Unix/linux Engineer Resume Profile
PROFILE:
Versatile infrastructure architect, and senior UNIX systems administrator with over 11 years Linux and Solaris UNIX experience in enterprise and mission critical environments. Successfully utilizes broad technical expertise, project and team management skills, and in-depth knowledge of change and problem management to design and deliver advanced infrastructures to meet customer requirements. Seeking the next challenging and rewarding opportunity either in a technical or management capacity to demonstrate my abilities.
TECHNICAL SKILLS:
Area Years | Comments |
Linux -11 | Many early Linux distributions, mainly RedHat Enterprise Linux 4, 5 and 6. Installation, patching, maintenance, hardening, knowledge of Logical Volume Manager, NFS, FTP, Kernel upgrades, some BASH scripting. Apache as both web server and proxy / reverse proxy. Designed, implemented and maintained large RedHat Enterprise Linux / Oracle 11i environments. |
Solaris -7 | SunOS, Solaris 2.5.1, 2.6, 7, 8, 9 and 10. Solaris Volume Manager Disk suite , NFS, NIS, ZFS, installation, patching, maintenance, and OS upgrades. Various hardware platforms such as E220,E420, E4500, Ultra, E10K, E15K, and V880. |
VMware -2 | Evangelism, Design and management of enterprise solutions utilizing VMware ESX 3, VMotion, VM Converter, Platespin Power Recon, and Power Convert. |
Other -11 | Experience with Irix, Digital Unix, SCO Open server, Tru64, and other flavors of Unix. Advanced knowledge of Windows 95, NT, 2000, XP, Vista, 2003, and Microsoft Office |
VERITAS/Symantec 6 | Experience with multiple versions of Volume Manager VxVM and File System VxFS , including performing troubleshooting and upgrades. Maintenance of VERITAS Cluster Server VCS . Extensive Netback up experience including implementing Master Server, Media Servers on Windows, Linux, Aix and Solaris, ADIC Libraries, LTO 3, Vault, and of scripting Netback up. Symantec Netback up Pure disk. |
Storage -7 | SAN and DAS configuration on Solaris Linux, VxVM, Solstice, LVM, Power Path. Design of storage configurations incorporating SRDF, BCV, Oracle 10G ASM, etc. on EMC Symmetrix, DMX, Clariion, HDS, and Sun Storage, utilizing RAID 10, and RAID 5. |
Networking-11 | Familiar with Cisco concepts and equipment, including VLANs, Switches, Catalyst Routers, and PIX firewalls. Experienced with DNS, Send mail email, Squid Proxy, Apache, Unix network configuration, and solutions incorporating 3DNS and BigIP. |
Backup 9 | Design, implementation, maintenance of backup and recovery solutions, particularly Netback up and Legato Networker. Additionally experience of RMAN scripting |
Infrastructure -11 | 11years working with Wintel and Enterprise Unix systems, including Dell, HP, Sun, SGI, etc. |
SYNOPSIS:
- A competent professional with core experience in System Administration on UNIX, Linux, X86/Sun SPARC machines.
- Involved in transition of infra support from onsite to offshore.
- A self-motivated and goal oriented, possessing a high level of commitment and a zeal to learn new technologies.
- Confident and enthusiastic with excellent interpersonal abilities and a zeal to learn new technologies.
- Self-motivated with a quest for learning and a high level of commitment.
- Strong analytical skills to solve complex and technical issues.
- Expertise in Red hat Linux, Sun Solaris System Administration, and VERITAS Volume Manager Cluster.
- Responsible for managing and administering of remote UNIX systems.
- Installing configuring Server Operating Systems, Application Software, Hardware, etc.
- Looking after the installation of required patches on OS level.
- Extensive working knowledge in VERITAS Volume Manager VxVM, VxFS Clusters for Disk Management, Volume Management increased disk availability.
- Providing technical and process related assistance to fellow employees to provide prompt and reliable service to meet the SLA, Working on ticketing process based on ITIL. Working on Automated and Manual Tickets.
- Extending high-end technical support on various servers and ensuring high customer satisfaction levels through prompt redressed of their problems.
- Implementing effective customer support systems, helpdesk and their management.
- IT Project Management for Infrastructure Support Initiative projects.
- ITIL processes, such as Configuration Management, Change Management, Problem management and Incident Management
- Experienced in infrastructure and Data migration in Data canters
- Sound understanding of IT Infrastructure Administration with project management skills.
- Experience of working in Data centers with 24X7 Production and On-Call Environments.
- Worked with NIS, NFS, Samba and TCP/IP on Sun Solaris and Redhat Linux server environment.
- Experience in providing day-to-day user administration like adding/deleting users and managing users queries.
- Excellent communication interpersonal skills. Proven strength in troubleshooting, problem solving, coordination, analysis and a proven track record of success.
- A good team player with ability to lead a team by example and motivate them to achieve desired objectives. Willing to take on extra responsibilities to get work done.
- Team Management and Vendor Management skills.
- Competent in interaction with people from various Geos have worked onsite in customer locations.
- Define and implement Standards for storage Arrays, which are then passed over to Operations for Support.
- Create Operations run books for Linux, Solaris and Storage operations.
- Capability of installation, set up and maintenance of backup environment, backup software and work along with team to keep SAN environment.
- Experience of Infra migration in Datacenter for MSD project - Brussels Belgium, Europe .
- Understanding routing principles, design of consistent network-wide file system layouts and client/server programming, a capability to program in an administrative language.
- Worked on different types of storage structures SAN/NAS/DAS .
- Good written and verbal communication skills with a customer service oriented attitude.
Confidential
UNIX/Linux Engineer
Key Deliverables:
- Responsible for managing and administering of remote UNIX systems.
- Installing configuring Server Operating Systems, Application Software, Hardware, etc.
- Looking after the installation of required patches on OS level.
- Extending high-end technical support on various servers and ensuring high customer satisfaction levels through prompt redressed of their problems.
- Implementing effective customer support systems, helpdesk and their management.
- Excellent working knowledge on the virtualization techniques using VMWare ESXi tech including design and build setup.
- Sound knowledge on the design to understand the server sizing and compatibility on target virtualization
- Involved in preparing the high and low level design for server migration and virtualization
- Proficiency in deploying vCentre and migrate VMs
- Proficiency in tools related to vMotion, VMFS, VMware converter, Platespin etc
- Disk Administration with VERITAS Volume Manager, LVM Solstice Disk Suite.
- Expertise on file system management Linux LVM, VXFS, QFS, CFS,NFS,Samba, UFS, ZFS .
- Strong experience on Red hat clusters administration and HP-service Guard Cluster Administration.
- Configuration of TCP/LAN Environment with NIS, NIS , NFS, DNS DHCP
- Good remote infrastructure troubleshooting skills.
- Client interaction as per project needs.
- Excellent Customer handling skills.
- Excellent listening skills ability to communicate clearly and fluently in English.
- Strong knowledge on RHEL and VCS Cluster Administration.
- Strong Troubleshooting skills on RHEL and VCS Clusters.
- Good knowledge on YUM Configuration and management.
- BIND Installation/up-gradation.
- Administrating troubleshooting and managing DNS configuration files and daemons
- Managing administrating and troubleshooting NFS on Solaris and Linux servers.
- Configuration Logical Domain on Sun T-Series machine.
- Adding CPU/Disk/Memory to LDOM Guest server.
- Handling Solaris zones.
- Migration of Zone server.
- Installation of VERITAS packages.
- VERITAS volume manager up gradation.
- Creating Virtual disk like Sub Disks, Disk Group, Plexes, Logical volumes.
- Creating, mounting, and maintenance of VERITAS File Systems.
- Implementing RAID levels RAID 0, RAID 1, RAID 5, RAID1 0, RAID0 1 using VxVM.
- Creating, Resizing, Recovering, and Removing the Volumes using VERITAS Volume Manager.
- Setting the Disks as Spare for the Hot Spare Relocation Mechanism.
- Failover the services from one node to other.
- Freeze/unfreeze the cluster during activity as per user request.
- Basic troubleshooting and making services group offline/online.
Netapp Storage/Backup Administrator
Key Deliverables:
- Data Center Operations of Netapp Filers Fas3040
- Storage Allocation Aggregates/Volumes/ creation resizing and deletion.
- Migrating volumes from one aggregate to another aggregate.
- Configured the snapmirror between the filer and between the volumes on filer as schedule SnapMirror backup.
- Deduplication of flex volumes to avoid he duplicate data on volumes.
- Upgrade Data Ontap on NetApp filers FAS3040 by using standard method.
- NAS Administration, NetApp filers installation, Dataontap upgrades,snapmirror Administration
- Implementation of online backup and restore using with Snapshot technology in NetApp filers.
- Creating volumes, qtrees and exports as NFS and creating CIFS share directories for windows on Filer.
- LUN mapping/creation on Netapp devices,
- Creating LUNs of target host and initiator using iSCSI protocol and mapping to the igroups.
- Checking the File system and resizing the file systems as per client request.
- Backup and restoration of volumes using SnapMirror.
- Managing SMO tool snap manager for oracle on oracle database servers
- Managing SME tool snap manager for exchange servers on exchange servers
- Moving data between the volumes and filers using vol copy.
- Co-ordinations with vendor to Replacement of hardware parts on Netapp Filer in datacenter.
- Checking the Log files using Filer View.
- Work Flow ticketing systems, change management, Performance manager and Break fix issues follow up and support.
- Performed disaster recovery for production NetApp filers,
- NetApp daily health checks, hardware calls
- Aggregate creation, volume creation, Lun creation, Snap mirror creation
- Filer monitoring using Operations/ Protection Manager
- Onsite diagnostics and replacement of hardware components
- Regularly analyze Auto Support diagnostic data
- Attending hardware escalation in storage infrastructure
- Retain 100 uptime on all NetApp SAN hardware.
- Generating system reports indicating backup and hardware environment, storage allocation and suggestion to save space on the storage environment.
VERITAS Net Backup Administration
- Installation Veritas Net backup server and client directly and as well as SSH procedure.
- Stopping/starting the net-backup services.
- Creating backup policies for client.
- Taking backup/Restoration of data as per user request.
- Increasing retention period of tape.
- Basic troubleshooting on backup issue.
Confidential
UNIX/Linux Engineer
Key Deliverables:
- Managing and administering of remote UNIX and Linux systems.
- Providing technical support to onsite and offshore development teams and providing reliable service to meet the SLA, Working on ticketing tool Remedy .
- Rendering System Administration Hardware Support for about 1000 Sun Solaris servers.
- Offering Level 2 Level 3 system support.
- Remote management of Production, development DR servers primarily built on Solaris.
- Troubleshooting / configuring on VERITAS Cluster and VERITAS Volume Manager.
- Participating in the Change Management processes which includes patching, hardware replacement and installation of new software/ hardware.
- Participating in outage/ bridge call and working with application team and vendor till the issue is resolved.
- Conducting root cause analysis.
- Documentation of all activities and preparing run books.
- Contribution in learning's and Experience forum and Ideas and innovations section.
- Providing training and mentoring new team members.
- Red hat and UNIX latest OS installation on different architectures of the servers.
- Convert the File systems ext3 to ext4 and understand the uses of Ext4 file system in Linux with kernel version 2.6.28.functionally.
- Migrate the physical servers to virtualization.
- Configuring IP banding on Linux and IPMP on UNIX environment.
- Managing and installing the RedHat cluster.
- Configuring swap partition and swap file on Linux.
- Configured soft and hard links, NFS soft and hard mounts on Linux and UNIX servers.
- Rotate logs using logrotate without performing any operation on Linux servers.
- Solving the problems on Unix and Linux Kernels
- Increase the size of LVM partition on Linux.
- Configuring Network bonding NIC Teaming on Linux and UNIX servers.
- Upgrade Kernel in Linux and UNIX servers.
- Configuring HBA cards in Linux and UNIX Servers
- Knowledge of Puppet Server.
- Install rpm packages in RedHat CentOS Linux.
- links and symbolic links in UNIX file system
- Configured Cron and Anacron on Linux and UNIX servers.
Confidential
UNIX/Linux Engineer
Key Deliverables:
- Coordinating and supporting between Project, OPS, DC Team.
- Managing and administering remote UNIX systems Sun Solaris, RedHat Linux and UNIX .
- Tracking change controls and impact analysis. Involved in daily Change control board meetings.
- Offering Level 2 Level 3 system support and co-ordinate with the American Express help desk, Field support and the Application Development teams on deployment of patches bug fixes.
- Scheduling performing process audits and recommends process improvements. Continuously work towards optimization of process and workflow to improve turnaround and resolution time.
- Systems administration, maintenance and monitoring various day-to-day operations.
- Joining in to the TO shift turnover taking over the pending issues and follow-up incidents...
- Working on incidents using Maximo ticketing tool.
- Joining in BL Bridge-line on Major issues accordingly work with customer and fixing the issue as per SLA.
- Logging cases with Vendor support IBM, SUN, RedHat and HP for faulty hardware replacements like Replacing the failed hard disk failed Power supply Faulty Memory faulty HBA motherboard...Etc .. And Coordinating with FE and Application team to fix the issue as per the SLA.
- Scheduling the changes and coordinating with Application team.
- Multipath and I/O errors on SAN disks working accordingly with SAN Team and fixing the issues as per SLA.
- Managed and Supported High Availability Red Hat Enterprise Linux 4.x and 5.x servers hosting Oracle, Informix, and Tidal Enterprise Scheduler in a 24 x 7 operation.
- Managed and supported Solaris 8, 9, and 10 systems running high availability Oracle, Web logic 6.1, and various internal applications in a 24 x 7 operation.
- Monitoring and performing servers activities File System usage, CPU utilization, Process monitoring, System Performance and Network Status
- Processes administration and management like start/stop/kill various processes/sub process. File System administration and management like monitoring various logs, file system sizes etc. User administration and management like add/change/delete, User profiles, security authorizations etc.
- Maintaining and changing file systems disk assignments using Meta disk under Solaris Volume Manager and VxVM.
- Installation/Upgrade, System Startup System Shutdown as needed. Monitor System Performance Parameters using iostat, vmstat.
- Scheduled various regular, periodic, futures, queue tasks by using crontab, at. Resolved system errors and crashes, disk space problems, huge file sizes, file system full errors.
- Administration and trouble shooting skills on Disks File Systems, Users Groups.
- Freezing unfreezing the resource groups. Check the resource group's status with hastatus command. Online and Offline the resource groups. Configuration of the resource groups. Check the engine logs for any messages related cluster.
- Overall status follow-up for issue resolution and closing the case during his night shift and turn it over to next day shift for the further investigation if required coordinating with the Tier-4 support staff, TSC support, application/database administrator or any other partnership organizations. To provide needed support to the System Analyst.
- To update all the case status to the Ticket logs. Handover any pending incidents/cases to the next shift
- Investigate, resolve or coordinate to escalate to on call/Level 4 groups within the SLA defined in, to resolve the case with root cause analysis to improve productivity and quality.
- End of the day need to update in TO Turnover-sheet all pending issues and follow-up issues then need to join TO call and update to the next shift team.
Confidential
UNIX/Linux Engineer
Key Deliverables:
- Setup, manage and monitor server farm on Linux and UNIX platforms.
- Work with development teams to provide a consistent platform for software development.
- Handle software rollouts across QA, Stage and Production environments.
- Participate in on-call responsibilities, including off-hours server administration and handling of escalations. Resolve system and network problems in a timely and professional manner.
- Document departmental policies, practices and procedures as needed.
- Use change management tools and procedures.
- Perform steps using established procedures to ensure that software, servers and network equipment have high integrity and reliability.
- Systems security and monitoring.
- Building/deploying applications.
- Experience managing the escalation of cross-functional problems with multiple vendors
- Leadership experience of a team or of an implementation
- Basic Understanding on SAN.
- Shell scripting and Kick start installation
- High availability implementation and configuration HP Service guard, VERITAS cluster .
- Knowledge of computer network and application layer protocols
- Analytical, detail-oriented, and thorough when working on assigned tasks
- Ability to quickly identify a problem and find multiple creative solutions
- Ability to manage multiple projects, activities and tasks simultaneously and work them to completion with little supervision
- Highly developed written and verbal communication skills to work collaboratively across teams and organizations
- Ability to work under pressure with many assigned tasks and hard deadlines
- Skills in the areas of: RedHat Linux systems engineering, server deployment, configuration, and management RedHat Cluster Suite, Mulipathing, Kick start, Bonding, and XEN virtualization.
- Desirable: RedHat certifications either RHCSA or RHCE and scripting experience
- Excellent customer relations skills
Confidential
Jr System Administrator
Key Deliverables:
- Handling technical support calls and resolving the queries in the allocated time frame.
- Informing and updating clients about new products and services of the organization.
- Operating System installation and up gradation on Linux and UNIX flavors.
- Patch and Package administration.
- Monitoring System Performance, Health and tuning.
- Installation, Configuration and Administration of Web Servers Apache and Tomcat .
- Installation, Configuration and Administration of Mail Servers.
- Installation, Configuration and Administration of Database servers which includes creation of database, granting of privileges to the user, backup and restores management.
- Configuration and Administration of DNS Server on UNIX and Linux.
- Automating System Task, Managing Back-Up / Restore and Securities.
- Installation of the software's including OS UNIX and Linux on remote as well as on local systems.
- Resolving file system inconsistency and disk summary.
- Linux System Administrator responsible for the operation, maintenance, and support of the high-availability server/database/storage platforms located in remote Data Centers across multiple time zones.
- Deliver project milestones and tasks assigned by manager on schedule, communicating progress regularly.
Confidential
System Administrator
Key Deliverables:
- Linux OS Administration for Systems Support team.
- Provide operational system administration support for 400 LINUX based servers in a high availability, 24x7x365 environment.
- Perform 2nd level troubleshooting by analyzing and resolving moderately complex system problems.
- Database servers like MySQL, Performance monitoring and taking corrective actions, rebooting servers using ILOMs and monitoring them through various tools mentioned. Monitoring and Checking for network related issues from various locations and escalating them to concern team for further action.
- Kernel Security patching for RedHat Servers.
- RPM package installation upgrade released by RedHat.
- Worked on client's HPSM ticketing system for change management tasks on servers.
- Providing Application Support on RedHat Servers which included Apache configuration, application upgrade rollback, services start/stop on Linux Servers.
- Troubleshoot system and application related problems and escalate to component owners as per requirement.
- Administration of DHCP, FTP, NFS, Apache-Tomcat, Samba, Squid proxy on Linux.
- Administration of client computer using SSH and FTP.
- Installation and configuration of Thunderbird mail client.
- Configuration of D-Link router on Linux server and handle some issues related with networking.
- Handle some issues related with hardware RAM, Motherboard and Hard Disk.
- Monitoring the server's health status using with different tools.
- Creating the local users and managing the passwords with using script.
- Creating hard and soft links.
- Configuring user authentication should be done through LDAP
- Implementing sudo for all users.
- Administration of Email cleanup/migration.
- Administration of Overhaul Patch management
- Preparing's SOPs and managing central repository. Configuring quota, NFS, DNS.
- Solving server problem with resue mode recover filsystem corrupt.
- Administration of file system increasing.
- Administrations of Servers build.