SUMMARY

• About 13+ years of professional experience providing technical solutions, Enterprise Operational Support. Data center operations support in large enterprise networks and environments including the implementation and support of private and hybrid cloud computing environments.
• Telecom IT experience in Anti - Spam, Malware, Anti-Fraud Analysis, creating Policy Design and Blocking Spam, Phishing and Malware in SMS and MMS.
• Installing & configuring components with Hybrid Circuit/Packet-Switched networks, SMS, MMS, HLR, HSS, GGSN/PGW/PCEF, SGSN/SGW, SMSC, & IMS and DRA (Diameter Routing Agent).
• Worked on Wireless technologies standard protocols 2.5G/3G/LTE/Wi-Fi/ WiMax/Antennas/Amplifiers & Base station, networking elements, interface & protocols, IPv4/v6, TCP/UDP, SSH, SSL/TLS, and DNS with knowledge of test and emulation equipment for mobility networks.
• Experience in Send mail, SSH, NFS, DNS and DHCP Unix server and process to gather KPIs for Dashboards, management level summary reports, insights/Analytics Scripting temporary work abounds for production issues and providing feedback to platform engineering teams for product/service improvements and to meet Tracking SLA violations and escalations.
• Hands on infrastructure/cloud migrations, infrastructure disaster recovery planning & implementation.
• Hands on in enterprise security, Advanced Persistent Threat (APT) Attack Protection and distractive Malware and Ransom ware, Cloud Architecture security and Open Stack, service virtualization, Network Function Virtualization (NFV), Software Define Network (SDN), Hypervisor, Virtual Machine Security, Operating System & API Security and Cloud Open Stack/AWS Data Center Virtualization.
• Experience of Open Stack Cloud, KVM hypervisor, Open Daylight SDN, VMware vSphere 6, vCloud, ETSI ISG NFV Platform Standard and 3GPP telecom technologies architecture. Also working on OPNFV platform with Open stack including Open Day Light SDN Brahmaputra Beta release.
• Working knowledge of infrastructure architecture, Database architecture and networking advance networking, security, clusters, Disaster Recovery planning, performance tuning, backup strategies and monitoring the data.
• Understanding of Computer Network Operations (CNO) Computer Network Attack (CNA) Computer Network Defense (CND) Computer Network Exploitation (CNE) technologies and best practices from industry and their practical application to hybrid cloud computing technologies such as automation and virtual image migration.
• Experience in Troubleshooting, Root Cause Analysis, for Network EMS, OSS, BSS and NMS Systems.
• Experience in vendor management, Ericsson, Nokia Siemens networks, F5, Big-IP, Cisco, Oracle & Alcatel lucent.
• Having good analytical and problem-solving skills with technical leadership& strong communication skills.
• Honest, dependable, hard-working, leadership ability and committed to top quality work in tight schedule.

TECHNICAL SKILLS

Operating System: SunSolaris8/9/10, Linux, Red hat, Windows 2000/2003/2008 Server.

Languages/Database: Xml, HTML, Ruby, Python, Perl &Oracle/MySQL

Software Tools: PUTTY, WIRESHARK, OPNET, VERITAS Volume Manager (VxVM), VERITAS Cluster, VERITAS File System.

Network Services: TCP/IP, SSL, HTTP’s, SNMP, E1, Ethernet, Hubs, Server, Switches, Routers, NFS, NIS, DNSDHCP, RADIUS, DIAMETER, DNS, UDP, LDAP, F5 Load balancer.

Remote Access Tools: PC-anywhere, VNC Viewer and Terminal Server.

Wireless Technologies: GSM, CDMA, GPRS, HSDPA, UMTS, EVDO, LTE, WiMax, SDN, NFV, VCloud, Big-Data

Hardware: Sun Enterprise server, E250, E450, E3500, E4500, T5210, Sun Ultra5 /10, Power Edges 2950,830, HP Dl 380, 360, IBM-XSeries 2000, ProLiant Server and HP Servers & Linux.

Network Technology: Routing Protocol-OSPF, BGP & RIP, Firewall, LAN/WAN, Leased Line, Cisco RoutersSwitches, PIX &Call Manager F5Load balancer, Big-IP, Citrix server, Mugs and Multiplexers.

PROFESSIONAL EXPERIENCE

Confidential

Principal consultant

Responsibilities:

• Designing Network for Cloud using OpenStack (Nova, Horizon, Heat, Neutron, Cinder, Glance, Swift etc.), Mirantis Fuel, VMware, Open Contrail, Open flow, KVM, OpenvSwitch, DPDK, SR-IOV, SDN, NFV.
• Experience in Unix\Linux system scripting and automation with scripting OpenStack, Cloud Stack and KVM/Libvirt API's. Using tool-of-trade with Python Perl, Shell.
• Working on hypervisor configuration (KVM, XenServer,), Essex/Folsom, Nova, Cinder, Glance, Keystone, Swift, Storage protocols (NFS, iSCSI, FC), and virtual networking and storage configuration, MySQL, Python, and IP Tables.
• Maintain f DNS, DHCP, proxy functions (forward and reverse), security protocols (IPsec, MACsec, SSL, GET VPN), time protocols (NTP)and IP Routing, HTTP, VPN, Email Routing, SPAM, etc.
• Experience with routing protocols including OSPF, IGRP, BGP, EIGRP and understanding of IP addressing including IPv4, IPv6, RFC 1918, NAT, PAT.
• Maintaining multi-site network operations and software applications, operating systems and regular maintenance with both Private and public facilities.
• Troubleshooting malfunctions of network hardware and software applications, telephones and security systems to resolve operational issues and restore services.
• Working with mix vendors for node like Cisco, Juniper and F5. Dealing with all the Cisco boxes such as 3800, 6500, 7200, 7600 and Nexus 7000 installing, configuration and implementing the changes as per the requirement from the NP&E team.
• Working on F5 Load balancers Big IP VIPRION for the LTM/GTM traffic management. We manage and implement changes on the F5 as per the design requirement in the network
• Efficiently using Junipers MX960 the SDG (service delivery gateway) for ADC (Application delivery controllers) and TLB (traffic load balancers) services. It also consists of the capabilities such as routing/switching, NAT, HA, Stateful FW and DNS cache.
• Configure and setup Cisco ASA, Check Point/ Palo Alto Firewalls, VPN Concentrators and Security appliances for access to business applications.
• Performing fault isolation, validation and some repair for supported network nodes, escalating and tracking advanced repair to specialized teams
• Accountable for the rapid assessment of both the nature and severity of customer problems to evaluate appropriate response, engages various support organizations to provide that response.
• Assisting and supporting the engaged support organizations to reduce duration and severity of customer impact and/or loss of redundancy.
• Design AWS based Provisioning (AMIs, EC2, S3, EBS, RDS, Cloud Watch, CloudEdure, Cloud-Formation, Security Groups, Network Routing/ACLs, VPC, ELB/ASGs, Redshift).
• Design, develop, and operationalize Continuous Integration, Continuous Deployment, and Continuous Delivery solutions.
• Responsible for 2000+ servers and 400+ network elements across seven data centers and 100+ servers in various labs.

Confidential

Sr. Technical specialist

Responsibilities:

• In Tier 2/3 team for SMS, MMS and Anti-spam security operational support & Monitor and Deliver over 150 million messages a day between MMS and SMS via email.
• Hands on experience with Continuity of Operations(COOP)environment, build out of Network Operations Center (NOC) and a Security Operations Center (SOC)
• Administration, monitoring, alarming, and KPI scripting of Nokia Siemens MMSC, ECA, Open wave SMTP, Cloud mark Ant spam, AGW, and NEMS platforms & prevention AS for email to SMS/MMS and vice versa.
• Analysis and problem solving issues dealing with LTE, 3g, SMTP, MM4, ICMMS, ECA, MMS, and spam.
• Working with LAB & Network and Planning Team to provide technical support to restore the services & responsible for investigation & updating management for all follow-up activities in Operations, support ticket triage, RCA’s, Resource Leveling and Managing handoff between disparate global staff.
• Maintaining the SMSC and loading the LCR in SMSC table and monitoring the routing performance of the hubs and SS7.Analysing the Data report and monitoring the GGSN and SGSN of the GSM.
• Managing KPI pages, Servers, Networking tools & monitor Big IP, F5 load balancer, Open wave and send mail server, Volte & CPM nodes, MMS, SMS, Anti-spam, and Security work queue’s performance proactively.
• Data Network Security--Nationwide deployment of security servers to address security threats and vulnerabilities of Packet Core Network and its subscribers includes Anti-fraud, Anti-spam, Antivirus, IPS and other solutions.
• Experience in designing technical architecture, solutions & System implementation/integration within Mobile Networks like GSM,GPRS,UMTS, network security & Mobile Data Application layer (MMS,SMS, Voice, Web/WAP).
• Worked on Sigtran / SS7 (architecture, call flows and configurations), STPs, SMSCs, Message Gateways etc., SMPP, Diameter, MMS, Email.
• Reviewing changes of network configuration for technical accuracy impact and provide Multi-Protocol Network problem resolutions. & handling SW in a production environment & responsible for System Acceptance Testing, Load balancing.
• Experience with infrastructure/cloud migrations, infrastructure disaster recovery planning & implementation
• Knowledge of CND/CNA technologies and best practices from across industry and their practical application to hybrid cloud computing technologies such as automation and virtual image migration
• Responsible for maintaining, monitoring all KPIs pages status & providing statistical analysis and reports for projects and writes script in PHP and Perl for automation.
• Currently involved in Integrated Cloud platform using Open stack tools and Contrail (SDN controller) to manage vRouters over commodity hardware. First virtualization project called vEPC under its domain 2.0 program. Installing vCenter servers, creating virtual machines (VMs), hosts, clusters and network.
• Involved in Technology Transformation from Physical distributed computing to Virtual & Cloud based solutions including OPNFV (Open Platform for Network Function Virtualization) NFV and Software Define Networks (SDN).Hand on in Ericsson OSS (Operation Support System) for LTE (4G) and 3G Mobile Wireless, UNIX System and OSS application upgrades, commission of OSS Project work on Solaris/Linux platform.
• Design, create, communicate and execute the Enterprise Private, Hybrid and Public Cloud Strategy for enterprise clients, both internal, hybrid and external, and all cloud service types; IaaS, PaaS, and SaaS, and different platforms such as: Amazon Web Services, Microsoft Azure, Rackspace, Google Cloud, Open Stack, and other Cloud integration technologies.
• Sound Understanding of deploying Amazon Web Services (AWS) public cloud infrastructures and a understanding of existing AWS technologies such as Cloud Security, Network, Cloud Integration, Active Directory, SSO, Compute, Storage, Database, Monitoring, Cloud Tools and Other AWS Services, Automation Tools (Chef, Puppet, Jenkins)
• Hands on Systems administration (Linux and/or Windows), Networking (DNS, IPsec, BGP, VPN, Load Balancing), Databases (MySQL, Oracle, MSSQL), Programming / scripting (PowerShell, Java, Perl, Ruby, C#, and/or PHP)
• Expertise in Systems administration (Linux and Windows), Networking (DNS, IPsec, BGP, VPN,LB’s, Databases (MySQL, Oracle, MSSQL), Programming / scripting (PowerShell, Java, Perl, Ruby, & PHP)
• Member of core team for Network Virtualization for SDN and NFV. This virtualization not only virtualized UNIX/Linux Operation system or Applications but also covers Network elements e.g. Network switches, Firewall, Routers, SMS, MMS, MME Telecom devices virtualizations. We are moving from Proprietary vendor devices (physical distributed) and application into Virtualization and Cloud solutions, apart from experience of vEPC, vIMS and VoLTE telecom components.
• Perform on-call responsibilities for production support of Matson enterprise infrastructure as needed. This may be required on off-hours or on weekends.

Confidential

Sr. UNIX Administrator

Responsibilities:

• Experience in installation, configuration, operation and maintenance of hardware/software/applications, multi-OS Environment like Windows/UNIX/Linux systems. Administration of network technologies,Switches,Routers,Load Balancers,(LB), Firewalls(FW),Server building scripts & configuration of large Heterogeneous Environments.
• Installation, configuration, maintenance& administration & Monitoring of UNIX (Linux/Redhat/Sun Solaris 8, 9 & 10 servers running on Middleware Architecture which includes Troubleshooting, Configuring FS, Cron jobs, Patches/Firmware up gradation and system monitoring.
• Analysis, Configuring, Troubleshooting of Sun Servers (i.e. Sun Fire E15K, E25K, V880, v440, E240, E6900, Ultra 5/10 servers) Patches/Firmware up gradation to reported vulnerabilities on the UNIX servers and standard applications as per business requirements.
• Creation of Veritas Cluster/Volume Manager/File Systems & Create/modify Cronjobs for system monitoring & Troubleshooting, configuring File Systems as required for load balancing/customer meets.
• Actively involved during the Change Management Work Orders and all maintenance activities for UNIX servers; Bouncing midrange servers using UNIX shell scripts & via cron in all environments.
• Writing system admin scripts for system automation; reduce the outage and downtime.
• Coordinating application/DBA team in up gradation, patch installation, backup management and provide active support to troubleshoot the problems from PSA side.
• Documentation for problem/alert resolution towards midrange servers issues to reduce the mean time to resolution. Disaster management planning, communication recovery method to customers as per organization policies and implementation for necessary risk avoidance.
• Disaster management planning, communication recovery method to customers as per organization policies and implementation for necessary risk avoidance.
• For disk additions coordinating with Datacenter and FEs and configure in Volume managers as per requirements and frequent participations in Decommissioning of servers.
• User Management, Routine system tuning and pruning, OS Maintenance. Applying patches for operating system and also for applications.
• Managing Calls like production Server, Domain controller down, File system corruption on production server and production major H/W failure.
• Planning & implementing fixes / Patches, Complex Health Checking, Analyze Problems & escalate to appropriate Levels.
• Work with Change & Problem Management Tools and Create regular reports for Management requirements.
• Daily monitoring, support and performance tuning solutions, troubleshooting of any hardware, software and application issues.
• Administration and troubleshooting Network services and ensuring system availability in Real time application environment.
• Clear and online the resource group in VCS and Failover the service group from one node to other and test
• Online the Mount point and VG manually on node
• Problem determination and resolution within Expected time frame and Perform Root Cause Analysis for the incidents and Identify, recommend, improvements to existing processes and escalations handling.
• Ensure the Service Requests and all pre-requisite checks are followed diligently.
• RCA preparation and meeting SLA for RCA submission.
• Administration, Installation, configuration & up gradation of Veritas volume manager (VxVM) and Veritas file system and hardware and software technical support. With Clear mount online resource group in VCS and Failover the service group from one node to other.
• Frequent training of co-workers and new Team members
• Worked with Change & Problem Management Tools to create regular reports for Management requirements.
• Installation & maintain patches (bundles) in network elements (all layers), OS, server, EMS, applications.
• Involved in Advanced troubleshooting, Root Cause Analysis, Trouble Investigation for Network EMS systems
• Possess good Telecom Project Management skills, application and Methodologies and have good working knowledge of Project Management Tools.
• Work closely with the Production Operations team and Enterprise Architecture team to ensure optimal design for application performance and availability.
• Utilize high degree of expertise in current data center and end user computing technologies, including disk and all flash based storage, backup and recovery technologies, infrastructure security technologies, server, network, virtualization, cloud concepts, software-defined data center concepts,and competency to work on broad, highly-visible, strategic projects in an extremely complex and evolving technical and business environment.

Confidential

Sr. System/Network Engineer (Data Center)

Responsibilities:

• Responsible for Designing & Managing network of approximately 3500 computers in heterogeneous environment Windows and Linux. Anti
• Designing and implementation of Active directory Structure (Additional Domain Controller and Child Domain Controller), Schemas and Access log verification for security, analysis.
• Implementing Active Directory, user specified policies on the Net screen Remote Desktop Services, Direct Access, Clustering, Network Access Protection, Dynamic Access Control, Direct Connect, and others.
• Designing of Datacenter infrastructure including DNS, DHCP, NTP, SMTP, Security (Anti-virus software & Appliance like Symantec, Trend Micro & complex multi-domain.
• Installation & configuration of Server for various groups and maintaining servers (Solaris, Windows 2003, Exchange, DNS, and DHCP); managing applications, Packages, applying patches & third party software.
• Monitoring Performance of virtual Memory, System Events, managing Swap Space, Disk and CPU Utilization.
• Hands on experience on Windows 2003 Domain Control (DC), & manage DC & ADC live Confidential central Location and remote location.
• Monitor E-mail messaging to internal and external domains (internet), SMTP messaging & taking back up.
• Worked on System services, troubleshooting, backup planning, performance tuning, daily checking of log file system, volumes cluster and Disaster.
• Maintenance of user account (creating, modifying, deleting and assignee the special permission (ACL)). And assigning the file/directory level permissions.
• Keeping the servers and network up and running, managing volumes, user account, quotas, file system and swap space.
• Troubleshooting Hardware, OS &Application related Alerts, taking Online Backup’s volumes using Mirrors, and snapshots. Apply fixes, patches and OS upgrades to servers, as and when necessary.
• Performed Exchange server Upgrades, Maintenance,& troubleshooting of the exchange server, Creating user accounts, Mailbox migration, replication backup, restores and maintaining them.
• Implementing Checkpoint Firewall security and configures policies according to company’s need to check and trace logs in case of any issue eg; Event logs replication monitoring, error resolution on a daily check basis. Troubleshooting, Performance Tuning, daily checking of file system and volumes.
• Designing Data centre including DNS, DHCP, NTP, SMTP, and Security and implementing the same.
• Configuring & maintaining Internet through Radio Link (4 Mbps from Reliance, 2Mbps from Primus) &Installation and Implementation of DHCP and DNS Server.
• Scheduling daily backup. & Responsible for managing wireless campus.
• Maintenance of MPLS Based VPN Network & Commissioning/Integration of sites.
• Follow up with vendors for Structured Cabling (UTP/Fibre) And Installation of Switches
• Provides technical guidance to junior team members, architecture& development teams.
• Bring new and fresh ideas to the company and its solutions, support product innovation and contribute to recommendations to employ leading-edge technology on behalf of corporate needs.
• Demonstrates leadership in providing education on advanced technical concepts.
• Maintain up-to-date roadmap to ensure successful enabling and execution of the Enterprise Architecture direction & Engages staff and Able to assign tasks and monitor the work of engineers.
• Coordinate and manage the collection of data from system owners and the scheduling and conducting meetings with staff to validate DC consolidation efforts through the collected data.
• Co-ordinate with different vendors to resolve problems and Carry hotline support as per support and shift roster and Providing support to users, developers and system programmer in production environment.
• Raising and implementing change request as per requirement and generating reports and send to concerned departments.
• Troubleshooting of Network & Internetwork related issues, Software Maintenance, Vendor Management, User Administration, & Network printer Configuration, Setting Backup and Restore Policies.
• Assume personal responsibility for resolving problems in most effective way possible within SLA reaching root cause and preventing problems.
• Responsible for the overall technical architecture and design of internetworking and infrastructure services solutions.
• Provide technical services for implementation, configuration, performance monitoring, tuning, and customer production cutover.
• Involved in migration and implementation of projects.
• Report and escalate status of problem resolution and Monitor server security and fix security related.

Confidential

Engineer (IT Infrastructure Planning)

Responsibilities:

• Installation & configuration of Linux, Windows 2000 Server, Audio Code (Protocols: SIP, H-323) and NY-Cube.
• Administration of Heterogeneous Network with TCP/IP.
• Manage and configuration different series of Cisco routers and Cisco switches.
• Troubleshooting all network and system related problems.
• Configuration & Implementation of VLAN, Router & switches.
• Diagnosing and solving problems in Dialer, Network and Database.
• Analyzing technical problems and creating solutions using existing techniques, tools & Helping users in solving problems of logging on the Network.
• Backend support to junior engineers for Predictive Dialer (NY-CUBE).
• Monitoring Connectivity with ISP & Maintaining data on up-time & down-time.
• Developed IVRS for the current organization, which is used throughout the world for reaching the call center in different parts of world.
• Other IVRS being used for different campaigns in Call Center.
• Helping users in solving problems in logging on the Network.
• Configuration of soft phone on SIP and H.323 protocol for taking inbound calls from clients.
• Implementing security through access list on Cisco 2600 series routers & Internet security using Fort iGATE firewall and Troubleshooting & maintaining various services of NY-Cube (DIALER).

Confidential 

Network consultant

Responsibilities:

• Administration of complex Unix / Linux environments taking care of all the activities related to the operative systems
• Working with other multidisciplinary teams in problem resolution, implementations and other projects.
• Taking care of security compliance, performance tuning, backup / recovery processes, automation and scripting, transitions and migrations.
• Installing and Configuring the OS using Standard Build method
• Managing User accounts and setting permissions to users as well as directories
• Administration VMware Servers for Development and production Servers
• Creation and maintenance of Logical drives
• Veritas Volume Manager and Cluster Management
• Adding Swap Space for Linux and AIX, Performance Tuning with Kernel parameters
• Managing Server Performances, Monitoring System Performance using Top, vmstat, SAR, Nmon, etc,
• Write shell scripts to automate administration
• Installation, configuration and maintenance of web servers
• Kernel up-gradation for new hardware drivers and Server hardening
• Carry out installations / patch upgrades on Linux & AIX servers
• Check and maintain all system logs for errors
• Maintaining and update the project documentation and Inventory
• Dealing with assembling, installation & troubleshooting of computers and Networks
• Managed Windows server, clients, which included installation, configuration & administration, Implementation of DHCP Server, User Administration,& Network printer Configuration.
• Configurations of CISCO Routers. & managing connectivity through ISDN Lines.
• Involved in installation of Class A TCP/ IP network a Structured Cable Network connecting customer sites through HUB centre.
• Designed and implementation of network and system integration solutions, preferably for large Service providers and large enterprises & Monitoring LAN/WAN Network infrastructure.
• Designing and Implementation of Structured Cabling Category-5.& Remote Access Services
• Network administration on systems as LAN setup With O/S, DHCP, DNS and WINS.
• Managing and configuration of CISCO Routers like OSPF, RIP and AIGRP and connectivity through ISDN Lines.
• Configuration of network equipment like switches, firewall, routers & Knowledge of VLANS, Tagging.
• Executing Hardware and Operating system software maintenance schedules like health check of servers and applying patches.
• Installation and Implementation of Remote Admin Server (Terminal Services).
• Configuration of Remote Installation, Monitoring of network and to take care of network to work smoothly.
• Working knowledge of configuring and trouble shooting of WAN equipment’s like modems, routers in complex Wide Area Network like Leased Lines, VSAT, VPN, etc.
• Working Knowledge of protocols such as OSPF, BGP, MPLS and LDP.
• Understanding of client needs and make Network setup as per client Requirement.
• Coordinating with principal vender for any problems in CAT-5 Cabling & Wiring part like RJ-45 Connectors.
• To survey and cater the needs of upcoming business all over the region.
• Dealing with Government and Corporate Offices for project based solution and Assisting Junior Executives for achieving their targets.