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Flint International

Senior Network Security Engineer

Flint International
Qatar · Full-time · Mid-Senior

Security Consulting Engineer (Network Security)


Location: Doha, Qatar

Work Model: Customer site in Doha

Duration: 12 months


About the Role


We are seeking a highly experienced Security Consulting Engineer to deliver security consulting and implementation services for strategic enterprise customers across the EMEAR region. You’ll lead a mix of subscription/on-site support activities and project-based engagements, ranging from security reviews to the design, implementation, and optimization of large-scale security infrastructure.

This role is hands-on and customer-facing. You will act as the security lead within multi-discipline teams and represent the engineering organization at customer premises, ensuring secure, reliable, and high-performance network operations.

Key Responsibilities

  • Lead customer support activities, including coordinating partner resources and mentoring less experienced engineers as needed.
  • Deliver subscription-based on-site support, directly engaging with customer stakeholders and operations teams.
  • Conduct security reviews and translate findings into actionable recommendations.
  • Lead implementation of best-practice recommendations on large infrastructure environments.
  • Develop and execute procedures and change plans that minimize service impact during upgrades and maintenance.
  • Serve as the security lead on large-scale design and implementation projects delivered via virtual multi-disciplinary teams.
  • Provide expert-level troubleshooting in complex, large-scale enterprise networks involving security platforms and integrations.
  • Required Experience & Qualifications

    • 10+ years of security experience, including 8+ years with network security as the primary technical focus.
    • Expert-level internetworking troubleshooting in large enterprise environments.
    • Strong customer-facing consulting capability, including technical account liaison and stakeholder management.
    • Deep expertise supporting, troubleshooting, and operating:
    • Identity Services Engine (ISE): migrations (ACS to ISE), wired/wireless deployments, profiling, posture, and integrations via pxGrid
    • Next-Gen Firewalls: FTD and ASA software for firewall and VPN services
    • Expert-level knowledge of network security design and configuration across routers, firewalls, and security products.
    • CCIE Security qualification (or equivalent demonstrable expert-level capability aligned to the role).
  • Desirable Skills

    • Experience with Stealthwatch (rapid ramp-up expected if not already expert).
    • Experience with:
    • Email Security Appliance (ESA)
    • Web Security Appliance (WSA)
    • Cloud security / secure internet gateway solutions (e.g., Umbrella)
    • Additional certifications are a plus: PNSE, Fortinet NSE, CISSP, TOGAF, CCDE, CEH, CISA, CISM, or equivalent security qualifications.


    Ideal Technical Profile

    • FTD: Expert
    • ISE: Expert
    • Stealthwatch: Very good → expected to reach expert quickly
    • ESA / WSA / Umbrella: Very good or better
  • What You’ll Get

    • Exposure to high-impact projects with strategic enterprise customers across EMEAR
    • A dynamic workload combining on-site delivery and virtual project leadership
    • Collaboration with a highly skilled team of security engineers
    • Opportunities to work on modern security technologies and complex enterprise environments


    To apply: Submit your CV highlighting your customer-facing consulting delivery, large-scale troubleshooting expertise, and hands-on experience with ISE and NGFW (FTD/ASA).

    Key Skills

    Ranked by relevance

    network security firewalls firewall fortinet routers cissp cisa vpn ceh asa ftd
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    Posted
    Feb 16, 2026
    Type
    Full-time
    Level
    Mid-Senior
    Location
    Doha

    Industries

    Telecommunications

    Categories

    Engineering

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