Systems Administration Senior Associate - Network Security

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us.

If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Systems Administration Senior Associate - Network Security to join our team in Bangalore, Karnātaka (IN-KA), India (IN).

G5 – Network Operations Engineer (Intermediate L1 / Junior L2) Role Summary G5 engineers bring foundational hands‑on expertise.

They resolve moderately complex issues and help stabilize incidents before escalating to L2/L3.

Perform deeper L1 troubleshooting: Interface utilization / errors analysis Basic routing checks (static routes, OSPF neighbours’ status) VPN tunnel state checks Firewall rule verification (read‑only) Own incident tickets until resolution or justified escalation.

Work with ISPs to troubleshoot WAN link issues (CRC errors, flaps, latency).

Assist in executing standard changes under guidance (e.g., port configuration, VLAN assignment).

Support planned maintenance: device checks, pre‑/post‑validation.

Mentor G4 engineers and review their ticket quality.

Maintain network documentation and runbooks. <span style="font-family: Calibri

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 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 a part of NTT Group, which invests over $3 billion each year in R&D.