Systems Administration Senior Associate - Network Security

NTT DATA BUSINESS SOLUTIONS; Bengaluru; On-site; INR 600,000 - 900,000; Full time

Job summary

NTT DATA BUSINESS SOLUTIONS in Bengaluru is seeking a Systems Administration Senior Associate - Network Security to join our team. The role focuses on foundational hands-on network operations and security monitoring, with opportunities to mentor junior staff.

As a G5 Network Operations Engineer, you will resolve moderately complex issues, stabilize incidents, and perform deeper L1/L2 troubleshooting while coordinating with ISPs and incident management teams.

Qualifications

• Resolve moderately complex network issues and escalate when needed.
• Support in stabilizing incidents before escalation to L2/L3.

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.

Skills

Network troubleshooting

VPN

Firewall rule verification

Incident management

WAN troubleshooting

Documentation

Mentoring

Job description

Job Summary

We are currently seeking a Systems Administration Senior Associate - Network Security to join our team in Bangalore.

Role

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.

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.