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Network Security Engineer (m/f/d)

Contract

Riyadh, Saudi Arabia

15.07.2025

Job Title: Network Security Engineer
Location: Riyadh, KSA
Years of Experience: 5-9 years (Mid-Senior)
Duration: 6 months (Extendable)
Seeking a skilled Network Security Engineer with hands-on experience in Web Application Firewalls (WAFs), Next Generation Firewalls (NGFWs), and a strong understanding of networking and system security. The ideal candidate will be responsible for implementing, managing, and supporting security infrastructure, with a primary focus on protecting web applications, maintaining secure network architecture, and ensuring regulatory compliance.
Key Responsibilities:

Design, deploy, and manage WAF policies and configurations (e.g., F5, Nginx) to guard against web application threats (including OWASP Top 10, DDoS attacks, bots, etc.)
Implement and maintain network security architectures, including firewalls (such as Palo Alto), VPNs, load balancers, and intrusion prevention systems.
Deploy and manage network and security instances within cloud infrastructures.
Monitor and analyze network traffic for anomalies, security breaches, and vulnerabilities.
Collaborate with DevOps, IT, and application teams to integrate security best practices.
Conduct security risk assessments and recommend mitigation strategies.
Respond to and investigate security incidents, perform root cause analysis, and implement preventative controls.
Maintain comprehensive documentation, including network and security diagrams and standard operating procedures.
Troubleshoot and resolve infrastructure-related issues.
Ensure compliance with cybersecurity standards (NCA) and internal policies.
Stay updated on emerging threats, vulnerabilities, and advancements in cybersecurity and networking technologies.

Required Skills & Experience:

5+ years of experience in network/security engineering roles.
Hands-on experience with F5 WAF (ASM or Advanced WAF), including policy creation, tuning, and troubleshooting.
Strong understanding of network protocols (TCP/IP, HTTP/S, DNS, BGP) and security technologies (IPS/IDS, NGFWs, SIEM, DLP, etc.)
Solid experience with firewalls (Palo Alto, Fortinet, Cisco ASA) and load balancers.
Proficiency in Linux/Unix and Windows Server environments.
Scripting skills (Bash, Python, or PowerShell) for automation and log analysis.
Good understanding of SSL/TLS, certificate management, and encryption standards.
Knowledge of cloud security (AWS, Azure, GCP, OpenStack) is a plus.

Qualifications:

Bachelor’s degree in computer science, Information Technology, or a related field.
Relevant certifications (e.g., F5 Certified Technology Specialist (CTS), PaloAlto, CISSP, CEH, CCNP Security, or GIAC) are highly desirable.

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Network Security Engineer (m/f/d)

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