Senior Officer, Network Engineer L3, Technology and Operations

Business Function
Technology and Operations (T&O) enables and empowers the bank with an efficient, nimble and resilient infrastructure through a strategic focus on productivity, quality & control, technology, people capability and innovation. In Group T&O, we manage the majority of the Bank's operational processes and inspire to delight our business partners through our multiple banking delivery channels.

Job Purpose
To manage Network infrastructure for Bank & making infra available for business with high availability along with internal & external connectivity.

Essential Requirements
Key Accountabilities

• To manage, handle network infrastructure for bank

Job Duties & Responsibilities

• Network monitoring via Network monitoring tools DBS owned
• Network devices addition/deletion in Network monitoring systems & tool (NMS)
• Internal ticket logging and resolving tickets received to Network team for various incidents
• Coordinate with external vendors for links (service providers)
• Logging calls and raising TAC cases with Network vendors for hardware issues
• Follow up and closure of tickets raised in internal systems
• Raising Change request for internal changes and preparing standard Implementation Plans
• Monthly, weekly Network and Network security devices back up manually and via Tools
• Weekly, Monthly Network capacity reports preparation using reports dump from NMS
• Daily report preparation on core network status and publish to internal stake holders over email
• Maintaining Network SLA report for Links and TAC Calls
• Participation in Monthly review with network vendors and service providers, Validation of SLA reports
• Checking logs on devices for errors/alerts received in NMS, Taking corrective actions for alerts
• Understanding & hands on Infoblox, Configuration of grid, managing DHCP services
• Deep understanding & hands on Network protocols (OSFP, BGP, ISIS, PAGP, LACP)
• Understanding & Hands on VPN tunnels (GRE / IP Sec)
• Good understanding & hands on switching protocols configurations and troubleshooting VLAN (L2/L3),
• VTP, STP, Stacking, Ethernet channel
• Deep Understanding & hands on security products and firewalls checkpoint, Juniper, Palo Alto, F5, WAF
• Understanding & hands on WAF,Node, Pool Member, Virtual Server Creation, SSLOffloading, Version upgrade
• Understanding & hands on Checkpoint & palo alto Firewalls, SSL VPN, IPSEC VPN, Access rule and NAT configuration, IPS Policy fine-tuning End Point Security – Sandblast deployment, L3 VLAN Creation, Log review
• Understanding & hands on Forcepoint, Policy Creation, URL enablement, Policy review
• Understanding & hands on Web DLP, Policy Creation, Reduction of false-positives by validating the alerts
• Responsible for Configuration, Installation and troubleshooting of network devices in Data Center and branches
• Upgrade IOS or code of router and switches and firewalls
• Implements changes to Network infrastructure hardware in order to correct errors or enhance functionality
• Administration experience in Cisco ISE, policy creation, posture & Tshoot hands on, Cisco wireless infrastructure & Sponsor portal
• Network troubleshooting and Analysis tools including Wireshark
• Responsible for checking the Log, Maintenance of Backup etc. for Security and Network Devices which are available in Syslog Server
• Ability to Gather Technical information at shortest possible time for troubleshooting tickets
• Ability to provide detailed written responses to technical requirements
• Understanding of multiplexing technologies, Independent problem solving
• Should work with security team for VAPT and closure of highlighted points

Required Experience

• 10-12 years of Network field experience with Network security devices hands on

Education / Preferred Qualifications

• Bachelor's Degree/Diploma from Govt. approved university
• Certifications like checkpoint & palo alto added advantage

Core Competencies

• Network security experience with Checkpoint, Palo alto, Cisco ISE & F5 hands On

Technical Competencies

• Network security experience with Checkpoint, Palo alto, Cisco ISE & F5 hands On

Work Relationship

• To manage, handle network infrastructure for bank

Primary Location
India-Maharashtra-Mumbai

Job
Technology

Schedule
Regular

Job Type
Full-time

Job Posting
Nov 26, 2025, 6:46:37 PM