Network Security Engineer

The Level 3 Network Security Engineer is a senior technical expert responsible for designing, implementing, and troubleshooting complex network security solutions across the organization. This role requires in-depth knowledge of enterprise security technologies, proactive threat mitigation, and seamless integration of security controls into the network infrastructure to meet the regulatory demands of a financial institution.

· Design & Architecture: Develop and maintain security architecture for network infrastructure, including firewalls, VPNs, proxies, and intrusion prevention systems. Ensure alignment with security frameworks such as SAMA, ISO 27001, and NIST.

· Advanced Troubleshooting: Lead in-depth analysis and resolution of complex security-related incidents and performance issues. Coordinate with cross-functional teams during security investigations and post-incident reviews.

· Security Operations & Monitoring: Implement and maintain security monitoring tools (e.g., SIEM, IDS/IPS). Analyze security logs and traffic patterns to identify and mitigate potential threats.

· Firewall & Perimeter Management: Manage and optimize enterprise firewalls (e.g., Fortinet, Palo Alto, Cisco ASA). Oversee access control policies, NAT, site-to-site VPNs, and internet gateways.

· Compliance & Risk Management: Enforce security policies and ensure audit readiness for internal and external compliance. Assist in risk assessments, vulnerability management, and remediation planning.

· Project Support & Integration: Participate in the design and deployment of new applications and services, ensuring secure-by-design principles are followed. Evaluate emerging technologies and recommend security enhancements.

· Documentation & Standards: Maintain detailed documentation of configurations, policies, and procedures. Contribute to the continuous improvement of network security standards and practices.

· Typically, 6+ years of relevant work experience in industry, with a minimum of 2+ years in a similar role

· Deep understanding of enterprise-grade firewalls, VPNs, NAC, and threat detection tools.

· Strong troubleshooting skills across Layer 2–7, with a focus on perimeter and endpoint protection.

· Familiarity with Zero Trust architecture, segmentation, and defense-in-depth strategies.

· Hands-on experience with Fortinet, Palo Alto, Cisco ASA/FTD, and relevant security tools.

· Excellent communication skills and experience working with cross-functional teams.

· Bachelor’s Degree in Computer Science, Information Security, or related field.

· Preferred certifications:

· - Fortinet NSE 4–7

· - Palo Alto PCNSE

· - Cisco CCNP Security / CCIE Security

· - CISSP or CISM (a plus)

· May require occasional on-site support during major incidents or projects.

· Flexibility to work off-hours for emergency changes or incidents.

· Regular collaboration with infrastructure, SOC, and compliance teams.

· Palo Alto NGFW — primary enterprise firewall platform (design, policy management, threat prevention, GlobalProtect VPN)

· Cisco ASA/FTD — secondary firewall platform

· Cisco ISE — Network Access Control (posture assessment, guest access, BYOD workflows, subject to Cybersecurity team approvals)

· SolarWinds NPM/NTA — network security monitoring and traffic analysis

· Dynatrace — full-stack observability for security event correlation

· ServiceNow — change control, incident management for all security changes (CAB process, maintenance windows, evidence attachment, rollback plans)

· NCA (National Cybersecurity Authority) — Saudi national cybersecurity framework (replaces SAMA, which applies to banking sector only)

· NDMO (National Data Management Office) — Saudi data governance mandates

· ISO 27001, NIST, CIS hardening baselines

· Support for NCA/CIS-aligned server and network device hardening with drift correction

· Coordinate with SOC team for remediation/evidence (SOC operations themselves are out of DXC scope — owned by Maaden Cybersecurity)

· Participate in Unified Endpoint Security (UES) consolidation initiative (current state: multiple EDR/AV agents causing policy conflicts)

· Support Zero Trust architecture implementation aligned with network segmentation strategy across all 23+ sites

· Palo Alto PCNSE (primary)

· Cisco CCNP Security / CCIE Security

· CISSP or CISM (a plus)

· Fortinet NSE certifications (desirable but not primary)

Bilingual Arabic and English proficiency required

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