Network Security Engineer

Apply Closing Date: October 31, 2025

Location: Doha, Qatar

Job Overview:

GBM is hiring a experienced and highly motivated Mid-Career Network Security Engineer to join our information security team. The ideal candidate will be responsible for designing, implementing, maintaining, and troubleshooting our organization’s network security infrastructure. This role requires a strong understanding of network protocols, security principles, and a proven ability to protect sensitive data and systems from evolving cyber threats. This position demands a balance between technical expertise and strong client-facing skills, focusing on network security solutions.

Key Responsibilities:

  • Design, implement, and manage network security solutions, including firewalls (e.g., Palo Alto, Cisco ASA, Fortinet), intrusion detection/prevention systems (IDS/IPS), VPNs, web application firewalls (WAFs) and other security appliances.
  • Monitor network security systems for anomalies, alerts and potential security breaches, and respond effectively to incidents.
  • Conduct vulnerability assessments and penetration testing to identify and address security weaknesses in the network infrastructure.
  • Develop, implement, and enforce network security policies, standards, and procedures in alignment with industry best practices and compliance requirements.
  • Perform reviews of network configurations to ensure compliance and identify areas for improvement.
  • Administer and troubleshoot network devices such as routers, switches, and wireless access points, with a focus on their security configurations.
  • Participate in the evaluation and selection of new security technologies and tools.
  • Collaborate with IT operations, development teams, and other stakeholders to integrate security into all phases of the system development lifecycle.
  • Develop and maintain comprehensive documentation for network security architecture, configurations, and procedures.
  • Stay up-to-date with the latest security trends, threats, vulnerabilities and technologies.
  • Provide technical guidance and mentorship to team members as needed.

Requirements:

  • Bachelor’s degree in Computer Science, Information Technology, Cybersecurity or a related field.
    (Relevant experience may substitute for a degree).
  • 5 to 8 years of progressive experience in network security engineering or a similar role.
  • Strong expertise with various security technologies, including:
    • Next Generation Firewalls (e.g., Palo Alto Networks, Cisco ASA, Fortinet).
    • IDS/IPS solutions.
    • VPN technologies (IPsec, SSL VPN).
    • Network Access Control (NAC) solutions.
    • SIEM (Security Information and Event Management) platforms.
    • Symantec (Broadcom) Web Proxy
    • Endpoint security solutions (AV and EDR).
  • In-depth knowledge of networking protocols and services: TCP/IP, DNS, DHCP, HTTP/S, BGP, OSPF, VLANs, etc.
  • Proven experience in incident response, forensics, and remediation.
  • Excellent problem-solving, analytical, and communication skills.
  • Ability to work independently and as part of a team in a fast-paced environment.
  • Collaboration with pre-sales, project team, vendors and contractors.
  • Strong attention to detail and commitment to security best practices.
  • Sound experience in implementing multi-vendor security solutions.

Preferred Skills and Certifications:

Any of the below mentioned skills/certifications would be preferred.

  • Professional level security certifications (e.g: CCNP Security, PCNSE, etc ..) — Must
  • Certified experience with Cisco ISE — Must
  • Certified Information Systems Security Professional (CISSP) — Preferred
  • Certified Ethical Hacker (CEH) — Preferred
  • CompTIA Security+ — Preferred

Benefits:

  • Competitive salary and benefits.
  • Opportunity to work on innovative projects.
  • Collaborative and flexible work environment.
  • Opportunities for professional development and learning.

How To Apply:

Submit your updated resume and a cover letter detailing your experience as Network Security Engineer