Jobs › Companies › NTT › Network Engineer (L3)

About this Network Engineer (L3) role at NTT

NTT · Onsite · Cyberjaya, Malaysia

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.

KEY RESPONSIBILITIES

  • Design and manage LAN and WAN topology — Aruba switching, VLAN provisioning and layer 3 routing
  • Manage Fortinet and MikroTik firewall policies — rule lifecycle, NAT, CVE patching and security profiles
  • Configure and maintain SSL VPN and client VPN services; manage user profiles and monitor tunnel health
  • Manage DNS zones, DHCP scopes and IP address management across all environments
  • Configure and maintain load balancer rules, health checks and listener configuration
  • Manage cloud networking across all provider environments — security groups, routing and cloud VA firewalls
  • Operate and maintain anti-DDoS appliances and cloud DDoS mitigation services
  • Monitor network performance and availability using Cisco DNA and Cisco Thousand Eyes
  • Monitor QoS and conduct regular performance and policy reviews; produce trend analysis reports
  • Maintain network security posture; respond to security anomalies and policy violation alerts
  • Participate in the change advisory process for all network changes and maintain audit records
  • Maintain network documentation, configuration runbooks and topology diagrams
  • Provide Level 2/3 network incident support and coordinate with vendors where required

 


REQUIRED SKILLS & COMPETENCIES

  • 5–10 years of experience in as a Network Engineer or equivalent position.
  • LAN and WAN — switching, VLAN management, trunking, Spanning Tree and layer 3 routing
  • Aruba switching — configuration, VLAN provisioning, port management and policy management
  • Firewall management — Fortinet FortiGate and MikroTik; policy creation, NAT and security profiles
  • VPN — SSL VPN and client VPN gateway configuration, profile management and monitoring
  • DNS, DHCP and IPAM — zone management, scope configuration and IP address lifecycle
  • Load balancing — rule configuration, health check management and listener lifecycle
  • Cloud networking — virtual networks, security groups, NSG, cloud VA firewall and routing
  • Cloud network virtual appliance firewalls — deployment, policy management and monitoring
  • Anti-DDoS — on-premises DDoS appliance and cloud-native DDoS mitigation management
  • Network monitoring — Cisco DNA Centre and Cisco Thousand Eyes for visibility and synthetic testing
  • QoS monitoring — quality of service configuration, monitoring and performance trend analysis
  • Network security support — posture monitoring, CVE patching and security policy compliance
  • Infrastructure as code — Terraform and Ansible for network configuration management
  • Performance and policy review — regular network performance analysis and policy optimisation

Workplace type:


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.

Ready to apply to NTT?
Apply to NTT

About NTT

Is innovation part of your DNA? Do you want to enable a connected future for people, organizations, and society? Join our growing global NTT family and you’ll be part of the world’s largest ICT company (by revenue). We’ve combined the capabilities of 28 remarkable companies to become one, leading technology services provider. Together, we help our people, clients, and communities do great things with technology to create a more secure and connected future. We employ 40,000 people across 57 countries. By bringing together the world’s best technology companies and emerging innovators, we work together to deliver sustainable outcomes to businesses and the world. Innovation is part of our DNA. W

See all jobs at NTT →

Similar jobs

NTT
Network Security Engineer (L3)
NTT
⚡ Apply early Cyberjaya, Malaysia Onsite
● New 👁 Seen ✓ Applied 1w ago
Ensono
Expert Network Engineer
Ensono
⚡ Apply early Bengaluru, India; Chennai, Ind... Hybrid
● New 👁 Seen ✓ Applied 2h ago
Delinea
Senior Network and Cloud Security Engineer
Delinea
⚡ Apply early Mexico City Hybrid
● New 👁 Seen ✓ Applied 4h ago
Anduril Industries
Senior Network Engineer, Air Defense
Anduril Industries
⚡ Apply early Irvine, California, United Sta... Onsite $146,000–$194,000
● New 👁 Seen ✓ Applied 5h ago
Anduril Industries
Senior Network Security Engineer, Space
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $147,000–$196,000
● New 👁 Seen ✓ Applied 5h ago
Anduril Industries
Senior Network Administrator
Anduril Industries
⚡ Apply early Ashville, Ohio, United States Onsite $101,000–$133,000
● New 👁 Seen ✓ Applied 5h ago
Uvcyber
Senior Network Engineer
Uvcyber
⚡ Apply early Arizona · location restricted
● New 👁 Seen ✓ Applied 6h ago
SI
Staff Engineer, Network
Sila
⚡ Apply early Alameda, CA Onsite $146,000–$185,000
● New 👁 Seen ✓ Applied 6h ago
CHAOS Industries
Senior Network Administrator (Palo Alto & Aruba)
CHAOS Industries
⚡ Apply early El Segundo, California, United... Onsite $130,000–$190,000
● New 👁 Seen ✓ Applied 6h ago

Sign up for suggestions tailored to the jobs you open and the searches you save.

More jobs at NTT

See all jobs at NTT →

Apply now
🤖

Whoa — hold up

JobsRadar was built for real people having a rough time in their job search — not for automated requests. You're clicking way too fast and you're now temporarily blocked.

Come back later. If you're genuinely job hunting, we've got your back — just act like a human.

Catch your next role the second it’s posted.

Create a free account and we’ll watch the boards for you — the instant a job matches your search, it lands in your inbox or Telegram. No digging, no refreshing.

Create free account

Free forever · takes 30 seconds · already have one?

Get an edge on your job hunt.

Join our Telegram channel for the stuff that helps you land the role — salary benchmarks, the weekly market pulse, and new-feature drops. No spam, just signal.

Join the channel — it's free