Shishir Srivastava
*******.****@*****.***
Location: India, Gurgaon
Professional Summary
14+ years of extensive hands-on experience in Core Network Technology Design & Implementation. Troubleshooting Designed, installed, configured, and maintained complex routed LAN and WAN networks. Supervised permanent and contract personnel. Excellent communication skills with the ability to communicate at all levels
Various roles including:
oNetwork Design Sr. Advisor
oRegional Network Engineer – APAC
oAssistant Manager – IT
oSystem Administrator
Technical Experience
Cisco Routers 1800 / 2800 / 2900 series
Cisco Switches C2960 / C3560 / C3550/ C3750G / C3750X / C3850, Cisco Nexus 5k, 7K, 2K
Cisco Wireless Control System – Lightweight APs (1200 / C1602I/ 1142N, 2600, 3600, 1800) and controllers CT5508, Cisco Meraki – Cloud based Wireless, Meraki AP – MR34, 42, 44
M86 Secure Gateway/ Fortinet Firewall (300A/100A/110C/60B)/Palo Alto
SD-WAN: Talari Networks, VMware Velo Cloud, Silver Peak
Routing protocols OSPF / EIGRP / BGP
Switching: STP, HSRP, VRRP
ACL / Route-maps/ Prefix List
DC Tech: - VPC, VDC, VXLan,
WhatsUp Gold / NetFlow Analyzer /Entuity
Active Directory, Sophos Anti-Virus
Citrix Metaframe / Presentation Server 4.0 / 4.5 / Citrix Access / Secure Gateway
Vendor Management
Project Designing & Planning
Telecommunication
Service Delivery
IT Service Management
Work Experience
Facility: DXC Technology (AT&T) Mar 2021 - Present
Position/Title: Sr. Network Design & Optimization Engineer
Primary Responsibilities:
Working as Tech. Project Lead engineer for DXC clients (MFI, HPE, HPI)
Understanding projects requirements
Prepare HLD & LLD for New implementation, addition, reduction, changes.
Prepare Heatmap for wireless implementation
Migration of legacy WAN over SD-WAN solution & UAT testing
Security design for Zone, DMZ & Local internet breakout (Firewalls)
Design review and eliminate single point of failures
Support L3 & L2 team for implementation and troubleshooting
Prepare BOM and attending client approval meetings
Creating SOPs for operational support.
Manage technical network solutions and frameworks
Perform network troubleshooting to isolate and diagnose common network problems
Upgrade network hardware and software components as required
Perform network planning, modeling, and analysis
Install and maintain hardware such as cables, hubs, routers, and wireless adaptors
Analyze business requirements to develop technical network solutions and their framework.
Develop test plans, implementation plans, and project timelines for various projects.
Perform network troubleshooting to isolate and diagnose common network problems.
Upgrade network hardware and software components as required.
Solve complex problems with many variables.
Facility:
NTT DATA Services
2016 - 2021
Position/Title:
Network Design Sr. Advisor
Primary Responsibilities:
Worked as Network Lead (SME) – (Clients: MKS Instruments, O&M, Matthews, Trafigura)
Network Infra Support (Design, implementation & Support)
Network Service Delivery (Meet the requirements, SLA, Project Timeline, etc.)
Remediation & Improvement works.
Team Management for 24*7 Coverage
Noida Data Centre Migration & Consolidation Project
Currently assigned for New Plano DC Designing & migration.
Worked on Noida 125 DCM Exit and Consolidation with Noida 144 DC projects. Which include HLD, LLD Design, Security Design, Implementation and Migration Plan.
Noida 125 ODCs Movement Project (Part of DCM).
Nexus Deployment for vCenter Environment.
Project Discussion at initiation phase
Project Planning with relevant stakeholder which includes cost, schedule and scope deliverables
Procurement plan, negotiations with vendor on procurement.
Pre-UAT & UAT Planning & Testing.
Facility:
Dell Services
2014 - 2016
Position/Title:
Network Design Advisor
Primary Responsibilities:
Dell Business Account Transition & Automation Project
Worked as a Transition Engineer role for Cottage Health account.
Successful Transition for CH with network planning and integration.
Provided many network SOPs to automated Level 1 & some Level 2 tickets.
Worked with Scripting team for successful automation for each network tasks.
Leverage & Corporate Network Support
Handling Client’s & Dell Corporate Networks.
Providing extended support to decrease the down time.
Regular update the LLD & HLD designs according to new implementation.
Design & Implement new projects with advance tools and technology.
Performs complex technical analysis of software, hardware, and network systems, LAN/WAN communications, network nodes, switches, and various transmission systems.
Plans, designs, and implements networked systems, including configurations, supporting/troubleshooting network problems and coordinating with vendors for installation of such items as routers, switches, etc.
Follows change management process to maintain the standards.
CHP (Catholic Health Partner) Operation Support
Technical lead duties and management of technical projects for Clients.
Plan, design, implement, configuration and support major network projects and systems including WAN, LAN, WLAN, data circuits, routers, switches, Firewalls & Load Balancers.
Maximizing network performance by monitoring performance, troubleshooting network problems and outages, scheduling upgrades and collaborating with network architects on network optimization.
Plan, design, implement and support external communications including DMZ and Firewall.
Follow the Incident & Change management process (BMC Remedy Tool).
Develop procedures and policies for new service turn-ups, service level agreements, and network security.
Create and maintain process documents to ensure consistent with company policies and procedures.
Maintaining multi-site network operations & Network monitoring and incident response.
Perform scheduled and emergency network maintenance.
Analyze service trends, provide recommendations and implement changes.
Managing assigned projects and program components to deliver services in accordance with established objectives.
Liaising with project management team, 3rd line engineers and service desk engineers on a regular basis.
Facility:
Carlson Wagonlit Travel
2007 - 2014
Position/Title:
Regional Network Engineer - APAC
Primary Responsibilities:
Major Projects Handled:
Data Center (Singapore & Australia) Consolidation & New network implementation for Philippines (Manila) Indonesia & Thailand Network Integration Project
Successfully Setup Indonesia-JKT & Thailand-BKK Network with CWT Implemented iBGP, eBGP & GRE over IPsec Technology to route different networks from different path for load balance.
APAC BCP Implementation Successfully remediated single point of failure such like: Single wan circuit, PRI Lines, Domestic MPLS circuit Leased Line, Router, Switches, and Firewall etc.
India BGP Implementation Successfully implemented BGP for all India Sites to enhance network connectivity, performance & auto failover. BGP implementation with two different ISPs for Primary & Backup Scenario.
GRE Over IPsec Tunnel Implementation for APAC. Successfully configured & Implemented GRE Over IPsec-Tunnel for all APAC Sites (Configuration of FortiGate Firewalls/Router for VPN connectivity at all sites) to route entire traffic at time of emergency.
Global Service Centre (GSC) For CWT in India, Gurgaon. Successfully Implemented GSC-India (Global Service Center) Project for CWT (Asia pacific). Successfully Installed & Configured Cisco Layer 2 Switches (2900, 1800) & Layer 3 Switches (3500, 3700), Cisco Routers (1800 & 2800) & FortiGate 300A Firewalls. Successfully Created Secure VLANs for DATA & VOIP. Data Connectivity Testing successfully done for India, Singapore-DC & Australia-DC.
Profile:
Designing and implementing CWT offices infrastructure
Managing and Maintaining APAC 9 countries network including Data Centers,
Managing APAC Cisco Routers, Switches PRI Lines, Leased Lines, AT&T & Bharti MPLS Circuit.
Network Management through Networking Tools like WhatsUp- Gold, Switch port Mapper, Bandwidth Monitoring Tools (NetFlow).
Configuring and implementing Remote Access Solution: IPsec VPN, SSL VPN, Citrix Access Gateway, Citrix Secure Gateway
Implementation of HSRP and GLBP.
Configuration VLANs, VTP, EtherChannel & Voice VLANS.
Troubleshooting & Configuration of BGP, IP-Sec VPN Tunnel, for site connectivity and autofailover.
Configuration & Troubleshooting of Wireless Controller 5508 & Access Points 1142, 1200, C1600,
Implemented traffic filters using Standard, Extended access-lists, Route Maps & Prefix List
Managing CWT’s Network & Security through Cisco ASA (Secure DMZ & PCI Zones), Palo Alto, Cisco ACL, Cisco ACS (Tacacs), M86 Access Gateway & FortiGate Firewall according to daily Network Report.
Follow both customer and company standard & Change Management.
Data connectivity and quality standards.
Building and maintaining Visio documentations for Client
Facility:
Regal Information Technology
2006 - 2007
Position/Title:
System Administrator
Facility:
Verity InfoTech Private Limited
2006 - 2006
Position/Title:
Customer Support Engineer
Education
Bachelor of Science, Avadh University Faizabad, Uttar Pradesh.
12th from UP Board.
10th from UP Board.
Certifications
Cisco Certified Internetworking Expert (CCIE-Written)
Cisco Certified Network Professional (CCNP-R&S)
Cisco Certified Network Associate (CCNA-R&S)
Six Sigma Greenbelt Certified.