Networking Technical Services Specialist

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 Networking Technical Services Specialist designs, implements and supports enterprise networking and security solutions for clients. The role combines hands‑on technical delivery with customer engagement, complex troubleshooting and leadership across infrastructure transformation projects.

• Design, deploy and support LAN, WAN, wireless, SD‑WAN, data centre, cloud connectivity and security solutions.
• Lead customer implementations, migrations, upgrades and optimisation projects, minimising business disruption.
• Configure and troubleshoot Cisco, Palo Alto, Fortinet, Aruba and F5 technologies; support privileged access management (PAM) solutions where required.
• Conduct infrastructure assessments, health checks and gap analyses, and recommend practical improvements.
• Investigate critical incidents, perform root cause analysis and coordinate vendor escalations.
• Contribute to high‑level and low‑level designs, migration and rollback plans, implementation procedures and operational documentation.
• Support high‑availability and disaster recovery requirements while meeting customer security and governance standards.
• Deliver technical workshops and knowledge transfer, mentor junior engineers and act as an escalation point for assigned technologies.

• Strong expertise in Cisco enterprise networking, including routing and switching, wireless, SD‑WAN and data centre technologies.
• Knowledge of BGP, OSPF, MPLS, VRF, VXLAN and related protocols is important.
• Hands‑on experience with Palo Alto and Fortinet firewalls, security policies, VPNs and threat prevention.
• Experience with Aruba wired and wireless networking, including access control, and F5 BIG‑IP application delivery and web application security.
• An understanding of network access control, high availability, cloud networking and security.
• PAM experience with platforms such as Cyber Ark, Beyond Trust or Delinea is advantageous.
• Strong troubleshooting, customer engagement, documentation and stakeholder‑management skills, with the ability to lead technical discussions and guide junior engineers.
• Exposure to automation, scripting or infrastructure‑as‑code tools is advantageous.

Bachelor’s degree in Computer Science, Information Technology, Telecommunications, Electronics Engineering or a related field.

Mandatory:
Relevant vendor certification in networking or security.

Preferred:
Certifications such as CCNP or CCIE; PCNSA or PCNSE;
Fortinet FCP, FCSS or FCX;
Aruba professional‑level certifications; or F5 BIG‑IP certifications.

Relevant PAM, cloud, security or ITIL certifications are advantageous.

• 8–12 years of experience in enterprise networking and security environments.
• At least five years of hands‑on experience with Cisco enterprise networking, five years with Palo Alto NGFW and five years with Fortinet security solutions.
• Three to five years of experience with Aruba wired and wireless infrastructure and F5 BIG‑IP application delivery solutions.
• At least three years of experience with PAM solutions.
• Proven delivery of large‑scale network transformation, migration and security projects, including support for mission‑critical data centre or cloud environments.
• Experience in a customer‑facing technical role, preparing designs and implementation documentation, managing escalations and leading technical delivery.
• System…