued, respected, and empowered to contribute their unique perspectives. We encourage applications from all qualified candidates, regardless of race, gender, disability, or any other characteristic that makes them unique. By fostering diverse and inclusive workplaces, we help our clients drive innovation, enhance collaboration, and better reflect the communities they serve.
#LI-CA1
L3 Network Security Engineer – Network Security Device Management
Job Summary:
The L3 Network Security Engineer is responsible for advanced support, configuration, and management of a wide array of network security technologies, including:
- SSL Inspection (Gigamon)
- Virtual Private Network (Palo Alto, F5)
- Web Proxy (ForcePoint)
- Firewalls (Palo Alto, Cisco, Fortinet)
- DDoS Protection (Arbor)
- Advanced Threat Protection (FireEye NX)
- Intrusion Prevention Systems (Cisco, Trilex)
- Email Security (Cisco Iron Port, FireEye EX, ForcePoint ESG, Trend Micro Scan-Mail)
Key Responsibilities:
- Advanced Support & Escalation Management:
- Act as the final escalation point for complex incidents affecting all network security technologies.
- Conduct comprehensive troubleshooting and root cause analysis, implementing corrective actions and enhancements.
- Configuration, Optimization & Maintenance:
- Oversee the configuration, tuning, and maintenance of SSL Inspection, VPN, Web Proxy, Firewall, DDoS, Advanced Threat Protection, Intrusion Prevention, and Email Security solutions.
- Develop and enforce best practices and security policies for device configurations.
- Incident Response & Reporting:
- Lead incident response during critical security events and coordinate with relevant teams for rapid resolution.
- Prepare detailed post-incident reports and contribute to continuous improvement initiatives.
- Technical Leadership & Mentorship:
- Mentor L2 engineers and junior staff, providing guidance and developing best practice documentation.
- Participate in technology reviews, risk assessments, and security audits.
- Collaboration & Strategy:
- Work closely with network, IT, and security teams to design and implement robust security architectures.
- Recommend and implement technology upgrades and process improvements to strengthen the overall security posture.
- Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related field.
- Minimum of 7 years of experience in network security engineering with a focus on managing diverse security technologies.
- Demonstrated expertise in managing SSL Inspection (Gigamon), VPN (Palo Alto, F5), Web Proxy (ForcePoint), Firewalls (Palo Alto, Cisco, Fortinet), DDoS Protection (Arbor), Advanced Threat Protection (FireEye NX), Intrusion Prevention Systems (Cisco, Trilex), and Email Security (Cisco Iron Port, FireEye EX, ForcePoint ESG, Trend Micro Scan-Mail).
- Excellent analytical, problem-solving, and communication skills.
- Advanced certifications such as CISSP, CISM, or equivalent.
- Vendor-specific certifications (e.g., Palo Alto, F5, Cisco, Fortinet, Arbor, FireEye, ForcePoint) are highly desirable.
- Experience with ITIL processes, incident management, and change management.
- Full-time role with standard 9x5 hours and potential on-call responsibilities.
- Fast-paced, high-pressure environment with global collaboration.
- Occasional extended hours during critical incidents or planned maintenance windows.
Halian Group:
With over 28 years of experience, we have come to understand that innovation is the only way to provide agile, practical solutions that transform businesses and careers.
Our resourcing and smart services help you to realize tomorrow’s potential. Discover the amazing things possible when you bring the right people and the right technologies together.
At Halian, we recognize that diversity, equity, and inclusion (DEI) are essential to building high-performing teams for our clients. We are committed to connecting organizations with top talent from all backgrounds, ensuring that every individual feels valued, respected, and empowered to contribute their unique perspectives. We encourage applications from all qualified candidates, regardless of race, gender, disability, or any other characteristic that makes them unique. By fostering diverse and inclusive workplaces, we help our clients drive innovation, enhance collaboration, and better reflect the communities they serve.
#LI-CA1