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Senior Network Security Engineer

Experience: 13-13
Posted: 27 Apr,2021
Location: United Arab Emirates

Senior Network Security Engineer


Job Purpose


The Senior Network Security Engineer role is to ensure the stability and integrity of the on-prim & cloud Network Services Security. This is achieved by planning, designing, installing, configuring, maintaining, and optimizing all Network Security Hardware Appliances, software, and communication links while ensuring minimal security impact. The right candidate will also diagnose and resolve hardware and software network security problems in a timely and accurate fashion, and provide end user training and support where required.


Core Responsibilities:


  • Install, configure, test, maintain, monitor, and troubleshoot Networking Security Appliances, IPS/IDS, NAC, Switches/Routers Security domain for multi-vendor OEM products both on-prim & in all private/public cloud.
  • Prepare, Plan & Implement the Security Infrastructure as per the Design guidelines
  • Prepare, Plan & Implement the wired & WLAN Infrastructure Security, 802.1x Implementation using MS agent/agentless & Monitoring as per the Design guidelines
  • Working knowledge of Microsoft PKI/CA for wired/wlan 802.1x implementation & management
  • Manage SOC to ensure their smooth and reliable operation for fulfilling business objectives and processes
  • Maintain Security Management Systems (Panorama/FCM) etc.
  • Maintain network security solutions including firewalls, IPS/IDS’s, NAC, Security Management Servers & Application, Security Monitoring & Reporting
  • Provide effective 2nd line support to the Help Desk and receive and respond to incoming calls, alerts, and/or e-mails regarding network security or performance problems.
  • Perform on-site analysis, diagnosis, and resolution of complex network problems and recommend and implement corrective network hardware and software solutions, including off-site repair.
  • Recommend, schedule, and perform network security improvements, upgrades, and repairs.
  • Support development and implementation of networking & security projects and new technology installations.
  • Conduct research on network security products, services, protocols, and standards in support of network/security hardware procurement and development efforts. Evaluate and recommend for purchase networking/security hardware and software products.
  • Write technical specifications for purchase of security hardware and software products.
  • Maintain up-to-date knowledge of all warranty & support contracts and supervise contract-based installations for all security related domain.
  • Practice asset management, including maintenance of security domain component inventory.
  • Prepare, maintain, and adhere to procedures for logging, reporting, and statistically monitoring network security data.
  • Liaise with, and provide training and support to, help desk support staff on network security issues.
  • Prepare and ensure accuracy of documentation, procedures manuals, and help sheets for network installations, including data, voice, and video systems.
  • Aid in development of business continuity and disaster recovery plans, and maintain current knowledge of plan executables. Respond to emergency network security outages in accordance with business continuity and disaster recovery plans.
  • Perform network security system backups and recovery.
  • Provide guidance to junior members of the team as required.
  • Work as a backup resource for all Network related support calls
  • Work in shifts to provide 2nd level of Network Security Support after business hours/weekends & Public Holidays
  • Willing to work extended hours/weekends & holidays during very tight project delivery schedules


Educational Qualifications:


Master’s/Bachelor’s Degree in Computer Science, Computer Engineering OR Information Technology with focus on Network Security


Technical Certifications:


  • Professional Level from Security OEM’s like Cisco/Palo Alto/VMWare NSX-T/Check Point/Bluecoat is mandatory.
  • Expert level from Cisco/PaloAlto/VMWare is desirable
  • CISSP Certification is an added advantage


Language Skills:





Mandatory Requirements


  • 5-8 years of relevant experience as a Sr. Network Security Engineer in a large network environment.
  • 12-15 plus years in Network Security Infrastructure Field
  • ITIL Foundation Certified
  • Residing in Abu Dhabi


Nature of Experience:


  • Proficient in Security, WLAN/Wired security
  • Install all New Networking/Security Hardware and its related Operating System Software
  • Manage periodic back-ups of Network Security Infrastructure
  • Plan and support Network/Security Infrastructure.
  • Documents network problems and resolution for future reference.
  • Monitors Network performance and implements performance tuning measures
  • Requires thorough & comprehensive networking & security skills.
  • Strong analytical abilities and professional problem solving experience needed.
  • Deep working technical knowledge of Switches, Routers, Firewalls, LAN, WAN, WLAN, TCP/IP, DNS, UDP, QoS, EIGRP, OSPF, BGP, PPPoE, MPLS, EVN, VRFs, DMVPN’s, 802.1x, NSX-T DFW, NSG, Azure Cloud Network Security, Palo Alto Firewalls, Panorama, Fortigate, Sourcefire, Juniper, Cisco ISE, RSA, Forescout NAC, Cisco DNAC SGT’s, etc.
  • Business process experience, as well as an understanding of the relationship between processes and policies.
  • Strong customer service orientation.
  • Proven analytical and problem-solving abilities.
  • Excellent interpersonal and oral communication skills.
  • Keen attention to detail.
  • Ability to effectively prioritize and execute tasks in a high-pressure environment.
  • Upgrade Networking Security Software to stable Operating Systems
  • Skilled at working within a team-oriented, collaborative environment.


Required Skills

Network Security
Palo Alto Firewalls