Nalin Kumar
Network Security Consultant
Noida
Summary
Overall 9 years with extensive knowledge in all phases of network architectural design, development and deployment. Expert level analyzing, designing and implementing global enterprise networks with cloud based multi-tier architecture. Effective managing troubleshooting and strong understanding of network Next-Gen Firewalls, switches and appliances, evaluating and improving existing system with new features.
Overview
9
9
years of professional experience
4
4
years of post-secondary education
7
7
Certificates
2
2
Languages
Work History
Technical Lead
Wipro Technologies
06.2022 - Current
- India
- Client: ANZ Bank
- Team Size – 30 (Onsite)
- Responsibilities - Acting as a point of contact for any network related communications of client.
- Responsible for overall management of Change process in a ITIL environment
- Handling daily status calls with Business Leaders and review meetings
- Handling multiple project design, implementation and support till Go-Live.
- Performing security audit related mitigations and design implementations.
- Engage various teams and platforms to effectively mitigate network issues in datacentres.
- Technologies include Cisco R&S, Nexus, Palo Alto Firewall, Checkpoint Firewall, AWS Network, Load Balancer, Wireless and Algosec.
Technical Specialist
HCL Technologies
01.2021 - 06.2022
- India
- Client: Goodyear Tire and Rubber Company Team Size - 25 (Offshore - 18Onsite -7)
- Role - SME
- Responsibilities - Team Management - Handling people management responsibilities for 18 offshore team members and 7 onsite resources.
- Providing on time deliverables to customer as per SOW, keeping SLAs, SLOs and SLIs intact.
- Closing monthly, quarterly and annual reviews for offshore engineers. Sharing 1-1 feedback with team on regular note.
- Delegation of work according to individual expertise.
- Training entry level engineers for basic concepts and walk through to client environment.
- Sharing process improvement for better and smoother execution of operational activities.
- Presentation of weekly and monthly Incident, Change and Service requests reports for internal and external stakeholder meetings.
- Presentation of Continuous Improvement Plan for team members on monthly basis.
- Preparation of SOP for smooth operations reducing dependency of engineers.
Hosting/Presenting and CAB on behalf of customer. - Preparation of shift roster as per 24x7 support environment. Helping team on escalated cases related to incidents, changes and service requests.
- Reviewed technical documents and collaborated on customized design to achieve process improvement and compliance
- Managed multiple high-priority projects simultaneously, consistently meeting deadlines while maintaining attention to detail
Senior Network Security Consultant
AT&T Communication Services India Private Limited
02.2018 - 01.2021
- India
- Client: Goodyear Tire and Rubber Company
- Team Size - 24
- Responsibilities - Preparation of weekly and monthly Incident
Change and Service requests reports for internal and external stakeholder meetings. Preparation of Continuous Improvement Plan for the team members. Preparation of SOP for smooth operations reducing dependency of engineers. Attending weekly and monthly client and internal calls. Preparation of shift roster as per 24x7 support environment. Troubleshooting escalated cases related to incidents - Changes and service requests. Management of a critical Firewall for a critical plant. Working on emergency requests asked by Goodyear Telecom Engineers. Managing the Service requests and Changes according to the ITIL Process. Review services requests before and after the implementation in order to avoid human errors. Review tickets to make sure Doer-Checker process is followed to minimize human errors.
- Improved client satisfaction by effectively managing multiple projects and consistently meeting deadlines
Network Service Delivery Consultant
DXC / EIT
05.2017 - 01.2018
- Client: Goodyear Tire and Rubber Company
- Team Size - 24
- Role- SME
- Responsibilities - Log Collection to troubleshoot user end site issues and determine the root cause of the problem. Performed IOS upgrades on CISCO Routers/Switches
- Firewalls and f5 devices. DNS and DHCP Server Management using MMC or CLI. Management of f5 virtual servers pools and certificates.
- Management of Cisco ASA 5525, 5525-X for managing DAP policies for Remote Access VPN to the users.
- Management of Cisco Firepower Threat Defense FTD, Cisco FMC and Cisco CSM for LAN Segmentation. Management of Juniper Firewalls using Network and Security Manager.
- Management of Checkpoint Firewalls versions - R77.30, R80.10 and R80.40.
- Management of Bluecoat Proxy SG, Bluecoat Director and Symantec Management Console for configuring backup and trouble shooting issues.
- Management of Cisco 1800,1900, 3900,4300, 4400 series routers. Management of Rockwell Industrial Switches. Management of Cisco 2960, 3560, 3750, 4500, 6500
Nexus and Industrial series switches. Management of Cisco Wireless LAN Controller 2500 and 5000 series. - Backup of IOS configuration & hardening of Network devices as a part of Enterprise Vulnerability Management. Regular participation in the Change Advisory Board Meetings.
- Conducted thorough post-project analysis to identify lessons learned, best practices, and areas of improvement for future engagements
Network Security Engineer
Softtek India Pvt. Ltd
09.2015 - 04.2017
- India
- Client: One of the biggest game content provider
- Description: Worked as Senior Network & Security Engineers for one of the biggest game content provider both online and offline having global presence; responsible for managing their 30 Data Centers hosting all their online services.
- Responsibilities: Responsible for managing connectivity at all the data centers. Configuring load balancers for VIPs and all the certificates for the new servers. Maintaining the restricted access to the PCI infrastructure.
- Managing and troubleshooting the DMVPN VPN connectivity between the various data centers.
- Configuring/managing the firewall access rules to ensure restricted access for the 3rd party vendor to the infrastructure.
- Modifying the route policy to drain the traffic to the alternate/backup path in case of any issue on preferred path.
- Modifying the access-lists on the routers and firewalls as per the requirement of the customer.
- Managing & troubleshooting the IPSEC tunnels with various customers & business partners configured on Cisco ASA.
- Managing & troubleshooting the Remote access VPN to allow users to connect to the enterprise network.
- Management of Arbor CP tool which is used to blacklist malicious IP being routable within the infrastructure.
- Configuration management & implementing approved changes. Working on events generated by the network devices.
- Working with OEM / 3rd party vendors for problem resolution and break fix resolutions. Doing network monitoring for entire network with NMS tools like CA Spectrum, Nagios, SevOne & Prevail Netflow Analyser.
- Optimized network performance through effective monitoring and troubleshooting of security devices
Education
B. Tech - CSE
D J College of Engineering And Technology
UttarPradesh 06.2008 - 08.2012
Skills
Next-Gen Firewall - Cisco FTD, Checkpoint, Paloalto
Cisco ISE
VPN - IPsec S2S, DMVPN, GRE, GRE over IPsec, Remote Access SSL VPN
Load Balancer - F5, Citrix, Radware - LTM and GSLB
DataCenter Technologies - VPC, VDC, VXLAN, OTV, Fabric path
Symantec (Bluecoat) Proxy, Zscaler
Routing and Switching - HSRP, EIGRP, STP, VTP, VLAN, OSPF & OSI and TCP/IP model
Additional skill - AWS Cloud - NCAL, EC2, ALB, GLB, SG, Route53, IAM
Tools - Algosec, Wireshark Packet analyzer, Splunk, SNOW
Troubleshooting and Monitoring
Certification
AWS Certified Solution Architect Associate
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
Technical Lead
Wipro Technologies
06.2022 - Current
Technical Specialist
HCL Technologies
01.2021 - 06.2022
Senior Network Security Consultant
AT&T Communication Services India Private Limited
02.2018 - 01.2021
Network Service Delivery Consultant
DXC / EIT
05.2017 - 01.2018
Network Security Engineer
Softtek India Pvt. Ltd
09.2015 - 04.2017
B. Tech - CSE
D J College of Engineering And Technology
06.2008 - 08.2012