Security Engineer L3

2 weeks ago

Riyadh, Ar Riyāḑ, Saudi Arabia NTT Full time

NTT is a leading global IT solutions and services organisation that brings together people, data and things to create a better and more sustainable future.

In today's 'iNTTerconnected' world, connections matter more now than ever.

By bringing together talented people, world-class technology partners and emerging innovators, we help our clients solve some of the world's most significant technological, business and societal challenges.


With people at the heart of our success, NTT is committed to attracting and growing the best talent and providing an environment where everyone feels they can belong and their contribution matters.


Want to be a part of our team?
Dimension Data is a proud member of the NTT Group, a global IT powerhouse headquartered in Japan. As part of NTT, we deliver a wide range of IT services and solutions to clients around the world.

Although the Dimension Data brand was retired in some parts of the world in 2019, it remains well recognized in the Middle East and Africa.

Join us and become part of the NTT family as we continue to provide innovative solutions that help our clients achieve their business objectives.


Working at NTT

Day-to-Day Responsibilities:

Configuration and Deployment of NGFW's:

Set up, configure, and deploy Next-Gen Firewalls (NGFWs) like FTD, Palo Alto, and Fortigate based on network requirements. Implement security policies, access control lists (ACLs), and VPN configurations.

Troubleshooting and Issue Resolution:

Monitor firewall performance, investigate alerts, and address any anomalies or security incidents. Troubleshoot connectivity issues, rule misconfigurations, and security breaches.

Security Policy Management:

Regularly review and update security policies to align with evolving threats and compliance requirements. Collaborate with stakeholders to ensure policies meet business needs without compromising security.

Performance Optimization:

Optimize firewall performance by fine-tuning configurations and rules to enhance network security and efficiency.

Vendor Interaction and Evaluation:

Engage with vendors for product updates, patches, and new feature evaluations. Research and recommend improvements or new technologies to enhance network security posture.

Deployment of Endpoint Solutions:

Deployment and Management:

Deploy and manage Endpoint Protection solutions such as Symantec and TrendMicro across the organization's devices. Ensure antivirus, anti-malware, and endpoint security software are up to date and functioning correctly.

Threat Detection and Response:

Monitor endpoint security tools for threat detection, analyzing and responding to security alerts promptly. Investigate and contain security incidents on endpoints, performing root cause analysis.

Patch Management:

Coordinate and implement patches, updates, and security fixes for endpoint protection software. Maintain endpoint compliance with security standards and best practices.

Documentation and Reporting:

Maintain detailed documentation of endpoint security configurations, incidents, and resolutions. Generate regular reports on endpoint security status, threats detected, and resolved incidents for stakeholders.

User Education and Support:

Provide guidance and support to end-users on best security practices for endpoints. Conduct training sessions or create educational materials to increase awareness of endpoint security risks.

Collaboration and Integration:

Collaborate with network and system teams for seamless integration of endpoint security solutions with overall network architecture.

Occasional Responsibilities for F5 LTM/ASM and Proxy Solutions:

F5 LTM/ASM:

Support and Consultation:

Provide guidance and support to teams managing F5 LTM/ASM configurations or troubleshooting issues. Offer expertise during critical deployments or major updates involving F5 solutions.

Ad Hoc Troubleshooting:

Assist in diagnosing and resolving complex issues related to load balancing, SSL termination, or ASM policies.

Knowledge Sharing and Training:

Conduct training sessions or workshops for team members to enhance their understanding of F5 solutions.

Proxy Solutions:

Consultation and Advice:

Offer advice and recommendations on proxy solution selection or integration based on specific project requirements.

Assistance with Policy Implementation:

Provide support in defining and implementing proxy policies aligned with security and compliance standards.

Advisory Role in Security Measures:

Offer insights into optimizing proxy security controls or advising on security best practices for proxy deployments.

On-Demand Troubleshooting:

Assist in diagnosing and resolving critical issues related to proxy performance or security incidents

Key Skills

Network Security Fundamentals:

Understanding of networking protocols, TCP/IP, OSI model, and network security principles. Strong grasp of firewal

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