SUMMARY

• Total 11 years of experience in LINUX, TELECOM, VIRTUALISATION, deployment and Network administration.
• Hands on experience with VMware virtualization, storage, network design and cloud technologies.
• Expertise in Test Bed setup, activations of telecom nodes from scratch and integrating with 3rd party nodes.
• Trouble shooting skills on UNIX like operating systems namely RHEL, CentOS, IBM AIX and HP - UX.
• Handling Enterprise Cyber Security Operations as Systems Services and Support Analyst.
• Good knowledge on Linux Clustering, OS hardening, vulnerability checks and Disaster recovery.
• Hands on experience with Splunk integration, monitoring and Control-M work load optimization.
• Familiarity with HP SM, HP SAN Storage, HP Data Protector, HP Open view and Open Call products.
• Good knowledge on databases like IBM DB2, Informix.
• Experience in live system patches upgrading, Client/Server Connectivity and Database Consistency Checks.
• Ability to operate in a support role, assuming on call responsibilities.
• Good exposure to all kinds of testing such as integration, functional, system, regression testing, acceptance testing as per the process of SDLC.
• Expertise in designing test cases/ test schemes and test scripts by applying Engineering Methodologies and followed full software life cycle process.
• Participated in customer delivery projects, handling scope, risks and owning the solution during delivery.
• Conducting acceptance testing and getting the acceptance closure certificates by adhering to SLAs.

TECHNICAL SKILLS

User Management: users and groups, SUID, SGID, Sticky bit and ACLs.

File System Management: EXT 2 EXT3 & EXT 4

Disk Management: SWAP, RAID and LVM

Backup management: tar, rsync, cipo, dump and restore

Network management: SNMP, NMS and MIS configuration and management, X windows configuration (Xorg) and Integrated Lights-Out (iLO) Management, Control-M scheduling, Crontab and cluster configurations.

Basic services: SSH, Telnet, RSH, DHCP & license management, Configure and maintenance of F5 Global Traffic Manager along with Linux servers.

Network share services: TFTP, FTP, rsync and NFS

Network Information Services: NIS configuration, Routing implementation on Linux machine, Bonding, Clustering, IPtables, VLAN configurations, Xinetd services, NTP Configurations, SSL Certificates configurations.

Network monitoring tools: Splunk, NMS, TCPdump, Ethereal, vnStat and NMAP.

Virtualization: VMware ESXi, vSphere, vCenter, vMotion, DRS

Data Center: HP Service Manager, HP Data Protector, HP SIP Network Server, SAN Storage, IBM DB2, Informix DB, SQL, CyberArk security, IBM WebSphere, IBM MQ.

Telecom: SIP, H.323, SIGTRAN, DIAMETER, SS7, INAP, MSC, Intelligent Networks, HLR, VLR, IVR and VAS nodes, Protocol Analyser, SBC, Media and Signaling Gateways, TDM and IP Media platforms, Codecs G.711,G.729, HD voice, H.263, VP8, WebRTC

PROFESSIONAL EXPERIENCE

Confidential, Rhode Island

Systems Services and Support Analyst

Responsibilities:

• Supporting critical live Corporate Pin Server (CPS) security systems following NIST standards.
• Handling live system patch management, device hardening, configuration auditing and other end point security best practices.
• Handling on call responsibilities and maintaining system availability through Security Information and Event Management (SIEM).
• Involving live database systems migrations as per data center strategy.
• Participating in Disaster Recovery (DR) and High Availability failover testing.
• Work load optimization and automation using Control-M.
• Critical Incident ticket management using HP Service Manager.
• Scheduling of backups, System security and Preventive maintenance.
• Managing the application servers running on IBM WebSphere.
• Interact with clients in resolving challenges in a timely and accurate manner.
• Documenting configurations, application setup and application knowledge on internal wiki.

Confidential, New Jersey

Technical Solutions Consultant

Responsibilities:

• Installing, configuring and maintaining the VMware ESXi 5.x / Virtual Center 2.x servers
• Creating, Installing, configuring and maintaining the Virtual Machines, installing Guest Operating Systems like Windows, Linux and participating in POCs. vMotion configuration, migrations & troubleshooting.
• Guest OS template creation and User Account Management.
• Implemented F5 GTM solution for Disaster Recovery exercise to redirect users transparently to the appropriate data center.
• Implemented policy-based web application security using F5 ASM that blocks attacks and scales to ensure performance.
• Using F5 ASM, secured all data center applications against OWASP top 10 threats and zero-days attacks.
• Remotely demonstrating RESTful interfaces sample application functionalities.
• SAN Integration with VMware ESX server.
• Implementing SAN like topologies, switch zoning (soft & hard), LUN masking on SAN Storage devices, LUN creation and Storage Management.
• Configuring DRS, HA & Resource Pools in ESX 5.x
• Configuring BIG-IP LTM to load balance the IBM HTTP and WebSphere application servers.
• Backup & Restore management of the Virtual Machines.
• Network Configuration on ESX servers which include Bonds & VLANs.
• Performance monitoring & tuning.
• Scheduling of backups and System security and Preventive maintenance.
• Provided 24x7 on-call support within a structured rotation.
• Interact with our clients to resolve their problems in a timely and accurate manner.
• ITIL implementation experience with service management systems.
• Installed and configured SAN with EMC Director Switches/Edge switches and Zoning all Servers.
• Documented configurations, application setup and application knowledge on internal wiki.

Confidential

Info Systems Architect

Responsibilities:

• Deployment and maintenance of RHEL systems and app software in multiple clusters across 23 data centers. Clustering includes N+1 and N+N with HA.
• Developed and maintained binary installation, application deployment and scaling scripts to perform day to day operations in WebSphere application server clustered environment.
• Evaluated and performed POC work for Eucalyptus and other cluster technologies.
• Architectural planning for redesigns of DNS, internal mail service, configuration change management, and build control systems for game nodes and world clusters.
• Evangelized cross-department coordination of monitoring systems.
• Participated in 24X7 on-call production support rotation for heavy traffic applications.
• Run of business activities including DNS, Apache, and Tomcat configuration management, RSA SecurID (Cisco VPN) management, OS upgrades, and security fix deployment across installations.
• Installation, configuration and maintenance of HP Proliant servers, Procurve switches and HP data protector.
• Installation, configuration of eTrust Antivirus and management of eTrust clients using centralized console.
• Installation, configuration and activation of HP OpenCall software.
• Installation, Managing of HP OpenView and NMS for monitoring purpose.
• Integrated Lights Out (iLO) management for remote accessing of servers.
• Managing Reverse proxy (SQUID) for hosting internal companies websites to outside world.
• Testbed setup, performance testing using different tools.
• Managing high end Content Distribution System (CDS) to share contents to remote systems.
• Managing Management Information System (MIS) and CDR Collection and Control System (CCPS)
• Addressing other complex UNIX server related issues.

Confidential

Software Engineer

Responsibilities:

• Testing the Telecom Intelligent Network services using signaling protocols and tools.
• Product development and administration of managed services and dedicated Linux servers.
• Extensive critical support and programming for managed Linux server customers.
• Deployment of clustered, HA Linux systems for internal and customer use.
• System administration and user management for the testing team.
• Involving in Performance testing, tuning and bug tracking.
• Functional testing of services and GUI using SDLC by following testing methodologies.
• Complete testing using simulation and automation tools.
• New patch implementation, deployment and integration to replicate customer environment.
• Implemented custom billing and provisioning software to replace legacy systems.
• Installation, configuration and maintenance of IBM AIX servers
• Provisioned and designed Linux, Solaris and IIS servers
• Provided direct support to collocation and advanced Linux/HA cluster customers
• Administered Informix data base and AWK scripts.
• Perl and shell scripting for automation, SNMP and SCP billing system integration

Confidential 

MSC Integration and Maintenance Engineer

Responsibilities:

• Installation and configuration of Lucent MSC and BSCs.
• Installation, configuration and maintenance of SCO UNIX servers.
• Integration of new BTS with Motorola BSC.
• Launching new services namely Prepaid Fixed Wireless telephone, SMS for CDMA-CDMA and CDMA-GSM networks.
• Operation and Maintenance of MSC, SMSC, STPs and Intelligent Network nodes.
• Software Distribution using SMS.
• Testing different call features like call forwarding, call forward no reply, call waiting, conferencing.
• CDR collection, segregation, report generation.
• Performing Preventive maintenance, health check and augmentation activities.
• Restoring and verifying the backup data every fortnight as per ISMS standards.
• Checking the backup logs every day and copying the logs in ISMS folder.
• Installation, configuration and maintenance of Ericsson AXE 810.