SUMMARY

• More TEMPthan10 years of experience in infrastructure and operations management with expertise in Redhat, UNIX, SOLARIS, Windows Servers, other Linux based OS like Debian Ubuntu, Centos, Fedora and also their hardware.
• Strong UNIX System Administration skills in RedHat RHEL 5, RHEL 6, RHEL 7, Debian, UNIX, SOLARIS and Linux
• Good exposure in networking, TCP/IP, DHCP, DNS, Ethernet, WINS.
• A solid understanding of networking fundamentals and security.
• Strong technical experience in troubleshooting LINUX Server issues.
• Excellent troubleshooting skills.
• Strong Understanding of Security policies and follow the security compliance designated.
• Protocol experience at different Layers of OSI model,
• Experience working in Aviation, Banking, Health Care and Financial Operations Centers/Industries.
• A proven record of reliability, the ability to perform under time constraints, and good judgment under pressure.
• Experience in working on different infrastructure environments on various duties and responsibilities
• Experience responding to proactive ticket alarms and interfaces directly with clients to solve their problems.
• Exhaustive experience in Installing, configuring, deploying web - Applications and Troubleshooting Runtime Errors in Linux/UNIX.
• Superior troubleshooting and technical support abilities with Environment Migrations, network connectivity, and security and database applications.
• Fantastic ability to learn new technology and adapt to the environments quickly.
• Good Understanding of virtualization.
• Excellent communication and diagnostic skills; consistently solve problems and rarely escalate issues.

TECHNICAL SKILLS

Language: Shell scripting: bash, csh, sed, awk, regular expressions.

Operating System: Windows Client, Servers, Redhat Linux, Fedora, Debian, Ubuntu, Sun Solaris, MAC

Protocols: TCP/IP, DHCP, DNS, STP, FTP, TFTP, SFTP, HTTP/s,ARP, SSH, TELNET, SNMP, SMB, SCP

Services and Applications: DNS, NIS, DHCP, Squid, FTP, NFS, Syslogd, Samba, Chroot, chmod, Cron, Bash, Bind, Winbind, SMC, PUTTY, IPTABLES, TCPDUMP, Traceroute, Crontab, Shibboleth, AMQ, RMQ, Firewall, Systemctl, systemd, initd, rsync, Selinux, Autofs, Mount, SSH, TLS, SSL, fstab, ACL, unbound, postfix, sendmaill, nfs-secure, samba-secure, firewalld

Volume Managers: Solaris Volume Manager, Linux Volume Manager, iscsi

Monitoring/Security Tools: Nmap, Nessus, BMC, Nagios, Snort, Tripwire, Tcpdump, Ntop, Wireshark

Server Hardware: HP DL/ML/BL Server Series, Sun Fire V210, V240, V40Z, T2000. Sun 6000 and 8000 blade Server, DELL PowerEdge Blade Servers

Database: Oracle, MongoDB, Mysql, MariaDB

Other Skill: Microsoft Office

PROFESSIONAL EXPERIENCE

Confidential - Kansas City, MO

Consultant - Infrastructure Analyst

Responsibilities:

• Good administrative and management Skills
• Maintained over 800 REDHat Enterprise Linux servers for various projects. Manage installation, monitoring, backups, disaster recovery/business continuity strategies and troubleshooting.
• Lead the project to migrate multiple Applications running in Windows to Linux
• Support Various NFS and Web Servers
• Supported various QA and Load performance testing teams with various installations, automations and configuration on REDHat Enterprise Linux 7, 6, 5, 4 boxes.
• Works in a critical and 99.9% uptime environment
• Worked and managed the Jenkins and Nexus repository.
• Supported Mongo DB
• Good scripting skills and automate all the possible task to ensure smooth and risk free operation
• Work with Vendors for analyzing new products and give technical analysis of products integrating to our environment
• Worked with different vendors in getting the vendor application installed and configured in the environment
• Managing the Core E-Filing system of Confidential &R Block Online and Home Tax environment
• Supported various project teams to implement new applications in UNIX environment and help to support them until its documented and handed over to the application support teams.
• Responsible for analyzing workflow, access, information, and security requirements and designing Linux system infrastructure.
• Work with Load and performance Team for fine tuning the applications and systems
• Has received excellent performance recognition from the Client and Company.
• Worked in fast paced environment dealing with different clients.
• Part of implementing SSO using Shibboleth, tomcat and apache with IDProofing.
• Supported the developers in installing and managing SVN, Rabbit MQ, Active MQ, APACHE, Tomcat, Shibboleth, OFX servers.
• Installation and Administration of AXWAY APIGATEWAY
• Build and configure TOMCAT, APACHE, Shibboleth on Redhat Servers
• Worked closely with Software Engineering and Architect teams to isolate and repair problems as well as help drive the operational enhancements into the products.
• Ensured all theprocesses aredone as per the policies.
• Manage and Co-ordinate with the offshore/onsite team.
• Team leading capabilities

Confidential

IT Administrator

Responsibilities:

• Managed the internal IT infrastructure of Confidential India.
• Managed servers remotely using HP Systems Insight Manager, ILOM, ALOMconsoles.
• ManagedSOLARISand Redhat enterprise servers in production environment.
• Managed Tomcat and Apache servers
• Responsible for adding users, creating groups, setting permissions for file via Chmod, chown.
• Added users to groups according to the needs.
• Installed Packages via rpm, dpkg and source code.
• Monitored System via Nagios, Traceroute, netstat, ping, nmap, w, uptime, top, lsof.
• Managed SAN (HP Storage WorksModular Smart Array 1000,HP Storage Works 4/8 Base SAN Switch,HP Storage Works MSL2024 Tape Library,Dell Power Edge Blade Servers);
• Involved in Setting up SUID, SGID for files.
• Also responsible for Setting Access Control list for files/directory for Users.
• Wrote shell scripts to manage the servers.
• EnsuredSecurity Compliance and process based on defined ISMSpolicies.

Confidential

Network Engineer

Responsibilities:

• WorkedwithIBS India Data Centre Setup and Operations(24X7), working in system administration of datacentersin India, Japan and theUS.
• Ensured uptime of all devices in data centre of 99.999%in the Solaris, Linux and Windows environments.
• Performed day-to-day trouble shooting for the end users on Linux based applications.
• ManagedLinux Solaris, and Windows systems,
• Managed the Messaging System, Lotus Domino, of the whole enterprise.
• Created Users and Groups according to the policy in the Lotus Domino.
• Managed F5 devices
• Managed the IronportSpam Filter for enabling and editing the policies according to the company policies.
• Managed the Syslog Serverto monitor the logs on all the UNIX servers in the data Center
• Responsible for administrationofHP Systems Insight Manager, ILOM, ALOMconsoles,Storage Device Management; BMC monitoring tool.
• EnsuredSecurity Compliance and Process based on defined ISMS policies; all was strictly based on ITIL policies.
• Involved in Hardening of allLINUX, SOLARISand Windows Servers.
• Used tcp dump to capture some or all packets received by a network interface for monitoring purpose
• Responsible for adding users, creating groups, setting permissions for file via Chmod, Chown.
• Responsible for continuous monitoring of Alerts from the servers in the Data Center and take immediate actions to resolve the issues like contacting the responsible teams and working with them to get it resolved.
• Used Nagios and BMC tool for monitoring purpose
• Coordinated with vendor, Architects clients for designing and implementation of high end software application.

Confidential

Network and System Administrator.

Responsibilities:

• WorkedwithRevenuemed Internal IT network, designing and implementing the whole new office setup.
• The complete initial network architecture of the office was designed and implemented by me.
• Extensively involved in LinuxServer management.
• Gateway firewall implemented to protectthe internal network from external attacks firewall with IPtables. Other functions used are DNS, proxy with squid, iprouting, port forwarding, Load balancing.
• Implemented the domain controller in Linux with the help of LDAP and Samba.
• IntrusionDetectionSystem (IDS)implemented to enhancethe security system, withSnortbeingthe application used; it detects intrusionswhichoccurand reportsthe issue.
• Site to Site VPN established between Confidential and Bank of America, used for secure processing ofdata;Pix firewall was used for dis purpose.
• Implemented BackupPC backup system and maintained application servers.

Confidential

Junior Network Administrator

Responsibilities:

• Undertook VSAT communication management,HardWare Support, Desktop Support,Windows 2003 Active Directory and Exchange 2003ManagementSupport,Administration of Linux Servers, Administrationof proxy server with squid and dansguardian, implementation of VPN between HO and regional offices, maintenance of application servers and provision of Oracle database support.