Systems Administration Senior Associate - Network Security

Req ID: 376092 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. . NTT DATA endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here . If you'd like more information on your EEO rights under the law, please click here . For Pay Transparency information, please click here .