L3 Network Support Engineer

Make an impact with NTT DATAJoin 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

As an L3 Network Support Engineer at NTT DATA, you'll take on a senior technical role, responsible for resolving complex incidents, driving root cause analysis, and designing long-term solutions. You’ll work across multi-vendor environments and lead technical escalations, contributing to strategic initiatives and mentoring junior engineers.

Key Responsibilities

• Lead resolution of high-impact incidents and perform deep-dive troubleshooting.

• Conduct root cause analysis and implement permanent fixes.

• Design and execute complex changes and upgrades with minimal disruption.

• Act as a technical escalation point for L1 and L2 teams.

• Collaborate with clients, CoE teams, and automation engineers to improve service delivery.

• Lead disaster recovery planning and execution.

• Maintain high-quality documentation, knowledge articles, and operational procedures.

• Analyze trends and proactively identify areas for improvement.

To thrive in this role, you need to have:

• Fluent in English, with excellent stakeholder communication and leadership skills.

• Strong hands-on experience with multiple technologies, including:

  • Cisco, Fortinet, Palo Alto Networks (including Prisma Access and SASE)

  • F5 (LTM, GTM, ASM)

  • NetApp (advanced storage integration and troubleshooting)

  • SD-WAN solutions (e.g., Cisco Viptela, Fortinet SD-WAN, Prisma SD-WAN)

• Deep understanding of networking protocols (BGP, OSPF, NAT, VPN).

• Experience with monitoring and ticketing tools (e.g., SecureCRT, LogicMonitor, ServiceNow).

• Relevant certifications such as CCNP, PCNSE, Fortinet NSE 5+, or F5 Certified.

• A degree in IT/Computing or equivalent professional experience.

What we offer:

• Education to the extent of agreement with the immediate supervisor

• 5 weeks of vacation

• 3 Sick-days per Year

• Compensation of salary for temporary incapacity to work beyond the statutory wage compensation in the amount of the fixed basic salary for temporary absence to 21 days per year

• Notebook and mobile phone including data tariff according to company standards.

• Contribution to the pension insurance or Long term investment product

• Specified budget with regards to the predefined benefits packages (Premium health care / Benefits Cafeteria System / Multisport card)

• Refreshment in the office (coffee, tea, water) for free

Workplace type:

About NTT DATANTT 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 50 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 EmployerNTT 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.