Red Hat LINUX / Solaris UNIX/ VMWARE / VERITAS ADMIN

Arif Khan

Red Hat LINUX / Solaris UNIX/ VMWARE / VERITAS ADMIN SAP BASIS/ NW/ HANA Admin

A Unix, Sun Solaris Certified IT UNIX, Red Hat LINUX professional with over 15+ years of excellent skills in engineering and experience in system architecture & implementation includes: Automation using Patch Management, Configuring software/hardware, monitoring tools performance, security, implementing upgrades, migration, troubleshooting problems, disaster recovery/backup/restore, VERITAS Cluster/Volume Manager, Redhat Volume Manager (LVM), Apache Tomcat, Apache Hadoop, BEA WebLogic, FTP/SFTP, Firewalls, Load Balancers, Networks, migration of systems between various organizations and data centers.

EXECUTIVE SUMMARY  Experience in 30,000+ Solaris UNIX/Red-Hat Linux servers support, maintenance.  8+ years’ of focused experience in System Administration, System Builds, and Server builds on SUN Solaris UNIX (8/9/10/11), Installs, Updates, Patches, Configuration, Performance tuning on UNIX, system software and hardware including – ZFS, ZONES/ Containers, LDOM.  8+ years’ of focused experience in System Administration, System Builds, and Server builds on Red-Hat Enterprise Linux(4/5/6/7), Installs, Updates, Patches, Configuration, Performance tuning on Linux, system software and hardware including – Logical Volumes (LVM), Red Hat Satellite Network (RHN).  8+ year’ of Experience in using VERITAS Volume Manager, Creating new file systems, mounting file systems and unmounting file systems and SAN storage related problems.  8+ years of Experience in configuring & maintaining Veritas Cluster Server (VCS) and resolving High Availability related issue in production environment.  5+ years’ of Experience in VMWare, VMware ESX (4.x/5.x), vSphere Server, vSphere Client. Along with extensive experience in VM Migration vMotion, VM Storage vMotion , DRS, High Availability (HA), VM Data Recovery (VDR), P2V, V2P VM Converter, and other virtualization technologies.  4+ years of Experience in Apache Tomcat, Bea Weblogic application servers.  3+ years of Experience in Apache Hadoop administration and Big Data technologies.  Experience working with Perl, shell scripting (ksh, bash) to automate administration task.  Knowledge of Puppet, Chef, Ansible Configuration Management tools and Dockers.  10+ years of Experience SAP Administration – SAP BASIS , SAP NetWeaver, SAP Solution Manager along with working experience in end-to-end implementation projects, Installed and configuration of Oracle 10g, 11g on Production, SAP ECC6, SAP BW, SAP SRM, SAP HANA, UAT and Dev environment and very close to work with DBA, application team.  2+ years of Experience in SAP s/4 HANA 1.0 (SPS12) Administration- include: HANA Studio/ Cockpit.  Configuration, administering and maintaining of application services like NIS, NFS, DNS, DHCP, Mail, SMTP and Apache.  Experience in Migration of data centers.  Planed and implemented Disaster Recovery/backup/restore.  Experience in storage solutions and administration of SAN, NAS and DAS.  Experience working with Perl, shell scripting (ksh, bash) to automate administration tasks.  Experience in fibre channel storage management/ multipathing, server resource management.  Installed, monitored and supported Web servers and Application Servers on Solaris and Linux environments.  Excellent communication and strong interpersonal skills with ability to interact with end-users, managers and technical personnel. Also highly accountable team player, strong work ethics and fast learner.  Provided production support in an on-call rotation in a 24x7 environment.

ARIF KHAN

TECHNICAL SKILL & EXPERTISE

UNIX OS : Solaris 8/9/10/11 (Zone, ZFS), Red Hat Linux 4/5/6/7 Virtualization : VMware vSphere 3.5/4.1/5.0/5.5, ESX 3.5, Workstation 6/7, VMWare DRS, HA and FT, VMware Standalone Converter 3.0, VMware Update Manager 1, VMware VCB, VMware Desktop Infrastructure VDI, VMware View. Storage Volume Mgmt. : Veritas Storage Foundation Suite, Veritas Volume Manager, Solaris Volume Manager (RAID 0 / 1 / 5), Red Hat Volume Manager (LVM) High Availability : Veritas Cluster, VMWare HA/DRS ERP : SAP BASIS/NetWeaver 7.5, SAP HANA S/4 (1.0), SAP Solution Manager. ETL : INFOMATICA 8.x/9.x, Bigdata Apache HADOOP 1.x/2.x Database : Oracle 11g/10/9/8, Oracle SQL, MS Access, MS SQL, SAP HANA Web & Application Server : BEA Weblogic 8.1 , Apache Tomcat severs. SAN/NAS : NetApp, Brocade Silkworm 12000/24000, EMC Connectix FC SAN Switches. Networking : TCP/IP, NFS, NIS, DNS,LDAP,SNMP, DHCP, FTP, SFTP, TELNET, SSH,UDP, ICMP, IPMP, Network troubleshooting, Server configuration, Physical network maintenance and upgrades, SNMP, NTP, iptables. Change Management : Service Now, HP-Open view, SAP CHARM Incident/Problem Mgmt. : Service Now, Remedy ARS, HP OVSD Remote Connectivity : Putty, Telnet, FTP, SSH, SFTP, rlogin, Remote Desktop . Systems : Sun SPARC Enterprise T5240, T2, T3, T4, , T52X, T-51x series, Sun Fire -v210, v240, v440, v480, v490, v880, v890, E2900, v3800, v6800, Dell PowerEdge 2950/6950, IBM Blade Center, IBM p5 p520/p570, RS/6000, SCSI IDE architectures, server ,M8000, HP Itanium & PA, RISC. Languages / Script : Shell, Perl, Visual Basic, Java, Load Balancer F5 BIGIP LTM Tools : Red Hat Satellite Network (RHN), MS VISIO, MS OFFICE (WORD, Excel, Power Point, Outlook.), Samba. Monitoring Tools : Netcool, NetIQ, Nagios.

PROFESSIONAL EXPERTIS

Client: Morgan Stanley, NYC, NY 01/2017 – Current. Role: Sr. Consultant (UNIX/Linux/VMware)

Description: Morhan Stanley is an American multinational financial services corporation that, through its subsidiaries and affiliates, provides securities products and services to customers, including corporations, governments, financial institutions, and individuals. The company operates in three business segments: Institutional Securities, Global Wealth Management Group, and Asset Management.

Responsibilities:  Install and configure of hardware and OS RHEL 5/6 on servers.  Build servers, configured, installed tools, applied patches and transitioned servers to production support.  Build a two-node clustered master server using VCS and connected to existing Netbackup environment.

ARIF KHAN

 Build servers for infrastructure support at two strategic data centers.  Installed patches to latest patch level, applied patch cluster and installed software packages as needed.  Created disk groups, volumes, volume groups and RAIDs using VERITAS Volume Manager.  Disk mirroring and RAID implementation using VERITAS Volume Manager and Solaris Volume Mgr.  Installed VERITAS Volume Manager and LVMs on Red hat Linux servers.  Installation and configuration of Apache Tomcat server.  Build, Manage HDFS (1.x/2.x), Hadoop Clusters, MapReduce, YARN – NameNode, DataNode, Job Tracker, Task Trackers, Resource Manager, Node Managers etc. and ECO components.  Troubleshooting and analysis of hardware and software failures for various UNIX servers.  Install, configure and deploy VMware products such as VMware Work Station, VMware Converter etc. Create / Delete VMs install guest OS.  Create clones and templates of Virtual Machines.  Create VMware clusters, adding hosts in the clusters, and implemented HA and DRS.  Worked with application team to load app to servers, created test environment for Oracle DBA team.  Provided server remediation to ensure all vulnerabilities have been addressed.  Engaged in the Build, Test, Implementation, Application and pre-production checklist.  Created new slices, mounted new file systems and unmounted file systems.  Documented installation procedures, changes required in present environment.  Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.

Environment: Redhat Linux 5.x/6.x, Sun Solaris 10/9/8, , VERITAS Volume Manager 5.0, VERITAS Net backup 6.5, VERITAS Cluster Server 5.0, Solaris Volume Manager, Enterprise Security Manager, Apache, Pentium PCs, Sybase, Oracle, Perl, Weblogic, Webshpere, Apache Tomcate, SAP BW, Informatica, Netcool, NetIQ, Nagios, Hadoop, Netbackup.

Client: Morgan Stanley (Smith Burney), NYC, NY 03/2014 –01/2017 Role: Sr. Consultant (UNIX/Linux/VMware/SAP Admin)

Project Description: Morgan Stanley is an American multinational financial services corporation that, through its subsidiaries and affiliates, provides securities products and services to customers, including corporations, governments, financial institutions, and individuals. The company operates in three business segments: Institutional Securities, Global Wealth Management Group, and Asset Management.

Member of “Distributed Systems Support" team, who provided services for 30000+ Solaris and Linux machines supporting a large number of applications, clustering and functionality.

Responsibilities:  Confidential Client’ globally structured distributed computing environment controlled by Aurora system (Designing a next generation Global Production Unix Environment) which encompasses AFS file system, VMS, Kerberos security, ACL permissions, quotas, OSConf , Pods, Cells and Distributed System Database (DSDB).  Followed ITIL Processes and achieved 99.8% SLA as a team member for solving incident, Task and Change Request tickets using many different ticketing systems such as Service Now and Change request tickets.  Daily administration of RHEL 4.x/ 5.x/6.x and Sun UNIX 9/10, which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server’s issues.  Perform Audits and prepare reports and solutions, which minimize the servers’ issues /downtime/outages 20 -30% and enhance the business continuity.  Manage outages, performed Root Cause Analysis (RCA) and resolve all server issues within allowed service levels.  Build servers, configured, installed tools, applied patches and transitioned servers to production support.

ARIF KHAN

 Wrote and maintained shell scripting Perl and Bash.  Manage FTI Perl scripts to transfer ETL data from source to destination.  Responsible for server migrations from closing data center.  Installed Linux / UNIX servers through kick start / JumpStart.  Build and manged Apche Hadoop clusters (1.x/2.x), YARN, Name Node, Data Nodes, Job Tracker, Task Trackers, Resource Manager, Node Managers and ECO System components.  Setting DHCP server, qip and performed PXE boot rc.updates and osupgrades.  Created printer ports and assigned IPs.  Lead Role in the Patching Management Project. After, patching verified with Application and database team and make sure that System is ready to next business day.  Installation, Configuration and Administration of High Availability Veritas Cluster Servers for failover and redundancy purpose, and resolved Cluster related issues.  Managed SAN storage by creating disk groups, volumes, and RAIDs using VERITAS Volume Manager. Also diagnosed the Failed LUNs, Multi-pathing problems and resolved the issues using Veritas commands.  Administrated NAS NetApp filers with snapmirror, snapshots, quotas & qtrees.  Configured NFS file system on NetApp storage array and replicate the data to the remote Filer using Snap Mirror.  Install and manage VMware ESX servers and create VMs and install different guest OS.  Create templates from VMs and create VMs from templates.  Performed P2V and V2V conversions by using VMware Converter.  Worked on Migration like VMware vMotion and cold Migration, Storage vMotion.  Monitoring and managing performance of ESX servers and Virtual Machines.  Troubleshooting and analysis of hardware software failures for various UNIX servers.  Resolved ongoing production issues, coordinated with upper level teams and responded to telephone calls from business users for their issues and tickets.  Power cycled and rebooted hosts as per the business needs and user requests.  Manage IT Staff relationships to insure service levels and availability of all servers.  Install, Configure, and administer BEA Weblogic 8.1 and Apache Tomcat servers.  Performed Installation, setup, configuration of SAP HANA database, SAP HANA Studio and SAP HANA Client.  Architected solutions, developed custom processes, reports, and responsible to integrate financials to SAP.  Implemented and supported SAP SD, FI, CO, BW modules.  Maintain the server monitoring solutions as defined by senior staff members.  24/7 Production and technical support.

Environment: Sun Solaris 10/9/8, Redhat Linux 4/5/6, Window 2003/2008, VERITAS Volume Manager 5.0, VERITAS Net backup 6.5, VERITAS Cluster Server 5.0, Solaris Volume Manager, Enterprise Security Manager, Apache, Sybase, Oracle, Perl, SAP ECC6/BW/HANA, NetApp filer, EMC Storage.

Client: Hyster-Yale Group , Cleveland, OH (Remote) 01/2012 – 02/2014 Role: Sr. Consultant (UNIX/LINUX/SAP BASIS ADMIN)

Project Description Hyster-Yale Group designs, manufactures, sells, and services a portfolio of materials handling equipment that is among the most comprehensive in the industry. Confidential Group covers hundreds of end-user applications in more than 700 industries. Hyster-Yale Group manufactures a full range of electric and internal combustion engine lift trucks for indoor and outdoor applications.

Our team first reviewed and identified the most complex manufacturing processes, and in partnership with key business users, mapped to SAP Enterprise Resource Planning (ERP) functionality and created development plans

ARIF KHAN to meet the plant’s manufacturing processes and metrics.

Responsibilities:  Installed, Configured, Managed, trouble-shoot Unix Solaris 9/10 and Red Hat 5/6 Servers.  Responsible for Active directory, GPO, Domain users, Administrating users and groups and given appropriate permissions and privilege to access our LAN and Domain environment.  Performed kernel and patch upgrades.  Performed standard administration and monitoring tasks in a highly critical environment involving users in several countries.  Installed SAP CRM 7.0 and configured it in both production and non-production environments.  Implemented STMS and performed transports.  Analyzed CRM, ECC, BI system performance, ABAP short dumps, failed updates, System logs, helped in resolving end user issues.  Involved in major production break fixes during CRM implementation.  Performed Kernel upgrades and patch updates.  Upgraded Enhancement packages (EHP) in various systems and activated them.  Performed Installation, setup, configuration of SAP HANA database, SAP HANA Studio and SAP HANA Client.  Involved in SAP HANA Administration including creation and management of schemas for different SAP systems, data model objects, and import/ export content.  Performed Backup and Recovery.  Good understanding of HANA DB performance, HA, DR, and scalability.  Upgraded BW 7.0 to BW 7.3 and migrated to BW 7.3 on HANA.  Responsible for monitoring and troubleshooting of SAP HANA.

Environment: Solaris 9/10, RHEL 5/6, Windows 2003/2008, SAP ECC6, SAP HANA1.0.

Client: CIBC Bank , Canada 03/2010 – 12/2011 Role: Sr. Consultant (UNIX/LINUX/VMWare)

Project Description: Confidential is one of the Top 5 Canadian banks providing a full suite of financial products and services in Canada and around the world through three main business units – Retail and Business Banking, Wealth Management and Wholesale Banking.

Performed migration of servers to virtualized environment under VMware vSphere 5, using VMware Converter thereby reduced overall IT infrastructure footprint.

Responsibilities:  Managed team of four consisting of three developers and a QA Engineer. Assigned tasks, set desgn review meetings, and ensured team members’s understanding of requirments and proposed design.  Using VMware vCenter, created Data Center Environment by creating VMware clusters, adding ESX hosts in the clusters, and implemented HA and DRS.  Installed and configured ESX 4.0 servers on Blade Servers.  Performed physical to virtual (P2V) migrations for approximately 500 physical servers utilizing VMware Converter.  Installing, configuring and troubleshooting VMware view.  Performed tons of V2V Migration.  Created clones and templates of Virtual Machines.  Deploying VMs through Templates.  Created & Troubleshot Virtual Networks and vSwitches.

ARIF KHAN

 Responsible for deploying, managing, and maintaining HP Proiant BL series C-class blade servers and DL- series servers.  Worked with business clients to evaluate, streamline, and improve current systems, processes, and workflow.  Troubleshot any errors found in code using simple PERL scripts.

Environment: Windows 2000/2003/2008 R2, Windows XP/Vista/Win 7, VMware ESXi 4.0 Server, VMware View, VMware Lab Manager. Open filer iSCSI SAN/NAS, HP Proliant Blade Servers BL280C G6, BL460C and 620C Series, Dell PowerVault NAS, SonicWall Firewall, Remote desktop services, NetApp FAS3050, FAS3160, FAS270

Client: Nestle, Canada 08/2005 – 02/2010 Role: Sr. Consultant/ Solution Architect (UNIX/LINUX/SAP Basis)

Project Description: Managed technical environment by implementing SAP, and Oracle system changes for development, test and production environments in preparation for SAP system upgrade. Provided on-going SAP system recommendations to system issues regarding current and future SAP NetWeaver landscape. Readied SAP environment to newer release level; provided SAP basis administration, including setup and configuration of Solution Manager. Installed administrated, provided security and troubleshoot/ supported SAP systems, application of ABAP and JAVA support packages, transport management and SAP performance/ tuning (instance profile management).

Responsibilities:  Prepared documentation for development techniques, tools, and technology standards for specific business and technical needs.  Created and presentation of technology strateties, roadmaps and project recommendations for senior management.  Performed analysis of functional and non-functional requirements on new projects and applications and mapping them to existing standard solution components or new solutions.  Provided top tier support for design, testing, performance tunning, deployment and operational issues in enterprise systems.  Documented and communicated of test results, selection criteria and technical / business recommendations for new hardware and software platforms.  Performed UNIX/Linux administration which includes installation, user administration, file management, high availability, OS and Kernel patch upgrades, performance tuning, network and troubleshoot Unix/Linux OS.  Installed and configured of hardware and OS (Solaris 10 and RHEL 4.6) on servers.  Build servers, configured, installed tools, applied patches and transitioned servers to production support  Involved in all SAP BASIS Admin activities to deliver on time.  Performed System Copy Database restore.  Performed Client Copies like Local Client copy, Remote Client Copy and Client Export and Import.  User Administration like Creating Users, Deleting Users.  Background job administration like scheduling background jobs and analysing jobs.  Applied Support Packages and add-ons through SPAM/SAINT.  Performed Kernel Upgrades.  Defined Operation Modes and assigning Time intervals to Operation modes.  Management of Table space allocation using BR Tools.  Moved Transport requests from Development to Quality and Production using Transport Management System (STMS).  Downloaded and applying Notes through SNOTE.  Performed System Refresh Restore.

ARIF KHAN

 Monitored alerts and ABAP short dumps using System administration.  Checked CPU utilization and volume space utilization for performance analysis.  Daily administrative task include monitoring system logs, Work process, locks and updates.  Worked on Config tool and Visual Admin tool in Java stack.

Environment: SAP R/3, SAP BASIS, SAP NetWeaver, SAP BW, Sun Solaris 10/9, RED HAT LINUX, AIX 5.3, 4.3.2, SAP R/3, ORACLE, Windows NT 4.0, VERITAS Volume Manager 5.0, VERITAS Net backup 6.0,Sun Enterprise 4500, Sun Enterprise 450/420R/250, Sun Ultra 250 with RAID, IBM RS/6000, Motorola Machine, Pentium PCs, Oracle 10g, Perl, Remedy.

Client: PEPSICO, India 02/2003– 5/2005 Role: Sr. Consultant (UNIX/Linux)

Responsibilities:  Installed and configured Solaris8 servers and clients, administered disks usage, configured NFS to support the client-server environment, set up and configured AutoFS file systems to provide support to development community.  Provided System administration Sun/Solaris servers (E450 to 10K's).  Created file system in VERITAS FS/VM.  Monitored and mounted file systems; performed maintenance on corrupted file systems.  Created and maintained file system, executed security and printer configuration and realized TCP/IP addressing.  Managed users accounts and access privileges, individual and system login scripts on Windows NT and Win2K/03  Monitored network activities; supported remote locations and system users. Provided LAN performance optimization, daily backups and common system problems troubleshooting.  Administered user's accounts on the system, configured user initialization files to provide a consistent login environment for over 70 users, implemented system security.  Administrated DNS, DHCP servers. Created and managed user and group account in User Manager.  Supported with x86 / x64 Intel, HP, IBM & Dell hardware like rack-mounted servers, towers servers etc.  Responsible for Active directory, GPO, DOMAIN users, Administrating users, and groups and given appropriate permissions and privilege to access our LAN and Domain environment.  Installed, configured, administered and troubleshoot VMware server on ESX platform and VMware client, workstation.

Client: P & G, India 04/2000 – 12/2002 Role: Sr. Consultant

Project Description Worked as part of system administration to build, monitor, and fix as necessary approximately 300 Red hat Enterprise Linux (RHEL) and Sun Solaris servers.

Responsibilities:  Deployed over 89 production Linux servers and maintained their availability at 99.8%  Led a team on training and setting standards for our Linux environment.  Deployed over 140 production SUN/Solaris servers and maintained their availability at 99.9%.  Recognized for excelling in availability, clustering and application assistance.

INDUSTRY–RECOGNIZED TRAININGS & CERTIFICATIONS  Certified: SUN Solaris 10 System Administrator.

ARIF KHAN

 Certified: VMWARE Certified Professional (VCP) – Data Center Virtualization.  Certified : SAP NETWEAVER 7.31 (Certified Associates )  Red Hat Enterprise Linux Admin -- (Exam Awaited).  Project Management & Planning PMP (Training and Certificate from Skillsoft).

EDUCATION  Bachelor of Engineering in Computer Science (4 years)- Amravati University, India (Accredited by - University of Toronto as equivalent to a Canadian Engineering Degree)  Post-graduate diploma in ERP from Toronto College of Technologies, Toronto.

REFERENCES :

 Available on request.