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senior network security engineer

Flint International

<div>
 <p>
  <strong>
   Security Consulting Engineer (Network Security)
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  Location: Doha, Qatar
 </p>
 <p>
  Work Model: Customer site in Doha
 </p>
 <p>
  Duration: 12 months
 </p>
 <p>
  <br/>
 </p>
 <p>
  About the Role
 </p>
 <p>
  <br/>
 </p>
 <p>
  We are seeking a highly experienced
  <strong>
   Security Consulting Engineer
  </strong>
  to deliver security consulting and implementation services for strategic enterprise customers across the EMEAR region. You&rsquo;ll lead a mix of
  <strong>
   subscription/on-site support activities
  </strong>
  and
  <strong>
   project-based engagements
  </strong>
  , ranging from security reviews to the design, implementation, and optimization of large-scale security infrastructure.
 </p>
 <p>
  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.
 </p>
 <p>
  Key Responsibilities
 </p>
 <ul>
  <li>
   Lead customer support activities, including coordinating partner resources and mentoring less experienced engineers as needed.
  </li>
  <li>
   Deliver
   <strong>
    subscription-based on-site support
   </strong>
   , directly engaging with customer stakeholders and operations teams.
  </li>
  <li>
   Conduct security reviews and translate findings into actionable recommendations.
  </li>
  <li>
   Lead implementation of best-practice recommendations on large infrastructure environments.
  </li>
  <li>
   Develop and execute procedures and change plans that
   <strong>
    minimize service impact
   </strong>
   during upgrades and maintenance.
  </li>
  <li>
   Serve as the security lead on large-scale design and implementation projects delivered via virtual multi-disciplinary teams.
  </li>
  <li>
   Provide expert-level troubleshooting in complex, large-scale enterprise networks involving security platforms and integrations.
  </li>
 </ul>
 <li>
 </li>
 <p>
  Required Experience &amp; Qualifications
 </p>
 <ul>
  <li>
   <strong>
    10+ years of security experience
   </strong>
   , including
   <strong>
    8+ years with network security as the primary technical focus
   </strong>
   .
  </li>
  <li>
   Expert-level internetworking troubleshooting in large enterprise environments.
  </li>
  <li>
   Strong customer-facing consulting capability, including technical account liaison and stakeholder management.
  </li>
  <li>
   Deep expertise supporting, troubleshooting, and operating:
  </li>
  <li>
   <strong>
    Identity Services Engine (ISE):
   </strong>
   migrations (ACS to ISE), wired/wireless deployments, profiling, posture, and integrations via pxGrid
  </li>
  <li>
   <strong>
    Next-Gen Firewalls:
   </strong>
   FTD and ASA software for firewall and VPN services
  </li>
  <li>
   Expert-level knowledge of network security design and configuration across routers, firewalls, and security products.
  </li>
  <li>
   <strong>
    CCIE Security qualification
   </strong>
   (or equivalent demonstrable expert-level capability aligned to the role).
  </li>
 </ul>
 <li>
 </li>
 <p>
  Desirable Skills
 </p>
 <ul>
  <li>
   Experience with
   <strong>
    Stealthwatch
   </strong>
   (rapid ramp-up expected if not already expert).
  </li>
  <li>
   Experience with:
  </li>
  <li>
   Email Security Appliance (ESA)
  </li>
  <li>
   Web Security Appliance (WSA)
  </li>
  <li>
   Cloud security / secure internet gateway solutions (e.g., Umbrella)
  </li>
  <li>
   Additional certifications are a plus:
   <strong>
    PNSE, Fortinet NSE, CISSP, TOGAF, CCDE, CEH, CISA, CISM
   </strong>
   , or equivalent security qualifications.
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  Ideal Technical Profile
 </p>
 <ul>
  <li>
   <strong>
    FTD:
   </strong>
   Expert
  </li>
  <li>
   <strong>
    ISE:
   </strong>
   Expert
  </li>
  <li>
   <strong>
    Stealthwatch:
   </strong>
   Very good &rarr; expected to reach expert quickly
  </li>
  <li>
   <strong>
    ESA / WSA / Umbrella:
   </strong>
   Very good or better
  </li>
 </ul>
 <li>
 </li>
 <p>
  What You&rsquo;ll Get
 </p>
 <ul>
  <li>
   Exposure to high-impact projects with strategic enterprise customers across EMEAR
  </li>
  <li>
   A dynamic workload combining on-site delivery and virtual project leadership
  </li>
  <li>
   Collaboration with a highly skilled team of security engineers
  </li>
  <li>
   Opportunities to work on modern security technologies and complex enterprise environments
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   To apply:
  </strong>
  Submit your CV highlighting your customer-facing consulting delivery, large-scale troubleshooting expertise, and hands-on experience with ISE and NGFW (FTD/ASA).
 </p>
</div>


Senior Network Security Engineer

Penta Consulting

<div>
 <p>
  Penta Consulting are a technology service provider and leading outsourced partner helping to deliver professional and managed solutions across EMEA.
 </p>
 <p>
  <br/>
 </p>
 <p>
  If you&rsquo;re a seasoned security professional who thrives in complex environments and enjoys leading high‑impact customer engagements, this is an opportunity to work at the forefront of enterprise‑grade network security. Join a team where your expertise will directly influence customer success and shape secure infrastructure strategies.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Role &amp; Responsibilities
  </strong>
 </p>
 <ul>
  <li>
   Take a
   <strong>
    lead role in customer support activities
   </strong>
   , guiding less experienced engineers or partner teams to ensure successful outcomes.
  </li>
  <li>
   Deliver
   <strong>
    subscription-based support services
   </strong>
   directly at customer premises, engaging closely with end customers.
  </li>
  <li>
   Lead the
   <strong>
    implementation of best‑practice security recommendations
   </strong>
   across large‑scale infrastructures, developing procedures that minimize service impact.
  </li>
  <li>
   Collaborate daily with a team of highly skilled engineers, supporting critical network infrastructure while representing Cisco with professionalism and technical excellence.
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Minimum Qualifications
  </strong>
 </p>
 <ul>
  <li>
   <strong>
    10+ years of security experience
   </strong>
   , with at least
   <strong>
    8 years focused specifically on network security
   </strong>
   .
  </li>
  <li>
   Expert‑level troubleshooting skills in
   <strong>
    large‑scale network environments
   </strong>
   , using Cisco and ideally multi‑vendor security products.
  </li>
  <li>
   Strong customer‑facing abilities, including
   <strong>
    technical account liaison
   </strong>
   , consulting, and relationship management.
  </li>
  <li>
   Deep hands‑on expertise with key Cisco security technologies, including:
  </li>
  <li>
   <strong>
    Cisco ISE
   </strong>
   (ACS to ISE migrations, wired/wireless deployments, profiling, posturing, pxGrid integrations)
  </li>
  <li>
   <strong>
    Cisco NGFW
   </strong>
   (FTD and ASA) for firewalling and VPN
  </li>
  <li>
   Experience with additional technologies such as
   <strong>
    Cisco Stealthwatch
   </strong>
   is highly desirable.
  </li>
  <li>
   Expert knowledge in
   <strong>
    network security design and configuration
   </strong>
   , including Cisco routers, firewalls, and a broad range of security platforms.
  </li>
  <li>
   <strong>
    CCIE Security certification
   </strong>
   required
  </li>
 </ul>
 <p>
 </p>
</div>


Hope Global School

<div><h3 class="jobSectionHeader"><b>Job Description</b></h3>
<p>Security Infrastructure Engineer designs, implements, and maintains secure IT infrastructure systems. Ensures network security, data protection, cloud security compliance, and proactive threat mitigation to safeguard enterprise technology environments and digital assets.</p>
<h3 class="jobSectionHeader"><b>
Key Responsibilities</b></h3>
<ul><li>Design secure network and cloud infrastructure architectures</li>
<li>Implement firewalls, intrusion detection, and prevention systems</li>
<li>Monitor security logs and incident response activities</li>
<li>Conduct vulnerability assessments and penetration testing regularly</li>
<li>Ensure compliance with cybersecurity policies and standards</li>
<li>Manage identity access controls and authentication systems</li>
<li>Coordinate with IT teams for secure deployments</li>
<li>Prepare security reports and risk analysis documentation.</li>
</ul><h3 class="jobSectionHeader"><b>Skill &amp; Experience</b></h3>
<ul><li>Strong knowledge of network security principles</li>
<li>Experience with firewalls and intrusion systems</li>
<li>Proficiency in cloud security architecture design</li>
<li>Ability to analyze security threats effectively</li>
<li>Knowledge of cybersecurity compliance frameworks standards</li>
<li>Excellent troubleshooting and problem-solving technical skills.</li></ul></div>
<br><div></div><div><ul><li><div><div>Date Posted</div>
<div>February 11, 2026</div>
</div></li><div></div><li><div><div>Location</div>
<div><div>Doha, Qatar
</div></div></div></li><div></div><li><div><div>Offered Salary:</div>
 <div>158000 - 324000 / year</div>
</div></li><div></div><li><div><div>Expiration date</div>
<div>February 16, 2028
</div></div></li><div></div><li><div><div>Experience</div>
<div>3 Year
</div></div></li><div></div><li><div><div>Gender</div>
<div>Both
</div></div></li><div></div><li><div><div>Qualification</div>
<div>Bachelor Degree</div></div></li></ul></div>

Security Infrastructure Engineer

SFAI Qatar

<p>Support the Sales Engineer, ELV Implementation Engineer, and Project Team by providing design and production of drawings, as well as overseeing the delivery of Active and Passive IT, Telecom, ELV infrastructure and systems.</p><ul><li>Provide guidance to clients regarding best practices for the design and deployment of these systems. Communicate with the Ministry of Interior for various approval processes and follow-ups.</li><li>Design and oversee the approval process for Active and Passive IT, Telecom, ELV, Security Fire Alarm, Queue Management, CCTV, Access Control, and Clinical IT infrastructure and systems.</li><li>Design Active and Passive IT infrastructure, telecommunication services, fire alarm and voice evacuation systems, earthing/bonding, low current and extra-low voltage services, automatic controls (BMS, SCADA), and related electrical utility systems.</li><li>Prepare IT design calculations, UPS power calculations, network storage calculations, drawings, specifications, and tender documents for design projects.</li><li>Participate in design progress and coordination meetings for ongoing projects.</li><li>Liaise with local authority departments to obtain approvals at all stages of design development.</li><li>Coordinate with other discipline engineers (Sales Engineer, Installation Site Engineer, Supervisor, Project Management Team, Network Engineer) to ensure continuity of design projects.</li><li>Conduct design reviews for Active and Passive IT, Telecom, ELV, Security Fire Alarm, Queue Management, CCTV, Access Control, and Clinical IT systems.</li><li>Attend design review meetings and workshops as needed.</li><li>Prepare meeting records, design review documentation, and design progress reports.</li><li>Ensure integration of converged backbone and IP telephony, as well as the latest developments in the field of design.</li><li>Liaise with local suppliers and contractors to ensure adherence to client standards and scope of work requirements.</li><li>Communicate with various vendors to provide necessary Bill of Quantities (BOQ) and costing for required materials; collaborate with vendor technical teams for solutions based on the proposed BOQ.</li><li>Validate and check design drawings for IT/Communications Systems and Security during planning and construction phases.</li><li>Provide guidance and advice to draftsmen on producing design drawings.</li><li>Supervise and confirm QA/QC procedures; offer additional support as needed.</li><li>Arrange all technical submittals and prequalification&rsquo;s for tenders and submissions.</li><li>Collaborate with suppliers to secure optimal pricing and deal registration.</li><li>Prioritize cost efficiency in project design, minimizing labor and material requirements while ensuring optimal resource utilization.</li></ul><p>Job Type: Full-time</p><p>Pay: QAR15,000.00 per month</p><p>Experience:</p><ul><li>design and technical : 7 years (Preferred)</li></ul><p>Language:</p><ul><li>Arabic  (Required)</li></ul><p>License/Certification:</p><ul><li>Qatar ID  (Required)</li></ul>

DESIGN & TECHNICAL LEAD

COZMALABS

<p>We are seeking a highly experienced and hands-on Senior IT &amp; System Administrator to manage and maintain the organization&rsquo;s IT infrastructure, including Active Directory, Microsoft 365, operating systems, security tools, and enterprise network environments.</p><p>This role requires strong expertise in domain administration, system hardening, group policy management, security tool deployment, and corporate WiFi/network management. The ideal candidate must be capable of independently managing day-to-day IT operations while ensuring system stability, performance, and security compliance.</p><p>Key Responsibilities</p><p>Active Directory &amp; Microsoft 365 Administration</p><ul><li>Manage and maintain Active Directory (users, groups, OU structure, permissions).</li><li>Design, implement, and manage Group Policies (GPO).</li><li>Administer Microsoft 365 services (Exchange Online, Teams, SharePoint, OneDrive).</li><li>Manage hybrid identity integration and Azure AD synchronization.</li><li>Implement and maintain RBAC, MFA, and identity security controls.</li></ul><p>Systems &amp; OS Administration</p><ul><li>Install, configure, and maintain Windows Server and Windows client operating systems.</li><li>Perform OS deployment, imaging, and patch management.</li><li>Implement server and endpoint hardening best practices.</li><li>Manage file servers, print servers, and shared resources.</li><li>Monitor system performance and ensure high availability.</li></ul><p>Security Tools Deployment &amp; Management</p><ul><li>Install, configure, and manage security tools such as:</li><li>SIEM platforms</li><li>EDR/XDR solutions</li><li>DLP systems</li><li>Email security gateways</li><li>Vulnerability management tools</li><li>Monitor security alerts and coordinate remediation.</li><li>Conduct vulnerability scans and support remediation efforts.</li><li>Maintain endpoint protection and device compliance policies.</li></ul><p>Network &amp; WiFi Management</p><ul><li>Manage company LAN/WAN infrastructure.</li><li>Configure and maintain enterprise WiFi access points and controllers.</li><li>Implement network segmentation and VLAN configuration.</li><li>Manage firewalls, VPN access, and network security policies.</li><li>Troubleshoot connectivity and performance issues.</li></ul><p>IT Operations &amp; Support</p><ul><li>Provide Level 2/3 technical support.</li><li>Maintain IT documentation, configurations, and change records.</li><li>Ensure backup systems are properly configured and tested.</li><li>Participate in disaster recovery planning and testing.</li><li>Support internal audits and compliance requirements.</li></ul><p>Experience Requirements</p><ul><li>Minimum 5&ndash;8 years of experience in IT infrastructure and system administration.</li><li>Strong hands-on experience managing Active Directory and Microsoft 365.</li><li>Experience deploying and managing enterprise security tools.</li><li>Experience managing enterprise WiFi and network infrastructure.</li><li>Experience in server and endpoint hardening.</li></ul><p>Technical Skills</p><ul><li>Active Directory &amp; Group Policy management</li><li>Microsoft 365 Administration</li><li>Windows Server &amp; Windows 10/11 administration</li><li>Azure AD (Entra ID) basics</li><li>Network fundamentals (TCP/IP, VLANs, VPNs, Firewalls)</li><li>Backup and disaster recovery systems</li><li>Security tools deployment and monitoring</li><li>Patch management and vulnerability remediation</li></ul><p>Preferred Certifications</p><ul><li>Microsoft Certified: Windows Server or Microsoft 365 Administrator</li><li>Microsoft Azure Administrator (AZ-104)</li><li>CompTIA Security+</li><li>CompTIA Network+</li><li>ITIL Foundation (preferred)</li></ul><p>Education</p><p>Bachelor&rsquo;s degree in Information Technology, Computer Science, or related field (or equivalent experience).</p><p>Job Type: Full-time</p>

Senior IT & System Administrator

JBK controls W.L.L

<p><b>Job Summary</b></p><p>We are seeking a skilled and detail-oriented CCTV Engineer to install, maintain, troubleshoot, and repair CCTV and security surveillance systems. The ideal candidate will have strong technical knowledge of IP and analog CCTV systems, networking basics, and hands-on field experience in security system deployment.</p><p><b>Key Responsibilities</b></p><ul><li>Install, configure, and commission CCTV systems (IP, analog, and hybrid)</li><li>Set up cameras, DVRs, NVRs, monitors, and related equipment</li><li>Perform system testing, fault diagnosis, and troubleshooting</li><li>Maintain and upgrade existing surveillance systems</li><li>Configure network settings (IP addressing, port forwarding, VLAN basics)</li><li>Ensure systems comply with safety, quality, and security standards</li><li>Read and interpret technical drawings and wiring diagrams</li><li>Provide technical support and user training when required</li><li>Prepare installation reports, service logs, and documentation</li><li>Coordinate with clients, contractors, and internal teams</li><li>Ensure timely completion of projects and service calls</li></ul><p><b>Required Skills &amp; Qualifications</b></p><ul><li>Diploma or degree in Electronics, Electrical Engineering, IT, or related field</li><li>Proven experience as a CCTV Engineer or Security Systems Technician</li><li>Strong knowledge of IP cameras, DVR/NVR systems, and cabling (UTP, fiber, coax)</li><li>Basic understanding of networking (TCP/IP, routers, switches)</li><li>Familiarity with access control and alarm systems is an advantage</li><li>Good problem-solving and communication skills</li></ul><p><b>Working Conditions</b></p><ul><li>Field-based role with on-site installations</li><li>May involve working at heights or in confined spaces</li><li>Occasional after-hours or emergency support</li></ul><p><b>Experience</b></p><p>2 to 5 Yrs of relevant experience required</p><p><b>Candidates with transferable Visa can apply</b></p><p>Job Types: Full-time, Permanent</p><p>Education:</p><ul><li>Bachelor's (Preferred)</li></ul><p>Experience:</p><ul><li>CCTV: 2 years (Required)</li></ul>

CCTV Engineer

Al Jazeera Media Network

<div><div><div><b>Senior Facilities Electrical Engineer</b></div><div>
</div><div><b>
12 Month Contract</b></div><div>
</div><div><b>
Senior Facilities Electrical Engineer i</b>s responsible for the design review and construction of projects, which includes Installation of electrical and power systems, (as per KAHRAMAA regulators and all related Codes) as well as organize and oversight of heavy maintenance works.</div></div><div></div><div><b>
Key Responsibilities:</b></div><div></div><ul><li>
Preparing the design drawings, Bill of quantities and specifications for projects and modifications that are within the premises of the channel for the following acts</li><li>
Design Electrical systems (lighting systems &ndash; power system &ndash; cables design- distribution boards- - transformers - generators - uninterruptible power supply &quot;UPS&quot;).</li><li>
Design review for Fire Alarm System. 4.Design review CCTV system</li><li>
Design review Access control system 6.Design review Lightning protection system.</li><li>
Design review Public address system.</li><li>
Design review Earthing system</li><li>
Full coordination with technology section in the network regarding all works related to electrical work. 10.Review technical and financial offers submitted for the projects.</li><li>
Review shop drawings, time schedules and material submittals, material on sites for the project. 12.Supervision and follow up the implementation of the electrical work at the site and the conduct of the project, according to a schedule.</li><li>
1Supervision and monitoring tests those are at the stage of preliminary and final delivery of the project.</li><li>
Review and follow-up transaction network with stakeholders &quot;KAHRAMAA, civil defense&hellip;etc.</li><li>
To check, review and approve shop drawings, material submittals &amp; As‐built drawings;</li><li>
To conduct site visit and generate civil and structure Punch list until all snags are closed.</li><li>
To conduct an evaluation for the candidates of the tender , during tender stage.</li></ul><p></p><div><b><br>
Education:</b></div><div>
Minimum Bachelor degree in Electrical Engineering.</div><div>
</div><div><b>
Experience:</b></div><div>
At least 10 years related work experience</div></div>

Senior Facilities Electrical Engineer

Explore 729+ Senior network security engineer in Doha this February. Find roles across top companies and apply now to boost your career.

729 senior network security engineer jobs In Doha

Senior Network Security Engineer

Senior Network Security Engineer

Security Infrastructure Engineer

DESIGN & TECHNICAL LEAD

Senior IT & System Administrator

CCTV Engineer

Senior Facilities Electrical Engineer