Systems Administration Senior Associate - Network Security

Systems Administration Senior Associate - Network Security

Req ID: 376093 

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.  

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Experience Level

Mid Level