Sandeep Tomar

• Company Overview: Presently working for CENCORA CLIENT
• Contribution to the establishment of security policies, standards, and guidelines for network architecture for data centre as well as for cloud
• Maintaining detailed documentation of network security architectures, configurations, and changes
• Used to do risk assessments and vulnerability analysis to identify potential security threats
• Creation of new VPNs like IPSEC VPNS, Route Based VPNs with static route and with BGP
• Certificate upgrade & I Rule creation for customers on Load Balancers Like F5, NetScaler, Brocade
• Working on NSX firewalls
• Provide training & guidance to L1 & L2 team and new joiners
• Managing the client data centre
• Migration of firewalls from CISCO ASA to Palo Alto & Fortigate
• Designing technical solutions for client data centre
• Incident management and escalation handling
• Creation of High/Low Level Designs to Cover all customer requirements
• Upgrade of firewalls like CISCO ASA, Fortigate & Palo Alto

• Managing the entire infrastructure of the Bharti Airtel
• Migration of legacy firewalls to next generation firewalls in the data center
• Managing the day today team operations
• Managing the devices like Cisco ISE, Radware DDOS solutions, ForcePoint Proxy solutions & Firewalls
• Restructuring of data center
• Creation and management of IPSEC & route based VPNs for customers
• Providing technical assistance to third party projects on behalf of Bharti Airtel Ltd.

• Lead Technical Discussions with Customer and capture customer requirements
• Create High/Low Level Designs to Cover all customer requirements
• High Level designs should cover Scope of Work, Assumption, Risks, Solution Overview, BOM and Estimated Effort
• Low level design should cover complete network details
• Work with project management teams to prepare Project plans
• Project plans should cover all activities required for project delivery and estimated time required
• Configuration of new firewalls (ASA, Palo Alto) and Load Balancers (F5 & NetScaler) for customers
• Used to review designs created by Consultants and Analysts
• Ensure quality of designs are of highest standard and solution does not contain any technical error
• Used to work on automation tool Skybox for pushing firewall policies and taking out different kind of reports for customers
• Created Various Network Maintenance plans for multiple projects
• Implemented various SSL VPN Profiles on Cisco ASA for third party vendors
• Worked on Firewall configurations as per the requirement on quite frequent bases
• Troubleshooting of Various Networks, IPsec and SSL VPN issues
• Involved in many SOC migrations & Network migrations
• Design many IT infrastructure for support companies as per their requirement
• Configuration of new IPSEC and route-based VPNs and their troubleshooting

Creation of new VPNs like IPSEC VPNS, Route Based VPNs with static route and with BGP

• Creation of New VIPs, Certificate upgrade & I Rule creation for customers on Load Balancers Like F5, NetScaler, Brocade
• Migration of data from legacy devices to new firewalls and Load Balancers
• Preparing devices uptime reports for higher Management through tools Like Zenos & NSCLI
• Giving trainings to new joiners to the team
• Lead Technical Discussions with Customer and capture customer requirements
• Used to work on automation tool NSCLI
• Involved in migrations for different customer projects

• Did POC of SD-WAN (Velo Cloud) for customers
• Did POC of Cisco Zero Trust solution
• Used to work on network monitoring tool OP-Manager for managing multiple MPLS links
• Used to work on different cyber security tools Like Power View, Blood Hound & Burp Suite for taking out vulnerability reports
• New VLAN creation on switches, new rule creation on firewalls & VIP configurations on F5 Load Balancer
• Providing access to users on wireless devices like Aruba Controllers and Aps, Cisco Meraki & Cisco WLC
• Work as L3 in incidence escalation matrix
• Handling different kinds of escalations from customer and resolve them on time

• Used to work on network monitoring tools Like StableNet & S.com
• Was the part of Data Centre Team
• Used to configure different cisco switches and routers for Data Centre
• New VLAN creation on switches, new rule creation on firewalls
• Used to provide various kinds of reports like device uptime report, link uptime, vulnerabilities on devices, high CPU utilization on servers, top talkers to higher management on monthly, quarterly and on yearly basis