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Open nowPosted today

Technical Security Specialist

nttlimited1,047 open roles

Where
ARE, Abu Dhabi
Work mode
Hybrid
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Your applicationOpen nowTechnical Security Specialistnttlimited · ARE, Abu Dhabi
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The clock on this job

Early applications get read.

13.8% of postings close within 7 days. Measured by our own scanner across the market. nttlimited postings stay open a median of 14 days.

Share of postings closed within
  1. 2.2%1 day
  2. 4.7%3 days
  3. 13.8%7 days
  4. 22.3%14 days
  5. 37.8%30 days
  6. 59.0%60 days
This job: posted today

nttlimited median: 14 days open

The posting

Make an impact with NTT DATA Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

Your day at NTT DATA

The Technical Security Specialist designs, implements and supports enterprise networking and security solutions for clients. This role combines hands-on expertise across Cisco, Palo Alto, Fortinet and F5 technologies with technical leadership, customer engagement and ownership of complex deployments and escalations.

Key responsibilities:

  • Design, implement, configure and support enterprise network and security solutions across Cisco, Palo Alto, Fortinet and F5 technologies.
  • Lead installations, migrations, upgrades and lifecycle management for LAN, WAN, SD-WAN, data centre, internet edge and security infrastructure.
  • Configure and troubleshoot Cisco routing and switching, ACI and SD-WAN; Palo Alto and Fortinet firewalls; and F5 BIG-IP application delivery and security solutions.
  • Work with clients onsite and remotely to gather requirements, resolve technical issues and deliver solutions.
  • Perform firewall policy reviews, security hardening, VPN and NAT configuration, health checks and capacity planning.
  • Investigate and resolve critical network, security and application delivery incidents, coordinating vendor escalations where required.
  • Produce high-level and low-level designs, implementation and migration plans, and operational documentation.
  • Support high-availability and disaster recovery designs, ensuring solutions meet customer security and governance requirements.
  • Mentor junior engineers, contribute to technical workshops and presales discussions, and act as the escalation point for assigned technologies.

To thrive in this role, you need to have:

  • Strong knowledge of TCP/IP, routing and switching, including OSPF, BGP, EIGRP, MPLS, VRF, VXLAN, STP, HSRP/VRRP and multicast.
  • Hands-on experience with Cisco Catalyst, Nexus, ISR, ASR, wireless, DNA Center, ACI and SD-WAN technologies.
  • Advanced knowledge of next-generation firewalls, IPS/IDS, IPsec and SSL VPNs, network access control, secure web gateways, Zero Trust, web application firewalls and DDoS protection.
  • Experience configuring and troubleshooting Palo Alto PAN-OS, Fortinet FortiGate, FortiManager and FortiAnalyzer, and Cisco Firepower.
  • Experience deploying and managing F5 BIG-IP LTM, GTM/DNS, APM and ASM/WAF, including load balancing, SSL offloading, certificate management and application traffic troubleshooting.
  • Strong customer engagement, technical documentation, problem-solving and communication skills, with the ability to lead workshops and mentor engineers.

Academic qualifications and certifications:

  • Bachelor’s degree in Information Technology, Computer Science, Electronics, Telecommunications or a related field.
  • Mandatory: At least one professional-level certification from a major technology vendor.
  • Preferred certifications: CCNP Enterprise, CCNP Security, CCIE Enterprise Infrastructure or Security; PCNSA or PCNSE; FCP or FCSS Network Security; F5 Certified BIG-IP Administrator, Technology Specialist or Solution Expert.
  • CISSP, CISM, CEH, Security+ and ITIL Foundation are advantageous.

Required experience:

  • 7–10+ years of hands-on experience in enterprise networking and network security.
  • At least five years of implementation and operational experience with Cisco networking technologies.
  • At least five years of experience managing Palo Alto NGFW environments and five years supporting Fortinet Security Fabric and FortiGate deployments.
  • Three to five years of experience with F5 BIG-IP load balancers and WAF solutions.
  • Proven delivery of complex network transformation, migration and security projects, ideally within a large enterprise, government, telecom, financial services, managed services or systems integration environment.
  • Strong troubleshooting experience across routing and switching, firewalls, VPNs, SD-WAN, load balancers and application delivery.
  • Experience managing customer stakeholders and technical escalations, preparing implementation documentation, leading knowledge-transfer sessions and mentoring engineers.

Workplace type:

Hybrid Working

About NTT DATA NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune

Global 100. We are committed to accelerating client success and positively impacting society through

responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with

unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and

application services. Our consulting and industry solutions help organizations and society move

confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more

than 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as

established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each

year in R&D.

Equal Opportunity Employer NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.

Third parties fraudulently posing as NTT DATA recruiters

NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters whether in writing or by phone in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an @nttdata.com email address. If you suspect any fraudulent activity, please contact us.

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