Senior Network Security Engineer - Riyadh, KSA
DeepSource Technologies
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Job Overview
Location
Remote
Employment Type
Full-time
Work Arrangement
Remote
Sector
Information Technology & Software
Experience Level
Senior (5-8 years)
About the Company
DeepSource Technologies is a leading IT and AI services provider dedicated to connecting businesses with exceptional multilingual talent. We specialize in sourcing highly skilled professionals within the Information Technology and Artificial Intelligence sectors.
Our mission is to empower companies to accelerate growth, foster innovation, and successfully navigate digital transformation. By providing tailored talent solutions and leveraging AI-driven strategies, DeepSource ensures our clients remain competitive and agile in the fast-paced digital economy.
Job Description
DeepSource Technologies is seeking a highly skilled Senior Network Security Engineer to join our team. This role is crucial for managing and enhancing our network security infrastructure, particularly focusing on F5 BIG-IP load balancers and firewall policies.
You will be responsible for identifying and removing unused IP addresses, optimizing F5 configurations, and ensuring the integrity of firewall policies across our data centers. This position requires a deep understanding of network security principles and the ability to implement changes securely and efficiently.
The ideal candidate will perform comprehensive network and security assessments, analyze dependencies, and classify network assets based on criticality. You will also develop detailed cleanup and migration plans, design IP address ranges, and manage DNS records to maintain a secure and functional network environment.
Execution and validation of changes are key aspects of this role, requiring close coordination with various technical teams to ensure uninterrupted service continuity and security posture. Maintaining comprehensive documentation for all activities and supporting audit requirements will also be essential.
To apply for this role, click the Apply button on this page and follow the instructions.
Required Skills
Key Responsibilities
- Deep technical experience on F5 advanced WAF
- Identify and clean up unused or orphaned IP addresses on F5 BIG-IP load balancers
- Review, validate, and remove unused, duplicate, or obsolete firewall policies
- Ensure firewall and load balancer changes align with high availability (HA) and disaster recovery (DR) requirements
- Perform comprehensive assessment of devices, applications, databases, and network components
- Analyze application, service, and security dependencies
- Classify firewall rules and DNS-related entries based on criticality, usage, activity level, and business relevance
- Develop detailed cleanup and migration plans
- Design and allocate private IP address ranges
- Assess and analyze DNS records to identify unused, outdated, or invalid entries
- Remove or update invalid, obsolete, or unnecessary DNS records
- Execute cleanup and migration activities in a secure, controlled, and auditable manner
- Coordinate with application, systems, SOC, and operations teams
- Perform post-change testing and validation
- Establish periodic review procedures for firewall rules, F5 configurations, IP addressing, and DNS records
- Ensure cleanup activities do not negatively impact applications, services, or end users
- Maintain comprehensive documentation for all activities
- Support audit, compliance, and regulatory requirements
Qualifications
- Strong hands-on experience with firewalls (NGFW), security policies, NAT, and access control management
- Proven expertise in F5 BIG-IP (LTM), including VIPs, Self IPs, SNATs, and HA configurations
- Solid understanding of enterprise IP addressing, DNS, routing, and network security architecture
- Experience operating in HQ / DR, high-availability, and mission-critical environments
- Strong knowledge of change management, rollback planning, and risk mitigation
- Bachelor’s degree in Computer Science, Information Technology, or related field (Preferred)
- Certifications such as CCNP Security, F5-CA/CTS, NSE, or equivalent are highly regarded (Preferred)
How to Apply
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The cybersecurity landscape in Saudi Arabia is rapidly evolving, demanding robust network defense strategies. This role is pivotal in safeguarding critical infrastructure by managing and optimizing complex network security systems. You will leverage deep technical expertise in F5 advanced WAF, IP address management, and firewall policy optimization to enhance performance and security. Your impact will directly contribute to business continuity and risk mitigation for enterprise-level operations, signaling a significant role in protecting organizational assets and ensuring compliance.
Posted Date
June 7, 2026
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