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.
Key Responsibilities

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.

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" sustainably="" than="" the="" to="" top="" unmatched="" we="" well="" which="" with="" year="">

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client's needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com, @nttdatafed.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, .

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